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Proceedings Papers

Simulation of the Noise Radiated From an Operating Diesel Engine

Nickolas Vlahopoulos, Yury Kalish, Richard D. Stark, III

Proc. ASME. IMECE97, Noise Control and Acoustics, 279-284, November 16–21, 1997

Paper No: IMECE1997-1054

DOI: https://doi.org/10.1115/IMECE1997-1054

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Topics: Diesel engines, Noise (Sound), Simulation, Vibration, Design, Acoustics, Boundary element methods, Boundary-value problems, Engines, Excitation

Proceedings Papers

A Formulation of Unequal Impedance Boundary Conditions in Boundary Element Acoustics

Nickolas Vlahopoulos, S. T. Raveendra

Proc. ASME. IMECE97, Noise Control and Acoustics, 337-342, November 16–21, 1997

Paper No: IMECE1997-1062

DOI: https://doi.org/10.1115/IMECE1997-1062

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Topics: Acoustics, Boundary element methods, Boundary-value problems, Computer simulation, Computers, Engines, Modeling, Noise (Sound), Space

Proceedings Papers

High Frequency Vibration Analysis Performed by a Statistical Energy Analysis Formulation and an Energy Finite Element Formulation

Nickolas Vlahopoulos, Luis Octavio Garza-Rios, Richard K. Nelson

Proc. ASME. IMECE98, Noise Control and Acoustics, 355-364, November 15–20, 1998

Paper No: IMECE1998-0530

DOI: https://doi.org/10.1115/IMECE1998-0530

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Topics: Finite element analysis, Vibration analysis, Boats, Computer simulation, Design, Seas

Proceedings Papers

A Computational Acoustic Field Reconstruction Process Based on an Indirect Variational Boundary Element Formulation

Zhidong Zhang, Nickolas Vlahopoulos, S. T. Raveendra, T. Allen, K. Y. Zhang

Proc. ASME. IMECE99, Noise Control and Acoustics, 43-50, November 14–19, 1999

Paper No: IMECE1999-0181

DOI: https://doi.org/10.1115/IMECE1999-0181

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Topics: Acoustics, Boundary element methods, Boundary-value problems, Sound pressure, Transfer functions, Pistons, Algorithms, Computation, Manufacturing

Proceedings Papers

A Hybrid Finite Element Method for Calculating the Vibration of Co-Linear Beams in the Mid-Frequency Range

Xi Zhao, Nickolas Vlahopoulos

Proc. ASME. IMECE99, Noise Control and Acoustics, 91-102, November 14–19, 1999

Paper No: IMECE1999-0186

DOI: https://doi.org/10.1115/IMECE1999-0186

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Topics: Finite element methods, Vibration, Finite element analysis, Wavelength, Degrees of freedom, Excitation, Uncertainty

Proceedings Papers

Numerical Prediction of Noise Radiated From a Panel Subjected to Boundary Layer Excitation

Michael Allen, Nickolas Vlahopoulos

Proc. ASME. IMECE99, Noise Control and Acoustics, 67-75, November 14–19, 1999

Paper No: IMECE1999-0184

DOI: https://doi.org/10.1115/IMECE1999-0184

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Topics: Boundary layers, Excitation, Noise (Sound), Acoustics, Pressure, Boundary element methods, Vibration, Aircraft, Algorithms, Automotive industry

Proceedings Papers

Design Optimization Process for Minimizing High Frequency Vibration Based on an Energy Finite Element Formulation

George Borlase, Nickolas Vlahopoulos

Proc. ASME. IMECE99, Noise Control and Acoustics, 51-60, November 14–19, 1999

Paper No: IMECE1999-0182

DOI: https://doi.org/10.1115/IMECE1999-0182

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Topics: Design, Finite element analysis, Optimization, Vibration, Boats, Computer simulation, Damping, Flow charts, Hull, Seas

Proceedings Papers

A Computational Process for Pass-by Noise Simulation

Zhidong Zhang, Nickolas Vlahopoulos, T. Allen, K. Y. Zhang

Proc. ASME. IMECE2001, Noise Control and Acoustics, 135-142, November 11–16, 2001

Paper No: IMECE2001/NCA-23513

DOI: https://doi.org/10.1115/IMECE2001/NCA-23513

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Topics: Noise (Sound), Simulation, Acoustics, Boundary element methods, Vehicles, Algorithms, Computer simulation, Engines, Intake manifolds, Sound pressure

Proceedings Papers

Numerical Probabilistic Analysis of Structural/Acoustic Systems

Michael Allen, Nickolas Vlahopoulos

Proc. ASME. IMECE2001, Noise Control and Acoustics, 143-151, November 11–16, 2001

Paper No: IMECE2001/NCA-23514

DOI: https://doi.org/10.1115/IMECE2001/NCA-23514

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Topics: Acoustics, Finite element analysis, Manufacturing, Probability, Simulation, Boundary element methods, Computation, Density, Uncertainty

Proceedings Papers

A Hybrid Finite Element Formulation for Mid-Frequency Analysis of Systems With Excitation Applied on Short Members

Xi Zhao, Nickolas Vlahopoulos

Proc. ASME. IMECE2000, Noise Control and Acoustics, 101-115, November 5–10, 2000

Paper No: IMECE2000-1597

DOI: https://doi.org/10.1115/IMECE2000-1597

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Topics: Excitation, Finite element analysis, Systems analysis, Finite element methods, Wavelength, Boundary-value problems, Dimensions, Flow (Dynamics), Resonance, Vibration

Proceedings Papers

An Investigation of Power Flow in the Mid-Frequency Range for Systems of Co-Linear Beams Based on a Hybrid Finite Element Formulation

Xi Zhao, Nickolas Vlahopoulos

Proc. ASME. IMECE2000, Noise Control and Acoustics, 81-100, November 5–10, 2000

Paper No: IMECE2000-1596

DOI: https://doi.org/10.1115/IMECE2000-1596

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Topics: Finite element analysis, Flow (Dynamics), Damping, Radiation (Physics), Simulation, Stiffness

Proceedings Papers

A Source Reconstruction Process Based on an Indirect Variational Boundary Element Formulation

Zhidong Zhang, Nickolas Vlahopoulos, T. Allen, K. Y. Zhang

Proc. ASME. IMECE2000, Noise Control and Acoustics, 367-375, November 5–10, 2000

Paper No: IMECE2000-1624

DOI: https://doi.org/10.1115/IMECE2000-1624

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Topics: Boundary element methods, Vibration, Acoustics, Algorithms, Computation, Sound pressure, Transfer functions

Proceedings Papers

A Design Optimization Process Based on an Energy Finite Element Formulation

George Borlase, Nickolas Vlahopoulos, Luis Octavio Garza-Rios

Proc. ASME. DETC99, Volume 7A: 17th Biennial Conference on Mechanical Vibration and Noise, 591-600, September 12–16, 1999

Paper No: DETC99/VIB-8195

DOI: https://doi.org/10.1115/DETC99/VIB-8195

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Topics: Design, Finite element analysis, Optimization, Boats, Computer simulation, Damping, Flow charts, Hull, Seas, Simulation

Proceedings Papers

Structural-Acoustic Simulations of Naval Vehicles Using an Energy Finite Element Method

Nickolas Vlahopoulos

Proc. ASME. IDETC-CIE2011, Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 509-516, August 28–31, 2011

Paper No: DETC2011-47758

DOI: https://doi.org/10.1115/DETC2011-47758

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Topics: Acoustics, Finite element methods, Simulation, Vehicles, Design, Vibration, Hull, Noise (Sound), Ships, Cycles

Proceedings Papers

Multi-Discipline Design of a Wind Turbine

Nickolas Vlahopoulos, Hong Yoon Kim, Kevin Maki, Ricardo Sbragio

Proc. ASME. IDETC-CIE2011, Volume 5: 37th Design Automation Conference, Parts A and B, 291-301, August 28–31, 2011

Paper No: DETC2011-47756

DOI: https://doi.org/10.1115/DETC2011-47756

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Topics: Design, Engineering disciplines, Wind turbines, Blades, Decision making, Geometry, Algorithms, Chords (Trusses), Complex systems, Energy generation

Proceedings Papers

Multidisciplinary Design Optimization of Ship Hull Forms Using Metamodels

Jim He, Shari Hannapel, Nickolas Vlahopoulos

Proc. ASME. IDETC-CIE2011, Volume 5: 37th Design Automation Conference, Parts A and B, 847-856, August 28–31, 2011

Paper No: DETC2011-47761

DOI: https://doi.org/10.1115/DETC2011-47761

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Topics: Design, Hull, Optimization, Ships, Computation, Engineering simulation, Simulation, Computational fluid dynamics, Computer simulation, Engineering disciplines

Proceedings Papers

Probabilistic Main Bearing Performance for an Internal Combustion Engine

Zissimos P. Mourelatos, Nickolas Vlahopoulos, Omidreza Ebrat, Jinghong Liang, Jin Wang

Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 831-840, October 24–27, 2004

Paper No: TRIB2004-64058

DOI: https://doi.org/10.1115/TRIB2004-64058

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Topics: Bearings, Internal combustion engines, Engines, Algorithms, Clearances (Engineering), Cycles, Density, Design, Dynamics (Mechanics), Film thickness

Proceedings Papers

Parametric Design Sensitivity Analysis of High Frequency Structural-Acoustic Problems Using Energy Finite Element Method

Kyung K. Choi, Jun Dong, Nickolas Vlahopoulos, Aimin Wang, Weiguo Zhang

Proc. ASME. IDETC-CIE2003, Volume 2: 29th Design Automation Conference, Parts A and B, 481-493, September 2–6, 2003

Paper No: DETC2003/DAC-48753

DOI: https://doi.org/10.1115/DETC2003/DAC-48753

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Topics: Acoustics, Design sensitivity analysis, Finite element methods, Parametric design, Radiation (Physics), Sensitivity analysis

Proceedings Papers

An Energy Boundary Element Formulation for Predicting the Acoustic Field Around a Vehicle at High Frequencies Due to Airborne Noise Sources

Aimin Wang, Nickolas Vlahopoulos, Jason Zhu, Mike Qian

Proc. ASME. IMECE2003, Transportation: Making Tracks for Tomorrow’s Transportation, 155-161, November 15–21, 2003

Paper No: IMECE2003-55334

DOI: https://doi.org/10.1115/IMECE2003-55334

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Topics: Acoustics, Boundary element methods, Noise (Sound), Vehicles, Acoustic intensity, Density, Boundary-value problems, Integral equations, Shapes, Sound

Proceedings Papers

Probabilistic Analyses for the Performance Characteristics of the Main Bearings in an Operating Engine Due to Variability in Bearing Properties

Jin Wang, Nickolas Vlahopoulos, Zissimos P. Mourelatos, Omidreza Ebrat, Kumar Vaidyanathan

Proc. ASME. IMECE2003, Transportation: Making Tracks for Tomorrow’s Transportation, 145-154, November 15–21, 2003

Paper No: IMECE2003-55330

DOI: https://doi.org/10.1115/IMECE2003-55330

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Topics: Bearings, Engines, Performance characterization, Design, Simulation models, Algorithms, Clearances (Engineering), Cycles, Dynamics (Mechanics), Film thickness

Journal citation

NARROW

Simulation of the Noise Radiated From an Operating Diesel Engine

A Formulation of Unequal Impedance Boundary Conditions in Boundary Element Acoustics

High Frequency Vibration Analysis Performed by a Statistical Energy Analysis Formulation and an Energy Finite Element Formulation

A Computational Acoustic Field Reconstruction Process Based on an Indirect Variational Boundary Element Formulation

A Hybrid Finite Element Method for Calculating the Vibration of Co-Linear Beams in the Mid-Frequency Range

Numerical Prediction of Noise Radiated From a Panel Subjected to Boundary Layer Excitation

Design Optimization Process for Minimizing High Frequency Vibration Based on an Energy Finite Element Formulation

A Computational Process for Pass-by Noise Simulation

Numerical Probabilistic Analysis of Structural/Acoustic Systems

A Hybrid Finite Element Formulation for Mid-Frequency Analysis of Systems With Excitation Applied on Short Members

An Investigation of Power Flow in the Mid-Frequency Range for Systems of Co-Linear Beams Based on a Hybrid Finite Element Formulation

A Source Reconstruction Process Based on an Indirect Variational Boundary Element Formulation

A Design Optimization Process Based on an Energy Finite Element Formulation

Structural-Acoustic Simulations of Naval Vehicles Using an Energy Finite Element Method

Multi-Discipline Design of a Wind Turbine

Multidisciplinary Design Optimization of Ship Hull Forms Using Metamodels

Probabilistic Main Bearing Performance for an Internal Combustion Engine

Parametric Design Sensitivity Analysis of High Frequency Structural-Acoustic Problems Using Energy Finite Element Method

An Energy Boundary Element Formulation for Predicting the Acoustic Field Around a Vehicle at High Frequencies Due to Airborne Noise Sources

Probabilistic Analyses for the Performance Characteristics of the Main Bearings in an Operating Engine Due to Variability in Bearing Properties

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