Parallel computing for 3D numerical simulation of large scale tunnel

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (24): 214-216.

• 工程与应用 • Previous Articles Next Articles

Parallel computing for 3D numerical simulation of large scale tunnel

WANG Puyong1，WANG Jianwei2，JIN Xianlong2

1.Shanghai Supercomputer Center，Shanghai 201203，China
2.State Key Laboratory of Mechanical System and Vibration，Shanghai Jiaotong University，Shanghai 200240，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-08-21 Published:2011-08-21

大型隧道工程三维数值分析的并行计算方法

王普勇1，王建炜2，金先龙2

1.上海超算计算中心，上海 201203
2.上海交通大学机械系统与振动国家重点实验室，上海 200240

Abstract

Abstract: The refined three dimensional nonlinear finite element model of a large cross-river tunnel with more than two million nodes is established.In order to overcome computer runtime during solution of large tunnel，the parallel computing technology with contact balance is adopted.The static stress field of the large cross-river tunnel is analyzed.The speedup of two kinds of partition scheme is also analyzed.The results can provide references for the design of large tunnel.

Key words: large scale tunnel, 3D finite element model, nonlinearity, parallel computing

摘要： 建立了黄浦江某大型越江隧道的三维精细非线性有限元模型，采用接触均衡的并行计算技术，解决了大型隧道工程数值模拟时规模庞大的问题。数值模拟了越江隧道的静应力场，比较了两种不同分区方案对并行加速比的影响。数值模拟结果能够为大型隧道工程设计提供参考依据。

关键词: 大型隧道, 三维有限元模型, 非线性, 并行计算

WANG Puyong1，WANG Jianwei2，JIN Xianlong2. Parallel computing for 3D numerical simulation of large scale tunnel[J]. Computer Engineering and Applications, 2011, 47(24): 214-216.

王普勇1，王建炜2，金先龙2. 大型隧道工程三维数值分析的并行计算方法[J]. 计算机工程与应用, 2011, 47(24): 214-216.

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Parallel computing for 3D numerical simulation of large scale tunnel

大型隧道工程三维数值分析的并行计算方法

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