Urgent help in Meshing required...
Hi, Im working on building a rf MEMS switch since past months. The big problem i'm facing is in user control meshing. i'm still not clear what to select under ''size of minimal element, Size of maximum...
View ArticleStore part of solution for next run
Hi: I have 2D and 3D models of the same experiment which are in the same file. I would like to do two things: 1) Store the solution of the 3D run and store seperately the data from a "cutplane". 2) Use...
View ArticleDisproportionate Number of Degrees of Freedom
Hi All Using an adapted mesh roughly numbering 2 million mesh elements, the solver calculates based on 14 million degrees of freedom which is outside my RAM capabilities (48Gb). When using a normal...
View ArticleElectromechanical Response of Comb Drive and Folded Spring
Hi, I am trying to simulate the electromechanical response of a comb drive capacitor and flexure folded spring. However, I have been struggling with creating the proper meshing and receiving the...
View Articleperistaltic pump model convergence
Hello, I am working on a model that is similar to the peristaltic pump model available in the “model gallery”. I would like to use this example to present my problem. The peristaltic pump model does...
View ArticleAutomatic Remeshing for Moving Meshes
According to the release notes, version 4.2 is supposed to have a new automatic remeshing feature for moving meshes:"For a simulation that includes a moving mesh, a new automatic remeshing feature...
View ArticleUsing 3D model data as input for 2D model
Hi Everyone! I have a 3D model with coupled flow and electro-chemistry equations. The equations are weakly coupled, so I know from previous experience that I can run the flow and electro-chemistry...
View ArticleProblem with Mesh Swept
There is something I don't get right with the Mesh Swept option. I used the model "biased_resonator_3d_modes.mph" from the Model Library as a starting point. There they built a mesh on one face of the...
View ArticleHow to export data on selected points
Hi All I have 1D line plot and I want to export the data of the plot on selected grid points, not the entire plot. Any Idea or suggestion would be of great help. Regards, A.
View ArticleQuestion about your paper on liquid metal deformation
Dear Ivar , I am currently working on the subject "Liquid metal deformation by means of magnetic pressure". I have done the theoretical approach and experimental validation and to conclude this...
View Articleneed help about general information of Comsol
Hi Ivar, Would you please help me to find general information about how Comsol works? I need to know more details how Comsol starts to solve the equations? for example time discretization in comsol is...
View ArticleNo Laplace Pressure (interface curvature) in multiphase level set simulation
Hello everybody, I am simulating in version 4.3 a drop of oil in water with the level set multiphase module coupled with the electrostatic module as in the electrocoalescence example from the model...
View ArticleElement killing during laser melting
Dear friends I am working on laser cutting with moving heat source with subsequent stress analysis. I have successfully simulated the thermal analysis . However, I dont know how to delete/kill those...
View ArticleWaveguide spot size converter
Hi, I am trying to setup a 3d model, using the Wave Optics Beam Envelopes Method, for simulating fiber to chip coupling using a waveguide spot size converter. The waveguide is only tapered in the...
View ArticleDerivative of a dependent variable
Hello, I am using the values of a dependent variable 'phi' and its derivative in Matlab. For some reason, the numbers of nodes are different between the original dependent variable and its derivative....
View ArticleCan I access each cell's residual
Hi, I was wondering if it is possible to access the flow residuals from a UDF? I need to be able to access the momentum and continuity residual for every cell in the computational mesh. Thanks, Farid
View ArticleMeshing 2-D and 3-D geometries with matching meshes
Hi! I have a very expensive 3-D electro-chemistry problem which I am trying to simplify. The problem has fluid flow and electro-chemistry (tertiary current distribution) equations in it. I would like...
View ArticleUrgent help in Meshing required...
Hi, Im working on building a rf MEMS switch since past months. The big problem i'm facing is in user control meshing. i'm still not clear what to select under ''size of minimal element, Size of maximum...
View ArticleStore part of solution for next run
Hi: I have 2D and 3D models of the same experiment which are in the same file. I would like to do two things: 1) Store the solution of the 3D run and store seperately the data from a "cutplane". 2) Use...
View ArticleDisproportionate Number of Degrees of Freedom
Hi All Using an adapted mesh roughly numbering 2 million mesh elements, the solver calculates based on 14 million degrees of freedom which is outside my RAM capabilities (48Gb). When using a normal...
View Article