Dongyang Cao

6 Questions 1 Answers 0 Followers

Questions related from Dongyang Cao

How to make the sample flat under a nanoindentation test?

Currently, I am facing the unevenly distributed sample height under the nanoindentation experiment. How to apply the sample perfectly flat and reduce the uneven height as much as possible? (Sample...

31 December 2022 5,506 3 View

How to extract elastic depth from the nanoindentation load vs displacement curve?

Does anyone have an idea on separating the elastic depth and plastic depth from the nanoindentation load vs displacement curve? An equation of elastic and plastic depth should be established for...

19 November 2022 9,769 4 View

Abaqus 6.14: Why the keywords are missing after submitting the job?

Dear All, Please see the attached file. After I submit the job, all the keywords of the model are missing besides the part section. Does anyone have an idea what this reason might be? Thanks!

26 February 2022 2,221 1 View

Why the node number of the model is not correct under the nonlinear bucking analysis?

Hi All, Please see the attached file. I construct a risk buckling model with CZM contact surfaces. I use the zero thickness cohesive element in the middle. But the node number of the cohesive...

24 January 2022 5,768 0 View

Why Abaqus Riks buckling with CZM contact have element distortion issue?

Hi All, I tried to import liner perturbation results into riks for nonlinear buckling modes. For the non-CZM model, it works well. But with CZM contact, there is a serious element distortion...

21 January 2022 8,859 2 View

Why the model is not deforming at all under the Abaqus linear bucking analysis?

I attached some photos here. I believe I have already given the material properties(isotropic), mesh properties(C3D10), and linear bucking step(subspace, 300 iterations). I fixed one end and left...

13 January 2022 8,685 4 View