Ultrasonic ndt of composites using COMSOL
Hi,Does anyone know how to carry out ultrasonic ndt simulation in solids or other structures using comsol? I want to carry out beam propagation using an array of transducers in a solid using comsol....
View ArticlePeriodic Port
Hi all,I recently faced a very strange problem after a long time of using periodic ports. I would really appreciate if someone can help me.I am simulating a metsurface. As usual, I defined two ports (1...
View ArticleSimulating resistive losses in Time-domain RF model
Hello, I have built a model for a microwave cavity resonator using the Electromagnetic Waves, Frequency Domain (emw) physics, where the cavity is a volume of air with the external boundaries using an...
View ArticleSolid Mechanics, Frequency domain, PML layer giving residual error issue
I am working on solid mechanics, frequency domain model. In finite study of a model, I checked all the material property, boundary conditions and meshing, everything is perfect but again I am getting...
View ArticleSpace charge density of moving particles
Hi,I am trying to simulate moving charged particles through an external electric field and I want to include the influence of the space charge density, as well as the self-field of the charged...
View ArticleGeneration of a Bessel Beam Using an AXICON Lens.
Hello,I am looking foward for ideas as to how to generate/make an AXICON (conical lens) in COMSOL and using a source as Gaussian beam (GB) with a specific wavelenght (1064 nm). And hwo to generate a...
View ArticleHow to smooth the parametric curve
Hi All,I have a created a parametric curve while creating a lens. But the smoothness of the curve is not good. can someone please help. I'm using Comsol 5.3 a RF module.Best, Yasith
View ArticleFluid Porous Interface velocity
The below post is related to an archived discussion[start here] As you mentioned : I was getting a jump in tangential velocities across interface. I was hoping that by switching to Brinkman law in the...
View ArticleHow do we input a weak form including "vectorial" test function in COMSOL?
Hello guys,Dose anyone know how to input the weak form of the equation attached as followed in COMSOL? The equation contains three dimensional "vectorial" test function and vectors. We have no idea of...
View ArticleCoil Electromagnetic Heating: Import Voltage Vector like Voltage Source
Hi,I am working on a coil design to simulate the temperature distribution.I am working in a 2D-ax model, which contains the concentric cylinders. I have the voltage that support the reactor (coil with...
View ArticleThermo-mechanical model of a Laser beam Welding process - convergence problems
Dear Comsol community,I´m struggling a lot with my model, as it keeps failing due to convergence problems. My goal is to calculate different reaction forces on clamping devices during laser beam...
View ArticleExpression dialog box problem
Hello COMSOL community,Recently, my COMSOL Desktop 5.3a has some problems with the input into the expression dialog box. When I type some contents, e.g. a number into the Parameters->Expression, the...
View Article"Mode Phase" in Periodic Port?
Hi,I want to know how we should set a right value for "Mode Phase" parameter (circled in the attached picture) when defining a periodic port in analysing a periodic structure?I have a problem that is I...
View ArticleQuestion about the Application builder
Hello, I would like to get an evaluated value by the « global evaluation », in the “results” section, into a variable defined in the application builder, section “methods”.Please see the atatched...
View ArticleHow to export a deformed shell?
Hi,Is there any way to export a bent shell from a structural mechanics simulation? I really need to know how I can do so? Remesh deformed configuration just works for solid and not the shell. Do you...
View ArticleRight Mesh for surrounding space of metal sheet, to check skin-depth effect...
Hello, (My problem .mph file is attached) I'm using AC/DC Module>Magnetic Fields, to simulate the problem, where I have metal sheet (e.g. aluminum) placed underneath a source of magnetic field...
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SOFTWARE IS NOT INSTALLING
Recently I changed my Operating System to Windows 7(32 bit) . The comsol software is not getting installed. What could be the reason. It gives some error message as shown in the image!! Please help me...
View ArticleJob opportunity _Sr. R&D Modeling & Simulation Engineer
I am actively looking for a candidate to immediately fill the position. If interested email me your resume to: sohan.birla@conagra.comJob DescriptionUses modeling and simulation techniques to drive...
View ArticleHow can i obtain imaginary and real part of surface eddy currents ?
Hello,I switch Physics AC/DC>Magnetic Fields and then for Study I switch Frequency Domain.But when i come to post processing to anlyze my results i want to see surface eddy current density imaginary...
View ArticleGeometry dependent upon variables
Hello,I have a 2D axisymetric Solid Mechanics simulation. I have a geometric boundary that changes with applied force. Can I make dependency between geometry and variables in Comsol?Thank you in...
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