Pile Driving
Hi all,Does anyone have any idea how we can model the process of driving a pile into a soil medium?Thanks. Ramin
View ArticleHow to stop flow of liquid when it goes below its melting point
Hello, I am trying to simulate the effect of recoil pressure during laser processing which results in a flow of molten liquid out of the cavity of the laser processed region. This liquid then...
View ArticleHow to Implement Cumulative Equivalent Minutes at 43 Degrees Celsius in...
please, i need on how to Implement Cumulative Equivalent Minutes at 43 Degrees Celsius in COMSOL 3.4 version
View ArticleSelf-contact
Dear colleagues, please let me know: Is COMSOL capable of contact modeling with self-intersections? Regards Valery
View ArticleHow to use cylindrical coordinates while defining formulas
Hi all,I wanted to know how can we define the cylindrical co-ordinates while using formulas for co-efficient form PDE physics. for example i had to use this equations which is having cylindrical...
View ArticleThermo-Hydro-Mechanical Modelling
Hello everyone, I’m trying to model injrction of cold water from a well into an hot reservoir with COMSOL 5.3. I’m using the three modules Solid mechanics, darcy flow and heat transfer in posous media,...
View ArticleInternal Error In Geometry Composition
The below post is related to an archived discussionSimilar to what was said in the linked post above (which hase been closed), Lately I am spending around 70% of my time fighting the software because...
View ArticleMaterial file for argon gas
I'm doing some CFD work that involves argon. The material files for argon include "Argon [gas]," which has has the density given by the function 522.2077 * T^-1.I'm not sure where that expression is...
View Article2D Axisymmetric, Make open circuit coil without using Coil Feature
Hello,I'm using 2D Axisymmetric, Magnetic field physics. I'd like to see two single turn coils in the air core (simple Wireless Power Transfer System). So I drew two circles.I've checked if I don't use...
View ArticleAluminium Gallium Indium Phosphide (AlGaInP) Semiconductors_NOT FOUND
Hi guys, how can i put a semiconductor material like Aluminium Gallium Indium Phosphide (AlGaInP) on my COMSOL part project? In the semiconductor materials there is AlGaAs and not the AlGaInP material....
View ArticleWeak contribution
At present I am using Comsol 5.3. I have to use a weak expression written as : test(psi)phi_source+test(p)usource, in the version 4.3b. By using this expression in my model, which is in 5.3 ,I am...
View ArticleBUBBLY FLOW GAS INPUT METHOD
Hi guys! I am trying to simulate a simple bubbly flow model Where liquid is Water and gas is Hydrogen. I have to define a wall from which gas will get into the water domain. So, when i use Gas...
View ArticleMaterial setting in RF modul
Hello,I know the conductivity of the material and I set it at conduction current in wave equation, electric. Then I don't know what the relative permittivity and permeability are in wave equation,...
View ArticleCOMSOL MATLAB link Optimization
Hi ThereI'm running a optimization routine linking Comsol simulation and MATLAB uisng optimization function fmincon to fit some of the parameters in a Comsol model which solves some heat and mass...
View ArticleSetting of material properties
Hello,I know the conductivity of the material and I set it at conduction current in wave equation, electric. Then I don't know what the relative permittivity and permeability are in wave equation,...
View Articlethe settings of refractive index or conductivity about Vanadium Dioxide (VO2)...
Hello,does anyone can set the conductivity of VO2 depending on the temperature change, or do you have a specific refractive index or conductivity of VO2 for each temperature?Any reply would be greatly...
View ArticleFourier transformation (time frequency)
Hi,I currently run a time-dependent study with a signal varying sinusoidally. The computation goes well and gives the expected result. However, I would like to use the calculated data for further...
View ArticleThermal Stress in 300 mm silicon Wafer Multi Layer Coating
Hi all,I try to solve a 2d, rotary symmetric model of a 300 mm silicon wafer which is coated with 3 layers in a thickness range of a view tens of nm. The first problem is the high aspect ratio that is...
View ArticleFinding epsilon_r in the Drude-Lorentz model
Hi,I am calculating plasmonic resonance of gold nanoparticles (a bow tie-shaped structure, with light enhancement occuring between the two triangles that make up the bow tie).I want to calculate the...
View ArticleModel of planar capacitance
Hi everyone, I'm new to COMSOL and I need to model this within 1 week, so please bear with me if my question sounds too stupid.I'm designing a circuit where my parallel plate capacitance gets "opened"...
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