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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
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2023, 18(7): 071001.
Paper No: CND-23-1011
DOI: 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
Click here to open pdf in another window PDF for Hierarchical MPM-ANN Multiscale Terrain Model for High-Fidelity Off-Road Mobility Simulations: A Coupled MBD-FE-MPM-ANN Approach
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
Paper No: DETC2022-89632
DOI: 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
Article Type: Research Papers
J. Auton. Veh. Sys. October 2021, 1(4): 041006.
Paper No: JAVS-21-1023
DOI: 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
Click here to open pdf in another window PDF for Value of Information in Multi-Attribute Decisions With Applications in Ground Vehicle Autonomy
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
Article Type: Research Papers
J. Auton. Veh. Sys. October 2021, 1(4): 041001.
Paper No: JAVS-21-1020
DOI: 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
Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2021, 16(8): 081005.
Paper No: CND-21-1066
DOI: 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

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
Paper No: DETC2020-22195
DOI: 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
Click here to open pdf in another window PDF for Multiscale Off-Road Mobility Simulation With Computational Load Balancing for Lower-Scale Discrete-Element Models
Topics: Mechanical admittance, Roads, Simulation, Stress, Algorithms, Finite element analysis, Modeling, Physics, Soil, Vehicles
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
Paper No: DETC2020-22135
DOI: 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
Paper No: DETC2020-22201
DOI: 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
Paper No: DETC2020-22609
DOI: https://doi.org/10.1115/DETC2020-22609
View Paper titled, Off-Road Vehicle Path Planning Using Geodesics on a Multifactor Terrain Model
Click here to open pdf in another window PDF for Off-Road Vehicle Path Planning Using Geodesics on a Multifactor Terrain Model
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
Paper No: DETC2020-22619
DOI: 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

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
Paper No: DETC2020-22764
DOI: 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)
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
Paper No: DETC2020-22763
DOI: 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
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
Article Type: Research Papers
J. Mech. Des. March 2021, 143(3): 031701.
Paper No: MD-20-1154
DOI: 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
Click here to open pdf in another window PDF for Simulation-Based Mission Mobility Reliability Analysis of Off-Road Ground Vehicles
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
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2020, 15(9): 091007.
Paper No: CND-19-1463
DOI: 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
Click here to open pdf in another window PDF for Parallelized Multiscale Off-Road Vehicle Mobility Simulation Algorithm and Full-Scale Vehicle Validation
Topics: Algorithms, Mechanical admittance, Roads, Simulation, Soil, Tires, Vehicles, Off-road vehicles
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
Paper No: DETC2019-97685
DOI: https://doi.org/10.1115/DETC2019-97685
View Paper titled, Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map
Click here to open pdf in another window PDF for Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map
Topics: Design, Mechanical admittance, Optimization, Roads, Testing, Uncertainty, Soil, Vehicles, Errors, Modeling
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
Paper No: DETC2019-97920
DOI: https://doi.org/10.1115/DETC2019-97920
View Paper titled, Vehicle-Terrain Interaction Simulation With Parallelized Multiscale Moving Soil Patch Model
Click here to open pdf in another window PDF for Vehicle-Terrain Interaction Simulation With Parallelized Multiscale Moving Soil Patch Model
Topics: Simulation, Soil, Vehicles, Tires, Dynamics (Mechanics), Mechanical admittance, Physics, Roads, Simulation models, Displacement
Journal Articles

Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map Using a Bayesian Approach

Zhen Hu, Zissimos P. Mourelatos, David Gorsich, Paramsothy Jayakumar, Monica Majcher
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. February 2020, 142(2): 021402.
Paper No: MD-19-1188
DOI: https://doi.org/10.1115/1.4044111
Published Online: October 16, 2019
View Article titled, Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map Using a Bayesian Approach
Click here to open pdf in another window PDF for Testing Design Optimization for Uncertainty Reduction in Generating Off-Road Mobility Map Using a Bayesian Approach
Topics: Mechanical admittance, Uncertainty, Testing, Roads, Design
Journal Articles

Tensor Train Accelerated Solvers for Nonsmooth Rigid Body Dynamics

Eduardo Corona, David Gorsich, Paramsothy Jayakumar, Shravan Veerapaneni
Journal: Applied Mechanics Reviews
Article Type: Review Articles
Appl. Mech. Rev. September 2019, 71(5): 050804.
Paper No: AMR-18-1099
DOI: https://doi.org/10.1115/1.4043324
Published Online: September 19, 2019
View Article titled, Tensor Train Accelerated Solvers for Nonsmooth Rigid Body Dynamics
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Topics: Compression, Tensors, Trains, Algorithms
Journal Articles

Understanding the Effects of a Discrete Element Soil Model's Parameters on Ground Vehicle Mobility

Tamer M. Wasfy, Dave Mechergui, Paramsothy Jayakumar
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2019, 14(7): 071003.
Paper No: CND-18-1053
DOI: https://doi.org/10.1115/1.4043084
Published Online: April 16, 2019
View Article titled, Understanding the Effects of a Discrete Element Soil Model's Parameters on Ground Vehicle Mobility
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Topics: Discrete element methods, Mechanical admittance, Particulate matter, Soil, Vehicles, Friction, Cohesion
Journal Articles

Hierarchical Multiscale Modeling of Tire–Soil Interaction for Off-Road Mobility Simulation

Hiroki Yamashita, Guanchu Chen, Yeefeng Ruan, Paramsothy Jayakumar, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. June 2019, 14(6): 061007.
Paper No: CND-18-1502
DOI: https://doi.org/10.1115/1.4042510
Published Online: April 8, 2019
View Article titled, Hierarchical Multiscale Modeling of Tire–Soil Interaction for Off-Road Mobility Simulation
Click here to open pdf in another window PDF for Hierarchical Multiscale Modeling of Tire–Soil Interaction for Off-Road Mobility Simulation
Topics: Simulation, Soil, Tires, Mechanical admittance, Roads, Stress, Particulate matter