Two number of solidmechanis on same model
Dear Friends,I am working on simulation of Piezoelectric energy harvesting devices with hypereleastic materials.Can any one suggest me to use techinques of piezoelectric material with Hypereleastic...
View ArticleIs there a way I can modify my Probe values??
Let's say my probe has generated results ofx values y values1 32 41 03 94 53 2(I have numbered it for easy understanding. You can ignore the numbering)Is there a post processing way or means where I...
View ArticleModeling layer adding mechanics for additive manufacturing analysis
Hello fellow Comsol-Users,as part of my masters thesis, I'm currently working on a simulation model to analyze the thermal conduction of support structures produced by additive manufacturing. I'm using...
View ArticleIssue with Hardening Soil Model for Low Values of Soil Cohesion
Hello,I am modeling a slope using Hardening Soil Model. The slope angle is 10 deg and the friction angle and cohesion for sandy soil is 35 deg and 10 Pa (nonzero cohesion for better numerical...
View ArticleTime step dependent on a variable
Hello, I am currently dealing withabout the storage of time steps in time-dependent simulations. In my model, charging and uncharging processes occur. The beginning and end of the phases are controlled...
View ArticleHorizontal Stress in one-dimensional loading by Cam-Clay Model
Hi everyone,I am trying to simulate a cylinder filled material with a vertical one-dimension loading using Cam-Clay model in 2-D axisymmetry. I have been following the "Isotropic Compression" provided...
View ArticlePolar Plot of Scattered pressure field in COMSOL Acoustics
Hi,I was trying to plot scattered pressure from the far field of a 2D circle. But in my Polar Plot Group -> Radiation Pattern, it is not giving me any option in my "Pressure acoustics, Frequency...
View ArticleNegative sound pressure levels over a certain frequency
I am testing the sound pressure levels of a piezo transducer (using PZT-4 as piezo transducer) at different frequencies.The one used is:...
View ArticleParticle tracing for two-phase flow
I add the drag force for the particle, but the drag force has no effect, can you tell me the possible reason? The file can be dowloaded here:...
View ArticleCOMSOL won't start on fresh Windows 10 installation
The below post is related to an archived discussionI have tried to install both COMSOL 5.4 and 5.3a on my newly setup windows 10 machine, but neither of the two runs. I have tried to re-run the...
View ArticleMagnetic Field around multi-turn coil 2D Axisymmetric
Hello,I'm new to Comsol and i'm trying to create a multi-turn coil with a metal rode inside it, for induction heating process.When I compute the magnetic field around the coil, some line go trough the...
View ArticleCurrent distribution in semiconductor
dear all, I am trying to simulate 3d PN junction diode having to metal contact on N material and passing cuurent of 15 mAmp. and want to see the current distribution between two terminal. I am not able...
View ArticleSolver asking for variables in domain it is not supposed to solve for in...
Hi all!I have been working on a model for a while now and keep getting the same kind of errors over and over. It is probably a stupid mistake, as I am a novice in COMSOL (as a student), but I cannot...
View ArticlePropagation of impulse in 3D block
Hi everyone, I am trying to simulate the measurement of an acceleration given by an impulsive force on a 3D block. I set up the time domain analysis looking at user manual and similar simulations in...
View ArticleSimulation of Ram bending of a pipe
I want to study effect of ram bending of a pipe (as shown in attched image) using FEA on comsol. This will be a static structural plastic deformation using elastoplastic material properties. If anyone...
View ArticleNested Optimization
Hello,I like to optimize three variables for certain values. Say: v1=[1 2 3 4], v2=[34 46 34] and v3=[10 11]. I have difficulties in referencing optimization with parametric sweep. I really appreciate...
View ArticleHow to set a Gaussian beam
hi everyone, I am a freshman here. I want to simulate Gaussian beam in Background pressure field in the comsol pressure acoustic module. what can i do? Thank you
View ArticleSimulation Steps
i am fairly new to comsol and i need the steps for the simulation on version 5.3a of the following paper. Please HELP! https://www.sciencedirect.com/science/article/pii/S2211379718301943
View ArticleRoller contact heat transfer
I would like to create an interface that allows for rolling in the x,y plane and allow for heat trasfer. I would like to simualte the thermal expansion of a busbar laying on top of a circuit board...
View Articleproblem in getting dispersion curve
Hi,I am trying to get the dispersion curve of a complex photonic crystal waveguide. I went through the tutorial "bandgap-photonic-crystal". I imported my geometry and changed the boundary conditions...
View Article