The incremental motion equations of a M DOF structural system excitated by seismic waves are formulated based on FEM, and a seismic response model for cable stayed bridges are proposed.
基于有限单元法，推导出多自由度结构体系在地震作用下的增量形式的运动方程，建立了大跨度斜拉桥的地震激励模型。
By representing the uncertain parameters as interval Numbers, the static governed equations of the structural system are obtained in this paper by means of the finite element method.
将结构系统中的不确定性参数用区间数来表示，用有限元法建立静力区间线性方程组。
This paper applies the collocation methods to the equations of a structural dynamic system farmulated by finite element to determine the structural transient response.
本文运用配点法，对用有限元建立的动力方程求结构的瞬态响应。
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