18 Questions 35 Answers 0 Followers
Questions related from Mohammad Reza Bayat
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".
04 April 2019 8,613 1 View
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...
05 May 2018 4,825 2 View
Hi, Is there any software package for symbolic continuum mechanics calculations, like derivative of tensors using index notation,etc? Thanks
10 October 2017 1,664 2 View
Hi, When I want to run the user defined element (UEL) in ABAQUS, I get the error "Analysis is being terminated from a user subroutine". The subroutine and input file is attached. Thanks
10 October 2017 4,160 2 View
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
10 October 2017 4,412 1 View
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...
09 September 2017 10,100 1 View
Anyone knows if COMSOL supports user-defined element like ABAQUS does?
09 September 2017 2,925 4 View
Hi guys, Today I came across with ANSYS AIM, I was wondering what are the advantages of ANSYS AIM over ANSYS Workbench? Thanks
09 September 2017 9,147 1 View
I’ve written a finite element code in Matlab, for a multi-physics problem. The problem is when I change mesh sizing, the code doesn’t converge. I guess it is because the employed variables are not...
09 September 2017 8,262 5 View
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...
12 December 2016 7,677 1 View
Hi, What are state variables in Abaqus subroutines (e.g. in UINTER)? When these variables are given values? What do these variables stand for? Thanks
01 January 2016 626 4 View
Hi I want to write a UINTER for contact in metal forming. Where can I find a constitutive model for contact in metal forming. Does anybody have an example of implementing a UINTER subroutine? I...
01 January 2016 1,239 1 View
I'm a MS mechanical engineering student. My dissertation topic is "Experimental investigation of three-dimensional nanofibrous macrostructures via electrospinning and its applications". There are...
12 December 2014 9,115 1 View
Hi, I want to model a viscoelastic-viscoplastic analysis of fiber reinforced polymer composites undergoing mechanical loading and temperature changes in abaqus. I know nothing about umat! Can...
09 September 2014 5,348 1 View
I have an article with about 200 references and I want to import all of them into EndNote. How it can be possible?
08 August 2014 719 1 View
I want to model a combined viscoelastic (VE)-viscoplastic (VP) analysis for Fiber Reinforced Polymer (FRP) composites subject to simultaneous mechanical load and conduction of heat. I know fibers...
08 August 2014 5,470 3 View
Hello, I have written a UMAT subroutine but when I run the code it runs and completes successfully. I am using C3D8 elements. The subroutine is working fine, as the job completes successfully....
07 July 2014 8,768 15 View
Hi, I have recently studied your article: "An excursion into the design space of biomimetic architectured biphasic actuators". It was really interesting, however I was wondering where is the...
01 January 1970 5,835 2 View
