采用梯形梁单元分析砖石拱桥在载荷作用下的行为。
A tapered beam element model is used to simulate the behaviour of a masonry arch bridge with loading.
圆柱滚子轴承在载荷作用下的应力分析，是典型的边界非线性的接触问题。
To compute the stress of the cylindrical roller bearings under loading is a typical boundary nonlinear contact issue.
目的研究解决弹性杆件结构在载荷作用下产生大变形时内力和变形量的精确计算问题。
This article aims to study large deformation and internal force of elastic truss structure under load.
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