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ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium

September 17–20, 1995

Boston, Massachusetts, USA

Conference Sponsors:

ISBN:

978-0-7918-9765-2

In This Volume

Acoustics of Submerged Structures and Transduction Systems (53)
Noise Control by Design (18)
Structural Vibration and Acoustics (9)
Sound Structure Interaction (9)
Computational Methods (10)
- Computational Structural Dynamics and Acoustics (10)
Rotor Dynamics (27)
Modal Analysis and Rotating Machines (25)
Gyroscopic Systems (5)
Wave Motion (7)
- Formulation and Solution (4)
- Waves in Inhomogeneous Media (3)

Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines

Acoustics of Submerged Structures and Transduction Systems

An Accelerated Retarded Potential Method for Time Dependent Acoustic Wave Scattering

Toufic S. Abboud, Joseph M. Gharib, Jean Claude Nédélec, Toni G. Sayah

IDETC-CIE 1995; 3-8doi:https://doi.org/10.1115/DETC1995-0390

Abstract

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Topics: Acoustics , Scattering (Physics) , Approximation , Finite element methods , Integral equations , Transients (Dynamics) , Wavelength , Waves

Adaptivity and Three Dimensional Hierarchical Boundary Elements for Rigid Acoustic Scattering Problems

Steven J. Newhouse, Ian C. Mathews

IDETC-CIE 1995; 9-23doi:https://doi.org/10.1115/DETC1995-0391

Abstract

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Topics: Acoustics , Boundary element methods , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Errors , Density , Interpolation , Pressure , Shapes

Coupled Finite Element/Boundary Element Method for the Analysis of the Acoustic Scattering From Elastic Structures

Bertrand Dubus, Antoine Lavie, Dominique Decultot, Gérard Maze

IDETC-CIE 1995; 25-32doi:https://doi.org/10.1115/DETC1995-0392

Abstract

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Topics: Acoustics , Boundary element methods , Electromagnetic scattering , Finite element analysis , Radiation scattering , Scattering (Physics) , Resonance , Waves , Fluids , Mode shapes

A Coupling of FEM-BEM for Elastic Structure in a Transient Acoustic Field

M. Filipe, T. Ha-Duong

IDETC-CIE 1995; 33-38doi:https://doi.org/10.1115/DETC1995-0393

Abstract

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Topics: Acoustics , Boundary element methods , Finite element methods , Transients (Dynamics) , Spacetime , Electromagnetic scattering , Fluids , Integral equations , Partial differential equations , Radiation scattering

Finite Element Methods for the Interaction of Acoustic Fluids With Elastic Solids

Isaac Harari, Gabriel Blejer

IDETC-CIE 1995; 39-48doi:https://doi.org/10.1115/DETC1995-0394

Abstract

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Topics: Acoustics , Finite element methods , Fluids , Solids , Computation , Boundary-value problems , Design , Finite element analysis , Finite element model , Galerkin method

A Multi-Field Space-Time Finite Element Method for Structural Acoustics

Lonny L. Thompson

IDETC-CIE 1995; 49-64doi:https://doi.org/10.1115/DETC1995-0395

Abstract

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Topics: Finite element methods , Spacetime , Structural acoustics , Acoustics , Electromagnetic scattering , Radiation (Physics) , Radiation scattering , Scattering (Physics) , Computational fluid dynamics , Dimensions

Matrix-Free Iterative Methods for Parallel Finite Element Computations in Acoustics

Manish Malhotra, Peter M. Pinsky

IDETC-CIE 1995; 65-73doi:https://doi.org/10.1115/DETC1995-0396

Abstract

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Topics: Acoustics , Computation , Finite element analysis , Iterative methods , Boundary-value problems , Finite element methods , Storage , Computer simulation , Electromagnetic scattering , Fluids

A Slender-Body Theory in Acoustics

Michel Tran Van Nhieu

IDETC-CIE 1995; 75-85doi:https://doi.org/10.1115/DETC1995-0397

Abstract

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Topics: Acoustics , Approximation , Computation , Sound pressure , Stress , Theoretical analysis

Efficient Structural Acoustic Analysis Using Finite and Infinite Elements

Henno Allik, Robert N. Dees, Stewart W. Moore

IDETC-CIE 1995; 87-95doi:https://doi.org/10.1115/DETC1995-0398

Abstract

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Topics: Acoustics , Computer software , Fluid structure interaction , Fluids , Geometry , Modeling , Shells

A Transient Infinite Element for Multi-Dimensional Acoustic Radiation

R. Jeremy Astley

IDETC-CIE 1995; 97-111doi:https://doi.org/10.1115/DETC1995-0399

Abstract

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Topics: Acoustics , Radiation (Physics) , Transients (Dynamics) , Waves , Dipoles (Electromagnetism) , Excitation , Fourier transforms , Interpolation , Poles (Building) , Pressure

Transient Infinite Elements for Acoustics and Shock

Jeffrey L. Cipolla

IDETC-CIE 1995; 113-128doi:https://doi.org/10.1115/DETC1995-0400

Abstract

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Topics: Acoustics , Shock (Mechanics) , Transients (Dynamics) , Approximation , Finite element analysis , Radiation (Physics) , Algebra , Boundary-value problems , Degrees of freedom , Delays

Transient and Time-Harmonic Infinite Elements for Near-Surface Computations of Three-Dimensional Structures Submerged in a Half-Space

Loukas F. Kallivokas, Jacobo Bielak

IDETC-CIE 1995; 129-140doi:https://doi.org/10.1115/DETC1995-0401

Abstract

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Topics: Computation , Transients (Dynamics) , Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Differential equations , Engineering prototypes , Finite element methods , Fluids

Direct Global Stiffness Matrix Method for 3-D Truss Dynamics

J. Robert Fricke, Mark A. Hayner

IDETC-CIE 1995; 141-152doi:https://doi.org/10.1115/DETC1995-0402

Abstract

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Topics: Dynamics (Mechanics) , Stiffness , Trusses (Building) , Acoustics , Damping , Design , Waves , Boundary-value problems , Passive damping , Space

Static Design and Dynamic Analysis of Light Weight Machinery Support Structures

Paul J. Remington, Henno Allik, Nathan Martin, II

IDETC-CIE 1995; 153-169doi:https://doi.org/10.1115/DETC1995-0403

Abstract

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Topics: Design , Dynamic analysis , Machinery , Weight (Mass) , Trusses (Building) , Finite element analysis , Acoustics , Computers , Excitation , Hull

Stochastic Behavior of Complex Submerged Systems

Mohammed M. Ettouney, Raymond P. Daddazio, Najib N. Abboud

IDETC-CIE 1995; 171-176doi:https://doi.org/10.1115/DETC1995-0404

Abstract

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Topics: Acoustics , Computer simulation , Physics , Structural dynamics , Uncertain systems , Uncertainty

Practical Applications of Scale Independent Elements

Mohammed M. Ettouney, Raymond P. Daddazio, Najib N. Abboud

IDETC-CIE 1995; 177-183doi:https://doi.org/10.1115/DETC1995-0405

Abstract

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Topics: Computers , Dynamic analysis , Dynamic response , Finite element analysis , Geometry , Modeling , Systems analysis

An Extrapolation Method to Compute Far-Field Pressures From Near-Field Pressures Obtained by Finite Element Method

Jamal Assaad, Christian Bruneel, Jean-Michel Rouvaen, Régis Bossut

IDETC-CIE 1995; 185-190doi:https://doi.org/10.1115/DETC1995-0406

Abstract

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Topics: Finite element methods , Radiation (Physics) , Fluids , Acoustics , Computation , Dampers , Damping , Lithium , Modeling , Piezoelectric transducers

External Acoustic Mode Analysis

Stephen D. O’Regan

IDETC-CIE 1995; 191-200doi:https://doi.org/10.1115/DETC1995-0407

Abstract

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Topics: Acoustics , Cylinders , Degrees of freedom , Filters , Geometry , Radiation (Physics)

Progress in Applying the Surface Variational Principle to Analyze Acoustic Radiation From Slender Elastic Bodies

Kuangcheng Wu, Jerry H. Ginsberg

IDETC-CIE 1995; 201-212doi:https://doi.org/10.1115/DETC1995-0408

Abstract

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Topics: Acoustics , Radiation (Physics) , Variational principles , Pressure , Displacement , Excitation , Fluids , Shapes , Spherical shells , Waves

Wave Component Analysis of Fluid-Loaded, Finite Cylindrical Shell Response

Karl Grosh, Peter M. Pinsky

IDETC-CIE 1995; 213-222doi:https://doi.org/10.1115/DETC1995-0409

Abstract

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Topics: Fluids , Pipes , Waves , Dispersion relations , Shells , Displacement , Pressure , Algorithms , Leakage , Parameter estimation

Equipment Representations for Shock Calculations: Time Domain Dirichlet to Neumann Maps

Paul E. Barbone

IDETC-CIE 1995; 223-228doi:https://doi.org/10.1115/DETC1995-0410

Abstract

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Topics: Density , Engineering simulation , Shock (Mechanics) , Simulation , Stiffness , Vessels

Resonant-Frequency-Distribution of Internal Mass Inferred From Mechanical Impedance Matrices, With Application to Fuzzy Structure Theory

Allan D. Pierce

IDETC-CIE 1995; 229-239doi:https://doi.org/10.1115/DETC1995-0411

Abstract

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Topics: Mechanical impedance , Resonance , Damping , Dynamics (Mechanics) , Engineering prototypes , Potential energy

A Tutorial on Soize’s Method for Stochastic Modeling in Structural Acoustics (Fuzzy Structures Analysis)

Christopher E. Ruckman, David Feit

IDETC-CIE 1995; 241-246doi:https://doi.org/10.1115/DETC1995-0412

Abstract

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Topics: Modeling , Structural acoustics , Acoustics , Computer software , Damping , Finite element analysis , Numerical analysis

Incorporating Compressional and Shear Wave Types Into Fuzzy Structure Models for Plates

Judith L. Rochat, Victor W. Sparrow

IDETC-CIE 1995; 247-252doi:https://doi.org/10.1115/DETC1995-0413

Abstract

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Topics: Plates (structures) , Shear waves , Waves , Wave theory of light , Acoustics , Damping , Shock absorbers , Springs , Vibration , Wave propagation

Frequency Window Implementation of Adaptive Multi-Level Substructuring

Jeffrey K. Bennighof, Matthew F. Kaplan

IDETC-CIE 1995; 253-265doi:https://doi.org/10.1115/DETC1995-0414

Abstract

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Topics: Errors , Finite element model , Frequency response , Vibration

Identifying Critical Elastic Scales in Structural-Acoustic Models

W. Steve Shepard, Jr., Kenneth A. Cunefare, Jerry H. Ginsberg

IDETC-CIE 1995; 267-274doi:https://doi.org/10.1115/DETC1995-0415

Abstract

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Topics: Acoustics , Excitation , Fluids , Dimensions , Displacement , Modeling , Pressure , Resolution (Optics) , Springs , Variational principles

Patching Model for Acoustoelastic Scattering

David A. Sachs

IDETC-CIE 1995; 275-289doi:https://doi.org/10.1115/DETC1995-0416

Abstract

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Topics: Electromagnetic scattering , Shells , Waves , Acoustics , Finite element analysis , Geometry , Membranes , Pipes , Shapes , Thin shells

Wideband Spatial Filters for the Active Control of the Radiation of Elastic Shells in an Acoustic Fluid

Giorgio V. Borgiotti, Kenneth E. Jones

IDETC-CIE 1995; 291-299doi:https://doi.org/10.1115/DETC1995-0417

Abstract

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Topics: Acoustics , Filters , Fluids , Radiation (Physics) , Shells , Control equipment , Actuators , Filtration , Geometry , Accelerometers

Acoustic Design of a Local Scatterer in a Phase-Space

John J. McCoy, Ben Zion Steinberg

IDETC-CIE 1995; 301-305doi:https://doi.org/10.1115/DETC1995-0418

Abstract

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Topics: Acoustics , Design , Phase space , Fluids , Density , Electromagnetic scattering , Mechanical properties , Radiation scattering , Scattering (Physics) , Stiffness

Control of Structure-Borne Sound Using Periodically Varying Rigidity

Muhammad A. Hawwa, Ali H. Nayfeh

IDETC-CIE 1995; 307-314doi:https://doi.org/10.1115/DETC1995-0419

Abstract

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Topics: Acoustics , Electromagnetic scattering , Filters , Fluids , Plates (structures) , Radiation (Physics) , Stiffness , Waves

Active Cancellation of Sound in a Submerged Pipe

Kam W. Ng

IDETC-CIE 1995; 315-330doi:https://doi.org/10.1115/DETC1995-0420

Abstract

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Topics: Pipes , Noise (Sound) , Control equipment , Noise control , Acoustics , Design , Dipoles (Electromagnetism) , Feedforward control , Flow (Dynamics) , Lakes

Signature Features in Returned Echoes From Submerged Targets Insonified by Short, Broadband Pulses: Comparison of Experiments and Theory

Torbjörn Ståhlsten, Hans C. Strifors, Guillermo C. Gaunaurd

IDETC-CIE 1995; 331-336doi:https://doi.org/10.1115/DETC1995-0421

Abstract

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Topics: Echoes , Brass (Metal) , Cycles , Resonance , Signals , Spherical shells , Steel

Windowed-Transform Processing of Acoustic Beam Scattering From Fluid-Immersed Elastic Structures

Smaine Zeroug, Leopold B. Felsen

IDETC-CIE 1995; 337-346doi:https://doi.org/10.1115/DETC1995-0422

Abstract

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Topics: Acoustics , Electromagnetic scattering , Fluids , Radiation scattering , Scattering (Physics) , Leakage , Waves , Algorithms , Reflection , Cylinders

Acoustic Behavior of Near Periodic Elastic Structures

Douglas M. Photiadis

IDETC-CIE 1995; 347-353doi:https://doi.org/10.1115/DETC1995-0423

Abstract

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Topics: Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Wave packets , Waves , Acoustical properties , Elasticity , Pipes

Bifurcation and Stability Analysis of Parabolic Ray Equations for Acoustic Wave Propagation in an Underwater Sound Channel

Marian Wiercigroch, Mohsen Badiey, Jeffrey Simmen, Alexander H.-D. Cheng

IDETC-CIE 1995; 355-360doi:https://doi.org/10.1115/DETC1995-0424

Abstract

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Topics: Acoustics , Bifurcation , Stability , Underwater acoustics , Wave propagation , Waves , Computer simulation , Excitation , Phase diagrams , Poincaré maps

Acoustics of Layered Poroelastic Obstacles in Poroelastic Hosts

Raymond Lim

IDETC-CIE 1995; 361-373doi:https://doi.org/10.1115/DETC1995-0425

Abstract

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Topics: Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Boundary-value problems , Fluids , Oceans , Sediments , Shells , Spherical shells

Scattering of a Plane Acoustic Wave by a Spherical Elastic Shell Near a Free Surface

H. Huang, G. C. Gaunaurd

IDETC-CIE 1995; 375-381doi:https://doi.org/10.1115/DETC1995-0426

Abstract

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Topics: Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Shells , Waves , Echoes , Boundary-value problems , Computation , Pressure

Scatter, Radiation and Attenuation of Acoustic Waves in Discontinuous Structures

B. C. H. Wendlandt

IDETC-CIE 1995; 383-401doi:https://doi.org/10.1115/DETC1995-0427

Abstract

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Topics: Acoustics , Electromagnetic scattering , Radiation (Physics) , Waves , Echoes , Elastomers , Machinery , Reflection , Resonance , Submerged structures

Main Principles of Vibrodamped Structure Scale Models for the Whole Sound Frequency Range

Alexei V. Ionov

IDETC-CIE 1995; 403-408doi:https://doi.org/10.1115/DETC1995-0428

Abstract

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Topics: Construction , Electromagnetic spectrum , Modeling , Stiffness , Stress , Vibration

Relation of the Sound Insulating and Reflecting Properties With Noise Dampening Effect of the Construction With Coatings

Michail N. Kouzmitchev

IDETC-CIE 1995; 409-411doi:https://doi.org/10.1115/DETC1995-0429

Abstract

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Topics: Coatings , Construction , Noise (Sound) , Damping , Water

On the Influence of Coating Discontinuity on Sound Radiation of Submerged Structures

Alexandr V. Pyshin

IDETC-CIE 1995; 413-417doi:https://doi.org/10.1115/DETC1995-0430

Abstract

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Topics: Coatings , Sound , Submerged structures , Architectural acoustics , Noise control , Rubber , Vibration

The Influence of Discontinuities on Structure Sound Radiation

Andrey V. Lebedev

IDETC-CIE 1995; 419-430doi:https://doi.org/10.1115/DETC1995-0431

Abstract

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Topics: Sound , Shells , Vibration , Approximation , Pipes , Radiation sources , Stiffness

The Modified Boundary Element Method for Vibration and Sound Radiation Prediction of Fluid-Loaded Structures

Michael V. Bernblit

IDETC-CIE 1995; 431-436doi:https://doi.org/10.1115/DETC1995-0432

Abstract

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Topics: Boundary element methods , Fluids , Sound , Vibration , Pressure , Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Sound pressure

Numerical Investigation of the Problem of a Plane Acoustic Wave Scattering by a Triaxial Ellipsoid

Aleksander A. Abramov, Nadezhda B. Konyukhova, Tatyana V. Levitina

IDETC-CIE 1995; 437-447doi:https://doi.org/10.1115/DETC1995-0433

Abstract

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Topics: Acoustics , Scattering (Physics) , Separation (Technology) , Diffraction , Scalars , Wave functions , Waves

Free Acoustic Oscillations Inside a Triaxial Ellipsoid

Tatyana V. Levitina

IDETC-CIE 1995; 449-454doi:https://doi.org/10.1115/DETC1995-0434

Abstract

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Topics: Acoustics , Algorithms , Boundary-value problems , Differential equations , Hazardous substances , Oscillations , Scalars , Separation (Technology) , Wave equations

Studies of Acoustic Characteristics and Their Comparison With Vibration Ones

Alexander E. Ekimov

IDETC-CIE 1995; 455-466doi:https://doi.org/10.1115/DETC1995-0435

Abstract

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Topics: Acoustics , Vibration , Design , Manufacturing , Modeling , Radiation (Physics)

Materials Issues in Underwater Transducer Systems

L. Eric Cross

IDETC-CIE 1995; 467-479doi:https://doi.org/10.1115/DETC1995-0436

Abstract

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Topics: Ceramics , Electrical properties , Hydrostatic pressure , Hydrostatics , Phase diagrams , Piezoelectric ceramics , Sensors , Tension , Tensors , Transducers

Recent Developments in Numerical Modeling of Transduction Materials

Anne-Christine Hladky-Hennion, Régis Bossut, Jean-Claude Debus

IDETC-CIE 1995; 481-488doi:https://doi.org/10.1115/DETC1995-0437

Abstract

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Topics: Computer simulation , Design , Transducers , Acoustics , Ceramics , Composite materials , Finite element analysis , Finite element methods , Modeling

Piezoelectric Composite Panels for Underwater Acoustic Control

Richard L. Gentilman, Leslie J. Bowen, Robert D. Corsaro, Brian H. Houston

IDETC-CIE 1995; 489-497doi:https://doi.org/10.1115/DETC1995-0438

Abstract

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Topics: Acoustics , Composite materials , Actuators , Sensors , Ceramics , Injection molding , Manufacturing , Piezoelectric transducers , Preforms , Pressure

Simultaneous Harmonic and Transient Suppression for Nonlinear Transducers

Jean C. Piquette, S. E. Forsythe

IDETC-CIE 1995; 499-510doi:https://doi.org/10.1115/DETC1995-0439

Abstract

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Topics: Transducers , Transients (Dynamics) , Signals , Ceramics , Displacement , Electric fields , Differential equations , Electrical properties , Fittings , Goodness-of-fit tests

Resonance Low Frequency Sound Source With Extended Frequency Band

Dimitri M. Donskoy, Jan Nazalewicz

IDETC-CIE 1995; 511-516doi:https://doi.org/10.1115/DETC1995-0440

Abstract

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Topics: Electromagnetic spectrum , Resonance , Weight (Mass) , Feedback , Mechanical structures , Pistons , Radiation (Physics) , Servomechanisms , Servomotors , Signals

Barrel-Stave Flextensional Transducers for Sonar Applications

D. F. Jones, D. J. Lewis, C. G. Reithmeier, G. A. Brownell

IDETC-CIE 1995; 517-524doi:https://doi.org/10.1115/DETC1995-0441

Abstract

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Topics: Transducers , Manufacturing , Atlantic Ocean , Construction , Defense industry , Design , Q-factor , Resonance , Water , Weight (Mass)

A Magnetostrictive Sonar Projector Utilizing a Terfenol Driver

R. A. Dunlap, C. J. Purcell

IDETC-CIE 1995; 525-530doi:https://doi.org/10.1115/DETC1995-0442

Abstract

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Topics: Atlantic Ocean , Cylinders , Defense industry , Design , Disks , Eddies (Fluid dynamics) , Eddy current losses , Ferrites (Magnetic materials) , Magnetic flux , Permanent magnets

Noise Control by Design

Selling, Designing, and Producing Products That Sound Good

Richard H. Lyon

IDETC-CIE 1995; 533-537doi:https://doi.org/10.1115/DETC1995-0443

Abstract

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Topics: Design , Engineering design , Sound quality , Product planning

Product Sound Audit and Quieting Methods

Richard G. Cann

IDETC-CIE 1995; 539-541doi:https://doi.org/10.1115/DETC1995-0444

Abstract

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Topics: Acoustics , Brakes , Engineers , Hardware , Motors , Noise (Sound) , Sound quality , Vibration

Investigation of an OHC Valve Train With Respect to Sound Quality

In-Soo Suh, Sophie Debost

IDETC-CIE 1995; 543-551doi:https://doi.org/10.1115/DETC1995-0445

Abstract

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Topics: Sound quality , Trains , Valves , Vibration , Engines , Noise (Sound) , Camshafts , Design , Emission spectroscopy , Resonance

Alternative Concepts for Vibration Test Fixtures Used in Quiet Product Manufacture

David L. Bowen

IDETC-CIE 1995; 553-564doi:https://doi.org/10.1115/DETC1995-0446

Abstract

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Topics: Vibration tests , Engines , Motors , Resonance , Vibration , Acoustics , Assembly lines , Construction , Density , Diffusers

Structural-Acoustic Design at High Frequency Using the Energy Finite Element Method

Robert J. Bernhard, John E. Huff, Jr.

IDETC-CIE 1995; 565-576doi:https://doi.org/10.1115/DETC1995-0447

Abstract

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Topics: Acoustics , Design , Finite element methods , Engineering design processes , Flow (Dynamics) , Finite element analysis , Materials properties

Acoustic Shape Optimization Using Parametric Finite Elements

John E. Huff, Jr., Robert J. Bernhard

IDETC-CIE 1995; 577-584doi:https://doi.org/10.1115/DETC1995-0448

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Topics: Acoustics , Finite element analysis , Shape optimization , Optimization , Design , Automobiles , Ducts , Electromagnetic spectrum , Sound pressure

Optimal Design of Acoustical Foam Treatments

Yeon June Kang, J. Stuart Bolton

IDETC-CIE 1995; 585-592doi:https://doi.org/10.1115/DETC1995-0449

Abstract

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Topics: Acoustics , Design , Wedges , Finite element analysis , Porous materials , Absorption , Finite element model , Foams (Chemistry) , Waveguides , Waves

Acoustic Finite Element Analysis of Coupled Cavities Having Bulk-Reacting Absorbing Materials

A. Qian, R. S. Ballinger

IDETC-CIE 1995; 593-597doi:https://doi.org/10.1115/DETC1995-0450

Abstract

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Topics: Acoustics , Cavities , Finite element analysis , Density , Ducts , Particulate matter , Sound pressure

Structural Acoustic Design

Jean Nicolas, Noureddine Atalla, Olivier Foin, Alain Berry

IDETC-CIE 1995; 599-609doi:https://doi.org/10.1115/DETC1995-0451

Abstract

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Topics: Acoustics , Design , Damping , Noise (Sound) , Noise control , Radiation (Physics) , Shapes , Bridges (Structures) , Deflection , Engineers

Analytical, Numerical and Experimental Study of the Vibro-Acoustic Behaviour of a Stiffened Shell Structure

François Charron, Raymond Panneton, Yvan Champoux, J.-M. Guérin, Sylvain Boily

IDETC-CIE 1995; 611-619doi:https://doi.org/10.1115/DETC1995-0452

Abstract

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Topics: Acoustics , Shells , Aircraft , Analytical methods , Finite element methods , Fluids , Rayleigh-Ritz methods , Sound pressure

Reducing the Noise of Pressure Pulp Screen: Theory and Application

Alain Berry, Rémy Oddo, Raymond Panneton, Jean Nicolas

IDETC-CIE 1995; 621-629doi:https://doi.org/10.1115/DETC1995-0453

Abstract

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Topics: Noise (Sound) , Pressure , Pulp , Shells , Vibration , Machinery , Pavement live loads , Pipes , Rotors , Blades

The Vibroacoustic Behavior of a Rotating Annular Complex Plate With Application to the Design of Circular Saws

Noureddine Atalla, André Côté, Benoît Cournoyer, Jean Nicolas

IDETC-CIE 1995; 631-639doi:https://doi.org/10.1115/DETC1995-0454

Abstract

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Topics: Circular saws , Design , Damping , Rotation , Noise (Sound) , Noise control , Optimization , Vibration

Condensing Structural Finite Element Meshes Into Coarser Acoustic Element Meshes

John B. Fahnline

IDETC-CIE 1995; 641-646doi:https://doi.org/10.1115/DETC1995-0455

Abstract

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Topics: Acoustics , Finite element analysis , Boundary element methods , Boundary-value problems , Computation , Condensation , Fluids , Structural elements (Construction) , Vibration

Quieting Plate Modes With Optimally Sized Point Masses: A Volume Velocity Approach

Hans-Walter Wodtke, Gary H. Koopmann

IDETC-CIE 1995; 647-654doi:https://doi.org/10.1115/DETC1995-0456

Abstract

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Topics: Acoustic intensity , Acoustics , Radiation (Physics) , Resonance , Vibration

The Use of Radiation Resistance Measurements to Assess the Noise Characteristics of Machines

Everett H. Paddock, Gary H. Koopmann

IDETC-CIE 1995; 655-662doi:https://doi.org/10.1115/DETC1995-0457

Abstract

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Topics: Machinery , Noise (Sound) , Radiation (Physics) , Valves , Acoustics , Engineering prototypes , Engines , Probes , Computation , Design

Acoustic Control of Disk Drives

Raymond Chin, Donald Wong, Akihiko Kumano

IDETC-CIE 1995; 663-670doi:https://doi.org/10.1115/DETC1995-0458

Abstract

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Topics: Acoustics , Disks , Engines , Excitation , Motors , Noise (Sound) , Acoustic intensity , Dampers , Engine design , Hammers

Structural Modification Software Development for Design Optimization

Xiaoye Gu, Alison B. Flatau

IDETC-CIE 1995; 671-682doi:https://doi.org/10.1115/DETC1995-0459

Abstract

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Topics: Acoustics , Damping , Design , Displacement , Frequency response , Modal analysis , Optimization , Software development , Springs , Stiffness

Reducing Noise Emissions of Impact Dot Matrix Printers

Carsten Rückert

IDETC-CIE 1995; 683-686doi:https://doi.org/10.1115/DETC1995-0460

Abstract

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Topics: Emissions , Noise (Sound) , Design

Structural Vibration and Acoustics

Experimental Study for Extraction of Normal Modes

S. Y. Chen, M. S. Ju, Y. G. Tsuei

IDETC-CIE 1995; 687-697doi:https://doi.org/10.1115/DETC1995-0461

Abstract

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Topics: Algorithms , Damping , Frequency response , Mode shapes

Reduction of the Junction Degrees of Freedom Before Assembly in Dynamic Substructuring

Khaled Brahmi, Noureddine Bouhaddi, René Fillod

IDETC-CIE 1995; 699-708doi:https://doi.org/10.1115/DETC1995-0462

Abstract

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Topics: Degrees of freedom , Junctions , Manufacturing , Condensation

The Method of Structure Dynamic Modification With Tested Modal Parameters: FEM Full Mode

Shiyu Chen, M. F. Dimentberg, M. Noori, Zhikun Hou, Fengquan Wang

IDETC-CIE 1995; 709-714doi:https://doi.org/10.1115/DETC1995-0463

Abstract

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Topics: Finite element methods , Finite element model , Computation , Displacement

Optimum Design of Vibration Absorbers Using Genetic Algorithm

Ting-Yu Chen, Jun-Jei Lan

IDETC-CIE 1995; 715-726doi:https://doi.org/10.1115/DETC1995-0464

Abstract

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Topics: Design , Genetic algorithms , Vibration absorbers , Frequency response , Damping , Elastic constants

Dynamic Behavior of the Band/Wheel Mechanical System of Industrial Band Saws

Y. Y. Chung, C. K. Sung

IDETC-CIE 1995; 727-733doi:https://doi.org/10.1115/DETC1995-0465

Abstract

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Topics: Band saws , Wheels , Cutting , Deformation , Dynamic response , Equations of motion , Metal cutting , Roller bearings , Tension , Variational principles

Broadband Dynamic Modification Using Feedforward Control

Thomas E. Alberts, Hemanshu R. Pota

IDETC-CIE 1995; 735-744doi:https://doi.org/10.1115/DETC1995-0466

Abstract

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Topics: Feedforward control , Excitation , Design , Eigenvalues , Flexible structures , Poles (Building) , Steady state

Physical Properties of Transfer Function Zeros for Collocated Control in Flexible Structure System

Chingyei Chung, Chin-yuh Lin

IDETC-CIE 1995; 745-754doi:https://doi.org/10.1115/DETC1995-0467

Abstract

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Topics: Flexible structures , Transfer functions , Theorems (Mathematics) , Damping , Poles (Building) , Actuators , Cardiovascular system , Displacement , Sensors , Stiffness

Vibration Control of Rotor Systems With Noncollocated Sensor/Actuator by Experimental Design

S. M. Yang, G. J. Sheu, C. D. Yang

IDETC-CIE 1995; 755-764doi:https://doi.org/10.1115/DETC1995-0468

Abstract

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Topics: Actuators , Experimental design , Rotors , Sensors , Vibration control , Control equipment , Closed loop systems , Design , Active damping , Design methodology

Isoparametric Timoshenko Elements for Dynamic Analysis of Structures and Mechanical Systems

Ahmad Smaili, Ismail Bagci, Muhammad Sannah

IDETC-CIE 1995; 765-773doi:https://doi.org/10.1115/DETC1995-0469

Abstract

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Topics: Boundary-value problems , Cantilevers , Dynamic analysis , Modeling , Shear (Mechanics) , Stiffness , Wall thickness

Sound Structure Interaction

Acoustic Scattering by Rigid or Elastic Structures: Case of a Shell With a “Line” Shape

A. Trad, P. Ravel

IDETC-CIE 1995; 775-784doi:https://doi.org/10.1115/DETC1995-0470

Abstract

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Topics: Acoustics , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Shapes , Shells , Cylinders , Displacement , Finite element methods , Integral equations

Substructuring: Definition of the Analytical Dynamic Model of a Complex System During its Design Stage

Fabrice Llorca, Alain Gerard, Denis Hennequin, Dominique Brenot

IDETC-CIE 1995; 785-790doi:https://doi.org/10.1115/DETC1995-0471

Abstract

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Topics: Complex systems , Design , Dynamic models , Manufacturing , Damping , Databases , Degrees of freedom , Interpolation , Plates (structures) , Simulation

Vibroacoustical Analysis of Flow in Pipes

J. Charley, F. Carta, G. Caignaert

IDETC-CIE 1995; 791-798doi:https://doi.org/10.1115/DETC1995-0472

Abstract

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Topics: Flow (Dynamics) , Pipes , Acoustic intensity , Ducts , Fluctuations (Physics) , Fluid structure interaction , Pressure , Transducers

Friction Induced Instabilities and Sound Generation

M. Raous, S. Barbarin, D. Vola, J. A. C. Martins

IDETC-CIE 1995; 799-802doi:https://doi.org/10.1115/DETC1995-0473

Abstract

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Topics: Friction , Noise (Sound) , Flutter (Aerodynamics) , Rubber , Stress , Waves

Updating the Damping Matrix Using Frequency Response Data

Cécile Reix, Alain Gerard, Christian Tombini

IDETC-CIE 1995; 803-808doi:https://doi.org/10.1115/DETC1995-0474

Abstract

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Topics: Damping , Frequency response , Mode shapes , Linear dynamic system , Stiffness

Modal Analysis Method for Determination of Elastic Constants

V. Marchand, J. Pouyet

IDETC-CIE 1995; 809-814doi:https://doi.org/10.1115/DETC1995-0475

Abstract

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Topics: Elastic constants , Modal analysis , Free vibrations , Heating , Microphones , Temperature , Vibration

Application of Method of Moments to Acoustic Scattering From Fluid Filled Cylinders Using Three Different Formulations

S. P. Sun, P. K. Raju, S. M. Rao

IDETC-CIE 1995; 815-822doi:https://doi.org/10.1115/DETC1995-0476

Abstract

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Topics: Acoustics , Cylinders , Electromagnetic scattering , Fluids , Method of moments , Radiation scattering , Scattering (Physics) , Integral equations , Boundary-value problems , Pressure

Beam Networks Analysis by a Power Flow Method

Mohammed Najib Ichchou, Alain Le Bot, Louis Jezequel

IDETC-CIE 1995; 823-828doi:https://doi.org/10.1115/DETC1995-0477

Abstract

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Topics: Flow (Dynamics) , Acoustics , Junctions , Reflection

Analysis of Pulsations and Vibrations in Fluid-Filled Pipe Systems

Christ A. F. de Jong

IDETC-CIE 1995; 829-834doi:https://doi.org/10.1115/DETC1995-0478

Abstract

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Topics: Fluids , Pipes , Vibration , Pressure , Waves , Acoustics , Computational methods , Damage , Flow (Dynamics) , Junctions

Computational Methods

Computational Structural Dynamics and Acoustics

Space-Time hp-Version Finite Elements Applied to Wave Propagation With Moving Loads

Bo Zhao, David A. Peters

IDETC-CIE 1995; 837-848doi:https://doi.org/10.1115/DETC1995-0479

Abstract

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Topics: Finite element analysis , Pavement live loads , Spacetime , Wave propagation , Dynamics (Mechanics) , Finite element methods , Geometry , Momentum , Numerical analysis , Structural dynamics

A Review of the Developments in the Boundary Element Method for Time-Domain Elastodynamics

Igor Kaljević, Sunil Saigal

IDETC-CIE 1995; 849-860doi:https://doi.org/10.1115/DETC1995-0480

Abstract

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Topics: Boundary element methods , Elastodynamics , Transients (Dynamics) , Boundary-value problems

Calculation of Component Mode Synthesis Matrices From Measured Frequency Response Functions

Jeffrey A. Morgan, Christophe Pierre, Gregory M. Hulbert

IDETC-CIE 1995; 861-876doi:https://doi.org/10.1115/DETC1995-0481

Abstract

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Topics: Frequency response , Dynamic models , Vibration , Vibration tests

Possible Scenarios of Nonlinear Vibrations at High Energies

Victor L. Berdichevsky

IDETC-CIE 1995; 877-879doi:https://doi.org/10.1115/DETC1995-0482

Abstract

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Topics: Computer simulation , Dynamics (Mechanics) , String , Vibration

Multiresolution Reproducing Kernel Particle Methods in Acoustic Problems

W. K. Liu, C. T. Chang, Y. Chen, R. A. Uras

IDETC-CIE 1995; 881-890doi:https://doi.org/10.1115/DETC1995-0483

Abstract

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Topics: Acoustics , Particulate matter , Complex systems , Computer simulation , Filtration , Finite element methods , Interpolation , Physics , Signal processing , Splines

Application of Harmonic Shape Function in Finite Element Modal Analysis

R. Surampudi, A. Gupta

IDETC-CIE 1995; 901-907doi:https://doi.org/10.1115/DETC1995-0484

Abstract

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Topics: Finite element analysis , Modal analysis , Shapes , Polynomials , Interpolation , Vibration , Displacement , Stress

Development of an Engine System Model for Predicting Structural Vibration

S. H. Sung, D. J. Nefske

IDETC-CIE 1995; 909-919doi:https://doi.org/10.1115/DETC1995-0485

Abstract

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Topics: Engines , Vibration , Excitation , Finite element analysis

A Practical Algorithm for the Efficient Computation of Eigenvector Derivatives

R. M. Lin, Z. Wang, M. K. Lim

IDETC-CIE 1995; 921-929doi:https://doi.org/10.1115/DETC1995-0486

Abstract

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Topics: Algorithms , Computation , Eigenvalues , Structural design , Dynamic systems , Finite element analysis , Finite element model , Numerical analysis , Optimization

Nonlinear Transient Response and its Sensitivity Using Finite Elements in Time

Rakesh K. Kapania, Sungho Park

IDETC-CIE 1995; 931-942doi:https://doi.org/10.1115/DETC1995-0487

Abstract

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Topics: Finite element analysis , Transients (Dynamics) , Polynomials , Algebra , Design , Finite element methods , Linear systems

Second-Order Systems With Singular Mass Matrix and an Extension of Guyan Reduction

Sanjay P. Bhat, Dennis S. Bernstein

IDETC-CIE 1995; 943-948doi:https://doi.org/10.1115/DETC1995-0488

Abstract

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Topics: Algebra , Damping , Differential equations

Rotor Dynamics

Modeling

Concise Equations for Rotor Dynamics Analysis

W. J. Chen

IDETC-CIE 1995; 951-956doi:https://doi.org/10.1115/DETC1995-0489

Abstract

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Topics: Rotordynamics , Algorithms , Equations of motion , Manufacturing , Storage

Modeling of Rotor Shafting for Lower Mode Accuracy: Influence of Section L/D

R. G. Kirk, S. Baheti, K. Ramesh

IDETC-CIE 1995; 957-965doi:https://doi.org/10.1115/DETC1995-0490

Abstract

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Topics: Modeling , Rotors , Finite element methods , Inertia (Mechanics) , Bearings , Compressors , Finite element analysis , Geometry , Stability , Stiffness

Dynamic Analysis of Geared Rotor-Bearing Systems by the Transfer Matrix Method

Siu-Tong Choi, Sheng-Yang Mau

IDETC-CIE 1995; 967-976doi:https://doi.org/10.1115/DETC1995-0491

Abstract

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Topics: Bearings , Dynamic analysis , Rotors , Gears , Errors , Dampers , Disks , Excitation , Excitation systems , Free vibrations

Coupled Bending-Torsion Vibration of Geared Rotors

J. S. Rao, J. R. Chang, T. N. Shiau

IDETC-CIE 1995; 977-989doi:https://doi.org/10.1115/DETC1995-0492

Abstract

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Topics: Rotors , Torsion , Vibration , Gears , Bearings , Pressure , Finite element model , Mode shapes , Stiffness

Unbalance Response

Critical Speeds Resulting From Unbalance Excitation of Backward Whirl Modes

Lyn M. Greenhill, Guillermo A. Cornejo

IDETC-CIE 1995; 991-1000doi:https://doi.org/10.1115/DETC1995-0493

Abstract

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Topics: Excitation , Whirls , Bearings , Resonance , Rotors , Design , Hardware , Stiffness

Cracked Shaft Detection Using the Unbalance Excitation Technique

Farokh H. Kavarana, R. Gordon Kirk

IDETC-CIE 1995; 1001-1007doi:https://doi.org/10.1115/DETC1995-0494

Abstract

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Topics: Excitation , Rotors , Crack detection , Failure , Fracture (Materials) , Turbomachinery , Vibration , Crack propagation , Testing

Optimal Unbalance Response of Continuous Rotors

Zdzislaw A. Parszewski, Dong-Xu Li

IDETC-CIE 1995; 1009-1016doi:https://doi.org/10.1115/DETC1995-0495

Abstract

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Topics: Rotors , Bearings , Couplings , Power stations , Shear (Mechanics) , System dynamics , Turbogenerators

A Comparative Study on the Monitoring and Diagnostics of Machinery Gear Systems

Moataz El-Karmalawy, R. Ganesan, T. S. Sankar

IDETC-CIE 1995; 1017-1025doi:https://doi.org/10.1115/DETC1995-0496

Abstract

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Topics: Gears , Machinery , Signals , Vibration , Dynamic systems , Condition monitoring , Damage , Excitation , System failures , Time series

Applications

Studies of the Rotor Dynamics of Gas Centrifuges for Fine Particulate Separation

Musa Al-Ajlouni, Nick Syred

IDETC-CIE 1995; 1027-1038doi:https://doi.org/10.1115/DETC1995-0497

Abstract

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Topics: Particulate matter , Rotordynamics , Separation (Technology) , Bearings , Design , Thrust bearings , Computer-aided engineering , Vibrational modes

Finite Element Analysis of an Automotive Turbocharger Turbine Wheel

D. A. Subramani, V. Ramamurti, K. Sridhara

IDETC-CIE 1995; 1039-1048doi:https://doi.org/10.1115/DETC1995-0498

Abstract

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Topics: Finite element analysis , Turbines , Turbochargers , Wheels , Blades

Effects of Coupling Misalignment on the Vibration Characteristics of a Two Stage Turbine Rotor

P. Arumugam, S. Swarnamani, B. S. Prabhu

IDETC-CIE 1995; 1049-1054doi:https://doi.org/10.1115/DETC1995-0499

Abstract

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Topics: Rotors , Turbines , Vibration , Bearings , Couplings , Excitation , Machinery

Prediction of Periodic Response of Rotor Dynamic Systems With Nonlinear Supports

Yu Wang

IDETC-CIE 1995; 1055-1062doi:https://doi.org/10.1115/DETC1995-0500

Abstract

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Topics: Dynamic systems , Rotors , Algebra , Bearings , Dampers , Finite element analysis , Nonlinear differential equations , Stability , Steady state

Bearings

Magnetic Bearing Models With Flexible Supports in Rotor Stability Analyses

Theodore S. Brockett, Lloyd E. Barrett

IDETC-CIE 1995; 1063-1072doi:https://doi.org/10.1115/DETC1995-0501

Abstract

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Topics: Magnetic bearings , Rotors , Stability , Actuators , Bearings , Stiffness , Transfer functions , Damping , Eigenvalues , Currents

Modal Testing and Parameter Identification of Active Magnetic Bearing System

Chong-Won Lee, Young-Ho Ha, Cheol-Soon Kim, Chee-Young Joh

IDETC-CIE 1995; 1073-1080doi:https://doi.org/10.1115/DETC1995-0502

Abstract

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Topics: Magnetic bearings , Testing , Bearings , Excitation systems , Frequency response

Characteristics of the Nonlinear Hysteresis Loop for Rotor-Bearing Instability

Jenq-Shan Guo, M. L. Adams

IDETC-CIE 1995; 1081-1091doi:https://doi.org/10.1115/DETC1995-0503

Abstract

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Topics: Bearings , Rotors , Bifurcation , Engineering simulation , Journal bearings , Simulation , Stress , Chaos , Equations of motion , Fluid films

Adaptive Synchronization Control Design for High-Speed Magnetic Bearings

Li-Farn Yang, Jeen-Gwo Tsao

IDETC-CIE 1995; 1093-1102doi:https://doi.org/10.1115/DETC1995-0504

Abstract

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Topics: Design , Magnetic bearings , Synchronization , Bearings , Control equipment , Errors , Rotors , Control algorithms , Displacement , Engineering simulation

Dynamic Modelling and Response Characteristics of a Magnetic Bearing Rotor System With Auxiliary Bearings

April M. Free, George T. Flowers, Victor S. Trent

IDETC-CIE 1995; 1103-1110doi:https://doi.org/10.1115/DETC1995-0505

Abstract

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Topics: Bearings , Dynamic modeling , Magnetic bearings , Rotors , Bushings , Clearances (Engineering) , Dynamics (Mechanics) , Failure , Iron , Rolling bearings

Rotor Bearing System Design on Magnetic Bearings

Pranabesh De Choudhury

IDETC-CIE 1995; 1111-1117doi:https://doi.org/10.1115/DETC1995-0506

Abstract

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Topics: Bearings , Design , Magnetic bearings , Rotors , Ball bearings , Compressors , Dynamics (Mechanics) , Fluid films , Journal bearings

Theory Versus Experiment for the Effects of Pressure Ratio on the Performance of an Orifice-Compensated Hybrid Bearing

Phillip Mosher, Dara W. Childs

IDETC-CIE 1995; 1119-1129doi:https://doi.org/10.1115/DETC1995-0507

Abstract

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Topics: Bearings , Pressure , Stress , Flow (Dynamics) , High pressure (Physics) , Hydrostatics , Navier-Stokes equations , Stiffness , Torque , Whirls

Asymptotic Analysis of the Torsional Vibrations in Reciprocating Machinery

Hashem Ashrafiuon, Alan M. Whitman

IDETC-CIE 1995; 1131-1138doi:https://doi.org/10.1115/DETC1995-0508

Abstract

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Topics: Machinery , Vibration , Approximation , Computer simulation , Degrees of freedom , Steady state , Transients (Dynamics)

Seals, Damper Bearings

The Effects of Converging and Diverging Axial Taper on the Rotordynamic Coefficients of Liquid Annular Pressure Seals: Theory Versus Experiment

W. Todd Lindsey, Dara W. Childs

IDETC-CIE 1995; 1139-1147doi:https://doi.org/10.1115/DETC1995-0509

Abstract

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Topics: Pressure , Stiffness , Damping , Leakage , Clearances (Engineering) , Rotation , Turbulence

Entrance Effects in Annular Seal Flows

Mihai Arghir, Jean Frene

IDETC-CIE 1995; 1149-1156doi:https://doi.org/10.1115/DETC1995-0510

Abstract

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Topics: Flow (Dynamics) , Fluid films , Navier-Stokes equations , Stiffness , Testing , Turbulence

Influence of Geometric Parameters on Annular Fluid Seal Characteristics

Olivier Bonneau, Victor Lucas, Jean Frene

IDETC-CIE 1995; 1157-1163doi:https://doi.org/10.1115/DETC1995-0511

Abstract

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Topics: Fluids , Ducts , Geometry , Axial flow , Film thickness , Flow (Dynamics) , Pressure , Reynolds number , Stability , Stiffness

Dynamical Behaviors of Hybrid Squeeze Film Damper for Rotor System Vibration Control

Zhu Changsheng

IDETC-CIE 1995; 1165-1171doi:https://doi.org/10.1115/DETC1995-0512

Abstract

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Topics: Dampers , Rotors , Vibration control , Clearances (Engineering) , Damping , Orifices , Stiffness , Vibration

Turbine Blades

Fracture Mechanics Analysis of a Last Stage Steam Turbine Blade Failure

J. S. Rao

IDETC-CIE 1995; 1173-1180doi:https://doi.org/10.1115/DETC1995-0513

Abstract

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Topics: Blades , Failure , Fracture mechanics , Steam turbines , Fracture (Materials) , Accidents , Fatigue , Nuclear power stations , Stress

Studies on Determination of Natural Frequencies of Industrial Turbine Blades

Mahesh M. Bhat, V. Ramamurti, C. Sujatha

IDETC-CIE 1995; 1181-1192doi:https://doi.org/10.1115/DETC1995-0514

Abstract

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Topics: Blades , Disks , Manufacturing , Steam turbines , Turbine blades , Turbines , Wire

Pseudo Static Excitation of Turbine Blades Under Acceleration

Nalinaksh S. Vyas

IDETC-CIE 1995; 1193-1200doi:https://doi.org/10.1115/DETC1995-0515

Abstract

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Topics: Excitation , Turbine blades , Blades , Disks , Vibration , Airfoils , Coriolis force , Equations of motion , Shock (Mechanics) , Stiffness

Modal Analysis and Rotating Machines

Modal Analysis and Bladed Assemblies

Experimental Modal Analysis of Rotating Disk Systems

Horst Irretier, Frank Reuter

IDETC-CIE 1995; 1201-1206doi:https://doi.org/10.1115/DETC1995-0516

Abstract

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Topics: Modal analysis , Rotating disks , Rotation , Damping , Disks , Frequency response , Impellers , Mode shapes , Testing

Modal Testing of Rotating Discs Using a Scanning LDV

Anthony B. Stanbridge, David J. Ewins

IDETC-CIE 1995; 1207-1213doi:https://doi.org/10.1115/DETC1995-0517

Abstract

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Topics: Rotating disks , Testing , Disks , Excitation , Impellers , Laser Doppler vibrometers , Mode shapes , Traveling waves

A Numerical Method for the Dynamic Analysis of Rotating Flexible Blade-Disc-Shaft Assemblies

Georges Jacquet-Richardet, Guy Ferraris, Pierre Rieutord

IDETC-CIE 1995; 1215-1220doi:https://doi.org/10.1115/DETC1995-0518

Abstract

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Topics: Blades , Disks , Dynamic analysis , Numerical analysis , Mode shapes , Finite element analysis , Wave propagation

Vibration Analysis of Bladed Disc Assemblies

C. Minas, S. Kodiyalam

IDETC-CIE 1995; 1221-1226doi:https://doi.org/10.1115/DETC1995-0519

Abstract

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Topics: Disks , Vibration analysis , Boundary-value problems , Blades , Finite element model , Manufacturing , Finite element analysis , Mode shapes

Modal Testing Applications

Development of an Electromagnetic Impactor for Structures With Large Rigid Body Motions

J. Wassermann, H. Mokesch, H. Springer

IDETC-CIE 1995; 1227-1232doi:https://doi.org/10.1115/DETC1995-0520

Abstract

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Topics: Circuits , Computers , Disks , Excitation , Frequency response , Hammers , Rotating disks , Rotation

Identification of Frequency Response Functions and Modal Data From Base Excitation Tests Using Measured Interface Forces

Carsten Schedlinski, Michael Link

IDETC-CIE 1995; 1233-1238doi:https://doi.org/10.1115/DETC1995-0521

Abstract

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Topics: Excitation , Frequency response , Damping , Mode shapes , Testing

A New Methodology for the Accurate and Consistent Identification of Modal Parameters Using Multi-FRF Analysis

R. M. Lin, S.-F. Ling

IDETC-CIE 1995; 1239-1247doi:https://doi.org/10.1115/DETC1995-0522

Abstract

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Topics: Curve fitting , Damping , Eigenvalues , Frequency response , Modal analysis

Direct Parameter Estimation of Weak Nonlinear Systems Using Vibration Test Data

Matthias Weiland, Michael Link

IDETC-CIE 1995; 1249-1255doi:https://doi.org/10.1115/DETC1995-0523

Abstract

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Topics: Nonlinear systems , Parameter estimation , Vibration tests , Damping , Stiffness , Automobiles , Engines , Manufacturing , Mechanical drives , Motors

Rotor Vibration

Modal Balancing of Quasi-Rigid Jet Engine Rotors With Exchangeable Rotor Modules

Hatto Schneider

IDETC-CIE 1995; 1257-1262doi:https://doi.org/10.1115/DETC1995-0524

Abstract

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Topics: Jet engines , Rotors , Rotor assembly , Rotor balancing , Vibration

Flexural Vibration of Turbine Generator Rotors: Application of Modal Analysis to Predictions of the Effects of Light Rubs

Terence S. Wilkinson

IDETC-CIE 1995; 1263-1269doi:https://doi.org/10.1115/DETC1995-0525

Abstract

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Topics: Modal analysis , Rotors , Turbogenerators , Vibration , Stators , Bearings , Turbines , Design , Friction , Journal bearings

Calculated Rotordynamic Behaviour of a Twin Spool Engine and the Comparison With Test Results

B. Domes, H. Hartmüller, G. Tokar, G. Wang

IDETC-CIE 1995; 1271-1276doi:https://doi.org/10.1115/DETC1995-0526

Abstract

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Topics: Engines , Bearings , Dampers , Damping , Jets , Resonance , Rotors , Thrust , Vibration analysis

Variation of Fluid Flow Forces in Seals With Rotor Bending

K. Kwanka

IDETC-CIE 1995; 1277-1282doi:https://doi.org/10.1115/DETC1995-0527

Abstract

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Topics: Fluid dynamics , Rotors , Excitation , Mode shapes , Stability , Turbomachinery , Fluids , Stiffness , Vibration

Rotor Dynamics

Nonlinear Analysis of Cracked Rotors With Multiple Supports

Jan Kiciński, Wiesław M. Ostachowicz

IDETC-CIE 1995; 1283-1292doi:https://doi.org/10.1115/DETC1995-0528

Abstract

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Topics: Rotors , Fracture (Materials) , Computer software , Damping , Emission spectroscopy , Engineering simulation , Simulation , Spectroscopy , Trajectories (Physics) , Vibration

Chaos of a Flexible Rotor in Journal Bearings

R. D. Brown, G. Drummond

IDETC-CIE 1995; 1293-1300doi:https://doi.org/10.1115/DETC1995-0529

Abstract

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Topics: Chaos , Journal bearings , Rotors , Bearings , Fatigue , Machinery , Nonlinear systems , Stress

Analysis and Experimental Evaluation of Inherent Instability in Electromagnetic Eddy-Current Dampers Intended for Reducing Lateral Vibration of Rotating Machinery

Yuri Kligerman, Asif Grushkevich, Mark S. Darlow, Adrian Zuckerberger

IDETC-CIE 1995; 1301-1309doi:https://doi.org/10.1115/DETC1995-0530

Abstract

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Topics: Dampers , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Machinery , Vibration , Damping , Design , Disks , Magnetic fields , Rotation

Study on the Unbalanced Effect of Rotary Systems

Yuan Mao Huang, Chin-Ming Wang

IDETC-CIE 1995; 1311-1326doi:https://doi.org/10.1115/DETC1995-0531

Abstract

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Topics: Bearings , Damping , Dynamic analysis , Finite element methods , Numerical analysis , Rotational inertia , Rotors , Shear deformation , Transients (Dynamics)

Measurement Methods for Rotating Machinery

Multi-Dimensional Directional Spectrograms and Campbell (ZMOD) Diagrams for Rotating Machinery

I. Bucher, D. J. Ewins, D. A. Robb, P. Schmiechen

IDETC-CIE 1995; 1327-1334doi:https://doi.org/10.1115/DETC1995-0532

Abstract

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Topics: Machinery , Vibration , Sensors , Signals , Wavelength , Resolution (Optics) , Rotating disks , Rotation

A New Approach to Machinery Monitoring and Diagnostics Using Self-Organizing Maps

Siyu Zhang, R. Ganesan, T. S. Sankar

IDETC-CIE 1995; 1335-1341doi:https://doi.org/10.1115/DETC1995-0533

Abstract

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Topics: Machinery , Self-organization , Trend analysis , Algorithms , Artificial neural networks , Service life (Equipment) , Vibration , Bearings , Condition monitoring , Mechanical drives

Determination of Rotating Assembly Synchronous Response Characteristics Using Blade Tip-Timing Techniques

Steve Heath, Mehmet Imregun

IDETC-CIE 1995; 1343-1351doi:https://doi.org/10.1115/DETC1995-0534

Abstract

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Topics: Blades , Manufacturing , Disks , Probes , Aerospace industry , Lasers , Mode shapes , Reliability , Turbomachinery , Vibration

Excitation of Arbitrary Displacement/Velocity Conditions in Rotationally Periodic Structures

P. Schmiechen, D. J. Ewins, I. Bucher

IDETC-CIE 1995; 1353-1360doi:https://doi.org/10.1115/DETC1995-0535

Abstract

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Topics: Displacement , Excitation , Periodic structures , Engineering simulation , Simulation , Standing waves , Waves , Algorithms , Mode shapes , Testing

Modal Analysis Applied to Rotating Machinery

Modal Analysis of a Laminated Stator Core

M. Dias, Jr., H. I. Weber

IDETC-CIE 1995; 1361-1369doi:https://doi.org/10.1115/DETC1995-0536

Abstract

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Topics: Modal analysis , Stators , Acoustics , Excitation , Machinery , Noise (Sound) , Vibration , Design , Generators , Modeling

Forced and Natural Vibration Analysis of Mistuned Practical Turbomachine Impellers Using Multifreedom Models

Evgueni P. Petrov

IDETC-CIE 1995; 1371-1376doi:https://doi.org/10.1115/DETC1995-0537

Abstract

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Topics: Impellers , Turbomachinery , Vibration analysis , Blades , Axial flow , Damping , Design , Disks , Excitation , Geometry

Friction Dampers: Measurement, Modelling and Application to Blade Vibration Control

Kenan Y. Sanliturk, Anthony B. Stanbridge, David J. Ewins

IDETC-CIE 1995; 1377-1382doi:https://doi.org/10.1115/DETC1995-0538

Abstract

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Topics: Blades , Dampers , Friction , Modeling , Vibration control , Dry friction , Stress , Testing

Application of ESPI in the Vibration Analysis of Turbine Blading

Robert X. Wang, Graham M. Chapman

IDETC-CIE 1995; 1383-1389doi:https://doi.org/10.1115/DETC1995-0539

Abstract

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Topics: Electronic speckle pattern interferometry , Turbines , Vibration analysis , Blades , Airfoils , Finite element analysis , Turbochargers , Vibration measurement

Vibration Control in Turbomachinery Blading Using Lacing Wires

Robert X. Wang, Graham M. Chapman

IDETC-CIE 1995; 1391-1396doi:https://doi.org/10.1115/DETC1995-0540

Abstract

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Topics: Turbomachinery , Vibration control , Wire , Blades , Electronic speckle pattern interferometry , Damping , Finite element analysis , Modeling , Vibration , Vibration analysis

Gyroscopic Systems

A Generalized Treatment of the Energetics of Translating Continua

Seung-Yop Lee, C. D. Mote, Jr.

IDETC-CIE 1995; 1399-1410doi:https://doi.org/10.1115/DETC1995-0541

Abstract

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Topics: Energetics , String , Boundary-value problems , Computer simulation , Damping , Energy transformation , Flow (Dynamics) , Mechanical impedance , Traveling waves , Waves

Three Dimensional Vibration of a Ballooning String

Kevin J. Hall, Fang Zhu, Christopher D. Rahn

IDETC-CIE 1995; 1411-1418doi:https://doi.org/10.1115/DETC1995-0542

Abstract

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Topics: String , Vibration , Steady state , Tension , Yarns , Elasticity , Partial differential equations , Stiffness , Hamilton's principle , Stability

Adaptive Virtual Autobalancing for a Magnetic Rotor With Unknown Mass Imbalance: Part I — Static Balancing

Kai-Yew Lum, Sanjay P. Bhat, Dennis S. Bernstein, Vincent T. Coppola

IDETC-CIE 1995; 1419-1425doi:https://doi.org/10.1115/DETC1995-0543

Abstract

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Topics: Rotors , Adaptive control , Control algorithms , Control equipment , Dynamics (Mechanics) , Equations of motion , Magnetic bearings , Simulation , Torque

Adaptive Virtual Autobalancing for a Magnetic Rotor With Unknown Mass Imbalance: Part II — Dynamic Balancing

Kai-Yew Lum, Sanjay P. Bhat, Dennis S. Bernstein, Vincent T. Coppola

IDETC-CIE 1995; 1427-1434doi:https://doi.org/10.1115/DETC1995-0544

Abstract

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Topics: Rotors , Adaptive control , Algorithms , Control equipment , Degrees of freedom , Equations of motion , Simulation

Transient Vibration of Gyroscopic Systems With Unsteady Superposed Motion

J. A. Wickert

IDETC-CIE 1995; 1435-1442doi:https://doi.org/10.1115/DETC1995-0545

Abstract

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Topics: Approximation , Degrees of freedom , Distributed parameter models , Equations of motion , Oscillations , Particulate matter , Stiffness , Transients (Dynamics) , Vibration

Wave Motion

Formulation and Solution

Vibration Analysis of Mindlin Plates by the Superposition-Galerkin Method

D. J. Gorman, Wei Ding

IDETC-CIE 1995; 1445-1450doi:https://doi.org/10.1115/DETC1995-0546

Abstract

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Topics: Plates (structures) , Vibration analysis , Vibration , Resonance , Eigenvalues , Galerkin method

On the Formulation and Solution of a Class of Magneto-Viscoelasto-Dynamics (MVD) Governing Equations of Motion

Po Kee Wong, Adam Wong, Anita Wong

IDETC-CIE 1995; 1451-1456doi:https://doi.org/10.1115/DETC1995-0547

Abstract

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Topics: Dynamics (Mechanics) , Equations of motion , Displacement , Plasmas (Ionized gases)

Forced Wave Propagation in Elastic Cables With Small Curvature

M. Behbahani-Nejad, N. C. Perkins

IDETC-CIE 1995; 1457-1464doi:https://doi.org/10.1115/DETC1995-0548

Abstract

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Topics: Cables , Wave propagation , Waves , Deformation , Equilibrium (Physics) , Excitation , Partial differential equations , String , Wave frequency

Generalized Characteristic Method for Orthotropic Media

Shigong Su, Xianzhong Su

IDETC-CIE 1995; 1465-1469doi:https://doi.org/10.1115/DETC1995-0549

Abstract

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Topics: Algebra , Composite materials , Crystals , Displacement , Elastodynamics , Particulate matter , Reflectance , Snell's law , Transients (Dynamics) , Waves

Waves in Inhomogeneous Media

Analytical Study of Dispersion of Stress Waves in a Weakly Coupled Layered System

A. F. Vakakis, C. Cetinkaya

IDETC-CIE 1995; 1471-1478doi:https://doi.org/10.1115/DETC1995-0550

Abstract

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Topics: Stress , Waves , Transients (Dynamics) , Approximation , Design , Excitation , Fourier transforms , Oscillations , Transfer functions

A Spectral Element for Acoustic Wave Propagation Through Multi-Layered Media

James F. Doyle, Brian A. Bilodeau

IDETC-CIE 1995; 1479-1484doi:https://doi.org/10.1115/DETC1995-0551

Abstract

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Topics: Acoustics , Wave propagation , Fluids , Solids

Dynamic Response of Soil Under S.H.P.B. Loading

J. F. Semblat, G. Gary, M. P. Luong

IDETC-CIE 1995; 1485-1490doi:https://doi.org/10.1115/DETC1995-0552

Abstract

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Topics: Dynamic response , Soil , Grain size , Pressure , Dynamic testing (Engineering) , Dynamic testing (Materials) , Fracture (Materials) , Fracture (Process) , Stress

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