The field, which it can be applied in, has expanded from plane problem to 3D problem, from structural stress analysis to structural optimize, from static balance to dynamic stability.
他已由弹性力学平面问题扩展到空间问题和板壳问题，由平衡问题扩展到稳定问题与动力问题，由结构的应力分析扩展到结构的优化设计。
In this paper, the overall layout, structural design, stress analysis and construction of the Bridge are dealt with.
介绍了该桥的总体布置、结构设计、受力分析及施工概况。
An equivalent stress method for the structural analysis of derrick with initial deformation is offered.
为此，采用等价应力法对有初始变形的井架进行结构分析。
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