Comsol Error
Hi, I have tried to "remesh deformed geometry" on a dataset in order to export the deformed geometry as stl-file but I get the following error: =>unsupported operation for mesh of virtual composite...
View Articlecapacitive accelerometer
hi, my project is capacitive accelerometer.i am totally new to this sofware.so can you please help me out with my problems. for a start i need a structure for comb drive actuator which i will be using...
View ArticleCAD import preparation for successful modeling
In preparing CAD models for effective modeling, I have made the following I have found the following to be useful: 1) Importing to COMSOL as solids only 2) Ticking the three boxes for repair options in...
View ArticleNo-slip on interior boundary
I like to solve (Comsol 4.1) Navier-Stokes (incompressible) in a 2D-domain that has an interior boundary (typically a line starting at some point on the exterior boundary and ending at some point...
View ArticleFiber Bragg Grating simulation using COMSOL v3.4
Hello ppl, Im new here. Im doin thesis on Fiber Bragg Grating simulation. Can anyone help me on FBG issue that is it possible to design Fiber Bragg Grating using COMSOL v3.4? Let me know ASAP plz. Thanks.
View ArticleHow to cut a geometry
Hello, I have a 3D geometry and I need to cut half of it to create a symmetry plane. Can you please describe the steps. Thanks. Regards, Dimitris
View ArticleSet geometry/boundaries using a variable?
Hello, I am trying to solve the device physics equations for a 1D (eventually 2-3D) solar cell with the PDE solver. However, a solar cell of fixed total thickness and two physical layers typically has...
View ArticleModeling Multi-turn circular coil
Hi, I would like to model a multi-turn circular coil as shown in the picture. However, i am confused with the modeling procedure. My objective is to perform RF coil simulating in Comsol. As that i am...
View ArticleHow to unite objects with assembly mode?
Hi everyone, I'm modelling coils using the Multi-Turn Coil Domain, and I'm having trouble getting the magnetic fields to work when I finalize the geometry with an assembly (I need to use assembly mode...
View ArticleSelecting domain inside an object
Hi I have created an object (cylindrical shaped) in Solidworks, and I want to select inside it as air domain (in COMSOL). How should I do this?
View ArticleLinear elastic material
Hi, I implied two linear solid mechanic (linear elastic material) in two rectangular(( Rectangular1)and rectangular2 ) ), there is a common inner boundary( number 2) between these two rectangular, i...
View Articledraw a hollow ( half radius) cylinder
I would like to draw a hollow ( half radius) cylinder with inner radius 12mm, outer radius 25mm with length 1m. I am using COMSOL 3.5a Can you tell me how is draw hollow hollow ( half radius) cylinder?...
View Articleasymmetric model (Ex. cylinder) in 3D, 3.5a
How to draw a asymmetric model (Ex. cylinder) in 3D. Thanks, Vinay Patel.
View ArticleHow to measure the distance between two objects in COMSOL
Hi All, Can anyone tell me how to measure the distance between two objects in COMSOL, such as the distance between to surfaces, distance between one surface to another body? Thanks.
View Articleproblem with selecting the domain, boundary or edge
Hi All, I don't know if you guys have encountered such problem: when I try to select the domain, boundary or edge from the graphic window, I cannot select anything. It seems that the selection by...
View ArticleSelecting a point
I want to get the co-ordinates of an arbitrary region within my model so I can see how the pressure changes at that point. Does anybody know how to do this?
View ArticleParametric Sweep of the Move funcion
Hi, I would like to so a simple parametric sweep of the position of an element in a 2D model. I define a parameter under global definitions and then under Geometry1 I Move1 by that parameter....
View ArticleDifference between form union and form assembly
I performed the "compose" operation on my geometry deleting some parts which I did not want, but then when "from union" those deleted parts showed up again in the final geometry. Only when I do "form...
View Articleaxisymmetric hollow cylinder model with Boundary condition
Hi, I want to draw a axisymmetric hollow cylinder model which is cut axially along the length. The inner tube radius is 12.5mm, shell side radius is 25mm, with length of 1.5m. Also how i have to given...
View ArticleComsol Error
Hi, I have tried to "remesh deformed geometry" on a dataset in order to export the deformed geometry as stl-file but I get the following error: =>unsupported operation for mesh of virtual composite...
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