CFD 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 ArticleDifference between mf2.Bx/y/z and mf2.normB
Hi.Im working on building 3D gradient coil. When im plotting magnetic flux density im confused with mf2.Bx/y/z and mf2.normB. I need to plot resultant magnetic flux density on X & Y & Z axis....
View ArticleI am planning to take project on MEMS ultrasonic transducer in medical field
I am planning to take project on MEMS ultrasonic transducer in medical field. any suggestions
View ArticleError in NITF
I am trying to simulate the fluid flow in a manifold system and am getting the below error. The coupled interfaces are Turbulent Flow(k-epsilon) and Heat transfer in Fluids. RANS model has been used...
View ArticleSimulate with imported mesh
Hi, I have a .nas format imported to comsol as mesh. However, when I create geometry from imported mesh, another component is created. I wonder wether it is possible to create geometry with imported...
View ArticleRF Wave Oscillations
Hi there,I am relatively new to COMSOL, I am trying to model how the magentic field inside a resonator cavity oscillates within one wavelength of a microwave source applied to the cavity, as if I am...
View ArticleMeaning of some variables in an example "GaAs_PIN_photodiode"
I have a question for the example "GaAs_PIN_photodiode". In equations for the current density, what is "G"? "G" is the function of (n/Nc) ?
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