For simplification of analysis, we may take the elastic regions as substructures and analyzed separately, then make a coupled analysis with the non-linear zones.
为简化分析工作，可将弹性域作为子结构，另行分析，然后再与非线性域进行耦合分析。
Based on the elastic-plastic dynamic model of the thin-wall structure aqueduct, the non-linear earthquake response analysis is presented.
运用渡槽薄壁结构弹塑性动力分析模型，开展了渡槽非线性地震响应分析计算。
The non-classic boundary condition of the elastic instability has been educed by the energy functional variation analysis. So a criterion equation of the elastic instability can be got.
利用能量泛函变分的方法导出了发生弹性失稳的非经典边界条件，得到了失稳的判据方程。
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