14 Questions 11 Answers 0 Followers
Questions related from Faezeh Iranmanesh
Hello everybody, I've written a UMAT code that runs perfectly for single element models. When I try to apply it to multi-element models and more complex geometries, I see that some parameters...
28 October 2021 1,881 1 View
Hello All, I have written a UMAT code to predict the anisotropic elastoplastic behavior of a material (with damage). I have applied this UMAT to a single quad element and it works as predicted. It...
17 September 2021 4,272 1 View
Hello everybody, I was wondering to ask you to share with me the works that used AI/machine learning for determining the parameters of a constitutive model. Thanks. regards, Faezeh
30 May 2021 4,070 2 View
Hello everybody, I've implemented a UMAT subroutine and I debugged it for one plastic increment. There is a problem that when one increment ends, and the stress and all state variables are saved...
20 May 2021 913 4 View
I am debugging my Fortran code for my UMAT subroutine, and I noticed that some of my parameters keep changing throughout a subroutine which is strange to me. For example I have the following...
27 April 2021 5,465 6 View
Hello, I have generated a UMAT code and I wanted to test it for a single load-unload test. To do so, is it enough to create a load-unload FEM model in Abaqus and implement the UMAT for it or I...
22 April 2021 7,677 1 View
I would like to use CDM (continuum damage mechanics) for modeling damage in my constitutive model and I need to incorporate a variable (or its effects) into my mechanical damage that doesn't...
16 December 2020 7,512 2 View
I am looking for a research paper about the mathematical or computational modelling of protein oxidation (caused by reactive oxygen species).. I would really appreciate that if someone helps me...
18 November 2020 2,512 3 View
I am looking for a research in which the finite element model was trained based on experimental results.
03 October 2020 9,487 19 View
Hello all, I have some old DSC data from long time ago. I need to do baseline correction for them but I don't have empty pan line for these data. I found out that for baseline correction, before...
29 June 2020 6,932 0 View
I am trying to run my VUMAT code with a model in Abaqus/explicit. After that the run has been completed, I observed that the stresses have been evolved in only one element as shown in the attached...
28 May 2020 5,638 3 View
I have some raw DSC test data and I need to do baseline correction. I don't know how should I do it. I would appreciate it if someone can help me with this.
17 May 2020 8,670 7 View
Hello all, Actually, I am dealing with an issue that I can't get desirable results out of my curve-fitting problem. I used lsqcurvefit in the first place. Then, I added MultiStart to my code as...
01 May 2020 5,076 2 View
Hi everybody I'm using curve fitting tool of MATLAB for fitting a curve to my x-y data.I want to plot multiple data sets ((x1,y1),(x2,y2),(x3,y3),....) onto one figure after fitting a curve to...
17 July 2016 4,721 3 View
