A note on the regularity of reduced models obtained by nonlocal quasi-continuum-like approaches. - Mihai Anitescu; Dan Negrut; Peter Zapol; Anter El-Azab (Math. Program., 2009)

Parallel collision detection of ellipsoids with applications in large scale multibody dynamics. - Arman Pazouki; Hammad Mazhar; Dan Negrut (Math. Comput. Simul., 2012)

Chrono: An Open Source Multi-physics Dynamics Engine. - Alessandro Tasora; Radu Serban; Hammad Mazhar; Arman Pazouki; Daniel Melanz; Jonathan Fleischmann; Michael Taylor; Hiroyuki Sugiyama; Dan Negrut (HPCSE, 2015)

Using Nesterov's Method to Accelerate Multibody Dynamics with Friction and Contact. - Hammad Mazhar; Toby Heyn; Dan Negrut; Alessandro Tasora (ACM Trans. Graph., 2015)

Numerical investigation of microfluidic sorting of microtissues. - Arman Pazouki; Dan Negrut (Comput. Math. Appl., 2016)

Collision-induced scattering of a self-propelled slithering robot. - Jennifer M. Rieser; Perrin E. Schiebel; Arman Pazouki; Feifei Qian; Zachary Goddard; Andrew Zangwill; Dan Negrut; Daniel I. Goldman (CoRR, 2017)

Analysis of a Splitting Approach for the Parallel Solution of Linear Systems on GPU Cards. - Ang Li; Radu Serban; Dan Negrut (SIAM J. Sci. Comput., 2017)

Synchrono: An open-source framework for physics-based simulation of collaborating robots. - Dan Negrut; Radu Serban; Asher Elmquist; Dylan Hatch (SIMPAR, 2018)

Efficient computation of cartilage contact pressures within dynamic simulations of movement. - Colin R. Smith; Kwang Won Choi; Dan Negrut; Darryl G. Thelen (Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2018)

A differential variational approach for handling fluid-solid interaction problems via smoothed particle hydrodynamics. - Hammad Mazhar; Arman Pazouki; Milad Rakhsha; P. Jayakumar; Dan Negrut (J. Comput. Phys., 2018)

Simulation of surface strain in tibiofemoral cartilage during walking for the prediction of collagen fibre orientation. - Milad Rakhsha; Colin R. Smith; Antonio M. Recuero; Scott C. E. Brandon; Michael F. Vignos; Darryl G. Thelen; Dan Negrut (Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2019)

SynChrono: A Scalable, Physics-Based Simulation Platform For Testing Groups of Autonomous Vehicles and/or Robots. - Jay Taves; Asher Elmquist; Aaron Young; Radu Serban; Dan Negrut (IROS, 2020)

Producing 3D Friction Loads by Tracking the Motion of the Contact Point on Bodies in Mutual Contact. - Luning Fang; Dan Negrut (CoRR, 2020)

Methods and Models for Simulating Autonomous Vehicle Sensors. - Asher Elmquist; Dan Negrut (IEEE Trans. Intell. Veh., 2020)

The Role of Physics-Based Simulators in Robotics. - C. Karen Liu; Dan Negrut (Annu. Rev. Control. Robotics Auton. Syst., 2021)

CryptoEmu: An Instruction Set Emulator for Computation Over Ciphers. - Xiaoyang Gong; Dan Negrut (CoRR, 2021)

Constrained multibody kinematics and dynamics in absolute coordinates: a discussion of three approaches to representing rigid body rotation. - A. Kissel; Jay Taves; Dan Negrut (CoRR, 2022)

A software toolkit and hardware platform for investigating and comparing robot autonomy algorithms in simulation and reality. - Asher Elmquist; Aaron Young; Ishaan Mahajan; Kyle Fahey; Abhiraj Dashora; Sriram Ashokkumar; Stefan Caldararu; Victor Freire; Xiangru Xu; Radu Serban; Dan Negrut (CoRR, 2022)

A performance contextualization approach to validating camera models for robot simulation. - Asher Elmquist; Radu Serban; Dan Negrut (CoRR, 2022)

Evaluating a GAN for enhancing camera simulation for robotics. - Asher Elmquist; Radu Serban; Dan Negrut (CoRR, 2022)

ART/ATK: A research platform for assessing and mitigating the sim-to-real gap in robotics and autonomous vehicle engineering. - Asher Elmquist; Aaron Young; Thomas Hansen; Sriram Ashokkumar; Stefan Caldararu; Abhiraj Dashora; Ishaan Mahajan; Harry Zhang; Luning Fang; He Shen; Xiangru Xu; Radu Serban; et al. (CoRR, 2022)

Camera simulation for robot simulation: how important are various camera model components? - Asher Elmquist; Radu Serban; Dan Negrut (CoRR, 2022)

A consistent multiphase flow model with a generalized particle shifting scheme resolved via incompressible SPH. - Lijing Yang 003; Milad Rakhsha; Wei Hu; Dan Negrut (J. Comput. Phys., 2022)

Using simulation to design an MPC policy for field navigation using GPS sensing. - Harry Zhang; Stefan Caldararu; Ishaan Mahajan; Shouvik Chatterjee; Thomas Hansen; Abhiraj Dashora; Sriram Ashokkumar; Luning Fang; Xiangru Xu; Shen He; Dan Negrut (CoRR, 2023)

Using a Bayesian-Inference Approach to Calibrating Models for Simulation in Robotics. - Huzaifa Mustafa Unjhawala; Ruochun Zhang; Wei Hu; Jinlong Wu; Radu Serban; Dan Negrut (CoRR, 2023)

Zero-Shot Policy Transferability for the Control of a Scale Autonomous Vehicle. - Harry Zhang; Stefan Caldararu; Sriram Ashokkumar; Ishaan Mahajan; Aaron Young; Alexis Ruiz; Huzaifa Mustafa Unjhawala; Luning Bakke; Dan Negrut (CoRR, 2023)

POLAR3D: Augmenting NASA's POLAR Dataset for Data-Driven Lunar Perception and Rover Simulation. - Bo-Hsun Chen; Peter Negrut; Thomas Liang; Nevindu Batagoda; Harry Zhang; Dan Negrut (CoRR, 2023)

Improving the Scalability of GPU Synchronization Primitives. - Preyesh Dalmia; Rohan Mahapatra; Jeremy Intan; Dan Negrut; Matthew D. Sinclair (IEEE Trans. Parallel Distributed Syst., 2023)

An Expeditious and Expressive Vehicle Dynamics Model for Applications in Controls and Reinforcement Learning. - Huzaifa Mustafa Unjhawala; Thomas Hansen; Harry Zhang; Stefan Caldraru; Shouvik Chatterjee; Luning Bakke; Jinlong Wu; Radu Serban; Dan Negrut (IEEE Access, 2024)

Quantifying the Sim2real Gap for GPS and IMU Sensors. - Ishaan Mahajan; Huzaifa Mustafa Unjhawala; Harry Zhang; Zhenhao Zhou; Aaron Young; Alexis Ruiz; Stefan Caldararu; Nevindu Batagoda; Sriram Ashokkumar; Dan Negrut (CoRR, 2024)

A Study on the Use of Simulation in Synthesizing Path-Following Control Policies for Autonomous Ground Robots. - Harry Zhang; Stefan Caldararu; Aaron Young; Alexis Ruiz; Huzaifa Mustafa Unjhawala; Ishaan Mahajan; Sriram Ashokkumar; Nevindu Batagoda; Zhenhao Zhou; Luning Bakke; Dan Negrut (CoRR, 2024)

Human-Machine Interaction in Automated Vehicles: Reducing Voluntary Driver Intervention. - Xinzhi Zhong; Yang Zhou; Varshini Kamaraj; Zhenhao Zhou; Wissam Kontar; Dan Negrut; John D. Lee; Soyoung Ahn (CoRR, 2024)

Using physics-based simulation towards eliminating empiricism in extraterrestrial terramechanics applications. - Wei Hu; Pei Li; Arno Rogg; Alexander Schepelmann; Colin Creager; Samuel Chandler; Ken Kamrin; Dan Negrut (CoRR, 2024)

MBD-NODE: Physics-informed data-driven modeling and simulation of constrained multibody systems. - Jingquan Wang; Shu Wang; Huzaifa Mustafa Unjhawala; Jinlong Wu; Dan Negrut (CoRR, 2024)

Using high-fidelity discrete element simulation to calibrate an expeditious terramechanics model in a multibody dynamics framework. - Yuemin Zhang 002; Junpeng Dai; Wei Hu; Dan Negrut (CoRR, 2024)

SimBench: A Rule-Based Multi-Turn Interaction Benchmark for Evaluating an LLM's Ability to Generate Digital Twins. - Jingquan Wang; Harry Zhang; Huzaifa Mustafa Unjhawala; Peter Negrut; Shu Wang; Khailanii Slaton; Radu Serban; Jinlong Wu; Dan Negrut (CoRR, 2024)

Enhancing Autonomous Navigation by Imaging Hidden Objects using Single-Photon LiDAR. - Aaron Young; Nevindu Batagoda; Harry Zhang; Akshat Dave; Adithya Pediredla; Dan Negrut; Ramesh Raskar (CoRR, 2024)

A physics-based sensor simulation environment for lunar ground operations. - Nevindu Batagoda; Bo-Hsun Chen; Harry Zhang; Radu Serban; Dan Negrut (CoRR, 2024)

Instance Performance Difference: A Metric to Measure the Sim-To-Real Gap in Camera Simulation. - Bo-Hsun Chen; Dan Negrut (CoRR, 2024)

Chrono DEM-Engine: A Discrete Element Method dual-GPU simulator with customizable contact forces and element shape. - Ruochun Zhang; Bonaventura Tagliafierro; Colin Vanden Heuvel; Shlok Sabarwal; Luning Bakke; Yulong Yue; Xin Wei; Radu Serban; Dan Negrut (Comput. Phys. Commun., 2024)

A Library of Lower Fidelity Dynamics Models (LFDMs) For On-Road Vehicle Dynamics Targeting Faster Than Real-Time Applications. - Huzaifa Mustafa Unjhawala; Ishaan Mahajan; Radu Serban; Dan Negrut (J. Open Source Softw., 2024)

Calibration of an expeditious terramechanics model using a higher-fidelity model, Bayesian inference, and a virtual bevameter test. - Wei Hu; Pei Li; Huzaifa Mustafa Unjhawala; Radu Serban; Dan Negrut (J. Field Robotics, 2024)

A GPU-accelerated simulator for the DEM analysis of granular systems composed of clump-shaped elements. - Ruochun Zhang; Colin Vanden Heuvel; Alexander Schepelmann; Arno Rogg; Dimitrios Apostolopoulos; Samuel Chandler; Radu Serban; Dan Negrut (Eng. Comput., 2024)

ChronoLLM: A Framework for Customizing Large Language Model for Digital Twins generalization based on PyChrono. - Jingquan Wang; Harry Zhang; Khailanii Slaton; Shu Wang; Radu Serban; Jinlong Wu; Dan Negrut (CoRR, 2025)

2024 NSF CSSI-Cybertraining-SCIPE PI Meeting August 12 to 13, 2024, Charlotte, NC. - Abani K. Patra; Mary P. Thomas; Elias Bou-Harb; Jeffrey C. Carver; Yuebin Guo; Ratnesh Kumar; Julien Langou; Guoyu Lu; Vivak Patel; Marianna Safronova; Isla Simpson; Dhruva Chakravorty; et al. (CoRR, 2025)

A Physics-Based Continuum Model for Versatile, Scalable, and Fast Terramechanics Simulation. - Huzaifa Mustafa Unjhawala; Luning Bakke; Harry Zhang; Michael Taylor; Ganesh Arivoli; Radu Serban; Dan Negrut (CoRR, 2025)

DiffPhysCam: Differentiable Physics-Based Camera Simulation for Inverse Rendering and Embodied AI. - Bo-Hsun Chen; Nevindu Batagoda; Dan Negrut (CoRR, 2025)