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研究了分数阶广义Kelvin模型的本构关系,并将其引入到无网格方法中,从而推导出新的算法公式。运用MTS815.02型电液伺服岩石力学试验系统,对泥质砂岩进行压缩蠕变试验。应用分数阶Kelvin无网格法进行反演验证,获得良好效果。
The constitutive relation of fractional Kelvin model is studied and introduced into the meshless method to derive a new algorithm formula. Using MTS815.02 electro-hydraulic servo rock mechanics test system, the compressive creep test of shaly sandstone was carried out. The fractional Kelvin meshless method is used to validate inversion and get good results.