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pohan

Material law69

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Hello

I am using MAT69 for my model. But I dont understand well about fct_IDblk Function which scales the bulk coefficient as a function of the relative volume.

In my opinion this function allow to scale up the Bulk modulus as a function of relative volume so I created one curve with X is the relative volume and Y is the scale factor but nothing changed.

Could you please explain me about this function!

Thank you

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