Raj Sundar

6 Questions 2 Answers 0 Followers

Questions related from Raj Sundar

Does fatigue strain life approach is valid for stress value below yield stress?

While doing fatigue calculation stress life gives higher damage, but the strain life approach gives good life.The stress value is less than yield point.Is it valid to use strain life approach for...

07 July 2019 1,052 4 View

How to find Yield strain corresponding to 0.2% offset yield stress?

In case of determining the yield strength we use .2 % offset from stress-strain curve. I need to find yield strain i.e corresponding to yield stress.Is there any standard expression?

04 April 2018 1,593 1 View

Two phase flow levelset set in COMSOL MULTIPHYSICS?

Hii I am trying to simulate two-phase flow (resin-air) in COMSOL multiphysicsics.The flow front is not moving.I have taken contact angle as 30 degrees and gamma reinitialization...

09 September 2017 9,840 0 View

How to find Activation energy(E) from DST curve for a Polymer resin ?

I want to simulate the curing process of epoxy resin impregnated composite manufactured by VARTM.The cure rate proposed by Kamal and Sourour needs activation energy terms to find Arrhenius rate...

05 May 2017 738 3 View

How to select solid elements for composites in Ansys ACP ?

I can select shell elements .Is there any option to do mesh refinement in thickness direction for composites.

02 February 2017 2,581 1 View

Can anyone help me to find material parameters for Epoxy-carbon composite??

I want to do Tensile test of Epoxy-carbon composite in Ansys-explicit.In order to use Johnson cook Failure criteria i need material parameters (D1, D2, D3, D4).If you know please share it.

01 January 1970 646 6 View