It is very difficulty to obtain the structural analysis correctly by the conventional boundary element method, when the boundary conditions is not given enough.

结构体的边界条件未能充分给出的情况下，用常规边界元法很难作出正确的结构分析。

youdao

For 3d elasticity problems, the parallel computations based on the fast multipole and the conventional boundary element method (BEM) on PC cluster are compared.

以三维弹性力学问题为例，对快速多极与常规边界元法机群并行计算进行了比较。

youdao

Under the conditions of constant pressure boundary, when the time approaches to infinity, the curve between the flow rate and the bottom hole pressure is so called conventional IPR curve.

对于定压边界，当时间趋向于无穷大时，气井产量与井底压力关系曲线即是我们常用的IPR曲线（不妨称为常规IPR曲线或稳定IPR曲线）。

youdao

Mizuno reckons that by reducing friction, keeping the flow orderly and delaying separation of the boundary layer, its new suits offer the average female swimmer 9.5% less drag than a conventional costume.

ECONOMIST: The turbulent world of swimming