Getting 1D and 2D results to match
I am trying to solve a 2D planer and 1D line heat transfer model. The 2D model has a heat generating source in the middle and is surrounded by various materials with different thermal conductivities....
View ArticleAeroacoustic analysis of HVAC diffusers
Hi,I'm new to comsol and I'd like to simulate the noise produced from an HVAC ceiling diffuser and how it spreads to the room with varying air velocities.Can anyone give me some tips to go about this...
View Articlecontact problem in thermal stress module
I want to simulation fracture or crack how to have effcts on the deformation of module under the thermal-manchanics coupling,but I donot know how to deal with contact due to crack run through the...
View ArticleAutomatic Remeshing errors
Can someone know the error given by COMSOL. Will be great if point out. - - - Feature: Automatic Remeshing (sol1/t1/arDef) - Feature: Time-Dependent Solver 1 (sol1/t1) Failed to find consistent initial...
View ArticleAC/DC Module
Hi i have been trying to follow some of the tutorial posted on the comsol blogs about rotating machines but i haven't been able to find the "Prescribed Rotational Velocity" option in my COMSOL 5.3a....
View ArticleFitting temperature to the node coordinates via livelink for matlab
Hi,i`ve imported a quite simple model from comsol (version 5.4) to matlab and extracted the state space matrices via "mphstate". Since my model is pure heattransfer in solids the size of the matrices...
View Articleprobe measurement
i have formulated a human tissue as a cube and excitation is provided. I need to measurethe surface ecg from the outer surfaceof the cube. How can I measure the magnitude from the surafce?
View ArticleTrial Passcode
Hi,I need trial passcode to avail my trial version. I tried contacting support center by sending an email. Can anyone help me get trial passocde?
View ArticleWeak constraints
Can anyone explain me, how can I implement the boundary conditions (in the attached file after taking the contour integral zero) or weak constraints to an elliptical shape gas bubble moving in fluid...
View ArticleReservoir SPE study one-Problem during assigning the each grid property
The reservoir is generated with a dimensions of x-7.62 m y-7.62 m z-0.762 mI have created the grid according to the SPE study by considering the layers in the z (20 no's) direction. the number of grid...
View ArticleHow to coupling Electrochemical Field(electrical analysis) and Fluid-solid...
I would like to coupling Electrochemical Field(electrical analysis) and Fluid-solid Coupling Field,while software error shows there is no consistent initial value and the last step is not convergence....
View ArticleThermal stress
Hello everyone, I want to simulate an experiment that is loaded after heating. could you give me some advices to how to deal with this process? If you can give me sone advice, I will be grateful.
View ArticleLight scattering: how to get the scattered magnetic field?
Hi,I am solving light scattering problems by nanostructures, along the same lines as the Au sphere demo. Is there a simple way to obtain a plot of the scattered H field in the same way as the scattered...
View ArticleALE for droplet
The below post is related to an archived discussion[start here] Hi, I am new to moving mesh technique actually. So any help would be highly appreciated.I am trying to use ALE to simulate a drolet of a...
View Articlepost processing: project 2D data onto 1D axis
Hi, I was trying to compute the profile of molecule concentration (which is the result of certain stationary or time-dependent study) by projecting the 2D data onto a 1D axis. Like showing in the...
View Articleskin effect and impedance coil
Hi, I'm simulating a copper coil immersed in an air box. I'm using the AC / DC module, the physical magnetic fields and in the study the frequency domain steps and geometry analysis, I'm meshando the...
View ArticleTransient Heat Transfer Analysis With Time Varying Heat Source
Hi, I'm new to the comsol. I'm doing transient heat tranfer analysis in which heat source would change with respect to time.But I don't know how to do that. So please help meThanks a lot
View ArticleInput Geometry from coordinates
Hello,I have a file of multiple sphere coordinates (x y z radius) vectors and would like to input the geometry in comsol in order to recreate a packed sphere bed.I cant find how to create those...
View Articleprobe measurement - urgent
I am stuck with my simulation in usage of probes. Can anyone help me to understand the difference between point probe, and edge probe? How are the measurements performed in both these cases? Is there...
View ArticleDropping coin into fluid with high viscosity.
Hi all,I am Noivce to this field. I am interested to analysis the fluid thickness between the coin and bottom surface of container. Let's assume a hollow cylinder with 30 mm internal diameter and drop...
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