missing internal contact bounderies when convert to solid
Hi, I have problem with introducing internal contact boundaries. A model consists with two glass plate and two cylindrical objects (model-glass plate contact with cylinders). The cylindrical objects...
View ArticleContact problem at large Indentation
Hello, I am trying to simulate the case that one hard solid object is being pushed "into" another soft solid object under a large force. The two objects are in contact throughout the process. It is...
View ArticleOblique incident of EM wave
HI, I need to simulate one RF module structure where incident wave is oblique. I don't know how to configure it in RF module. Would anyone please help me . Thank you Sanjay
View Articleinitial values in matlab
Hi, I am working on the comsol-matlab interface. I have created a loop that runs two models one at a time and I want the models to get the initial temperature from the last time step of the previous...
View ArticleStop condition in Electromechanics(emi)
I would like to implement a stop condition similar to what is described for a moving mesh problem. The parametric study would stop when the mesh quality is lower than a certain value, inorder to...
View ArticleHow to define geometry position as function of time
Hello, I am currently working on a model where a heat source travels across the surface of a plate. The heat source is a 3D extrusion and I am having issues making it move in the x-direction across the...
View ArticleTime dependant heat flux at the boundary
Hello, I am trying to model 3D tissue. I wish to apply a time-dependent heat flux for one boundary. I have introduced an interpolation function under global definition. Basically, the function is a sin...
View Articlecontact pairs
What I have to define within the pair of contact between a hip prosthesis and a cylinder that simulates the cement?
View ArticleComparison COMSOL with MATLAB
Hi I have found some photos about asphaltene deposited in different pressures,I would like to know what kind of information can be got by COMSOL about theme. By the way,First i have analyzed the photos...
View ArticleProblem : Face is (or has a narrow region that is) much smaller than the...
Hi everyone! I'm trying to mesh a model using Free Thetrahedal with extra fine size. But I keep getting the message below telling me that a single face is much smaller than the element size. I used to...
View Articlehelp: connection error with matlab livelink
I'm trying to get the matlab livelink to work, but no matter what I do I always get the same error: I launch "Comsol with Matlab", the console opens, then Matlab opens, and the following error is...
View ArticleReg:- SHAPE MEMORY ALLOY Behaviour simulation in Comsol 4.2
Dear sir , I have been trying to simulate shape memory effect using electrical current as input in comsol 4.2. I had a problem in giving material properties like coefficient of thermal expansion ,...
View ArticleWhat is the motivation of new Nonlinear Structural Materials Modele in Comsol...
In my opinion Comsol Multyphysics was a tool for all. However, I am disappointed by the new Nonlinear Structural Materials Module. Since in earlier versions, comsol had already nonlinear material...
View ArticleMicrowave not heating, but cooling. Why?
I'm using the Microwave Heating (mh) physics, with a Frequency-stationary study. Temperature initial condition set to 293.15[K]. I have the model surrounded by thermal insulation, except for one part...
View ArticlePrev in Time Dependent Study
Hello, I am solving a time dependent Non-Isothermal Flow problem. I need a way to generate a delta T value during processing. In other words, I need a way to access the value of T from the previous...
View ArticleProblem: 3D Laminar Flow Stationary Solver - Lift and Drag coefficient
Hi, I habe a problem regarding the calculation of the lift and drag coefficient in a stationary solver. I tried to work with the "Drag on a Cylinder" model: The "Drag on a Cylinder" model gives the...
View ArticleMass Concservation in Two Phase Pipe Flow
Hi folks, I was wondering if there is a way to check if the mass conservation principle is uphold in COMSOL for pipe flow. I am using glass spheres in water in my simulation and due to some...
View ArticleWhat is the equivalent of quasi-static magnetic field in Comsol 4.3?
Hi, I used the version 3.3 and 3.3 of COMSOL. Now I upgrade at 4.3 version. I need to use the quasi-static magnetic field module, but I don't find it in 4.3 version. Can you help me?
View ArticleImporting an image and creating a parametric surface
Hello fellow Comsolers... It's been a while since I have been on here, but I am back! I am having quite a basic problem with creating a parametric surface from an image. I create a global definition...
View ArticleHow to get solutions of load cases and use them with mphint2()?
Hi, I've set up load cases in a study. After solving the model I want to use the results of each load case in mphint2(). The solution is stored in one dataset 'dset1'. There are two options for...
View Article