capacitive 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 ArticlePipe Model for heat transfer (Conjugate heat transfer)
Dear All, I solving the conjugate heat transfer problem. The problem definition is: In a shell and tube configuration, the heat transfer fluid is flowing in tube with some velocity and shell side is...
View ArticleImporting an Excel point XYZ elevation file into COMSOL for modeling ice flow
Hello, I have an microsoft excel spreadsheet that has 475 point locations with known latitude, longitude surface elevation, and depth of ice for each point on a valley glacier. I also have 40 locations...
View ArticleHelp me! Error"Internal error in boundary respecting."
Hi, all I want fix it, It is coordinate (-2,06378, 1,35209, 2,8034) Thank a lot Vinh Nguyen
View ArticleHow to deal with meshing for the thin bodies
Hi All, I am dealing with some very thin bodies, let's say, the thickness is 2mm, and width is 1000mm. I encounter difficulity to mesh these thin bodies. Do anyone have some suggestions? Thanks.
View ArticleSimulate an on-chip inductor
Hi :) I am new with Comsol and I am trying to draw an on chip inductor (the square shaped one) and then I want to study the electromagnetic effects and the properties (L and Q..) How can I draw the...
View Articlesection view
I want to view a section through my geometry once the analysis has run. How to I go about this? Thanks, Christabel
View Articleconversion from 2D to 3D
hello, I am building a 'comb drive' model, in the 'electrostatics' division of the 'AC/DC module' in COMSOL 4.2. I need to 'extrude' a 2D model into a 3D one. How do i do that? Thank you
View ArticleProblem: Cylinder appears to be block
I am quite new to this program and I tried to do create a 3D circular duct. I selected Cylinder and chose a radius of 0.004 m. In case of a short height compared to the radius, the cylinder keeps its...
View ArticleHow to change coordinate x to y in 1D?
Hi, Does anyone knows how to change the coordinate x to y in 1D model? I need to do an analysis of Darcy Law using the gravity effects (Buoyancy), but I couldn't rotate from x to y coordinate. Any...
View ArticleImporting an Excel point XYZ elevation file into COMSOL for modeling ice flow
Hello, I have an microsoft excel spreadsheet that has 475 point locations with known latitude, longitude surface elevation, and depth of ice for each point on a valley glacier. I also have 40 locations...
View Articleconversion from 2D to 3D
hello, I am building a 'comb drive' model, in the 'electrostatics' division of the 'AC/DC module' in COMSOL 4.2. I need to 'extrude' a 2D model into a 3D one. How do i do that? Thank you
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 ArticleHelp me! Error"Internal error in boundary respecting."
Hi, all I want fix it, It is coordinate (-2,06378, 1,35209, 2,8034) Thank a lot Vinh Nguyen
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....
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