Building a finite element model of bridge, which accurately reflects the true structure's stiffness and mass distribution, can improve the precise of dynamic analysis results of structure very much.
有限元模型对桥梁质量和刚度分布模拟是否准确，直接影响桥梁的动力分析结果。
With the finite element method, the quantity of a building of air-leaking has been analysed in nature conditions.
在实测的基础上，建立了门窗渗漏模型，借助有限单元法，对整幢建筑物在外界环境下的渗漏量进行了定量分析。
A method of building the finite element model of swing movable teeth reducer was put forward according to the characteristics of the construction of swing movable teeth reducer.
针对摆动活齿减速器的结构特点，提出了摆动活齿减速器的有限元模型的建模方法。
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