A Method for Numerical Solutions to Problems with Pipes under Unknown Forces and Constraint Conditions

扫码查看

原文链接

NETL
NSTL

外文摘要：For the solutions to engineering equipment with pipes, unknown forces and unclear constraint conditions on the pipes result in the analysis limitation due to the high temperature and fluid pressure to pipes. In this paper, a new method for determining the loads is established to problems with many pipes. In the method, based on the combination of FEM and Successive Approximation Approach, pipes forces on the equipment are analyzed. By the analysis of suitable forces, the relationship between forces and stress can be obtained. The cycling process of "loading-solving-determining-adjusting" is carried out to approaching destinations based on hundreds of numerical results. Moreover, an evaluation scheme is built to evaluate groups of forces and guarantee equipment to work normally under some certain forces. The constraint condition from groups of forces can be also confirmed. A case study gave the verification of the method.

外文关键词：

pipesnumerical solutionsevaluation schemesteam boxfinite element method

作者：

Dongyan Shi、Xia Kuang、Huachun Lin

展开 >

作者单位：

Postdoctoral Research Station of Instrument Science and Technology, Harbin University of Science and Technology, Harbin 150080, China College of Mechanical and Electrical Engineering, Harbin engineering university, No.145 Nantong Street, Harbin 150001, China

College of Mechanical and Electrical Engineering, Harbin engineering university, No.145 Nantong Street, Harbin 150001, China

出版年：

2010

Key engineering materials

ISSN：1013-9826

年,卷(期)：2010.419/420