Sweep forms a grid
Hi，I am new to Comsol and know very little about different features of the software. When I want to form a grid by sweeping, the software prompts for an unsupported link surface topology. what should I...
View ArticleExport data from surface of a sphere
Hello all, I have built a model and I am trying to measure the field in a specific volume. Can we export our data from a surface of a spehre instead of a whole cube? is that possible?? Thanks Belal
View ArticleIn (ec) analysis, how can current along edges of the meshes be determined?
Hi,I run a frequency domain, electric currents (ec) analysis to find the electrical voltage and current distribution in a 2D non-uniform object. My goal is to export the voltage of each "vertex" and...
View Articlecopy mesh to a component in a higher dimension
Hi, I'm trying to copy the mesh created on a 2d surface (obtained from a cross section of my 3d model) to the same face in the 3d model and then extrude the mesh to all the domain. I'm trying to use...
View ArticleWhat's the reason for this mistake" Inscribed diameter not implemented for...
I want use comsol software to simulate the model. That is about the Ultrasonic gas flow measurement .The theory is the time-of-flight or transit-time method to determine the flow speed.I use the CFD...
View ArticleMagnetic domain refinement in electrical steel by laser scribing
Hello I want to model the laser-material interaction of a grain in electrical steel being cut in half, how would I model the ablation of the steel?
View ArticleUnable to Mesh Certain Domains due to "Unsupported Topology at Vertex"
Hey all,I've been trying to mesh my model for a while now, and haven't been able to do it.My model consists of a nerve with a stimulating cuff electrode around it, and everything is surrounded by...
View ArticleSuccessive load application in solid mechanics
Hello!I'd like to simulate the deflection/deformation of a laboratory two-axes mirror mount (tilts a platform in two directions) milled out of a single piece of metal, so i thought of a...
View ArticleWhy are my meshes look weird?
I have this simple mesh where I have a bulk with coarse mesh and a boundary with fine mesh. Why do I get this weird looking mesh? Please help! Thanks!
View ArticleHow to save computational time for transient CFD problem
Hi everybody, My model aims to couple fluid flow in the free channel (wellbore) and porous media (formation) for a time-dependent study, and the problem is that the computational time is very large.I...
View ArticleMeshing of complex membrane structure
Dear I am trying to mesh a membrane which consists of three different domains (External, Medium and Internal ) and want to draw mesh convergence plot of my geometery to identify at what mesh property...
View ArticleMapped Meshing
Hello all great minds,I am trying to simulate a simple 3D thermo-mechanical model, Initially I solved the model using tetrahedral elements and now i am shifting to mapped one, just to see is there any...
View ArticleOptimization for residual stresses in metal ceramic assemblies
Hi, I am new to Comsol and I'm trying to simulate the resulting thermal stresses in a metal ceramic assembly. I think the thicker the copper layers the higher are the residual stresses and the larger...
View Articletemporal and spatial discretization
The below post is related to an archived discussion[start here] Is documentation is required in research corresponding to "temporal and spatial discretization" in FEM
View ArticleModelling 'Helix' Turbine- Meshing Problems
Hi All,I'm trying to model an alternative type of turbine, which is a version of vertical axis turbine that is deployed horizontally in a micro hydro electric power setting.I'm relatively new to...
View ArticleErrors of singularities on meshing after integrating the derivative of the...
Hi,We are calculating the optical force within metal scatterers in a PEC bounded structure 2D model. The model is bounded by PEC with PMLs on the left and right sides. We define the background field Eb...
View ArticleHow to prescribe 2D deformation
Hi all,I would like to study aquatic propulsion using 2D simulation. However, I get stuck in the first step: how to prescribe the model deformation?I can find the example "The Virtual Aquarium:...
View ArticleSwept Linking Face Problem Solutions
I am currently having issues linking source faces to its destination face in the swept mesh. The Geometry I am using has a thin device design, and have successfully meshed the source face. When doing...
View ArticleMeshing profile 2D
Hi,I am working on a 2D wing simulation. I drew a convexe profile and I want to mesh it before computing a tuburlent flow SST phyisic. I have troubles with my solutions convergence and I think it is...
View ArticleCreating limited contact geometry
I am currently working on simulating conduction within a small packed bed of uniformly sized spheres but having problems with building the geometry and meshing. If I try to form a union, some of the...
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