Aritra Chakraborty

4 Questions 16 Answers 0 Followers

Questions related from Aritra Chakraborty

Extrapolating damage in cyclic fatigue tests ?

I am trying to extrapolate damage in cyclic fatigue tests ( and if possible creep-fatigue tests as well). Without damage I have used the method by Bogard et al....

12 February 2020 9,894 1 View

Derivative of vonMises stress square wrt a symmetric stress (e.g. Cauchy) ?

Hi, I am trying to find the derivative of vonMises (sigma_vm) stress square wrt to stress, is the following correct ?: d(sigma_vm**2)/d(sigma) = 2 * sigma_vm *...

01 August 2019 996 0 View

Help to add a new field equation in COMSOL ?

I want to solve an extra field along with the structural mechanics module in COMSOL. Basically, I want to use the stress which you obtain by solving a linear elastic problem, calculate the...

25 January 2019 8,809 1 View

How to find relative influence of design variables in multidimensional optimization problems ?

For multidimensional optimization problems, I want to find which of the variables (to be optimized) are highly influential on the objective function value, so that I can have an expectation on...

05 January 2017 621 11 View