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A Hybrid Parallel Strategy for Isogeometric Topology Optimization via CPU/GPU Heterogeneous Computing

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成果类型:
期刊论文
作者:
Xia, Zhaohui;Gao, Baichuan;Yu, Chen;Han, Haotian;Zhang, Haobo;...
通讯作者:
Yu, C
作者机构:
[Xia, Zhaohui] Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China.
[Yu, Chen; Yu, C] Wuhan Polytech Univ, Sch Math & Comp Sci, Wuhan 430048, Peoples R China.
[Zhang, Haobo; Han, Haotian; Xia, Zhaohui; Wang, Shuting; Gao, Baichuan] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan 430074, Peoples R China.
通讯机构:
[Yu, C ] W
Wuhan Polytech Univ, Sch Math & Comp Sci, Wuhan 430048, Peoples R China.
语种:
英文
关键词:
Topology optimization;high-efficiency;isogeometric analysis;CPU/GPU parallel computing;hybrid OpenMP-CUDA
期刊:
工程与科学中的计算机建模(英文)
ISSN:
1526-1492
年:
2024
卷:
138
期:
2
页码:
1103-1137
基金类别:
National Key R&D Program of China [2020YFB1708300]; National Natural Science Foundation of China [52005192]; Project of Ministry of Industry and Information Technology [TC210804R-3]
机构署名:
本校为通讯机构
院系归属:
数学与计算机学院
摘要:
This paper aims to solve large-scale and complex isogeometric topology optimization problems that consume significant computational resources. A novel isogeometric topology optimization method with a hybrid parallel strategy of CPU/GPU is proposed, while the hybrid parallel strategies for stiffness matrix assembly, equation solving, sensitivity analysis, and design variable update are discussed in detail. To ensure the high efficiency of CPU/GPU computing, a workload balancing strategy is presented for optimally distributing the workload between CPU and GPU. To illustrate the advantages of the...

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