Can someone give me advice or recommend a constitutive model for granular soil that includes the geologic origin of material?

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Yang Xiao

You can use the DSC (disturbed state concept) model, which is a unified contitutive model proposed by Prof. C S Desai.

Best regards

Xiao

Karthigeyan . S

I feel you can use Drucker - Prager model to simulate the granular material response under different loading conditions..you will find more literature based on this model to simulate the granular material..ok all the best..with regards..