Adaptive mesh refinement within a parametric sweep
I am trying to solve a fluid flow problem over a range of inlet flows using a parametric sweep. The solution does not converge at higher flows, so what I would like to do is run the sweep until it...
View ArticleVibrationg structure in fluid
Hello Everyone, This is my first project with Comsol so I have no clue about what I am doing really. My questions are most likely very simple/stupid I'm sure anyone here can help me. What I want to do...
View ArticleTwo-phase flow including both incompressible and compressible fluids
Hello! I've been struggling to construct a Comsol model that simulates two-phase flow, in which one fluid is water(incompressible), the other is air(compressible), which can reach Mach number of around...
View ArticleSurface evaporation, condensation
Hi, I want to model surface evaporation from a water flow at 40 Celsius and observe the consequent condensation on a cold surface. Can you help me with the model that I should use? I could not find...
View Articleparticle deformation througn a contrained channel
Hi there, I am doing COMSOL simulation to see the behavior of a particle flow through a microchannel. There is a area of the channel where particle size is greater than the cross section. So the...
View ArticlePossible to export the streamline coordinates?
Hi, I am only using the laminar flow conditions, I have plotted the streamline after the simulation, is there anyway to get the streamline coordinate from the simulation? I like to export it if it is...
View ArticleFlow dependence on coordinate system?
I am working on modeling fluid structure interaction, and I have found that the flow changes whenever I move my model to a different location on the coordinate system. I literally selected everything...
View Articleheat exchanger
Hi Im trying to model a heat exchanger under Conjugate Heat Transfer module but i got an error. I attached the file. Would you please look at it and let me know where is my problem? Regards
View ArticlePolynomial Issue with User-defined Variables
I have a 2D rectangular geometry that has porosity and permeability values dependent on x-coordinate. Polynomial expressions are used to define the local porosity and permeability. However, COMSOL does...
View ArticleSegregated Solver
Hello, I was wondering if someone could perhaps explain to me the nature of the segregated solver so that I may understand it a little more clearly. I have seen other threads discussing this in the...
View ArticleWhile Loops and Converge Criteria for pseudo steady state model
Hello, I am attempting to create a series of simulations whose aim it is to examine the influence of my model's physics on the models geometry. What I have is a vascular geometry , which has a certain...
View ArticlePipe Flow-multifluid distillation
Problem consists of 1 inlet pipe with high viscosity fluid. Through distillation process oulet pipes conists of fluids of different viscosities and densities. Has anyone handled this type of problem?...
View ArticleMultiphase flow, heat transfer due to chemical reaction problem
Hi, I have to simulate a problem : A highly viscous liquid is moving with a certain velocity and we are passing a cooling gas, over the surface of the liquid,to see the cooling effect and observe the...
View ArticleWater balloon deformation
Hello, I've only recently started using this program, so my level of knowledge is not very high. I'm trying to model the physical deformation of a water balloon due to external force (get the shape in...
View ArticleSolid Particle motion in microchannel
Hi, I'm currently working on a project where I need to simulate the thermal effects that a moving particle has on a surrounding moving fluid due to a heater situated at the base of a microchannel. For...
View ArticlePulsed Jet
Hello, I'm trying to make a pulsed jet for a tilted Micro Jet for flow control. I want to ask you guys if it's possible to make it, how can i do it? Salut, Je suis entrain d'essayer de réaliser des...
View ArticlePipe Flow-T junction-different viscosities
Is it possible and how it can be done to have the inlet flow with 1 specific viscosity and the 2 outlet flows with different viscosities - in other words a distillation process? Thanks,. -- Arthur Rupel
View ArticleAdaptive mesh refinement within a parametric sweep
I am trying to solve a fluid flow problem over a range of inlet flows using a parametric sweep. The solution does not converge at higher flows, so what I would like to do is run the sweep until it...
View ArticleVibrationg structure in fluid
Hello Everyone, This is my first project with Comsol so I have no clue about what I am doing really. My questions are most likely very simple/stupid I'm sure anyone here can help me. What I want to do...
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