Alright,
I am encountering some serious differences in opensees 1.7.3 and 1.7.4 with respect to PDMY soil models and PyLiq1 elements.
What is this updateMaterials command? How is it different from the updateMaterialStage and updateParameter commands? I can find no documentation in the user manual, in the Developer API, or source code.
Maybe this the reason for my problems?
Soil Behavior does not even appear to be the same for different versions. Can anybody else verify same results for updated (that is elasto-plastic) PDMY combined with FSD materials for both v. 1.7.3 and 1.7.4?
Matt Bowers
Serious Soil Issues Between v1.7.3 and v1.7.4
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