How to calculate Tangent modulus?
How to calculate Tangent modulus?
(OP)
Hello guys,
Is there any specific formula to calculate Tangent modulus? I need this value in material card which I am using for crash analysis. Your guidance will be much appreciated.
Thanks
Is there any specific formula to calculate Tangent modulus? I need this value in material card which I am using for crash analysis. Your guidance will be much appreciated.
Thanks





RE: How to calculate Tangent modulus?
RE: How to calculate Tangent modulus?
I got yield stress, youngs modulus in linear region, ultimate tensile strength.
In order to use Ramberg-Osgood equation I will need K & n value which I dont have.
RE: How to calculate Tangent modulus?
Beyond that, there is no such thing as "calculating" a material property. It is a measured property (test data).
Brian
www.espcomposites.com
RE: How to calculate Tangent modulus?
if you're doing crash analysis i guess you're trying to capture plasticity effects. a cheap and dirty answer would be (ult. stress- yield stress)/(ult strain-yield strain)
RE: How to calculate Tangent modulus?
Don't over-think this. Draw the stress-strain curve out. draw your tangent modulus lines. Should be easy...