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Proceedings Papers
Volume 7B: Structures and Dynamics
Rotordynamics
Prediction of Structural Supports Influence on Rotating Machinery Dynamics
GT 2017; V07BT33A001https://doi.org/10.1115/GT2017-63035
Topics:
Algorithms
,
Ball bearings
,
Bearings
,
Damage
,
Damping
,
Design
,
Dynamics (Mechanics)
,
Finite element model
,
Geometry
,
Machine dynamics
Investigation of the American Petroleum Institute’s Support Stiffness Ratio Specification
GT 2017; V07BT33A002https://doi.org/10.1115/GT2017-63142
Topics:
Petroleum
,
Stiffness
,
American Petroleum Institute
,
Machinery
,
Separation (Technology)
,
Bearings
,
Computer simulation
,
Design
,
Dynamics (Mechanics)
,
Risk
Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps
GT 2017; V07BT33A003https://doi.org/10.1115/GT2017-63459
Topics:
Equilibrium (Physics)
,
Pumps
,
Submersibles
,
Gravity (Force)
,
Buoyancy
,
Fluids
,
Rotordynamics
,
Rotors
,
Seas
,
Stability
Dynamic Analysis of Flexible Rotor Systems Subjected to Time-Varying Base Excitations
GT 2017; V07BT33A004https://doi.org/10.1115/GT2017-63926
Topics:
Dynamic analysis
,
Excitation
,
Rotors
,
Rotation
,
Yaw
,
Computer simulation
,
Disks
,
Finite element methods
,
Resonance
,
Shapes
The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings
GT 2017; V07BT33A005https://doi.org/10.1115/GT2017-64206
Topics:
Bearings
,
Clearances (Engineering)
,
Density
,
Foil bearings
,
Metals
,
Rotors
,
Cooling
,
Damping
,
Impulse (Physics)
,
Stability
Investigation on the Excitation Characteristics and Dynamic Response of the Multi-Support Flexible Rotor With Misalignment
GT 2017; V07BT33A006https://doi.org/10.1115/GT2017-64353
Topics:
Dynamic response
,
Excitation
,
Rotors
,
Stiffness
,
Bearings
,
Finite element methods
,
Rotation
,
Stress
,
Vibration
Structural Topology Optimization of Turbomachinery Components Using New Manufacturing Techniques and Innovative Materials
GT 2017; V07BT33A007https://doi.org/10.1115/GT2017-64369
Topics:
Manufacturing
,
Optimization
,
Topology
,
Turbomachinery
,
Boundary-value problems
,
Design
,
Machinery
,
Rotordynamics
,
Rotors
,
Stators
Rotordynamic Energy Expressions for General Anisotropic Finite Element Systems
GT 2017; V07BT33A008https://doi.org/10.1115/GT2017-64816
Topics:
Anisotropy
,
Finite element analysis
,
Mode shapes
,
Bearings
,
Cycles
,
Damping
,
Degrees of freedom
,
Stiffness
,
Design
,
Displacement
Efficient Rotordynamic Analysis Using the Superelement Approach for an Aircraft Engine
GT 2017; V07BT33A009https://doi.org/10.1115/GT2017-64954
Topics:
Aircraft engines
,
Engines
,
Rotors
,
Shells
,
Computation
,
Crude oil
,
Dynamics (Mechanics)
,
Finite element analysis
,
Intellectual property
,
Manufacturing
Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates
GT 2017; V07BT33A010https://doi.org/10.1115/GT2017-65040
Topics:
Flow (Dynamics)
,
Vibration
,
Bearings
,
Stress
,
Machinery
,
Rotors
,
Stability
,
Cavitation
,
Compressors
,
Damping
Structural Mechanics, Vibration and Damping
Vibration Response Analysis of Mistuned Bladed Disk With Under-Platform Damper: Effect of Variation of Contact Condition on Vibration Characteristics
GT 2017; V07BT35A001https://doi.org/10.1115/GT2017-63027
Topics:
Dampers
,
Disks
,
Vibration
,
Blades
,
Gas turbines
,
Damping
,
Deformation
,
Frequency response
,
Friction
,
Manufacturing
A Discussion on the Advancement of Blade Tip Timing Data Processing
GT 2017; V07BT35A002https://doi.org/10.1115/GT2017-63138
Topics:
Blades
,
Vibration
,
Compressors
,
Engines
,
Excitation
,
Fourier transforms
,
Gas turbines
,
Interpolation
,
Limit cycles
,
Optimization
Modal Analyses of an Axial Turbine Blisk With Intentional Mistuning
GT 2017; V07BT35A003https://doi.org/10.1115/GT2017-63193
Topics:
Modal analysis
,
Turbines
,
Damping
,
Diesel engines
,
Engineering prototypes
,
Engines
,
Excitation
,
Genetic algorithms
,
Mode shapes
,
Optimization
Mistuning and Damping Experiments at Design Speed Combined With Computational Tools
GT 2017; V07BT35A005https://doi.org/10.1115/GT2017-63287
Topics:
Damping
,
Design
,
Hardware
,
Rotors
,
Air jets
,
Engines
,
Computation
,
Data acquisition systems
,
Data storage systems
,
NASA
Towards Full 3D Numerical Simulation of Whirl Motions Stemming From Unilateral Contact Constraints in Aircraft Engines
GT 2017; V07BT35A007https://doi.org/10.1115/GT2017-63488
Topics:
Aircraft engines
,
Computer simulation
,
Whirls
,
Finite element model
,
Disks
,
Dynamics (Mechanics)
,
Engines
,
Free vibrations
,
Modeling
,
Risk
One Exciter per Sector Test Bench for Bladed Wheels Harmonic Response Analysis
GT 2017; V07BT35A008https://doi.org/10.1115/GT2017-63628
Topics:
Excitation systems
,
Wheels
,
Excitation
,
Accelerometers
,
Blades
,
Computer software
,
Damping
,
Mode shapes
,
Resonance
,
Stators
Non-Linear Modeling of Centrifugal Stiffening Effects for Accurate Bladed Component Reduced-Order Models
GT 2017; V07BT35A009https://doi.org/10.1115/GT2017-63629
Topics:
Modeling
,
Blades
,
Clearances (Engineering)
,
Finite element model
,
Errors
,
Geometry
,
Polynomials
,
Stiffness
,
Accounting
,
Computation
Identification of Vibrational Resonances of Centrifugal Compressor and Radial Turbine Impellers Interacting With General Pressure Pulsations
GT 2017; V07BT35A010https://doi.org/10.1115/GT2017-63702
Topics:
Compressors
,
Impellers
,
Pressure
,
Resonance
,
Turbines
,
Excitation
,
Failure analysis
,
Inflow
,
Design
,
Physics
Nonlinear Vibration of a Saturated Water Journal Bearing and Bifurcation Analysis
GT 2017; V07BT35A011https://doi.org/10.1115/GT2017-63752
Topics:
Bifurcation
,
Journal bearings
,
Nonlinear vibration
,
Water
,
Vibration
,
Bearings
,
Equations of motion
,
Rotors
,
Stiffness
,
Thrust
Combinatorial Optimization of Mistuned Blade Rearrangement Based on Reduced-Order FEA Model
GT 2017; V07BT35A013https://doi.org/10.1115/GT2017-63867
Topics:
Blades
,
Finite element analysis
,
Optimization
,
Disks
,
Algorithms
,
Finite element model
,
Displacement
,
Computation
,
Computer simulation
,
Manufacturing
Blade Incipient Crack Determination for Centrifugal Compressor Based on CWT-Stochastic Resonance Method
GT 2017; V07BT35A014https://doi.org/10.1115/GT2017-63897
Topics:
Blades
,
Compressors
,
Fracture (Materials)
,
Resonance
,
Signals
,
Feature extraction
,
Pressure
,
Failure
,
Compressor impellers
,
Flow (Dynamics)
Investigation on the Turbine Blade Tip Clearance Measurement and Active Clearance Control Based on Eddy Current Pulse-Trigger Method
GT 2017; V07BT35A016https://doi.org/10.1115/GT2017-63980
Topics:
Clearances (Engineering)
,
Eddies (Fluid dynamics)
,
Eddy currents (Electricity)
,
Turbine blades
,
Displacement
,
Blades
,
Rotors
,
Pressure
,
Sensors
,
Stress
New Step to Improve the Accuracy of Blade Synchronous Vibration Parameters Identification Based on Combination of GARIV and LM Algorithm
GT 2017; V07BT35A017https://doi.org/10.1115/GT2017-63986
Topics:
Algorithms
,
Blades
,
Vibration
,
Displacement
,
Excitation
,
Fittings
,
Resonance
,
Sensors
,
Engines
,
Magnets
Nodal Diameter-Dependent Modal Damping Method for Nonlinear Blade Dynamics Prediction Considering Variable Rotational Speed
GT 2017; V07BT35A018https://doi.org/10.1115/GT2017-63999
Topics:
Blades
,
Damping
,
Dynamics (Mechanics)
,
Degrees of freedom
,
Excitation
,
Disks
,
Equations of motion
,
Friction
,
Vibration analysis
Frequency-Domain Sensitivity Analysis of Stability of Nonlinear Vibrations for High-Fidelity Models of Jointed Structures
GT 2017; V07BT35A019https://doi.org/10.1115/GT2017-64023
Topics:
Sensitivity analysis
,
Stability
,
Vibration
,
Design
,
Friction
,
Blades
,
Finite element model
,
Gas turbines
,
Structural elements (Construction)
Analysis of Micro-Slip Properties for Models of Bladed Disc Friction Joints
GT 2017; V07BT35A021https://doi.org/10.1115/GT2017-64269
Topics:
Disks
,
Friction
,
Damping
,
Blades
,
Geometry
,
Modeling
,
Stiffness
,
Three-dimensional models
,
Turbomachinery
,
Vibration
Thermomechanical Component Mode Synthesis for Blade Casing Interaction Prediction
GT 2017; V07BT35A022https://doi.org/10.1115/GT2017-64342
Topics:
Blades
,
Thermomechanics
,
Engineering simulation
,
Friction
,
Simulation
,
Turbomachinery
,
Algorithms
,
Modeling
,
Clearances (Engineering)
,
Compressors
An Explicit-Implicit Time Integration Approach for Finite Element Evaluation of Engine Load Following an FBO Event
GT 2017; V07BT35A025https://doi.org/10.1115/GT2017-64636
Topics:
Engines
,
Finite element analysis
,
Stress
,
Blades
,
Flight
,
Risk
,
Safety
,
Sensitivity analysis
,
Simulation
,
Steady state
Reduced Order Modeling for Multi-Stage Bladed Disks With Friction Contacts at the Flange Joint
GT 2017; V07BT35A027https://doi.org/10.1115/GT2017-64814
Topics:
Disks
,
Flanges
,
Friction
,
Modeling
,
Displacement
,
Engines
,
Aircraft
,
Blades
,
Bolted flanges
,
Damping
Resonance Frequency Detuning With Application Towards Blade Mistuning
GT 2017; V07BT35A030https://doi.org/10.1115/GT2017-64973
Topics:
Blades
,
Resonance
,
Vibration
,
Damping
,
Excitation
,
Circuits
,
Statistical analysis
,
Stiffness
,
Turbomachinery
Aerodynamic Excitation and Damping
System Eigenvalue Identification of Mistuned Bladed Disks Using Least-Squares Complex Frequency-Domain Method
GT 2017; V07BT36A001https://doi.org/10.1115/GT2017-63008
Topics:
Disks
,
Eigenvalues
,
Rotors
,
Compressors
,
Damping
,
Algorithms
,
Errors
,
Frequency response
,
Poles (Building)
,
Polynomials
Analysis of the Effect of Multi-Row and Multi-Passage Aerodynamic Interaction on the Forced Response Variation in a Compressor Configuration: Part 1 — Aerodynamic Excitation
GT 2017; V07BT36A002https://doi.org/10.1115/GT2017-63018
Topics:
Compressors
,
Excitation
,
Blades
,
Airfoils
,
Annulus
,
Damping
,
Design
,
Flow (Dynamics)
,
Flutter (Aerodynamics)
,
Spin (Aerodynamics)
Analysis of the Effect of Multi-Row and Multi-Passage Aerodynamic Interaction on the Forced Response Variation in a Compressor Configuration: Part 2 — Effects of Additional Structural Mistuning
GT 2017; V07BT36A003https://doi.org/10.1115/GT2017-63019
Topics:
Compressors
,
Blades
,
Disks
,
Acoustics
,
Design
,
Excitation
,
Finite element model
,
Mechanical properties
,
Rotation
,
Spin (Aerodynamics)
Numerical Investigation of the Effects of Part-Span Shrouds on Aerodynamic and Aeroelastic Characteristics of a Transonic Fan Rotor
GT 2017; V07BT36A004https://doi.org/10.1115/GT2017-63162
Topics:
Rotors
,
Blades
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Stability
,
Computation
,
Computer simulation
,
Delays
,
Fluids
,
Modeling
Interaction of Concurrent Forced Response and Flutter Phenomena in a Compressor Stage
GT 2017; V07BT36A005https://doi.org/10.1115/GT2017-63376
Topics:
Compressors
,
Flutter (Aerodynamics)
,
Blades
,
Pressure
,
Rotors
,
Vibration
,
Damping
,
Engineering simulation
,
Simulation
,
Computational fluid dynamics
Experimental and Numerical Investigation of Vibration Transmission Between Two Parallel Plate Partially Immersed in a Fluid
GT 2017; V07BT36A006https://doi.org/10.1115/GT2017-63391
Topics:
Fluids
,
Vibration
,
Fluid structure interaction
,
Plates (structures)
,
Finite element methods
,
Damping
,
Displacement
,
Cantilevers
,
Containers
,
Excitation
Research on Aerodynamic Damping of Bladed Disk With Random Mistuning
GT 2017; V07BT36A010https://doi.org/10.1115/GT2017-63877
Topics:
Damping
,
Disks
,
Stability
,
Traveling waves
,
Waves
,
Computer software
,
NASA
,
Statistical analysis
On the Importance of Engine-Representative Models for Fan Flutter Predictions
GT 2017; V07BT36A012https://doi.org/10.1115/GT2017-64167
Topics:
Engines
,
Flutter (Aerodynamics)
,
Blades
,
Computational fluid dynamics
,
Acoustics
,
Computation
,
Manufacturing
,
Damping
,
Design
,
Fans
Computing Fluid Structure Interaction Coupling Time Spectral Method (TSM) and Harmonic Balance Method (HBM)
GT 2017; V07BT36A014https://doi.org/10.1115/GT2017-64260
Topics:
Fluid structure interaction
,
Excitation
,
Fluids
,
Resolution (Optics)
,
Blades
,
Flow (Dynamics)
,
Steady state
,
Aerodynamics
,
Airfoils
,
Algebra
Aerodynamic Excitation Analysis of Radial Turbine Blades due to Unsteady Flow From Vaneless Turbine Housings
GT 2017; V07BT36A015https://doi.org/10.1115/GT2017-64468
Topics:
Excitation
,
Turbine blades
,
Unsteady flow
,
Vaneless turbines
,
Design
,
Turbines
,
Blades
,
High cycle fatigue
,
Resonance
,
Vibration
Research on Failure of Semi-Open Centrifugal Impeller Under Aerodynamic Load
GT 2017; V07BT36A017https://doi.org/10.1115/GT2017-64564
Topics:
Failure
,
Impellers
,
Stress
,
Damping
,
Flow (Dynamics)
,
Blades
,
Compressors
,
Design
,
Fatigue damage
,
Resonance
Analysis of a Turbine Bladed Disk With Structural and Aerodynamic Mistuning
GT 2017; V07BT36A019https://doi.org/10.1115/GT2017-64586
Topics:
Aerodynamics
,
Algorithms
,
Annulus
,
Blades
,
Computation
,
Disks
,
Eigenvalues
,
Fluid-dynamic forces
,
Flutter (Aerodynamics)
,
Manufacturing
Design and Analysis of an Intentional Mistuning Experiment Reducing Flutter Susceptibility and Minimizing Forced Response of a Jet Engine Fan
GT 2017; V07BT36A020https://doi.org/10.1115/GT2017-64621
Topics:
Design
,
Flutter (Aerodynamics)
,
Jet engines
,
Engines
,
Blades
,
Excitation
,
Fans
,
Vibration
,
Flow (Dynamics)
,
Rotors
Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part I — Steady and Unsteady Aerodynamics
GT 2017; V07BT36A021https://doi.org/10.1115/GT2017-64633
Topics:
Aerodynamics
,
Compressors
,
Rotors
,
Stators
,
Resonance
,
Engineering simulation
,
Impulse (Physics)
,
Industrial design
,
Leakage flows
,
Numerical analysis
Comparison of the Influence Coefficient Method and Travelling Wave Mode Approach for the Calculation of Aerodynamic Damping of Centrifugal Compressors and Axial Turbines
GT 2017; V07BT36A022https://doi.org/10.1115/GT2017-64643
Topics:
Compressors
,
Damping
,
Traveling waves
,
Turbines
,
Engineering simulation
,
Simulation
,
Blades
,
Computation
,
Stress
,
Transients (Dynamics)
Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part II — Mistuned Forced Response Prediction
GT 2017; V07BT36A023https://doi.org/10.1115/GT2017-64647
Topics:
Compressors
,
Rotors
,
Blades
,
Coordinate measuring machines
,
Density
,
Measurement systems
,
Resonance
,
Sensitivity analysis
,
Stators
,
Stress
Numerical Examination of Lock-In Hypothesis of Non-Synchronous Vibration in an Axial Compressor
GT 2017; V07BT36A025https://doi.org/10.1115/GT2017-65244
Topics:
Compressors
,
Locks (Waterways)
,
Vibration
,
Blades
,
Flow (Dynamics)
,
Excitation
,
Simulation
,
Structural response analysis
,
Annulus
,
Diffusion (Physics)