Heat transfer post processing
Hello, I have the following problem:after solving a comparably simple heat transfer problem I want to evaluate the temperature distribution in a domain in such a way that I want to know the temperature...
View ArticleProblem to setup an simulation case
Problem to setup an simulation caseHi there, I'm new to use this simulation software. I tried to simulate a rotating magnet which create another maganetic field among the balls in a bearing. Those...
View ArticleCan Comsol simulate unsaturated soil behaviour under cyclic traffic load?
For example using Barcelona Basic Model for the unsaturated behaviour simulation. Thank you.
View ArticleEHD Cone Jet
The below post is related to an archived discussionHi,Did you get any reasonable results for the EHD-cone jet simulation. If so, can you share the procedure?Regards, Tawsif
View ArticleUvsI Coil and Required Resistor in Parallel in Electric Circuit Node
Hello COMSOL team and users:I am using an AC current source to excite a UvsI coil in the Electric Circuit node and I see that I have to connect a resistor in parallel with the current source and with...
View ArticleBall-screw
Hi everyone,Is anybody here know how can i model a ball-screw with nut?Thanks
View ArticleCO2 injection
Hi everyone,I am currently doing my final year research project on ‘A modelling study of petro physical properties changing during CO2 injection into carbonate reservoirs’. In my first part of the...
View ArticleQuestions regarding defining a geometry with variables
I recently have met a question when using COMSOL to simulate the deformation of an elastomer membrane. The elastomer membrane I am using is not a flat membrane but has a inhomogeneous surface profile....
View ArticleElectric field parallel to electron current density
Hi,I am trying to make an electro-thermal GaN-HEMT device model on Comsol using the Semiconductor and Heat Transfer modules.I have tried to incorporate the Caughey-Thomas mobility model to evaluate...
View ArticleExtract point values from line and reference them in expressions
Hi, it feels like a very simple question that I have, but I cannot figure out how to do it.Let's say I have a plate that is heated on one side, so a temperature profile is developing across the plate....
View Articlestoring one variable only
Dear all, I have a model with 3 variables of T, P and v. what is the best way of only storing T in solutions to save on size? do I need to do it via batch mode? I dont have COMSOL with matlab so...
View ArticleHow can I determine the heat dissipated in a pin fin model created in COMSOL?
So I have a problem that looks like the attached picture.I have modeled the problem in COMSOL and obtained isothermal contours as well as a 3D figure displaying the temperature distribution.But how can...
View Articleimpedance measurement in comsol
The below post is related to an archived discussion hello..i have made a microfluidic channel in comsol and want to simulate it and measure the impedance with varying amount of fluids...is it possible...
View ArticleHow to solve the error in using multiple solution number for data evaluation?
Dear all,I tested the example for using mapmatrix in the LiveLink™ for MATLAB® User’s Guide. The matlab code is listed as followsmodel = mphopen('modeltutorialllmatlab'); std =...
View ArticleDiscrete phase model
I want to simulate spray cooling which needs thermal interaction between two the flow of discrete phase and continuous phase flow, and also vaporization of discrete phase, I was wondering if it is...
View ArticleWBK Tunneling Model and Thin Insulator Gate
Hello,I am using COMSOL 5.4 with the semiconductor module and I'm trying to simulate a structure that is similar to this one https://www.comsol.de/model/heterojunction-tunneling-65761 , but with a Thin...
View ArticleEM harvester with moving coil.
Hello,I'am newby to COMSOL. i'm working on an EM harvester with a printed coil on a vibratng beam and a permanent magnet. I have some technical questions for the design.1- is it possible to design a...
View ArticleUnderstanding the log file generated by 4 nodes with cluster computing
Hi all,I am trying to read the log file generated while using cluster computing on 4 nodes. I am using distributed memory approch. Moreover, the domain decomposition solver has been used in the study....
View ArticleMoving the Position of Upper Boundary in a 2D Model
Hi everyone,I am trying to create a 2D heat transfer model in which the position of my upper boundary changes with time. Let's say from t = 0 to 300 days , the upper boundary lies at y = 5 m. After 300...
View Articlehow to remove planes interactions if I made many extrudes above each other .
how to remove planes interactions if I made many extrudes above each other even I make the whole model one unit but still intersections planes between diffrent extrudes surfaces ?
View Article