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Proceedings Papers

Hybrid Least Squares Finite Element Methods for Reissner-Mindlin Plates

Lonny L. Thompson, Yuhuan Tong
Proc. ASME. IMECE99, Noise Control and Acoustics, 77-89, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0185
https://doi.org/10.1115/IMECE1999-0185
View Paper titled, Hybrid Least Squares Finite Element Methods for Reissner-Mindlin Plates
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Topics: Finite element methods, Plates (structures), Waves, Dispersion relations, Finite element analysis, Design, Equations of motion, Errors, Shear (Mechanics), Steady state
Proceedings Papers

Asymptotic and Exact Radiation Boundary Conditions for Time-Dependent Scattering

Lonny L. Thompson, Runnong Huan
Proc. ASME. IMECE99, Noise Control and Acoustics, 511-521, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0236
https://doi.org/10.1115/IMECE1999-0236
View Paper titled, Asymptotic and Exact Radiation Boundary Conditions for Time-Dependent Scattering
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Topics: Boundary-value problems, Electromagnetic scattering, Radiation (Physics), Radiation scattering, Scattering (Physics), Finite element methods, Approximation, Dimensions, Engineering simulation, Finite element analysis
Proceedings Papers

Finite Element Formulation of Exact Dirichlet-to-Neumann Radiation Conditions on Elliptic and Spheroidal Boundaries

Lonny L. Thompson, Runnong Huan, Cristian Ianculescu
Proc. ASME. IMECE99, Noise Control and Acoustics, 497-509, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0235
https://doi.org/10.1115/IMECE1999-0235
View Paper titled, Finite Element Formulation of Exact Dirichlet-to-Neumann Radiation Conditions on Elliptic and Spheroidal Boundaries
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Topics: Finite element analysis, Radiation (Physics), Boundary-value problems, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Dimensions, Finite element methods, Waves
Proceedings Papers

Domain Decomposition Methods With Frequency Band Interpolation for Computational Acoustics

Lonny L. Thompson, Limin Zhang, Robert P. Ingel
Proc. ASME. IMECE2001, Noise Control and Acoustics, 289-303, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/NCA-23532
https://doi.org/10.1115/IMECE2001/NCA-23532
View Paper titled, Domain Decomposition Methods With Frequency Band Interpolation for Computational Acoustics
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Topics: Acoustics, Electromagnetic spectrum, Interpolation, Dispersion relations, Waves
Proceedings Papers

Dispersion Analysis of Stabilized Finite Element Methods for Acoustic Fluid-Structure Interaction

Lonny L. Thompson, Sridhar Sankar
Proc. ASME. IMECE2000, Noise Control and Acoustics, 39-50, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1592
https://doi.org/10.1115/IMECE2000-1592
View Paper titled, Dispersion Analysis of Stabilized Finite Element Methods for Acoustic Fluid-Structure Interaction
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Topics: Acoustics, Finite element methods, Fluid structure interaction, Fluids, Finite element analysis, Plates (structures), Dispersion relations, Waves, Approximation, Design
Proceedings Papers

Implementation of Local, High-Order Accurate Boundary Conditions for Time-Dependent Acoustic Scattering

Lonny L. Thompson, Dantong He, Runnong Huan
Proc. ASME. IMECE2000, Noise Control and Acoustics, 27-37, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1591
https://doi.org/10.1115/IMECE2000-1591
View Paper titled, Implementation of Local, High-Order Accurate Boundary Conditions for Time-Dependent Acoustic Scattering
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Topics: Acoustics, Boundary-value problems, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Finite element analysis, Algorithms, Finite element methods, Radiation (Physics)
Proceedings Papers

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

Lonny L. Thompson
Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 49-64, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0395
https://doi.org/10.1115/DETC1995-0395
View Paper titled, A Multi-Field Space-Time Finite Element Method for Structural Acoustics
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Topics: Finite element methods, Spacetime, Structural acoustics, Acoustics, Electromagnetic scattering, Radiation (Physics), Radiation scattering, Scattering (Physics), Computational fluid dynamics, Dimensions
Proceedings Papers

Implementation of Non-Reflecting Boundaries in a Space-Time Finite Element Method for Structural Acoustics

Lonny L. Thompson
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT14A008, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-3841
https://doi.org/10.1115/DETC97/VIB-3841
View Paper titled, Implementation of Non-Reflecting Boundaries in a Space-Time Finite Element Method for Structural Acoustics
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Topics: Finite element methods, Spacetime, Structural acoustics, Acoustics, Boundary-value problems, Electromagnetic scattering, Finite element analysis, Fluids, Modeling, Radiation scattering
Journal Articles

Design Optimization of Honeycomb Core Sandwich Panels for Maximum Sound Transmission Loss

Rohan Galgalikar, Lonny L. Thompson
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2016, 138(5): 051005.
Paper No: VIB-15-1339
https://doi.org/10.1115/1.4033459
Published Online: May 27, 2016
View Article titled, Design Optimization of Honeycomb Core Sandwich Panels for Maximum Sound Transmission Loss
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Topics: Design, Honeycomb structures, Optimization
Proceedings Papers

Optimization of a Non-Pneumatic Tire for Reduced Rolling Resistance

Mallikarjun Veeramurthy, Jaehyung Ju, Lonny L. Thompson, Joshua D. Summers
Proc. ASME. IDETC-CIE2011, Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies, 861-868, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48730
https://doi.org/10.1115/DETC2011-48730
View Paper titled, Optimization of a Non-Pneumatic Tire for Reduced Rolling Resistance
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Topics: Experimental design, Optimization, Rolling friction, Tires
Proceedings Papers

Topology and Free Size Optimization With Manufacturing Constraints for Light Weight Die Cast Automotive Backrest Frame

Sreeram Polavarapu, Lonny L. Thompson, Mica Grujicic
Proc. ASME. IMECE2009, Volume 13: New Developments in Simulation Methods and Software for Engineering Applications; Safety Engineering, Risk Analysis and Reliability Methods; Transportation Systems, 641-655, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-10823
https://doi.org/10.1115/IMECE2009-10823
View Paper titled, Topology and Free Size Optimization With Manufacturing Constraints for Light Weight Die Cast Automotive Backrest Frame
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Topics: Manufacturing, Optimization, Topology, Weight (Mass), Stress, Design, Shells, Deflection, Solid models, Automotive seats
Proceedings Papers

On the Effects of Edge Scalloping for Collapsible Spokes in a Non-Pneumatic Wheel During High Speed Rolling

Maya Ramachandran, Shashank Bezgam, Lonny L. Thompson, John C. Ziegert, Timothy B. Rhyne, Steven M. Cron
Proc. ASME. IMECE2009, Volume 13: New Developments in Simulation Methods and Software for Engineering Applications; Safety Engineering, Risk Analysis and Reliability Methods; Transportation Systems, 685-697, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-11342
https://doi.org/10.1115/IMECE2009-11342
View Paper titled, On the Effects of Edge Scalloping for Collapsible Spokes in a Non-Pneumatic Wheel During High Speed Rolling
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Topics: Wheels, Acoustics, Vibration, Design, Noise (Sound), Shear (Mechanics), Excitation, Finite element model, Frequency response, Mechanical admittance
Proceedings Papers

Exact Solution of Time History Response for Dynamic Systems With Arbitrary Viscous Damping Using Complex Modal Analysis

Lonny L. Thompson, Manoj Kumar M. Chinnakonda
Proc. ASME. IMECE2007, Volume 12: New Developments in Simulation Methods and Software for Engineering Applications, 153-163, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43231
https://doi.org/10.1115/IMECE2007-43231
View Paper titled, Exact Solution of Time History Response for Dynamic Systems With Arbitrary Viscous Damping Using Complex Modal Analysis
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Topics: Damping, Dynamic systems, Modal analysis, Interpolation, Eigenvalues, Errors, Linear dynamic system
Proceedings Papers

Parallel Iterative Methods for the Helmholtz Equation With Exact Nonreflecting Boundaries

Cristian Ianculescu, Lonny L. Thompson
Proc. ASME. IMECE2002, Noise Control and Acoustics, 69-77, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32744
https://doi.org/10.1115/IMECE2002-32744
View Paper titled, Parallel Iterative Methods for the Helmholtz Equation With Exact Nonreflecting Boundaries
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Topics: Iterative methods, Acoustics, Architecture, Boundary-value problems, Electromagnetic scattering, Radiation (Physics), Radiation scattering, Scattering (Physics)
Proceedings Papers

Adaptive Time-Discontinuous Galerkin Methods for Acoustic Scattering in Unbounded Domains

Lonny L. Thompson, Dantong He
Proc. ASME. IMECE2002, Noise Control and Acoustics, 51-67, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32737
https://doi.org/10.1115/IMECE2002-32737
View Paper titled, Adaptive Time-Discontinuous Galerkin Methods for Acoustic Scattering in Unbounded Domains
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Topics: Acoustics, Electromagnetic scattering, Galerkin method, Radiation scattering, Scattering (Physics), Spacetime, Algebra, Algorithms, Boundary-value problems, Damping
Proceedings Papers

Parallel Iterative Finite Element Solution Methods for Three-Dimensional Acoustic Scattering

Cristian Ianculescu, Lonny L. Thompson
Proc. ASME. IMECE2003, Noise Control and Acoustics, 107-118, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-55266
https://doi.org/10.1115/IMECE2003-55266
View Paper titled, Parallel Iterative Finite Element Solution Methods for Three-Dimensional Acoustic Scattering
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Topics: Acoustics, Electromagnetic scattering, Finite element analysis, Radiation scattering, Scattering (Physics), Boundary-value problems, Finite element methods, Underwater vehicles, Ships
Proceedings Papers

Local Space-Time Adaptive Discontinuous Galerkin Finite Element Methods for Time-Dependent Waves

Lonny L. Thompson, Dantong He
Proc. ASME. IMECE2003, Noise Control and Acoustics, 81-95, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-42542
https://doi.org/10.1115/IMECE2003-42542
View Paper titled, Local Space-Time Adaptive Discontinuous Galerkin Finite Element Methods for Time-Dependent Waves
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Topics: Finite element methods, Spacetime, Waves, Slabs, Errors, Acoustics, Approximation, Boundary-value problems, Dimensions, Mesh generation
Proceedings Papers

HP-Adaptive Time-Discontinuous Galerkin Finite Element Methods for Time-Dependent Waves

Sethuramalingam Subbarayalu, Lonny L. Thompson
Proc. ASME. IMECE2004, Noise Control and Acoustics, 245-256, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-60403
https://doi.org/10.1115/IMECE2004-60403
View Paper titled, HP-Adaptive Time-Discontinuous Galerkin Finite Element Methods for Time-Dependent Waves
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Topics: Approximation, Degrees of freedom, Errors, Finite element methods, Galerkin method, Polynomials, Waves
Proceedings Papers

A Residual Based Variational Method for Reducing Dispersion Error in Finite Element Methods

Lonny L. Thompson, Prapot Kunthong
Proc. ASME. IMECE2005, Noise Control and Acoustics, 29-40, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80551
https://doi.org/10.1115/IMECE2005-80551
View Paper titled, A Residual Based Variational Method for Reducing Dispersion Error in Finite Element Methods
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Topics: Errors, Finite element methods, Variational techniques, Waves, Galerkin method, Stiffness, Wave equations
Proceedings Papers

Stabilized Time-Discontinuous Galerkin Methods With Applications to Structural Acoustics

Lonny L. Thompson, Prapot Kunthong
Proc. ASME. IMECE2006, Noise Control and Acoustics, 31-40, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-15753
https://doi.org/10.1115/IMECE2006-15753
View Paper titled, Stabilized Time-Discontinuous Galerkin Methods With Applications to Structural Acoustics
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Topics: Galerkin method, Structural acoustics, Algorithms, Stability, Approximation, Equations of motion, Frequency response, Resolution (Optics), Scalars, Transients (Dynamics)