how to realize convergence in highly doped semiconductor in COMSOL 4.4
I meet the convergence problem when modeling highly doped semiconductor in COMSOL. What I model is a P-n heterojuction, the concentration of the acceptor is 1e18/cm3, the concentration of the donor is...
View ArticleConverting a 2D Axisymmetric Model into a 2D Model
Hi All I am trying to take the 2D axisymmetric DC Discharge example in the COMSOL Plasma Module and convert it to a conventional 2D model. This is to gain experience with 2D DC discharges as I will be...
View Articleexporting convergence plot data
Hello, I have a somewhat naïve question: how can I export the Convergence Plot 1 or 2 data as a text or csv file? Is there a way? Many thanks in advance, Fred
View Article3D Lithium Air Model
Hello everyone, I am trying to build a 3D Model of a Lithium-Air-battery based on the 1D Version from COMSOL's model library. Everytime I run the simulation i receive the following error after several...
View ArticleImproving Robustness in consideration of changing material properties
Hello Comsol community! I have successfully built the skeleton of my model! However, when I alter the material properties (dynamic viscosity and density in this case), the model stops working. I mean...
View Articleconvergence problem in heat transfer interface
Dear all, When I combine the electric current interface and heat transfer interface,if the setting electric potential (E) is small (1V), and the time domain is short, the simulation works. However, if...
View ArticleModeling Insulin Flow Through Porous Adipose Tissue
Hello Fellow Comsol Users, I am getting stuck attempting to model insulin flow. As of now, I am using laminar flow to model insulin being injected from a canulla into adipose. At this point, I used...
View ArticleConvergence Plot
Hi all, On solving my heat and mass transfer multiphysics problem in comsol 5.2 I got the attached plot for convergence. How can I get an error v/s number of iterations curve? How do I relate inverse...
View Articleconvergence history
Hi All, I find that I cannot show the plot of convergence histroy after I re-open a convergenced case. How can I retrieve the convergence history? Thanks and regards.
View ArticleSolvers in COMSOL
Hello everyone! I am a newbie who seeks help in COMSOL. I have simulated a laminar flow in an annulus using direct solvers. The results match well with the problem (taken from Bird Stewart Lightfoot)....
View ArticleMagnet Shielding Modeling
I am currently attempting to simulate a multi-layered magnetic shield in 3D. The shielding consists of concentric, cylindrical layers of Mu Metal and Superconducting Niobium. I have approached the...
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