Numerical simulation and GPU computing for the 2D wave equation with variable coefficient

被引：1
|
作者：
Altybay A. [1 ]
Darkenbayev D. [2 ]
Mekebayev N. [3 ]
机构：
[1] Institute of Mathematics and Mathematical Modeling, Al-Farabi Kazakh National University, Almaty
[2] Department of Computer Science, Al-Farabi Kazakh National University, Almaty
[3] Department of Computer Science, Kazakh National Women’s Pedagogical University, Almaty
来源：
International Journal of Simulation and Process Modelling | 2023年 / 20卷 / 04期
关键词：
CUDA technology; GPU; graphics processing unit; numerical simulation; parallel computing; wave equation;
D O I：
10.1504/IJSPM.2023.138584
中图分类号：
学科分类号：
摘要：
In this paper, we present parallel numerical implementations of a 2D wave equation with a variable coefficient on GPU. We considered wave propagation simulations in shallow water areas caused by underwater movement and performed some numerical simulations at different time steps. The sequential algorithm is based on the implicit finite difference scheme and the parallel cyclic reduction (PCR) method. The parallel code was developed using CUDA technology and tested on different domain sizes. Performance analysis showed that our parallel approach showed a good speedup compared to sequential CPU code. The proposed parallel visualisation simulator can serve as a good tool for numerous water management systems in engineering practices. Copyright © 2023 Inderscience Enterprises Ltd.
引用
收藏
页码：298 / 305
页数：7
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