基于动力松弛原理的地下隧道工程初始应力场计算方法研究  

Research on the Initial Stress Field around a Tunnel based on the Principle of Dynamic Relaxation

作　　者：章泳健[1,2] 金先龙[2] 王建炜[2] 曹源[2] 张春燕[1] 

机构地区：[1]常熟理工学院,常熟215500 [2]上海交通大学,上海200240

出　　处：《现代隧道技术》2010年第4期6-11,共6页Modern Tunnelling Technology

基　　金：十一五国家科技支撑项目(11504-XL)

摘　　要：文章基于动力松弛法原理,研究了显式动力算法在对隧道工程进行初始应力场计算中的应用。通过与隐式算法的比较计算,指出该方法在并行计算环境下,无论在计算收敛性还是在对计算环境的依赖性等方面均有较大优势,特别适用于地下隧道工程等中、大规模计算模型的初始应力场计算。Based on the principle of dynamic relaxation,the explicit dynamic algorithm of LS-DYNA was adopted to calculate the initial stress field of a tunnel and surrounding rock.By comparing with the implicit algorithm,the method presented in the paper is more advantageous in terms of convergence and the dependence on environment under parallel computation condition,and more suitable for the computation of initial stress field of medium and large-scale model of tunnel projects.

关 键 词：隧道工程 初始应力场 动力松弛法 并行计算 

分 类 号：U452[建筑科学—桥梁与隧道工程] TU452[交通运输工程—道路与铁道工程]