G.M. Wang

3 Questions 5 Answers 0 Followers

Questions related from G.M. Wang

Why are there large differences between the expected deformation gradient (DG) and the DG printed by VUMAT in 2D simple shear example?

As demonstrated in the affixed file, there are large differences between the expected deformation gradient (DG) and the DG printed by VUMAT in 2D simple shear example. The differences are...

22 February 2024 4,837 0 View

How to impose rotational boundary condition on an ANCF beam element's node?

This question is about beam element using Absolute Nodal Coordinate Formulation! The element uses nodal slope vector (which is not necessarily to be a vector of unit norm) to characterize the...

07 July 2017 666 1 View

What is the "Second Variation" of a quantity? How to compute it?

In order to understand the meaning of rotational freedoms in Abaqus software, I am reading the corresponding section about rotation variables in the Abaqus 6.14 Theory Guide. I came across the...

01 July 2017 1,702 6 View