Topics: Blades , Noise (Sound) , Vertical axis wind turbines , Sound pressure , Turbines , Dimensions , Dipoles (Electromagnetism) , Radiation (Physics) , Shapes , Simulation results

Aeroacoustics of a Low-Speed Free Tip Fan With a Complex Clearance Geometry

Dominic Lallier-Daniels, Stephane Moreau, Marlene Sanjose

IMECE 2014; V013T16A004https://doi.org/10.1115/IMECE2014-39160

Abstract

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Topics: Aerodynamic noise , Clearances (Engineering) , Geometry , Acoustics , Leakage flows , Noise (Sound) , Turbomachinery , Axial flow , Engineering simulation , Fans

Vibration Vulnerability of Rod Baffle Type Heat Exchanger: Case Study Badak LNG MCR Aftercooler

Frilo Fitrasali Hutagalung

IMECE 2014; V013T16A005https://doi.org/10.1115/IMECE2014-39673

Abstract

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Topics: Heat exchangers , Liquefied natural gas , Vibration , Design , Belts , Fluids , Trains , Cooling , Shells , Compressors

Coupled FSI Simulations of the Interaction of a Flexible Hydrofoil With Large Scale Unsteady Flows

Abe H. Lee, Robert L. Campbell, Brent A. Craven, Stephen A. Hambric

IMECE 2014; V013T16A006https://doi.org/10.1115/IMECE2014-40368

Abstract

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Topics: Fluid structure interaction , Hydrofoil , Simulation , Unsteady flow , Computational fluid dynamics , Delay differential equations , Turbulence , Vibration , Cylinders , Dynamics (Mechanics)

General Noise and Vibration Control

A Modified Optimal Design of a Vibration Absorber for Ground Motion Isolation

Jimmy S. Issa

IMECE 2014; V013T16A007https://doi.org/10.1115/IMECE2014-36500

Abstract

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Topics: Design , Vibration absorbers , Damping , Optimization , Dynamic systems , Engineering design processes , Genetic algorithms , Shapes , Stiffness , Tradeoffs

Characterization of the Damping Behavior of Thin Films With Dynamic Mechanic Analysis in Bending Mode

Gilbert Knapp, Martin Leyrer, Gernot Oreski, Gerald Pinter

IMECE 2014; V013T16A008https://doi.org/10.1115/IMECE2014-38279

Abstract

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Topics: Damping , Thin films , Laminates , Design , Shear (Mechanics) , Loudspeakers , Stiffness , Displacement , Entropy , Geometry

Sound Transmission Loss Through a Corrugated-Core Sandwich Panel With Integrated Acoustic Resonators

Noah H. Schiller, Albert R. Allen, Bart F. Zalewski, Benjamin S. Beck

IMECE 2014; V013T16A009https://doi.org/10.1115/IMECE2014-39612

Abstract

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Topics: Acoustics , Sound , Bearings , Computer simulation , Gates (Closures) , Noise (Sound) , Stress

Numerical Methods in Vibrations and Acoustics

The Impacts of Bias Flow and Geometric Variables on Acoustic Damping Attributes of Perforated Liners

Alireza Mazdeh, Ahmad Reza Kashani

IMECE 2014; V013T16A010https://doi.org/10.1115/IMECE2014-36375

Abstract

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Topics: Acoustics , Damping , Flow (Dynamics) , Porosity , Energy dissipation , Inertia (Mechanics) , Simulation

Design for a Hybrid Absorbing Element in the Time Domain Using PML and Infinite Element Concepts

Jeffrey L. Cipolla

IMECE 2014; V013T16A011https://doi.org/10.1115/IMECE2014-37159

Abstract

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Topics: Algorithms , Design , Finite element analysis , Storage , User interfaces , Wavelength

Finite Element Analysis Conversion Factors for Natural Vibrations of Beams

Austin Cosby, Ernesto Gutierrez-Miravete

IMECE 2014; V013T16A012https://doi.org/10.1115/IMECE2014-37261

Abstract

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Topics: Boundary-value problems , Dimensions , Finite element analysis , Vibration

A Combined Perfectly Matching Layer and Infinite Element Formulation for Unbounded Wave Problems in the Frequency Domain

Joseph S. Pettigrew, Anthony J. Mulholland, Jeffrey L. Cipolla, John Mould, Robert Banks

IMECE 2014; V013T16A013https://doi.org/10.1115/IMECE2014-37985

Abstract

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Topics: Waves , Acoustics , Inertia (Mechanics)

Applying Incompatible Meshes for Modeling Structural-Acoustic Domains in Energy Finite Element Analysis

S. N. Medyanik, N. Vlahopoulos

IMECE 2014; V013T16A014https://doi.org/10.1115/IMECE2014-39085

Abstract

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Topics: Acoustics , Finite element analysis , Modeling , Differential equations , Wavelength , Density , Finite element methods , Shapes

Phononic Crystals and Metamaterials

Variational Methods for Phononic Band-Structure Evaluation

Ankit Srivastava

IMECE 2014; V013T16A015https://doi.org/10.1115/IMECE2014-36594

Abstract

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Topics: Density , Dispersion relations , Displacement , Stress , Variational principles , Variational techniques

Applicability of Dynamic Homogenization for Acoustic Metamaterials

Ankit Srivastava, Sia Nemat-Nasser

IMECE 2014; V013T16A016https://doi.org/10.1115/IMECE2014-36601

Abstract

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Topics: Approximation , Composite materials , Design , Metamaterials , Phononic crystals , Refraction , Resonance , Wave propagation , Waves

Semi-Dirac Points in Phononic Crystals

Xiujuan Zhang, Ying Wu

IMECE 2014; V013T16A017https://doi.org/10.1115/IMECE2014-37421

Abstract

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Topics: Phononic crystals , Waves , Dispersion relations , Acoustics , Water , Cylinders , Electrons , Graphene , Particulate matter , Periodic structures

Dirac-Like Cones at Low-Symmetry Points in Phononic Crystals

Huixian Cao, Jun Mei

IMECE 2014; V013T16A018https://doi.org/10.1115/IMECE2014-37422

Abstract

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Topics: Phononic crystals , Anisotropy , Disperse systems , Dispersion relations , Acoustics , Cylinders , Water , Waves

Silicon Pillars as Resonators in an Acoustical Metamaterial

Bernard Bonello, Rémi Marchal, Rayisa Moiseyenko, Yan Pennec, Bahram Djafari-Rouhani, Jinfeng Zhao, Olga Boyko

IMECE 2014; V013T16A019https://doi.org/10.1115/IMECE2014-37914

Abstract

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Topics: Acoustics , Columns (Structural) , Metamaterials , Silicon , Resonance , Waves , Computation , Density , Finite element methods , Finite element model

Cavity Resonance Biomedical Sensor

Ralf Lucklum, Mikhail Zubtsov, Simon Villa Arango

IMECE 2014; V013T16A020https://doi.org/10.1115/IMECE2014-38222

Abstract

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Topics: Biomedicine , Cavities , Resonance , Sensors , Phononic crystals , Acoustics , Containers , Acoustical properties , Crystals , Dimensions

Facile and Effective Phononic Structures for Ultrasound Focusing Application

Qiuquan Guo, Xiaobing Cai, Jun Yang

IMECE 2014; V013T16A021https://doi.org/10.1115/IMECE2014-39381

Abstract

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Topics: Ultrasonic focusing , Design , Resolution (Optics) , Ultrasound , Acoustics , Patient treatment , Phononic crystals , Wavelength , Waves , Bone

Band Gaps in Bravais Lattices Inspired Periodic Cellular Materials and the Effect of Relative Density and Strain Fields

Sumantu Iyer, Maen Alkhader, T. A. Venkatesh

IMECE 2014; V013T16A022https://doi.org/10.1115/IMECE2014-40189

Abstract

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Topics: Density , Energy gap , Dispersion (Optics) , Phononic crystals , Acoustics , Waves , Acoustical properties , Anisotropy , Deformation , Engineers

Poster

Active Vibration Control Using Self-Sensing Actuators: An Experimental Comparison of Piezoelectric and Electromagnetic Technologies

Romain Boulandet, Anik Pelletier, Philippe Micheau, Alain Berry

IMECE 2014; V013T16A023https://doi.org/10.1115/IMECE2014-40082

Abstract

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Topics: Actuators , Vibration control , Energy consumption , Excitation , Excitation systems , Sensors , Smart structures , Vibration

Vibration and Acoustic Measurement Techniques and Facilities

Development of 45° Incident Angle Sound Absorption Coefficient Test Device for Design of Vehicle Interior Trim Sound Package

Yuli Zhao, Laith Neima Egab, Weishan Chen, Haiqiao Wei, Xu Wang

IMECE 2014; V013T16A024https://doi.org/10.1115/IMECE2014-36103

Abstract

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Topics: Design , Sound absorption , Vehicles , Sound pressure , Acoustics , Computer software , Matlab , Noise (Sound) , Waveguides

Analytical Evaluation of Spectral Moments and Dirlik’s Damage Model to Allow Comparison of Life Testing With Dissimilar PSD Vibration Curves

Jon S. Pointer

IMECE 2014; V013T16A025https://doi.org/10.1115/IMECE2014-36391

Abstract

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Topics: Damage , Life testing , Vibration , Testing , Shapes , Finite element analysis , Analytical methods , Errors , Fatigue life , Impact testing

Verification of the Vibration Characteristics of a Reciprocating Compressor in Operation and the Proposal of the Model Parameters Estimation Method

Yoshifumi Mori, Takashi Saito, Katsuhide Fujita

IMECE 2014; V013T16A026https://doi.org/10.1115/IMECE2014-36812

Abstract

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Topics: Compressors , Vibration , Eigenvalues , Degrees of freedom , Machinery , Stiffness , Vibration tests

Advanced Real Time and Long Term Monitoring of Transportation Pipelines

Giancarlo Bernasconi, Silvio Del Giudice, Giuseppe Giunta

IMECE 2014; V013T16A027https://doi.org/10.1115/IMECE2014-36872

Abstract

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Topics: Pipelines , Transportation systems , Acoustics , Fluids , Pipes , Absorption , Flow (Dynamics) , Inspection , Leakage , Reliability

Phased Array Ultrasonic Technique Parametric Evaluation for Composite Materials

Hossein Taheri, Katrina M. Ladd, Fereidoon Delfanian, Jikai Du

IMECE 2014; V013T16A028https://doi.org/10.1115/IMECE2014-36945

Abstract

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Topics: Composite materials , Signals , Probes , Wedges , Resolution (Optics) , Transducers , Waves , Acoustics , Aluminum plate , Anisotropy

Power Transformer Fault Diagnosis Based on Vibration Correlation Analysis

Kaixing Hong, Hai Huang

IMECE 2014; V013T16A029https://doi.org/10.1115/IMECE2014-37214

Abstract

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Topics: Fault diagnosis , Power transformers , Vibration , Winding (process) , Deformation , Vibration analysis

Tooth Contact Analysis of Planetary Gear Trains and its Transmission Error Experiments and Frequency Spectrum Analysis

Kai Xu, Aijun Xu, Jianjun Yang, Ming Qiu, Jianxin Su

IMECE 2014; V013T16A030https://doi.org/10.1115/IMECE2014-37418

Abstract

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Topics: Emission spectroscopy , Errors , Planetary gears , Spectroscopy , Trains , Gear trains

Vibrations and Acoustic/Elastic Waves

Localization Approach of Damage in Welded Joint Based on Acoustic Emission Beamforming

Denghong Xiao, Tian He, Xiandong Liu, Yingchun Shan

IMECE 2014; V013T16A031https://doi.org/10.1115/IMECE2014-37658

Abstract

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Topics: Acoustic emissions , Damage , Welded joints , Computation , Failure , Sensors , Signals , Steel

Shear and Longitudinal Acoustic Communication and Power Transfer Through Plates Using Acoustic Wedges

R. B. Litman, K. R. Wilt, H. A. Scarton, G. J. Saulnier

IMECE 2014; V013T16A032https://doi.org/10.1115/IMECE2014-38716

Abstract

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Topics: Acoustics , Plates (structures) , Shear (Mechanics) , Wedges , Steel , Waves , Energy transformation , Pipes , Cements (Adhesives) , Engines

Nonlinear Guided Waves for Continuous Material Microstructure State Awareness

Cliff J. Lissenden, Yang Liu, Vamshi K. Chillara, Gloria Choi, Xiaochu Yao

IMECE 2014; V013T16A033https://doi.org/10.1115/IMECE2014-39699

Abstract

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Topics: Waves , Fatigue , Aluminum alloys , Cycles , Fracture (Materials) , Guided wave ultrasonic testing , Instrumentation , Service life (Equipment) , Shear (Mechanics)