Mohamad Khorashad

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Questions related from Mohamad Khorashad

Requirements of developing finite element softwares?

There are many Finite Element softwares that are some commercial and some not. Many of them are open-source and some are closed-source. Abaqus, Ansys, LS-DYNA and ADINA are familiar to all...

14 October 2015 3,690 7 View

What does my error in VUMAT subroutine mean?

I want to implement a VUMAT subroutine in Abaqus, but when I do it, the following error displays. Is there anyone who knows what this means? I use Abaqus 6.12-1 and visual studio 2008. I am sure...

23 May 2014 1,124 44 View

How can I simulate progressive impact damage in composite material with Abaqus?

I want to model low velocity impact damage in composite plates. I don't know anything about it. Could anyone help me? Tutorial, book or etc.

17 March 2014 5,992 13 View

How can I model damages for composite materials in Abaqus?

I don't know anything about damage theory, but I must model damages in composite materials. Do you have any tutorial, book or anything to help me?

02 March 2014 3,212 6 View

What is the difference between "Analytical rigid" and "Discrete rigid" in Abaqus software?

I want to know where they are used exactly.

24 February 2014 9,758 9 View

Why is the minimum value of residual tensile strength in region II fewer than the constant value of region III?

In an impact analysis, there is a curve that shows residual tensile strength of composites that has incurred damage due to impact. You can see this curve in attachment.

11 February 2014 3,621 1 View

Coupled Thermal Stress Analysis of Automotive Disc Brake: A Complete Validation Tutorial

In Coupled Thermal Stress Analysis of Automotive Disc Brake: A Complete Validation Tutorial, a solid disk brake of a CA7220 car with initial rotational velocity will contact a disk pad. The...

01 January 1970 8,219 0 View