实际计算表明，这个方法比变刚度法有更大的适用性。
Through calculations it is found that this method is more applicable than the variable stiffness method.
本文引入了变刚度法实现了环形空腹索桁结构体系的荷载缓和。
Load relieving of the structure is achieved by introducing the rigidity-modulating analysis method.
非线性分析的方法，除采用一般的变刚度法之外，还采用了改进的BFGS法。
In the methods of nonlinear analysis, along with the normal variable stiffness methods, the improved BFGS method is used.
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