摘要
本文将在固体力学和流体力学中广泛应用的基于选择缩减积分的有限元模式引入到岩土工程有限元分析中,在一定程度上改善了土体在体积趋于不可压缩时(如在高应力水平下和不排水状态下)的应力和变形计算.选择缩减积分方法概念明确,程序编制简单,很容易将其加入到已有的有限元程序中.
Selective and Reduced Integration ( SRI ) method is introduced to the finite element analysis in geomechanics, which can be simply implemented by a small change of standard codes. It is shown that this procedure improves the accuracy of the calculated stress and displacement while the soil tends to be incompressible, such as that under undrained condition, or that in high stress level even under drained condition.
出处
《土木工程学报》
EI
CSCD
北大核心
1996年第3期16-23,共8页
China Civil Engineering Journal
