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SUMMARY:Simulation of Mechanical Process Engineering Applications with the
  DEM  Software ROCKY using the GPU Technology - Clovis Maliska (ESSS)
DTSTART:20190220T150000Z
DTEND:20190220T160000Z
UID:TALK120130@talks.cam.ac.uk
CONTACT:Dr James Dean
DESCRIPTION:Recent and ongoing improvements of the GPU Compute Technology 
 is enabling and expanding the usage of numerical simulation tools in many 
 areas. A prominent example is the Discrete Element Method (DEM) which form
 s the basis of Computational Body Dynamics (CBD)\, where the dynamic behav
 ior of many solid interacting particles or bodies is predicted. In practic
 e\, the method is being used to analyze and improve mechanical process eng
 ineering equipment\, as for example granular material handling. The GPU te
 chnology\,\ncompared to CPU\, allows to run simulations with a much larger
  number of particles in significant shorter time. And\, alternatively\, th
 e increased GPU compute power enables the modelling of discrete elements b
 y faceted geometries. This provides much more flexibility of DEM for the s
 imulation of real shape bodies compared to the common practice where spher
 es or a collection of glued spheres are used.\n\nThe presentation covers t
 wo topics: First\, it summarizes past and ongoing trends of the General-Pu
 rpose GPU technology (GPGPU) and how the benefits of the GPU technology ha
 ve been implemented and used in the development of the DEM program ROCKY. 
 This part also includes a short overview of some relevant\nand unique feat
 ures of the code. Second\, several examples are presented for illustrating
  the productive gain in running on GPU and in modelling real shape bodies.
  The examples cover mechanical process engineering applications\, such as 
 bulk material transport\, sieving and breakage\, pharmaceutical tablet tre
 atment and quality assurance\, manufacturing processes for complex product
 ion parts such as grinding\, and others.\n\nFinally\, an outline is provid
 ed how ROCKY is coupled with FEM and CFD codes to address Multiphysics app
 lications where the interaction with structural analysis and fluid dynamic
 s is important.
LOCATION:JJ Thomson Seminar Room\, Maxwell Centre\, Cavendish Laboratory
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