摘要
利用ABAQUS软件中的主控-从属接触算法,使管道和海床形成一个接触对,且建立了管土系统有限单元模型。海床土体分别采用非线性弹性模型、多孔弹性模型、Ramberg-Osgood塑性模型。通过分析计算,得到了管道沉降量与管重间的关系,以及由于管道沉陷而形成的土体楔形。计算结果和有关试验结果相符合,说明采用该软件进行管土相互作用分析是可行的。
The pipe-soil contact pair has been established by the master-slave method of the ABAQUS software, and also the finite element model has been established. The constitutive models of soil, such as nonlinear elastic, porous elastic and Ramberg-Osgood models have been adopted relatively. The relationship between the pipe＇s subweights and pipe＇s penetration has been obtained, and also soil lateral mounding has been obtained in the computation. The results have shown that computation is in accordance with some test results, which indicates the pipe/soil interaction analysis is feasible by ABAQUS software.
出处
《中国海洋平台》
2007年第4期48-51,共4页
China offshore Platform
