How to use the "Wall distance" interface of COMSOL in transient problems?

Hi, I want to use the "Wall distance" interface of COMSOL in transient problem. However, I get the error " Failed to find consistent initial values".

03 April 2019 8,483 1 View

How to implement a transient multi-physics problem in COMSOL?

Hi, I am new to COMSOL. I want to implement a nonlinear transient multi-physics problem employing weak form. Can somebody introduce me a textbook or a tutorial? A solved example will be of very...

04 May 2018 4,704 2 View

How to debug Abaqus user element subroutine?

Hi, Is it possible to debug Abaqus subroutines using break points in visual studio? I have found some articles about this topic, but they did not help. http://imechanica.org/node/10620

09 October 2017 4,174 1 View

Is there any software package for symbolic continuum mechanics calculations?

Hi, Is there any software package for symbolic continuum mechanics calculations, like derivative of tensors using index notation,etc? Thanks

09 October 2017 1,492 2 View

Can you help me with running the UEL subroutine and input files blew in ABAQUS?

Hi, I'm working on the article " A finite element implementation of a coupled diffusion-deformation theory for elastomeric gels". It is a very nice tutorial for implementing fluid diffusion and...

08 September 2017 9,920 1 View

What are the advantages of ANSYS AIM over ANSYS Workbench?

Hi guys, Today I came across with ANSYS AIM, I was wondering what are the advantages of ANSYS AIM over ANSYS Workbench? Thanks

08 September 2017 8,972 1 View

Does COMSOL support user-defined element like ABAQUS deos (UEL)?

Anyone knows if COMSOL supports user-defined element like ABAQUS does?

08 September 2017 2,721 4 View

How to make a finite element code dimensionless?

08 September 2017 8,147 5 View

How to measure the rotational displace of three dimensional solid elements in Abaqus?

Hi, I have modeled a twisting beam which is meshed with C3D8 elements. I need to measure the twisting angle of the end of the beam. However solid elements in Abaqus does not have rotational degree...

11 December 2016 7,556 1 View

How to write UINTER subroutine in Abaqus for contact of metal forming?

31 December 2015 962 1 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View

Is it possible to do optimization for a submodel in Abaqus?

I'm trying to run an optimization in Abaqus for a submodel with no luck, jobs are not being create for submission. Is this even possible? or is Abaqus limited to do Opt. for the model itself...

24 February 2021 4,908 5 View