上海交通大学学报

上海交通大学学报（自然版）

• 自动化技术、计算机技术 • 上一篇    下一篇

施工中隧道与运输车辆动态耦合的并行计算方法

曹露芬1,2，金先龙1,2，吴惠明3，杜新光1,2
  

  1. (1. 上海交通大学 机械系统与振动国家重点实验室， 上海 200240； 2. 上海交通大学 机械与动力工程学院， 上海 200240； 3. 上海隧道工程股份有限公司盾构分公司， 上海 200023)
  • 收稿日期:2010-04-07 修回日期:1900-01-01 出版日期:2010-11-30 发布日期:2010-11-30

Parallel Algorithms for Transport Vehicles and Construction Tunnel Dynamic Coupling System

CAO Lufen1,2,JIN Xianlong1,2,WU Huiming3,DU Xinguang1,2
  

  1. (1. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Shanghai 200240； 2. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240; 3. Shanghai Tunnel Engineering Co., Ltd.，TBM Construction Branch, Shanghai 200023, China)
  • Received:2010-04-07 Revised:1900-01-01 Online:2010-11-30 Published:2010-11-30

摘要： 在隧道施工过程中为准确模拟运输车辆运行时对周围隧道的影响，建立了隧道及运输车辆的三维有限元模型.通过三维动态接触方法模拟轮轨、轨道隧道、隧道土体等的动力相互作用.利用显式非线性有限元法进行数值模拟，分析了运输车辆每节车通过工作井时隧道的动态响应.由于轮轨接触计算十分耗时，在递归坐标二分分区方法(RCB)基础上，结合上海超级计算机曙光5000A高性能计算机的体系结构，设计了基于轮轨接触均衡分区算法(WRCBB).分析并比较了两种并行算法的加速效果.结果表明，对于考虑接触的大型结构动力分析问题，接触均衡的分区方法具有更好的加速比与并行效率.

关键词: 动态响应, 接触均衡, 并行计算

Abstract: Tail transport vehicles were used to transport concrete lining in the process of construction tunnel in largescale water diversion project of QingCaoSha. A three dimension finite element was built up for the tunnels and transport vehicles, to accurately simulate the impact of transport vehicles on the surrounding tunnel. The threedimensional dynamic contact method was used to simulate the dynamic interaction between structures, such as wheelrail, railtunnel, and tunnelsoil. The explicit nonlinear finite element method was used to numerically simulatle and analyze the dynamic response of the tunnel when each section of the transport vehicles passes through the work shaft. Since the calculation of wheelrail contact was very timeconsuming, considering the highperformance computer structure of Shanghai Dawning 5000A supercomputer, the wheelRail Contact Balance Bisection (WRCBB) Algorithm, based on Recursive Coordinate Bisection (RCB) Algorithm, was designed. The accelerating effects of two kinds of parallel algorithms were analyzed and compared. The result indicates that, compared with the RCB method, the WRCBB method has improved the acceleration ratio and parallel efficiency in solving contact problem of largescale structural dynamic analysis.

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