Thermo-Mechanical Modelling of Granular Materials With Non-spherical Particle Shape
Technical Report,20 Dec 2016,19 Dec 2017
COMMONWEALTH SCIENTIFIC AND INUSTRIAL RESEARCH ORGANISATION CABERRA Australia
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In this grant a new capability to model heat transfer through granular materials with non-spherical shape has been developed. This has involved creating a new body-fitted grid solver designed to simulate intra-particle heat conduction through super-quadric SQ particles, coupling this new solver to a traditional Discrete Element Method DEM solver which simulates inter-particle collisions and implementing these coupled solvers on a hybrid CPUGPU architecture for maximum computational efficiency. A 14-fold speed-up was noted in using the hybrid CPUGPU architecture versus running purely on the CPU. This suggests that the use of hybrid CPUGPU architectures is promising for the simulation of intra-body heat transfer in granular materials with non-spherical shape. Future work will involve applying this capability to study heat conduction in more realistic granular materials which will have impact in a variety of applications ranging from multi-phase reactors, catalytic processes and explosives.
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