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Questions related to Comsol Multiphysics
I am using Ansys to study behavior of shear for reinforced concrete beams and I need to plot Load Deflection curve, as shown in the attached picture is load vs time, but I need Load vs deflection
30 January 2022 6,915 3 View
I am trying to calculate the confinement loss in a PCF. So, I analysed 20 modes in 10 different wavelengths and calculated the confinement loss. Now I need to choose which mode from each...
27 January 2022 7,719 4 View
In the Comsol reference manual moving mesh is suggested for solving RF MEMS switches. But the problem is more consistent with deforming geometry because usually the space between membrane and...
26 January 2022 8,350 5 View
I have a viscous polymer and I want to coat this polymer on a glass substrate and currently I am placing the glass slide on a flat surface and then adding a drop of polymer then placing another...
26 January 2022 9,851 7 View
how I can find the effective mechanical properties of a multilayer structure, specifically the elasticity of a multilayer structure? I'm simulating a multilayer membrane RF switch. the membrane...
25 January 2022 6,612 2 View
My model is a 2D axi-symmetric numerical model, with a needle electrode in the middle and a quartz capillary at the periphery, helium is ejected to the outside from the annular gap formed by the...
20 January 2022 3,883 2 View
I am able to solve the Schrodinger Equation of AlGaAs-GaAs Single Quantum well for eigenvalue study. Please suggest how to simulate for Schrodinger-Poisson equation self consistently in COMSOL
20 January 2022 3,742 3 View
Dear all, I want to apply the "periodic" boundary condition to the existing boundaries along wave propagation direction in a curved cell unit (attached image); However, this boundary condition...
17 January 2022 1,774 3 View
What is the most convenient load for dynamo test-rig being designed for low-power motors? We are designing a dynamo test-rig for low-power motor and comparing different types of load. What are...
16 January 2022 4,118 25 View
The flow in question is laminar with a very small Reynolds number. The domain is curved. The lift and drag coefficients are known. How can lagrangian particle tracking be used in comsol to...
15 January 2022 6,000 3 View
Hi All, I have made a 3D model of cantilever with two parts (bottom and top layers). The first part (bottom layer) is 10 μm thick and second part (top layer) is 0.2 μm thick. I have used the...
13 January 2022 4,204 5 View
I want to calculate the thermal response of my unit cell structure in CST 2021. But, when I want to set Temperature Source, It says "No thermal Conductive Solid Has been Defined". But the...
11 January 2022 4,807 5 View
I am using copper as electrode material in the model of a triboelectric nanogenerator in COMSOL. The module is electrostatic. In COMSOL, the built-in relative permittivity of copper metal is 1....
10 January 2022 5,105 3 View
I have a question about simulation of perovskite solar cells in COMSOL-Multiphysics software. Can anybody help me around simulating mesoporous physics of perovskite solar cells in COMSOL? How it...
09 January 2022 3,219 3 View
i'm looking for the right way to compute the dispersion relation related to SPR surface plasmon polaritons using the formula ( Kspp = (w/c)sqrt((eps_d*eps_m)/eps_d+eps_m) should I consider both...
08 January 2022 2,560 3 View
Please share a video link if available
08 January 2022 9,029 1 View
Dear all, how to map the current solution to extended mesh? how to evaluate the U using the previous solution? I am using the comsol 5.4 version. and Matlab 2018b please tell me how to do the above
07 January 2022 5,651 3 View
I am working with a semi-submersible floating offshore wind turbine system and would like to find the frequency domain hydrodynamic coefficients. I am using Workbench to do it but and just...
07 January 2022 3,409 1 View
I ran an acetate-fed MFC. My electrodes are plain carbon cloth at the anode and carbon cloth with Pt catalyst at the cathode. I am using nafion 117 membrane. My open circuit voltage is high (1.08...
05 January 2022 7,868 0 View
I am using a laminar flow module to simulate the flow inside a cylindrical chamber containing two crucibles. I am working on making the mesh more precise to avoid mesh-dependant results. The issue...
04 January 2022 9,371 3 View
Hello everyone! I am working on shape optimization of an aircraft wing. I want to creat mesh in ICEM using scripting so that i can easily change grid for optimized shape. Can somebody guide me...
04 January 2022 4,852 3 View
I am trying to plot a 1D plot for the concentration ratio changes with respect to the height of the solar receiver in a conical shape using comsol multi physics. But I am facing an issue while...
03 January 2022 5,099 2 View
I try to simulate electrospray thruster process that includes taylor cone. I used ac/dc module(electrostatics), multiphase with lavel set ( laminar flow). But the effect of electrostatic force...
02 January 2022 8,961 0 View
Dear network, I'm aiming to simulate a tracer pulse injection, I'm seeking if such boundary condition is already built into OpenFOAM or one needs to code it on his own.
02 January 2022 9,794 5 View