Exporting Comsol data to Matlab?
Hello everybody, I want to postprocess Comsol data in Matlab. Since Ascii files blow up in size and I get "out of memory error", I'm looking for some other way. I've no experience with Comsol-Matlab...
View Articlesimulation of solidification or crystallization using Phase-field method?
I didn't find examples in the model libraries that can be referd to. Does anyone can recommend some references to me to read about how to simulate solidification using the phase-field method in COMSOL?...
View ArticleAC current induced oscillations of electrothermal actuator driven by the...
Hello everybody, I'm trying to simulate a resonance mode oscillations of bimorph electrothermal actuator driven by Joule heating through AC current. So far I've been trying to realize it through...
View ArticleUse contour plots as geometric entities
I saw in the release highlight video that in v4.3a that you can use contour plots as geometric entities. How do you do this?
View ArticleRotation
Hello, I am trying to allow the remanent flux density within a magneto-active elastomer (MAE) to rotate with the elastomer as a magnetic field is applied to the material. Within the ampere's law that...
View ArticleHow to turn bézier curves into surface
Hi, is it possible to turn a bézier curve into a surface which can be extruded? Thank you for your help. Sandra
View Articlecould anyone can help me to draw a spherical cap
i want to study the sound radiation from a spherical cap. and i need to get the regular meshes at the surface of the spherical cap, thanks a lot for the person who gives help to me.
View Articleintegrating a lookup table for frequency dependent variables
Hi everyone, I have created a lookup table for frequency dependent values of epsilon_r. This table includes two interpolation functions: one for the real part (eps_real) and the other for the imaginary...
View ArticleHelp with Tracer Dye Profile in Laminar Pipe Flow
I am new to COMSOL. I am currently in a Finite Element class and we have an educational license for Abaqus, but as the lone environmental engineer in the class it doesn't provide me with much useful...
View Articlestudy enzyme kinetics
Hi I want to use COMSOL to study enzyme kinetics and their activity, so I need ideas to create a model that helps me to simulate the environment of the enzyme. so can you give me some help .. cordially
View ArticleHow does COMSOL treat a line source in 3D?
Hello everybody, I am simulating a heat transfer problem which incorporates line sources. Does anybody know how COMSOL deals with the singularities? Are nodal points set on the line source? When...
View ArticleMoving sphere in air
I want to set up a simulation about a moving sphere(still or rotating) in air. But I do not know which model should I use and how to set up the simulation. Is there anyone who can help me with it? (...
View ArticleCan shell unit link with solid unit directly?
I want to calculate the eigenfrequency of the sturcture below (in the attachment),but I am not sure whether the model I built is reasonable, can anybody help me check it ? (I use shell unit in above...
View ArticleIdentity pair as port source in Comsol 4
Hi all Does anybody knows how to set "identiy pair" as "port" in Comsol 4.0a or 4.1? I am calculating the reflectance and transmittance in Comsol. Previously, I used Comsol 3.5a for this work (refer...
View ArticleIs there a simple way to obtain the historic maximum of a variable?
The variable may increase and descrease as function of time. It is needed for coupling analysis, instead of output.
View ArticleMerging 2 models
I have a Comsol Model of a Maxwell Coil and a model of Helmhotlz coil with defined geometries. Now I want to make a simulation in which I can place these 2 coils together and simulate their magnetic...
View ArticleSolving Time-Dependent Problems - mesh size?
Hi guys! I have a very quick question. Does the MESH SIZE have an influence on the time step when solving the time dependent problems? If so, does COMSOL have some automatic changing of the time step...
View Articledielectric properties of ice
Hi, I am modelling ice between two nonparallel capacitor plates to model its dielectric properties variation at different frequencies. I am using sweeping the frequency in the stationary studies....
View Articlehow can we simulate the cycle of tidal
Hi everybody, i have the model of concrete cube Cm x 16 Cm, i have to simulate this model with condition of the tidal, that s mean : 6 h humidification and 6 h drying so the results of the fist step is...
View Article