When the structure keeps elastic except for the local nonlinearities, the fast nonlinear analysis (FNA) method is desirable for an elastic response history analysis.
当结构局部非线性而其它大部分为弹性时，方程可以采用“快速非线性分析”（FNA）方法求解。
When the structure keeps elastic except for the local nonlinearities, the so-called fast nonlinear analysis (FNA) method is desirable for an elastic response history analysis.
当结构局部非线性而其它大部分为弹性时，方程可以采用所谓“快速非线性分析”（FNA）方法求解。
Meanwhile, by temporal analysis method, the author calculates the relationship between T-type and L-type torsion and local deformation of plane irregular house structure arrangement.
同时用时程分析方法，计算分析了T型、L型平面非规则布置房屋结构的扭转和局部变形的关系。
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