Simulation of a wireless power system
Hi, I am trying to simulate a wireless power system between two coils. The transmitting coil is connected parallel to a electric circuit consisting of a capacitor and a voltage source in parallel. I...
View Articlehow to model capacitive RF MEMS shunt switches
Halo..i need who can help me to model the capacitive RF MEMS shunt switches. i'm still new doing simulation by COMSOL 4.3
View ArticleProblem with CPT
Hello. Every time I put into the model Charged particle tracing CPT. Everything works normally, but can not create any output with CPT. Thank.
View ArticleParticle Tracing Module
I am using COMSOL 4.3a and I am having trouble with the particle tracing module. I have built a geometry in which I solve for the Electric potential. I now want to apply a Dielectrophoretic force on...
View ArticleMoving top hat heat source
Hello, I'm trying to create a moving heat source with the energy profile of a top hat. So far I was able to move a circular heat source with a 'waveform' function. But I only managed to create a...
View ArticleShape optimization of radiating plate
Dear all, I'm currently optimizing the shape of a vibrating plate in an closed hollow cylinder filled with air to get an as straight as possible wavefront. I model it 2D axisymmetric and make use of...
View ArticleQuestion about example- "Plasmonic wire grating"
Dear all: I have a question about the example "Plasmonic wire grating". In this model, I saw that the Floquet boundary condition applied at the left and right boundary is that kF=kax (wave vector),...
View Articleexporting parametric sweep analysis
Hi I am simulating a fibre using parametric sweep option where parameter is frequency. I am able to export the data for one frequency in a file but not for all in a single file. Can anybody tell me how...
View ArticleGenerate and plot 3D solution, given 2D solution
Hi all, I'm using weak-form modeling to solve for a vector field u(x,y,z). The vector field has 3 scalar components u1, u2 and u3. I know the functional form of the solution in the z-direction; it is...
View Articlemeshvol
Hello, I'm looking to extract the area/volume of each mesh element of my model. I then discovered the quantity meshvol. However I'm not exactly sure what this gives me: using meshvol I get a scalar...
View ArticleTransport of concentrated species, Membrane gas separation
I've attached simplified model describing transport of the one component through membrane. I've made it simple to make you catch a problem easily. In my advanced model I'm using Laminar Flow physics...
View ArticleAccuracy of Simulation
Dear all, I am currently working on a complex micro mechanical structure. I simulated this structure in solid, strain-stress module. But I am not sure about accuracy of my simulations. Is there any way...
View ArticleHow to input this equation in PDE module
hi, all I want to construct a 3D model in PDE module using the following equation. I have read the help file several days, but can not figure out how to do this using either coefficient form or general...
View ArticleHow to calculate/indicate revers wall shear stress in Comsol?
Hello, I calculate the flow in arteries and I would like to show that for some time steps the wall shear stress has the opposite direction, for example in the curves, branches, etc. For the straight...
View ArticleResources for plasmonic wire grating
Hello All, I am trying to remodel the device in the 'plasmonic wire grating' example by varying diameter and material of the wires. As a background reading I wanted to read in depth about plasmonic...
View ArticleHow to set the remanent flux density in a simple magnetic force calculation?
HI everyone, I'm a starter using the comsol 4.2a. And I would like to simulate the magnet force on an iron bar from a permanent magnet. The model is built and it works, but the simulation result own a...
View ArticleDesign of Superlens in visible range using Metamaterials
Can somebody help me with designing superlens in visible range using Metamaterials..
View ArticleModel interaction problem.
Good evening, I'm resuming my activities regard the simulation of the isolator. This time now I'm having problem with the interaction between the Lid and the Rubber. The lid is being pulled/pushed by...
View Articleviscoelastic material
Hi everybody, i am a Comsol newbie and shortly i explain you my problem: i have to define a material which follows the Maxwell Generalized Model using Solid Mechanics Module. Any ideas on how to...
View ArticleImporting Solidworks and Meshing
Hello, I am fairly new to COMSOL, but am wondering if there is a quick way to import a 3D model from solidworks, let's say a valve, and be able to generate the "empty" space within the valve, which...
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