velocity caluslation
how to calculate the velocity of one phase when we use two phase level set method?
View ArticleFLuid Flow and ALE
Dear all, it seems I still do not have the slightest idea on implementing moving meshes for my problem. I studied the discussions forum and think, there are many open questions on how to work with...
View Articlemoving wall
i have a question about comsol I am trying to simulate solid-liquid flow in comsol, the geometry of model is 2 cylinders that fluid flows between two cylinders and the cylinder with lower diameter is...
View Articledifference between Capacitively coupled plasma and AC-DBD
Hello Everyone ! Can anyone help me in understanding the difference between capacitively coupled plasma (CCP) and an AC-DBD? I appreciate your effort and help. Thanks a lot!! Best regards Zaid
View ArticleCollision and agglomeration of two particles
Hi all! How I can simulate collision and agglomeration of two particles in particle tracing module? It's can found in process of spheroidisation in rf plasma torch..
View ArticleSimulating two time dependent study
Hi comsolers, I have two study: modelling subsurface flow(using Richards equation), study solute transport study which both of them are time dependent (transient study). How is it possible to couple...
View ArticleFluid pressure as fallback boundary condition
Hi I am squeezing a poroelastic sphere (structural mechanics coupled to Darcy's law) with a rigid, impermeable flat surface and I find that it is not possible to establish the fluid pressure at the...
View ArticleImporting point measurements (coordinates in xyz format) into COMSOL 5.0
Hi all, I am wondering if it is possible to import point measurements into COMSOL. I have a whole range of flow velocity and depth measurements for a river structure. I have already created the 3d...
View ArticleImporting a file from AutoCAD to COMSOL
I have created a 3D building model on AutoCAD and wish to import it to COMSOL for CFD analysis. Can I know the process for importing?
View ArticleMesh
Dear Just I have some questions about setting of the mesh please ( in versions 4.1): 1. What is the difference between the general physics and fluidic dynamic in the calibrated filed? For example if I...
View ArticleFlow rate at inlet
Hi, Could someone help me to understand how the boundary conditions presented in page 5 of the following paper could be implemented in COMSOL? www.comsol.com/paper/download/43839/Smith_pres.pdf Best...
View ArticleFlow rate at inlet
Dear Mr. Ivar, Could you please help me to understand how the boundary conditions presented in page 5 of the following paper could be implemented in...
View ArticleVORTEX TUBE ANALYSIS
I am new to comsol. I am using ansys fluent. to analysis vortex tube in fluent there is an option called swirl dominant flow under k-epsilon. is there any option in comsol like this -- quiting is not...
View ArticleSCHEME SELECTION
Hello, for my analysis i required to simple scheme with second order equation for momentum. I done my calculation analytically now its the time to validate with a commercial software. help me plz --...
View Articlebaffled mixer example
I built and solved the baffled mixer example which worked flawlessly. I am making a mistake when adapting this to the frequently performed test tube research. I followed the instructions below from the...
View ArticleAbout general projection orlinear projection
Hello, hoe are you? I had read this post about projections: www.comsol.com/blogs/analyze-s...-results-projection-operators/ It seems to bevery helpful to calculate the average value of a variable along...
View ArticleFluid flow - solid body rotation coupling problem
Dear all, I am working on a 2D model of a turbine subjected to air and to do this I guess I need to use laminar flow and ale. Also solid mechanics to define a free to rotate connection. What I want to...
View ArticleError in burner model.
I am trying to simulate a version of the "syngas combustion in a round-jet burner" where heat transfer in fluids and reactive flow are coupled. The model works fine in the first step where the reactive...
View ArticleAverage velocity profile problem.
Hi, I am a new comsol user and i am trying to find average velocity profile of water flowing in the pipe but i am only able to get velocity distribution in to the pipe. My question is that how can i...
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