Real-time wind simulation using locally mesh-refined lattice Boltzmann method

Onodera, Naoyuki

A plume-dispersion simulation of the environmental dynamics of radioactive sub-stances is very important from the viewpoint of nuclear security. Since air-flows in large cities are turbulent with Reynolds numbers of several million, large-scale CFD simulations are needed. We developed a CFD code based on the adaptive mesh-refined Lattice Boltzmann Method (AMR-LBM) on GPU-rich supercomputers. In this presentation, we realize both high-resolution and real-time wind simulations in urban areas on the NVIDIA DGX-2 supercomputer.

Language	:	English
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Meeting title	:	GPU Computing Workshop for Advanced Manufacturing 2019 (GPU 2019)
Held date	:	2019/12
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	GPU; wind simulation; Lattice Boltzmann Method
Research Facility	:	大型計算機・スパコン(東海)
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Registration No. : BB20191750
JAEA Abstracts No. :
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