Pair thermal contact
Hello,I want to use pair thermal contact in my simulation ( two polymeric film that press toghether under the defined temperature). actually I get good results that have good agreement with...
View ArticleEvaporating droplet by level-set (How to shrink the drop due o evaporation?)
Hi, I would lilke to simulate an evaporating sessile droplet. I tried the Level-set module in COMSOL but it seems it does not work! At the water-gas interface of a evaporating droplet, the flow is not...
View ArticleHow to transfer desired x,y,z coordinates to MATLAB function?
Hello, I am working on a MATLAB function to calculate my pressure for Comsol. Now my function is working. How can I tell Comsol that i want the x,y,z position? So: In the Global Definitions now I do...
View ArticleThe Java application works fine but the JAR file doesnt work.
Hi,I'm working on a Comsol GUI application with the Java API. I used NetBeans and for begining i tried the beam model. I created the DemoBeamModel.java according to the Comsol Documentation. It works...
View ArticleMaking a executable exe file from BeamModel.mph in windows
Hi,I'm working on Comsol Java API and trying to make a exeutable exe file in windows from BeamModel.mph as i can double click and run it in windows or linux. any idea? is there any way to make it?
View ArticleComsol Java API
Hi,Anybody knows if comsol Javs API models (like BeamModel.java) are runnable by NetBeans/Ecilipse in Linux(ubunto)? I tried and i got some errors. I still couldnt figure it out how to fix it. Any help...
View ArticleHow to use Matlab to manipulate PDEs and directly input it to PDE solvers in...
I am trying to solve a set of non linear coupled PDEs and the results are usually known be not converging without some modifications to the set of equations. These modifications usually makes the...
View ArticleHow to solve PDE with dependent variable?
Hi, all,I am trying to solve two PDEs regarding phase field.The common PDEs include one equation related to phi and another related to chemical composition (c). Here, I non-dimensionlized the...
View ArticleThe value of Electrolyte conductivity
Hello, I'm begginer for comsol, and i'm working on fuel cell modeling. I started with the example PEM GDL 2D. From the parameters table , I found the electrolytic condutivity of membrane = 9 s/m, i'm...
View ArticleStokes-Darcy Coupling
Hello everyone,Working on Stokes-Darcy coupling of a simple 2D geometry; two rectanglar domains where the liquid flows first in the Stokes domain then penetrates into Darcy’s through the interface.The...
View ArticleI want a domain not to override in the free at the Solid Mechanics
I have a immersed beam and want to find the natural frequency. However, for the solid beam the domain is overridden at the Free in Solid Mechanics. Therefore, It does not give me the results I want.And...
View ArticleImplementing the boundary equations in Stokes-Darcy Interface
Hi everyone, Working on Stokes-Darcy coupling of two simple rectanglar 2D domains, the fluid flows in the Stokes domain first then penetrates into Darcy's, there are three simple equations that must be...
View ArticleParticle photon(using DAC converter connected with 2 Wire Speaker) + play...
Hey I have two Wire speaker which I wanted to interface with Particle photon using DAC, I wanted to play audio files through smart phone wireless and listen to the output through 2 wire speaker...
View ArticleRetrieving Boundary Topology in Simulation Applications
Hello Everyone,I am currently trying to create an application which gives users access to the custom physics interface\study steps I have created. However, the geometries I want the user to be able to...
View ArticleChloride Ingress in a Virtual Concrete Microstructure
Concrete is a heterogenous microstruture comprising of various phases such as cement phase, aggregate phase and ITZ. I have a stack of 2D images of a computationally generated 3D concrete...
View ArticleQuenching Simulation
Hello, Can someone help me with the "Heat Transfer in an Oil Quench Simulation" in https://www.comsol.de/video/heat-transfer-oil-quench-simulation. I'd like to know what are the required PDE equations...
View ArticleCoupling mixture model and phase field
Hi,We are trying to couple mixture model and Laminar two phase flow, phase field method. But the initial values which I give in both the models doesn't match and the solutions doesn't progress.As an...
View ArticleImporting STL files
Hi,I'd like to import an stl file into a COMSOL simulation, and the online tutorial says that COMSOL supports this file type. However, when I try to use the import function on the Geometry toolbar, the...
View ArticleYellow Text
Hello!Could someone plz tell me why the text becomes yellow when I write a volume force in laminar flow module of comsol 4.3b?
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