Wrinkling and Core Crushing Failure for Sandwich Composite
I have been trying to simulate wrinkling and core failure under compressive loading and 3-point/4-point bending conditions. I guess, failed because of boundary conditions every time. Maybe anyone wants...
View ArticleResistance too high using frequency domain
Hi, I am new in Comsol and I am trying to realize a model of a common mode choke. My problem is that during the frequency study in order to calculate the losses of the ferromagnetic core I find a...
View ArticleThe difference between ‘Insulation’ and ‘Electron Outlet’
Hi allI have a fairly easy question about "drift-diffusion" physics in Plasma module. There are two types of settings for boundaries: "Electron outlet" and "Insulation". In the "Equation" for both of...
View ArticleBinary Mixture Adsorption
Is there anyone who is working on Binary Mixture Adsorption using Comsol 5.3a?
View Articlestudy update solution
hi....! i model a copper conductor in soil material and pass a current from that conductor. and took mag.flux density graph after taking derivative method. Now i want to change conductivity. so i...
View ArticleStudying E-field of two semi-infinite regions
I'm fairly new to Comsol, and would like some suggestions in setting up a simulation. I want to study the a particular structure (see attachment). Specifically, I want to know the E-field pattern along...
View ArticleInlet and Outlet Conditions for Concentration Profile Over Time
Hi, I have a little familiarity with COMSOL but, I suspect that what I'm trying to do is more advanced. I'm trying to model concentration depletion over time. My model is 2D with water flowing around a...
View ArticleElectromagnetic Singular Matrix Error
Whenever I run the 2D simulation below for a tapered fiber coupled to a rectangular waveguide, I end up with an error that says "Detail: There are 1 void equations (empty rows in matrix) for the...
View ArticleWarning: Low minimum element quality
Hello everyone,I am having a problem getting accurate end results In my solutions. Whenever I Compute my program I just get zeros across the board for all solutions. I keep getting a warning signal...
View ArticlePostprocessing in structural mechanics
Hi, I am a newcomer in comsol. I am doing a cylinder compression test,These are some of the problems I have encountered, and I would be grateful if they were solved.How to draw a curve between any two...
View ArticleClosed circuit flow using an interior fan (for a thermal energy storage design)
The below post is related to an archived discussionHello,I am currently working on the design of a thermal energy storage, and I would like to study convection and conduction in a closed-circuit flow,...
View ArticleEvaporation flux in a porous media
Hi everyone,I am new to Comsol and I am studying the process of drying of a bed of tea leaves, considering them as a porous media. I came across the Comsol model Evaporation in Porous Media with Large...
View ArticleError: No filename given
The below post is related to an archived discussion[start here]A model that previously worked now reads the error: " Feature: Compile Equations: Time Dependent (sol1/st1) Error in multiphysics...
View Articlestudent
I have problems creating the electric field of the XLPE cable. I want to know the effect of the electric field stress. And the effect of the XLPE insulated electric field please help me
View ArticlePlot the 'gap distance' between two points with time
Hello,I am analysing the gas flow in coal mass and the resultant deformation of the coal matrix. There, the gas flows through the coal fractures, diffuses through the coal matrix and adsorbed on to the...
View ArticleHow to use different material for gate dielectric
material used for gate dielectric is silicon dioxide.
View ArticleSRR simulation using comsol
The below post is related to an archived discussion[start here]
View ArticlePlease I need help simulating a suspended microheater
Please I need help simulating a suspended microheater, heater - Platinum, Membrane - Silicon Oxide and Silicon Nitride, suspended over Silicon. I have tried the Joule Heating and Thermal expansion...
View ArticleTransient stress response acoustic silicon membrane
Hi all, I am new to COMSOL. I have already performed eigenfrequency analysis of a 2D silicon plate clamped at both ends vibrating in air. I now want to simulate the transient response of the motion by...
View ArticleHow to set the velocity of rigid domain in Ishell field? How does it relate...
How to set the velocity of rigid domain in Ishell field? How does it relate to the specified velocity in physical field?
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