TableFeature addColumn does not modify Table
Hi,I am trying to create a Result Table in the App Builder using this code:String tableTag = model.result().table().uniquetag("dott"); TableFeature table = model.result().table().create(tableTag,...
View ArticleCouple a 3D with a 1D model
Hello,I would like to calculate the heat conduction in a metal plate, which is cooled with cooling water that flows through a borehole in the plate. The conduction in the plate should be modeled in 3D....
View ArticleICPF boundary condition
Hello,Using transport of diluted species,I am trying to model the acutation of an impc (ionic polymer metal composite) and as a first step i am trying to solve PNP equations for the conecntartion &...
View ArticleTopology optimization of conjugate heat transfer problem
Need information regarind Topology optimization application to natural convection problem in COMSOL. Required some documents or .mph files to implement
View Articleadditional boundary condition of normal component of electric field on metal...
The below post is related to an archived discussion[May be an older post, but i also have the same question, how to impose addtional boundary condition of continuity of normal components of electric...
View ArticleErrors to find a solution ( Maximum number of Newton iterations reached )
HiIm in the work of building MRI gradient coils. Now working on 3 pair of maxwell coils carrying current opposite side. I have built the model and the computation is not succedded.i get the...
View ArticleCFD benchmark test
Hi, is there anywhere a COMSOL user (using the CFD module) working on a workstation with two XEON Gold 6128 processors, preferably a Lenovo P720 Workstation? I would like to ask you to perform a...
View Article1D plot on Log scale
Dear friends Is it possible to draw (obtain) comsol results on log log scale? May be If possible how?
View Articleoptical fiber bent
Hi, I am working on optical fiber simulation.I am trying to simulate bent fiber with parabolic graded index profile where n (refractive index profile function) is dependent on "r" and given by the...
View Articlemultiple particle size
Dear all,I would like to relase from the inlet multiple particle size. Exemple : 10% of particles have 10e-6m, 10% have 20% as size ... 10% have 100e-6m as size.Is it possible to do this with comsol?
View ArticleBest moduale to use to for beams of light
I was wondering what would be the best module to use narrow, directed beams of light and their affect upon small objects in the 10^8m-10^7m range. I know of the ray optics moduale but I am unsure if it...
View ArticleMr. Naeem Shahzad Arshad
I want to download and install Comsol Multiphyics. And it seems first i need a trial passcode and license file.kindly guid me , where can i get that ?
View Articlethermal insulators modelling using comsol
I would like to simulate various insulating materials behavior using comsol. I hav tried many modelling scenarios bau have not managed to come to a logical result. Pls help me out by the appropriate...
View Articlephotonic crystal fiber
Hello sir/mam How i can calculate the effective refractive index in COMSOL software? Which fomula or equation we can use for the same?
View ArticlePipeline Overpressure due to thermal expansion
I am having a problem on my high pressure pipelines, when it isolated or fluid is standstill under pressure there is a build pressure which trip off the operation of the system. So I have assume to...
View ArticleIncreasing the Speed of A Time-dependent Study by Using Cluster Computing
Hi,I've seen some posts about using the cluster to speed-up the studies with parametric sweeps, but how can I use the cluster effectively to speed-up a time-dependent study?Thanks,Eman
View ArticleI am developing tensile test using elasto-plastic material properties. I am...
I am a new starter of COMSOL. I am facing this problem. Would you please suggest me what to do? Your help will be highly appreciated.....Feature: Stationary Solver 1 (sol1/s1) Iteration for finding...
View ArticleImporting 2D geometry from CAD
I've imported a 2d geometry from CAD (image attached).After import , the 2d geometry appears like a surface. I want to retain only the lines that form the boundaries (highlighted in the image...
View ArticleTwo-phase flow: Slip at the interface
Hi all,I built a two-phase flow model using phase-field to track the interface between two immiscible liquids flowing in a microcapillary channel. I validate my model against experimental data and the...
View Articlecannot find Multiphysics Coupling>Global>Electromagnetic Heating
I am following the Heating circuit guide for COMSOL 5.3 (The version I use), the problem is that once I get to the Multipisics part it asks me to do "On the Physics toolbar, click Multiphysics Coupling...
View Article