How do I find wireless power transfer efficiency in comsol?
Hello, I have designed a wirelesss power transfer system using loop antenna in comsol multiphysics 5.4 . I have computed the S-parameter but I am having problems finding the efficiency of the system....
View ArticleVibration of a 3D fixed-fixed string
When I do the eigenfrequency study for the string, all I get are axial modes and not transverse modes. Could someone tell me why it is happening? I ticked the box to include geometric...
View ArticleQuery regarding conjugate heat transfer/multiphysics coupling
Hello,I have a query regarding the conjugate heat transfer probelm. I am solving a laminar flow ("laminar flow" interface) problem with a solid heat source heating the fluid. So I used "heat transfer...
View ArticleImporting the actual temperature data
Hello, I am trying to test my heat and mass transfer model using the actual temperature data collected in the real experiment. As the actual temperature profile data irregularly varies with time, I...
View Articlemesh paired domains
Hello I've spent several days on this and I need help. I would like to mesh an apple containing different domains. My approach thus far: 1) The structure information was exported from Avizo as an stl...
View ArticleThe objective is only evaluated at the final time in optimization?
Hello, I am using the optimization module in conjunction with the Heat Transfer in topology optimization. After computation, I always get the warning message: ' The objective is only evaluated at the...
View ArticleChange Space Dimension From 2D To 3D While Preserving Model Configuration
The below post is related to an archived discussionI have seen the previous post about this question. It is very convinient that we can copy the physics from available models which helps to switch the...
View ArticleSame velocity profiles for continuous and dispersed phase in case of...
I am simulating a problem using multiphase mixture model in Comsol. The flow is laminar and there is a continuous liquid phase with dispersed particles. I am visualising the flow for 120s. The velocity...
View Articlehow to set the ball hinge
My project is about windshield of insulator strings. I need to analyze the force of the insulator string. Each insulator is equivalent to a beam. The uppermost end of the insulator string is connected...
View ArticleFeature: Stationary Solver 1 (sol1/s1) Adaptation gives the same mesh:...
Hello, if I want to do an adaptive mesh refinement, I get this error. Does anyone know what should cause this problem? (I am begginer in comsol) Thank you.
View Articleincrease the font in the graphics window
The below post is related to an archived discussionHow do you increase the font in the graphics window?, under Windows 10, only for Comsol.For the help, thanks
View ArticleHow can I compress a cylinder on the sides of it?
Hi all,I am trying to compress a cylinder on the sides instead of the top/bottom, but I find it is hard to set up boudary conditions, what would the pressure type be like and what constrains should I...
View ArticleProblems in processing plastic strain and von mise in thermal stress(plastic)...
Hello everyone,I am modeling a thernal shock process of a Ag-SnO2 composite on a representative cell. The zero stress state starts from 800 C, and then cooling to room temperautre.As the CTE of Ag and...
View ArticleQuery intiated at comsol website
Hi ,I wish you Good Health. I am using a licence version 5.3a in Physics Department university of Gujarat Pakistan i am facing problems in COMSOL plasmonic solar cell Simulation, that is1) how can i...
View ArticleLaminar inflow doesn't show in boundary conditions
I am a newbe to Comsol. In order to master the Comsol, I am trying to slove one of the available one's in Comsol library. In the "Optimization of a Tesla Microvalve" I am trying to define all things by...
View ArticlePoroelasticity
Hi everyone,I have some issues with my simulation regarding a poroelastic material introduced within the female breast. I have to simulate the interaction between my scaffold, whose porosity and...
View ArticleMicrowave Microplasma simulation
In the module given here, plasma medium is argon. I have to simulate plasma generated in water. How should I proceed? And from where I will get cross section impact reactions of water?
View ArticleError "Cannot open native file"
I've run the same model before with no problems, but now after changing some parameters, I cannot plot the results. Some of the results are 1D Plot Group with a Line Graph, when I press plot, the...
View ArticleAnisotroptic Thermal Conductivity Tensor with in-plane and...
Hello,I am trying to utilize an anisotropic material, the thermal conductivity for which has been defined in literature as in-plane and perpendicular-to-plane components. How can I utilize these...
View ArticleRectangular Pulse Train
How can I create a pulse train of 90 pulses with the pulse strength of V0, the pulse duration of 100us, and the pulse repetition rate of 1 Hz. The pulse train will be applied between two electrode.
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