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

Can anyone help me with the error running user defined element subroutine (UEL) in ABAQUS?

09 October 2017 4,015 2 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

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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 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

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Complex wave form in ANSYS?

Is there a way to input wave speed in a complex form on ANSYS? The wave speed I need to assign a material is 325(1+0.11i) however I have been unable to do this thus far. Failing that, is there...

27 February 2021 5,969 1 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View