Moment at the edge of the structure
Hello,I am doing some FSI simulation for a structure that contains mostly circular beams (wind structure reaction). My question is, how can I need find the moments at the constrained edges of the...
View Articlepiezoelectric fan simulation
Hello, I am working on a piezoelectric fan simulation to study the effect of the fans placement on the air output. I just started learning how to use COMSOL and I can't find much help on how to study a...
View Articlethe fatal error during installation
Hello,when I installed COMSOL in my laptop, some errors appeared.----begin fatal error (1)------ 12:13:16 vcredist_vc141_x64.exe excited with exit code 23 ----end fatal error (1)------How to solve this...
View ArticleSound intensity in time domain
Hi all,Could anyone help me with finding the acoustic intensity in time-domain simulation (pressure acoustic, transient)? I'm particularly struggling as Pressure Acoustic, Transient (actd) module does...
View ArticleRadiation in participating media
Hi everybody, I want to calculate the temperature variation in a building with partially transparent walls caused by irradiation by the Sun. For this I used the Heat transfer with surface-to-surface...
View ArticleIncreasing heat flux due to structural deformation
I am trying to model an object that is thermally expanding due to a temperature change. However, as the geometry deforms, the heat flux (which is causing the temperature change) increases because the...
View ArticleAdd a circuit into electrostatics module in the form of weak form instead of...
Hello everyone,Recently I am working on a PZT device, which has a cir shunt. I need to do a eigenfrequency analysis of this device. But cir module does not support eigenvalue solver. As I know one of...
View Article[Re-edited] Following The Tutorial: Mach-Zehnder Modulator - problem plotting...
Hello! I'm having a little trouble following the Mach-Zehnder tutorialhttps://br.comsol.com/model/mach-zehnder-modulator-15061The graphic result was consistent until before Parametric Sweep The...
View ArticleImpedance analysis - Piezo
Hello,I am using COMSOL 2d Axisymmetric model for the imdepance analysis.I've used a probe defining es.nD*es.omega for the current measurement. Using point graph plotting and 1[V]/(abs(bnd1)), I am...
View ArticleSwept Mesh - Cylinders
Does anyone know how to add swept mesh to the outer surronding hollow cylinder as shown in the figure below. I have created a boundary trianglular mesh on the faces of the cylinders, but COMSOL only...
View Articleneed guidance on setting up block model
Hi all,I am facing some difficulties in establishing my own block model. I have check the application gallery to see if there is similar existing projects that I can adopt.Upon looking through all the...
View ArticleDefine the principle optic axes for a biaxial crystal that are a function of...
Hello,I would like to simulate a special ring resonator in which the principle optic axes of a biaxial crystal rotate as a function of the spatial coordinate phi around the ring.Essentially I have a 2D...
View ArticleImplementation of a Concentration Pulse
Hi everybody I am modelling proteins electrophoresis in a microfluidic device. I am simulating a protein separation by an hydrogel matrix. I tried to implement the protein as initial inflow but I...
View ArticleHCT Cascade
How to construct the FEM matrix (A matrix) of each resonance unit through comsol and transfer it to matlab
View ArticleRF superconductivity simulations
The below post is related to an archived discussion[start here] Hello Hengjiang Ren, did you done that simulation with Superconductors. Or simply done with PEC boundary conditions? If you done the...
View ArticleKinetic inductance
The below post is related to an archived discussionFor simulating kinetic inductacne for MKIDs (microwave kinetic inductance detectors) most of the community use SONNET rather than COMSOL. However, I...
View ArticlePhase field method
Why we consider the contact angle in phase field modelling means what is actuall need of it apart from finding the that the wall is wettable. How does it is used in phase field study?
View ArticleFluid-Structure Interaction in a Network of Blood Vessels
I'd like to simulate laminar flow of a fluid using the geometry presented in figure 3 here (www.comsol.com/model/download/664161/models.sme.blood_vessel.pdf)When the geometry is imported from...
View ArticleGaussian beam illuminated on thin films
Hi, I got a question about setting gaussian beam in the wave-optical module.My structure composes of a thin Fe layer (5 nm) on the SiO2 substrate, laser wavelength 800 nm.The COMSOL tutorial "Nanorod"...
View ArticleStanding Waves
Hello all,I am using Structural Mechanics (Solids), Eigenfrequency and Frequency Domain solution methods in my analysis. I need your advice regarding my problems in modelling.I would like to model...
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