Can anyone help with this comsol error?

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How to do mesh sensitivity in fluid structure interaction?Is there a mesh sensitivity for each structural and fluid part?

Hi everyone I want to do a simulation of fluid solid interaction. I have a basic question about the mesh sensitivity in fluid structure interaction How to do mesh sensitivity?Is there a mesh...

06 July 2018 4,968 1 View

How to do mesh sensitivity in fluid structure interaction?

Hi everyone I want to do simulation of fluid solid interaction. I have a basic question about the mesh sensitivity in fluid structure interaction How to do mesh sensitivity?Is there a mesh...

06 July 2018 1,177 0 View

How to fix geometry in z-axis direction in Ansys structural?

Hi everyone How to fix geometry in z-axis direction While y and z move freely in Ansys structural? Best regards

06 July 2018 3,774 7 View

Simulating blood flow in bioprosthetic heart valve?

Hi everyone Can we consider the flow of blood in the aortic valve of the type low Reynolds turbulence? Best regards

05 June 2018 2,855 3 View

I encountered an error in ansys wb about fluid solid interaction field:Error is- One or more elements have become highly distorted.how to rectify?

Hi I modeled a problem of fluid solid interaction and I encountered this following error:(Ansys wb) One or more elements have become highly distorted. Step size time:1e-6 Best regards

10 November 2017 6,286 0 View

How plot Y plus range in comsol?

How plot Y plus range for turbulent models in comsol?

01 February 2017 6,300 0 View

How do I model vortex in Comsol?

Hi I model a fsi project And choose flow to turbulent How do I model vortex contours in Comsol?

10 November 2016 4,888 0 View

Inverted mesh element near coordinates in comsol?

HiI was confronted with an errors in comsol: 1. inverted mesh element near coordinatesHow do I fix this error? What changes do I apply? 2. In the mesh in comsol,how do I change Skewness criterion...

08 September 2016 10,780 5 View

Can anyone help with this comsol error?

Hi I faced following error in comsol,in fsi simulation and time dependent error is: Failed to find consistent initial values. Last time step is not converged Feature: Time-Dependent Solver...

07 August 2016 6,534 3 View

Y plus range for turbulent models?

Hi in ansys fluent's dacuments it has been said that : (( ANSYS Fluent has taken steps to offer more advanced wall formulations, which allow a consistent mesh refinement without a deterioration of...

07 August 2016 7,865 7 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

How to get LP fiber modes directly from Comsol?

Hi there, I'm new to modelling with comsol. I would like to ask if it is possible for comsol to output linearly polarized (LP) modes? I tried modelling a simple single mode fiber with an enlarged...

23 July 2024 4,019 3 View

Can anyone help with this comsol error? Pleaaaase I need help !!?

Undefined variable. - Variable: comp1.cNa - Géométrie: geom1 - Domaine: 1 Failed to evaluate expression. - Expression: comp1.cNa - Affichage: Graphique sur ligne 1

19 July 2024 1,938 2 View

Why electrical charge on the moving plate increase?

Hi, everyone This figure depicts a simulation of an electrostatic energy harvesting system in COMSOL Multiphysics software. My question is regarding the relationship between the changes in...

19 July 2024 4,694 4 View

Why does the error "The relative error (0.29) is greater than the relative tolerance" appear in Comsol Multiphysics?

Hello, My name is Radu Jubleanu, I am a PhD student at the Politehnica University of Bucharest. I work in the field of magnetic storage in superconductors. I want to carry out a numerical study of...

15 July 2024 6,025 1 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

I have need a LPBF/SLM model on comsol multiphysics ?

In this model clearly understanding how to active one layer to another layer and how to add powder material properties step by step.

08 July 2024 6,147 0 View

Is it possible to define exothermic processes in finite element software like COMSOL? If yes, how can this be done?

We aim to study an exothermic process and evaluate its temporal changes. Could you recommend suitable software for this purpose and explain how to conduct this analysis? What specific data is...

30 June 2024 8,413 1 View

Has anyone simulated Argon plasma jet in Comsol?

Hello, Has anyone successfully modeled 2D argon plasma jet using the COMSOL? I would greatly appreciate any guidance on this matter.

30 June 2024 5,597 0 View

COMSOL simulation of transient wave optics propagation is not physical?

Hi guys, I am trying to simulate a 1 ps long plane wave propagating in a dispersive material, with the wave optics transient module. According to the drude-lorentz model, when the frequency of...

29 June 2024 486 1 View