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Journal Articles

Modeling of Vehicle Mobility in Shallow Water With Data-Driven Hydrodynamics Model

Hiroki Yamashita, Juan Ezequiel Martin, Nathan Tison, Arkady Grunin, Paramsothy Jayakumar, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2024, 19(7): 071010.
Paper No: CND-23-1281
https://doi.org/10.1115/1.4064971
Published Online: May 14, 2024
View Article titled, Modeling of Vehicle Mobility in Shallow Water With Data-Driven Hydrodynamics Model
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Topics: Computational fluid dynamics, Hydrodynamics, Mechanical admittance, Simulation, Vehicles, Water, Stress
Proceedings Papers

Complex Terramechanics for Mobility Assessment Part 2: Efficiency Through a Simple Terramechanics Representation

Joseph Little, Chris Coker, Ben Thornton, Eric Pesheck, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2023, Volume 10: 19th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V010T10A020, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117161
https://doi.org/10.1115/DETC2023-117161
View Paper titled, Complex Terramechanics for Mobility Assessment Part 2: Efficiency Through a Simple Terramechanics Representation
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Topics: Discrete element methods, Mechanical admittance, Vehicles
Proceedings Papers

Predicting Vehicle Motion in Shallow Water with Data-Driven Hydrodynamics Model

Hiroki Yamashita, Juan E. Martin, Hiroyuki Sugiyama, Nathan Tison, Arkady Grunin, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2023, Volume 10: 19th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V010T10A017, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-115254
https://doi.org/10.1115/DETC2023-115254
View Paper titled, Predicting Vehicle Motion in Shallow Water with Data-Driven Hydrodynamics Model
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Topics: Hydrodynamics, Vehicles, Water, Mechanical admittance, Stress, Artificial neural networks, Computational fluid dynamics, Fluid-dynamic forces, Transients (Dynamics)
Proceedings Papers

A Combined Simple/Complex Terramechanics Representation Part 1: Using Machine Learning to Identify DEM Soil Properties From Bevameter Test Data

Ben Thornton, Eric Pesheck, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2023, Volume 10: 19th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V010T10A019, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117123
https://doi.org/10.1115/DETC2023-117123
View Paper titled, A Combined Simple/Complex Terramechanics Representation Part 1: Using Machine Learning to Identify DEM Soil Properties From Bevameter Test Data
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Topics: Discrete element methods, Machine learning, Mechanical admittance, Pareto optimization, Soil
Journal Articles

Hierarchical MPM-ANN Multiscale Terrain Model for High-Fidelity Off-Road Mobility Simulations: A Coupled MBD-FE-MPM-ANN Approach

Guanchu Chen, Hiroki Yamashita, Yeefeng Ruan, Paramsothy Jayakumar, David Gorsich, Jaroslaw Knap, Kenneth W. Leiter, Xiaobo Yang, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2023, 18(7): 071001.
Paper No: CND-23-1011
https://doi.org/10.1115/1.4062204
Published Online: April 6, 2023
View Article titled, Hierarchical MPM-ANN Multiscale Terrain Model for High-Fidelity Off-Road Mobility Simulations: A Coupled MBD-FE-MPM-ANN Approach
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Topics: Artificial neural networks, Mechanical admittance, Roads, Simulation, Soil, Tires, Vehicles
Proceedings Papers

Modeling Large Deformable Terrain With Material Point Method for Off-Road Mobility Simulation

Guanchu Chen, Hiroki Yamashita, Hiroyuki Sugiyama, Yeefeng Ruan, Paramsothy Jayakumar, David Gorsich, Kenneth W. Leiter, Jaroslaw Knap, Xiaobo Yang
Proc. ASME. IDETC-CIE2022, Volume 9: 18th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A013, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89632
https://doi.org/10.1115/DETC2022-89632
View Paper titled, Modeling Large Deformable Terrain With Material Point Method for Off-Road Mobility Simulation
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Topics: Mechanical admittance, Modeling, Roads, Simulation, Deformation, Soil, Contact modeling, Finite element analysis, Granular materials, Particulate matter
Journal Articles

Value of Information in Multi-Attribute Decisions With Applications in Ground Vehicle Autonomy

Sam Kassoumeh, Vijitashwa Pandey, David Gorsich, Paramsothy Jayakumar
Journal: Journal of Autonomous Vehicles and Systems
Publisher: ASME
Article Type: Research Papers
J. Auton. Veh. Sys. October 2021, 1(4): 041006.
Paper No: JAVS-21-1023
https://doi.org/10.1115/1.4054125
Published Online: April 26, 2022
View Article titled, Value of Information in Multi-Attribute Decisions With Applications in Ground Vehicle Autonomy
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Topics: Autonomous vehicles, Design, Numerical analysis, Preferences, Risk, Simulation, Uncertainty, Vehicles, Decision making, Gaussian distribution
Journal Articles

Real-Time Trajectory Planning for Automated Vehicle Safety and Performance in Dynamic Environments

Huckleberry Febbo, Paramsothy Jayakumar, Jeffrey L. Stein, Tulga Ersal
Journal: Journal of Autonomous Vehicles and Systems
Publisher: ASME
Article Type: Research Papers
J. Auton. Veh. Sys. October 2021, 1(4): 041001.
Paper No: JAVS-21-1020
https://doi.org/10.1115/1.4053243
Published Online: December 30, 2021
View Article titled, Real-Time Trajectory Planning for Automated Vehicle Safety and Performance in Dynamic Environments
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Topics: Safety, Trajectories (Physics), Vehicles, Autonomous vehicles
Journal Articles

Enhancing Hierarchical Multiscale Off-Road Mobility Model by Neural Network Surrogate Model

Guanchu Chen, Hiroki Yamashita, Yeefeng Ruan, Paramsothy Jayakumar, Jaroslaw Knap, Kenneth W. Leiter, Xiaobo Yang, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2021, 16(8): 081005.
Paper No: CND-21-1066
https://doi.org/10.1115/1.4051271
Published Online: June 16, 2021
View Article titled, Enhancing Hierarchical Multiscale Off-Road Mobility Model by Neural Network Surrogate Model
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Topics: Artificial neural networks, Mechanical admittance, Roads, Simulation, Soil, Tires, Vehicles, Stress
Proceedings Papers

A Sequential Calibration and Validation Framework for Model Parameter Updating and Bias Correction

Chen Jiang, Yixuan Liu, Zhen Hu, Zissimos P. Mourelatos, David Gorsich, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A038, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22135
https://doi.org/10.1115/DETC2020-22135
View Paper titled, A Sequential Calibration and Validation Framework for Model Parameter Updating and Bias Correction
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Topics: Calibration, Model validation, Computers, Engineering design, Filters, Modeling, Physics, Simulation
Proceedings Papers

Mission Mobility Reliability Analysis of Off-Road Ground Vehicles

Yixuan Liu, Chen Jiang, Zhen Hu, Zissimos P. Mourelatos, Yan Fu, David Gorsich, Paramsothy Jayakumar, Monica Majcher
Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A044, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22201
https://doi.org/10.1115/DETC2020-22201
View Paper titled, Mission Mobility Reliability Analysis of Off-Road Ground Vehicles
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Topics: Event history analysis, Mechanical admittance, Roads, Vehicles, Reliability, Simulation, Uncertainty, Modeling, Decision making, Soil
Proceedings Papers

Off-Road Vehicle Path Planning Using Geodesics on a Multifactor Terrain Model

Dakota Barthlow, Vijitashwa Pandey, David Gorsich, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A047, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22609
https://doi.org/10.1115/DETC2020-22609
View Paper titled, Off-Road Vehicle Path Planning Using Geodesics on a Multifactor Terrain Model
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Topics: Off-road vehicles, Path planning, Mechanical admittance, Modeling, Algorithms, Composite materials, Vehicles, Energy consumption, Gates (Closures), Geometry
Proceedings Papers

Utility Function Derived Off-Road Vehicle Path Planning

Vijitashwa Pandey, Christopher Slon, Calahan Mollan, Dakota Barthlow, David Gorsich, Paramsothy Jayakumar
Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A048, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22619
https://doi.org/10.1115/DETC2020-22619
View Paper titled, Utility Function Derived Off-Road Vehicle Path Planning
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Topics: Off-road vehicles, Path planning, Vehicles, Navigation, Algorithms, Feedback, Optimization, Physics, Preferences, Roads
Proceedings Papers

Validation of a High-Fidelity Finite Element Tire Model on Pavement

Tamer Wasfy, Hatem Wasfy, Paramsothy Jayakumar, Srinivas Sanikommu
Proc. ASME. IDETC-CIE2020, Volume 4: 22nd International Conference on Advanced Vehicle Technologies (AVT), V004T04A022, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22763
https://doi.org/10.1115/DETC2020-22763
View Paper titled, Validation of a High-Fidelity Finite Element Tire Model on Pavement
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Topics: Finite element analysis, Pavement, Tires, Bricks, Stress, Belts, Coulombs, Deflection, Friction, Modeling
Proceedings Papers

Multiscale Off-Road Mobility Simulation With Computational Load Balancing for Lower-Scale Discrete-Element Models

Guanchu Chen, Hiroki Yamashita, Yeefeng Ruan, Paramsothy Jayakumar, Hiroyuki Sugiyama
Proc. ASME. IDETC-CIE2020, Volume 2: 16th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V002T02A022, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22195
https://doi.org/10.1115/DETC2020-22195
View Paper titled, Multiscale Off-Road Mobility Simulation With Computational Load Balancing for Lower-Scale Discrete-Element Models
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Topics: Mechanical admittance, Roads, Simulation, Stress, Algorithms, Finite element analysis, Modeling, Physics, Soil, Vehicles
Proceedings Papers

Finite Element Model for Prediction of Ground Vehicle Mobility Over Vegetation Covered Terrains

Tamer Wasfy, Hatem Wasfy, Paramsothy Jayakumar, Srinivas Sanikommu
Proc. ASME. IDETC-CIE2020, Volume 2: 16th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V002T02A024, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22764
https://doi.org/10.1115/DETC2020-22764
View Paper titled, Finite Element Model for Prediction of Ground Vehicle Mobility Over Vegetation Covered Terrains
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Topics: Finite element model, Mechanical admittance, Vehicles, Finite element analysis, Aerodynamics, Fluid-dynamic forces, Friction, Fuel consumption, Multibody dynamics, Shear (Mechanics)
Journal Articles

Simulation-Based Mission Mobility Reliability Analysis of Off-Road Ground Vehicles

Yixuan Liu, Chen Jiang, Zissimos P. Mourelatos, David Gorsich, Paramsothy Jayakumar, Yan Fu, Monica Majcher, Zhen Hu
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2021, 143(3): 031701.
Paper No: MD-20-1154
https://doi.org/10.1115/1.4048314
Published Online: October 9, 2020
View Article titled, Simulation-Based Mission Mobility Reliability Analysis of Off-Road Ground Vehicles
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Topics: Mechanical admittance, Vehicles, Simulation, Soil, Roads, Reliability, Event history analysis, Uncertainty, Modeling
Journal Articles

Parallelized Multiscale Off-Road Vehicle Mobility Simulation Algorithm and Full-Scale Vehicle Validation

Hiroki Yamashita, Guanchu Chen, Yeefeng Ruan, Paramsothy Jayakumar, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2020, 15(9): 091007.
Paper No: CND-19-1463
https://doi.org/10.1115/1.4046666
Published Online: July 16, 2020
View Article titled, Parallelized Multiscale Off-Road Vehicle Mobility Simulation Algorithm and Full-Scale Vehicle Validation
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Topics: Algorithms, Mechanical admittance, Roads, Simulation, Soil, Tires, Vehicles, Off-road vehicles
Proceedings Papers

Vehicle-Terrain Interaction Simulation With Parallelized Multiscale Moving Soil Patch Model

Hiroki Yamashita, Guanchu Chen, Yeefeng Ruan, Paramsothy Jayakumar, Hiroyuki Sugiyama
Proc. ASME. IDETC-CIE2019, Volume 6: 15th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A040, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97920
https://doi.org/10.1115/DETC2019-97920
View Paper titled, Vehicle-Terrain Interaction Simulation With Parallelized Multiscale Moving Soil Patch Model
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Topics: Simulation, Soil, Vehicles, Tires, Dynamics (Mechanics), Mechanical admittance, Physics, Roads, Simulation models, Displacement
Proceedings Papers

Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map

Zhen Hu, Zissimos P. Mourelatos, David Gorsich, Paramsothy Jayakumar, Monica Majcher
Proc. ASME. IDETC-CIE2019, Volume 2B: 45th Design Automation Conference, V02BT03A041, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97685
https://doi.org/10.1115/DETC2019-97685
View Paper titled, Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map
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Topics: Design, Mechanical admittance, Optimization, Roads, Testing, Uncertainty, Soil, Vehicles, Errors, Modeling