magnetic-Fluid-Structure Interaction in a Network of Blood Vessels
The blood vessels are embedded in a biological tissue (the cardiac muscle) and, during the flow of blood, pressure is applied to the internal surfaces producing deformation of the vessel walls. In the...
View ArticleAxial flux permanent magnet generator
Hi Dr. Ivar/All, Iam trying to simulate the axial flux permanent magnet generator with two rotor and a coreless stator sandwiched between two rotor. Permanent Magnets are attached on inner surface of...
View ArticleTime derivative of a surface integration in 4.3
Hi I'm using the magnetic field (mf) physic in time dependent study. I want to calculate the voltage V(t), as v(t) = - d/dt(flux phi) (time derivative of the magnetic flux). I serched the docs and...
View ArticleLater version of COMSOL has robuster and stabler solvers
Dear all, I just want to share my recent experience with a convergence problem. During last several weeks I was struggling with convergence problem. The model has two 2nd-order PDE and Electromagnetic...
View ArticleCluster computing with HPCS 2008
How can I share the Comsol with the compute nodes. Please give each step to do this.
View ArticleSpecified shear boundary condition
hello friends, i am trying to model a problem in which i have to use the boundary condition of wall as moving wall and the boundary condition of teh bubble as zero shear stress condition. How to...
View Articlecalculating a flux through a curved surface
Hi, I working on solving the electrokinetics problem in the attached geometry. I solve the problem but I am having problems with post-processing. I am interested in calculating the flux through the...
View ArticleAdding physical parameters
Hi I have question,please help me I want to add some physical parameters to my waveguides,how can i do this? both of them is: parameter: signal absorption cross section at 1527nm (σ12) value:4.8*10e-21...
View ArticleUsing interpolation to define temperature-dependent material properties
Hi, I am a COMSOL beginner. Trying to added a file containing temperatures and measured material properties and then utilize an interpolation function to define the temperature-dependent material...
View Articlechoosing modes in pcf
Hi everybody ! I am using COMSOL 4.3.151. I am trying to get the norm of electric field for the LP11 mode.But I do not know for what value of effective index I will get that.I am already getting the...
View ArticleWhen we using meshing?
Hi please help me I started define a waveguide with this software,and i have a question: when we using meshing? friends please help me thanks
View ArticleHeat transfer
hi, i need to calculate thermal conductivity for various volume fraction of ALN with PMMA. In that paper they mentioned about When the sample is given a heat power,the direction of heat transfer is...
View ArticleHow to get current from current source
Hi. I've build a model consisting of 4 electrodes, soil and air. The two outer electrodes are assigned with current source. One with a positive magnitude and the other with a negative sign at the same...
View ArticleConvergence problems with non-newtonian power law fluid
Hi, I'm modeling fluid flow through a microfluidic bifurcating network. Among other things, I am calculating the volumetric flow rate for a given applied pressure and comparing it to experiment. The...
View ArticleReading Deformation graph
I am getting a coloured graph for deformation in microgripper. Now I want to get the values of deformation at different point(x,y,z) (instead of graph) please let me know how to get that in comsol.
View ArticleUsing PDE to model 3D Maxwell equations for wavelength generation
Hi everyone I want to use PDE to model 3D Maxwell equations for wavelength generation by simulating the ultrafast laser beam interacting with gasous material in a gas cell. The equations in cylindrical...
View ArticleIntegration coupling variables
I am solving the Navier-Stokes equation in 3D (time-dependent). Afterwards I like to compute the total kinetic energy by integrating the velocity squared over the volume. I like to have this energy...
View ArticleProblems generating lamb waves in an Aluminum plate
Hi, I am trying to generate lamb waves in an Aluminum Plate using a Piezoelectric actuator placed in the center of the plate. I am pretty sure that the physics involved are solid mechanics and...
View ArticleThin Film BAW Composite Resonator simulation in COMOSL 3.5a
I'm currently engaged in the simulation of FBAR device in COMSOL 3.5a, and want to use this model. However, "in the model library", I find that the admittance of electrode is defined as...
View ArticleNACA 0012 Airfoil with Spalart-Allmaras turbulence model
Hello, I am new to COMSOL and I thought I would start with a relatively simple model: a NACA 0012 airfoil at 0 angle of attack. The domain is small and the mesh resolution is relatively coarse to get...
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