Sharp Fluid-Fluid Interface
I’m new to COMSOL, and I was hoping someone here would be able to help me. I am trying to model fluid displacement in a pipe. I could use the two-phase flow module, but I don’t need that level of...
View ArticleColors For 2D Plots
Hello, I have a parametric Sweep for 10 data point. Then I need to plot them in a 2D Plot with a legend. I have done that but some colors recycle, so it can be hard to distinguish them. Is there a way...
View ArticleShow parameteric value on plot
I've made a model of a hi-pot test setup to visualize how the electric field changes at a discontinuity as the conductivity changes (fixed potential). I'ts working great, but now I want to make an...
View ArticleHyperelastic anisotropic material modeling problem
I have a hyperelastic anisotropic modeling problem. There is a swelling for the the body. That is to say, the determinant of the deformation gradient equals a fixed constant other than 1. Does anyone...
View ArticleEasy way to convert a complex solid model to shell model
I am working with a complex structure with formed sheet metal and tubes. Wall thickness of ~.030" with linear dimensions on the scale of 8 to 15". Definitely a problem that would benifit from a shell...
View Articlecharged particle tracing help needed
hello, i have a simple box with relative permittivity and electric conductivity = 1. with the mef module i created a magnetic field along the x axis with 10 A/m. i used a working plane inside the box...
View Articletry/catch in matlab for COMSOL
I am doing a parametric sweep in COMSOL with the geometry. The problem is, it is a large parameter space and a few combinations which would be unreasonable to check give an error. It is a stationary...
View ArticleCan I use COMSOL to solve integral equations?
Dear all, I have some integral equation to solve. Can I do that with COMSOL or I always need to change it to PDE? Thanks a lot!
View Articlegive specific values for every mesh point of a boundary as boundary condition
hey everybody, is it possibly to give different values for all points of the mesh on the boundary, respectively? for example, just a vector containing as many values as i have boundary mesh points, or...
View ArticlePlease send me tutorial for ultrasonic wave propogation through liquid
I need tutorial on Ultrasonic wave propogation through liquid.
View ArticleAdaptive meshing
How do I implement adaptive meshing in a 2D mode in COMSOL 4.3a.? -- MKSharma
View ArticleAdaptive meshing
How do I implement adaptive meshing in a 2D mode in COMSOL 4.3a.? -- MKSharma
View ArticleHydraulic Conductivity in Reacting flow in porous media
Hello, Does anyone know if the hydraulic conductivity is still measured in the Reacting Flow in Porous Media node in COMSOL 4.3a? In a similar node in version 4.3, I could measure the hydraulic...
View ArticleWhat Physics I need for a liquid cooling problem with phase change
Dear everyone, I am totally new to COMSOL. Now I am working on simulation of a cooling system. It is a melted material thrown to another liquid (e.g. water). This may cause phase change of water from...
View ArticleEjection step in injection molding
Hi, I am trying to simulating the ejection step of injection molding process using Comsol. After filling plastic into mold cavity, and packing stage, the solidified plastic part is ejected out of mold....
View Articlestudy computation
hi, suppose if i use 3 different studies for three physics in my model do i need to compute each study one by one or 3rd one directly..
View ArticleFEM error
Hello every one. i am new to this COMSOL and with the help some tutorial i learned how to use. i am much familiour with Matlab. i want to ask 1 question, which i am facing in my most of the models. let...
View ArticleModifying the Fluid Flow Equation System
Hi everybody, Is it possible to change the fluid flow equation system in order to fit a logarithmic function in the derivative? I am currently using the earth science module to model a dual porosity...
View Articleheat source setting
HI;I have a question that when I using heat transfer in solid and lamina flow model to simulate heating a crucible in a silicon furnace, when I setting the heat souce desity equal:6000W/m^3, the...
View ArticleIndetity pairs should be fixed?
hello I am running a static structural mechanics problem on comsol multiphysics 3.5 . I have a building and i want to see the effect of a seismic load on my structure .. My problem is that the building...
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