由于采用了非线性边界元，文中所提出的方法可以广泛地适用于偏离设计的工况。
Owing to the use nonlinear boundary element method, extensions to off design conditions can be easily obtained.
本文在有限元法的前处理工作基础上，提出了回转体非线性边界元自动前处理的改进插值法。
This paper proposes an modified continuous transfinite interpolation method for automatic grid generation of axisymmetric BEM in terms of previous automatic mesh generation work in FEM.
橡胶是一种特殊的材料，要实施橡胶制品的有限元分析，就要能综合处理几何非线性、材料非线性以及边界非线性问题。
Rubber is a very unique material, proper analysis of rubber components require handling the problems of geometric nonlinearity, nonlinear boundary conditions, and material nonlinearity.
本文提出用摄动边界元法对材料非线性问题进行应力、应变分析。
In this paper a perturbation boundary element method is proposed to analyse stress and strain for the problems with nonlinear materials.
由于采用了非线性混合边界元，故本文所提出的方法精度高，简单易行，计算量小，可以较广泛地适用于偏离设计工况的运行情况，算例结果同实验值吻合很好。
A nonlinear mixed boundary element method is used here. And this method can be easily extended to off design conditions. The calculated results agreed very well with experimental data.
本文利用边界元方法分析了变厚度扁球壳的非线性问题。
In this paper, we analyse the shallow spherical shells with variable thickness by the boundary element method.
另一种是非线性方法，研究流体非线性晃动对渡槽影响，如边界元法、ALE型有限元法等。
The other are the nonlinear method, which studies on the effect of liquid nonlinear sway to aqueduct, such as boundary element method, ALE finite element method etc.
边界元法在考虑体积力时要产生积分自由项，这将使边界积分成为非线性积分，从而引起实施时的困难。
When considering body-force, free item will be arised in the equation of the boundary element method, causing boundary integration to be changed into nonlinear-integration.
边界元法在考虑体积力时要产生积分自由项，这将使边界积分成为非线性积分，从而引起实施时的困难。
When considering body-force, free item will be arised in the equation of the boundary element method, causing boundary integration to be changed into nonlinear-integration.
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