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Capacitive Tactile Sensor

I am currently working on modeling of capacitive tactile sensor having 6 layers. The force is applied on the top layer and deformation should occur in the PDMS layer which leads to change in...

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Average Velocity at Inlet/Outlet from derived values (after simulation) does...

Hello,So, I am simulating a U-tube heat exchanger. I have an inlet and outlet defined for my simulation, and I input a .11 m/s normal inflow velocity. However, when I take the average velocity at the...

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Deflection of thin PDMS membrane versus time for a constant and uniform...

Hi,I am really new to COMSOL. I am trying to calculate how the deflection, due to uniform pressure load, of a thin PDMS rectangular membrane fixed at the edges, increases with time until it reaches the...

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Calorimeter

Hi everybody,i have a problem. My main task is to simulate the heating inside of a calorimeter. The main geometry consists of a copper cylinder in which a tungsten crucible is integrated. The sample...

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How to calculate confinement loss in pcf and how to plot loss vs wavelength

The below post is related to an archived discussion **Hi i am trying to design a circular lattice pcf in comsol 5.2a. But i dont know how to show some information after compute, such as: confinement...

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Dielectric strength of solid material

Hello,I'm new with comsol and i'm using comsol 5.3.1.I'm trying to test the dielectric rigidity of a solid material (the matierial in my project is PET Polyethylene terephthalate). I don't know how to...

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Prismatic cell design

In batteries and fuel cell modules for 2D , I have done the cylindrical geometry . now ,I need to do the Prismatic geometry and which ,Iam unable to do. please help with this problem.

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Buy Fake & Original Passports, IDs, Driver 's Licenses, Diplomas, English exams TOEFL & IELTS We use high quality equipment and materials to produce counterfeit documents. All secret features...

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bioimpedance

Hi, I am trying to model in the AC/DC module and at the very end when I try to plot the volume impedance density versus frequency for my base electrode, I get the error of " division by zero". Is this...

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Double integration

Hello; is there anyway in comsol to conduct double integration on x and y coordinates. I am trying to use "integrate" expression, but i can only define one variable. Another inquiry, when we use...

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Capacitor between 2 copper wired

Hi everyone, im a french student in mechatronics and i have a project where i have to find how a capacitor between 2 parallel-perpendicular copper wired ( as a ' + ') (but they don't cross each other)...

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Semi-Circular Bend Test

Hi, I am trying to simulate Semi-Circular Bend Test in Comsol, but I am facing multiple problems. I keep getting the same deformation of a sample and the same stress distribution although I give...

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"Failed to form solid object" Warning

Why does COMSOL give me this warning when I import geometry from Solidworks? I have the necessary licences and I am able to import, but cannot import an STL file as a solid, only a mesh. What must I do...

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How to get the uncertainty of the fitted parameters obtained by Optimiaztion...

Hello everyone,Does anyone know how to get the uncertainty of the obtained parameters in Optimization in Comsol, such as 95% confidence interval? Thanks in advance.

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getting error message in modelling phase change problem

can anyone help me in this type of error while modelling phase chnage problem: Undefined variable. - Variable: comp1.u - Geometry: geom1 - Domain: 2 Failed to evaluate variable. - Variable:...

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How to set probe

How to measure the emission and spread from inlet in particle trajectory module

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Two Phase Flow Through the Rectangular Channel using COMSOL PDE's Tool

Hello mam/sir,I hope you remember my two-phase flow case through the rectangular channel using COMSOL Pde's tool. Here I am writing my simulation condition and which kind of problem i am facing.I have...

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Simulation error: Fail to evaluate variable

Hello,I have a problem running my simulation. The error shows Failed to evaluate variable. - Variable: comp1.mef.I0_1 Does anyone know how to solve it and what is the variable?Attached please find my...

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Moving mesh method to simulate laser material interaction

Hello,I am working on the laser material interaction using moving mesh method. I want to study the effects of recoil pressure and other forces (normal and tangential surface forces ) acting on the...

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Grating diffraction

Hello everyone, I am new here. I'm from China.Now I need to use Comsol for grating diffraction experiments.Can you share this example?

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