A structural element can be a subsystem, a process, a library, a database, a computational node, a legacy system, an off-the-shelf product, and so on.
一个结构组件可能是一个子系统，进程，库，数据库，计算结点，馈赠系统，按需产品等等。
2
The Boundary Element method (BEM) is a kind of efficient numerical method in modern computational mechanics.
边界元方法(BEM)是近代计算力学中的一种高效数值方法。
3
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.