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http://dx.doi.org/10.3795/KSME-A.2014.38.7.751

Comparison of GPU-Based Numerous Particles Simulation and Experiment  

Park, Sang Wook (Graduate School of Mechatronics Engineering, Pukyong Nat'l Univ.)
Jun, Chul Woong (Graduate School of Mechatronics Engineering, Pukyong Nat'l Univ.)
Sohn, Jeong Hyun (Department of Mechanical and Automotive Engineering, Pukyong Nat'l Univ.)
Lee, Jae Wook (Ultimate Manufacturing Technology R&BD Group, Korea Institute of Industrial Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.38, no.7, 2014 , pp. 751-756 More about this Journal
Abstract
The dynamic behavior of numerous grains interacting with each other can be easily observed. In this study, this dynamic behavior was analyzed based on the contact between numerous grains. The discrete element method was used for analyzing the dynamic behavior of each particle and the neighboring-cell algorithm was employed for detecting their contact. The Hertzian and tangential sliding friction contact models were used for calculating the contact force acting between the particles. A GPU-based parallel program was developed for conducting the computer simulation and calculating the numerous contacts. The dam break experiment was performed to verify the simulation results. The reliability of the program was verified by comparing the results of the simulation with those of the experiment.
Keywords
Discrete Element Method; Contact; Dam-Break; Parallel Programming; Particle Dynamics;
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