karl_terzaghi 发表于 2008-4-4 10:59:54

Sigma里的S3 min参数

那位高手指点一下Sigma里的S3 min参数是什么意思？？？？

wym247 发表于 2008-10-10 19:53:40

A minimum allowable stress value, S3, of 200 has been applied to the model so
that there is some stiffness to the soil when the confining stresses approach zero.
This reduces convergence problems because it prevents the soil stiffness from
behaving like fluid clay – which we do not anticipate in this case.详见GEO sigma英文版教程P264
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