List of publications:
Tarun De, Jayanta Chakraborty, Jitendra Kumar, Anurag Tripathi, Maitraye Sen, and William Ketterhagen. “A particle location based multi-level coarse-graining technique for discrete element method (DEM) simulation.” Powder Technology, 2022, 398, 117058, DOI: 10.1016/j.powtec.2021.117058.
Scientific significance: Proposed a particle-location-based multi-level coarse-graining technique that enables dynamic use of different coarse-graining ratios and reduces DEM simulation time by approximately one order.
Ashok Das, Tarun De, Gurmeet Kaur, Maksym Dosta, Stefan Heinrich, and Jitendra Kumar. “An efficient multiscale bi-directional PBM-DEM coupling framework to simulate one-dimensional aggregation mechanisms.” Proceedings of the Royal Society A, 2022, 478, 20220076, DOI: 10.1098/rspa.2022.0076.
Scientific significance: Developed a bi-directional PBM-DEM framework in which DEM supplies collision information to PBM and PBM updates the particle size distribution for DEM.
Tarun De, Ashok Das, and Jitendra Kumar. “On the prediction of particle collision behavior in coarse-grained and resolved systems.” Particulate Science and Technology, 2023, 41, 1170, DOI: 10.1080/02726351.2023.2188333.
Scientific significance: Formulated a collision dependency function to predict collision probabilities between different particle-size classes in resolved and coarse-grained DEM systems.
Tarun De, Ashok Das, Mehakpreet Singh, and Jitendra Kumar. “Enhancing efficiency in particle aggregation simulations: Coarse-grained particle modeling in the DEM-PBM coupled framework.” Computer Methods in Applied Mechanics and Engineering, 2023, 417, 116436, DOI: 10.1016/j.cma.2023.116436.
Scientific significance: Introduced coarse-grained particles into the DEM-PBM coupled framework to reduce computational cost while preserving key particle-size-distribution predictions.
Lokeshwar Mahto, Tarun De, Jayanta Chakraborty, Jitendra Kumar, Anurag Tripathi, Maitraye Sen, and William Ketterhagen. “Accelerated DEM simulation of the hopper-screw feeder and tablet-press feeder using the multi-level coarse-graining technique.” Powder Technology, 2024, 436, 119466, DOI: 10.1016/j.powtec.2024.119466.
Scientific significance: Implemented multi-level coarse-graining in dynamic feeder systems using processor mapping, adaptive mesh, and periodic coarse-graining implementation.
Niharika Mehra, Tarun De, Vasyl Skorych, Jitendra Kumar, Jayanta Chakraborty, Anurag Tripathi, and Stefan Heinrich. “Implementation of multi-level coarse-graining method on GPU using MUSEN.” Powder Technology, 2025, 467, 121510, DOI: 10.1016/j.powtec.2025.121510.
Scientific significance: Extended the multi-level coarse-graining method to GPU-based DEM simulations using MUSEN, improving computational efficiency for large-scale particle simulations.
Tarun De, Ashley Dan, Rohit Ramachandran, and Ashok Das. “An adaptive and bi-directional PBM-DEM framework for multi-component wet granulation: Bridging the gap between computational efficiency and high-fidelity model physics.” Powder Technology, 2025, 467, 121507, DOI: 10.1016/j.powtec.2025.121507.
Scientific significance: Developed an adaptive PBM-DEM framework for multi-component wet granulation, combining computational efficiency with high-fidelity particle-scale model physics.
Satyabrata Patro, Tarun De, and Anurag Tripathi. “Rheology of high speed granular flows in presence and absence of air.” EPJ Web of Conferences, 2025, 340, 02025, DOI: 10.1051/epjconf/202534002025.
Scientific significance: Studied the role of air in high-speed granular-flow rheology, contributing to improved understanding of rapid particulate-flow behaviour.
Tarun De, Senthil Kumarasamy, and Pankaj Doshi. “Impact of roll gap and screen size in the post-compaction dynamics of roller compaction and mill system: A DEM study.” EPJ Web of Conferences, 2025, 340, 11001, DOI: 10.1051/epjconf/202534011001.
Scientific significance: Used DEM to analyze how roll gap and screen size influence ribbon breakage, post-compaction dynamics, milling behaviour, and particle-size distribution.