在线性分析中，用解析的方法分析了FGM板、圆柱壳与双曲率扁壳弯曲、振动与屈曲等力学行为。
In nonlinear analysis, FGM plates and shells behaviors, which include large deflection bending, large deflection vibration, post-bucking, are discussed using Galerkin variational method.
分别采用线性和非线性的有限元方法，对复合材料加筋壁板盒段结构的扭转稳定性和弯曲稳定性进行了计算，并将计算结果与试验结果进行了对比分析。
Finite element method was adopted to research the buckling problem of the composite box structure, which was composed by lots of different thin-panel members and was simplified.
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