| 地下洞室开挖的并行计算 |
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| 引用本文： | 余甘悠,张福利.地下洞室开挖的并行计算[J].黑龙江水专学报,2009,36(1):57-60. |
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| 作者姓名： | 余甘悠 张福利 |
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| 作者单位： | 1. 洪湖市水利局,湖北,洪湖,433200
2. 天津市粮油集团有限公司,天津,300122 |
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| 摘 要： | 介绍了有限元分析的力学理论,提出开挖释放荷载的计算方法和模拟思路。基于Krylov子空间迭代法和预条件技术,采用基于区域分解思想的粗粒度并行策略开发了地下洞室群开挖模拟的并行有限元程序。最后,用算例说明并行计算的高效性。
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| 关 键 词： | 并行计算 地下洞室 Krylov子空间迭代法 区域分解 |
Parallel Computing of Underground Works Excavation |
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| YU Gan-you,ZHANG Fu-li.Parallel Computing of Underground Works Excavation[J].Journal of Heilongjiang Hydraulic Engineering College,2009,36(1):57-60. |
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| Authors: | YU Gan-you ZHANG Fu-li |
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| Affiliation: | 1.Water Conservancy Bureau of Honghu City;Honghu 433200;Hubei;China;2.Tianjin Cereals and Edible Oils Group Co.Ltd.;Tianjin 300122;China |
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| Abstract: | This paper introduces the mechanics theory of FEM,gives the calculation method and simulatives solution of excavation released load.Based on Krylov subspace iteration method and pre-conditions technology,a parallel FEM program of simulating the excavation of underground cavern are developed.It uses the coarse-grained parallel strategy which based on region decomposition thinking and an example to prove the efficient of parallel computing. |
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| Keywords: | parallel computing underground cavern Krylov subspace iteration method region decomposition |
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