Time dependent material properties
Hello I'm trying to make a simplified thermal model of a Li-Ion battery. I'm using the Joule Heating model and a time dependent study. I want to model the State of Charge with either an integration of...
View ArticleHow to combine PML and Port together By Comsol 4.3
Hi, I am simulating the surface plasmon resonance. I use pot to set the incident TM plane wave. It looks that there is still some reflection from my port boundary. I want to add a PML to absorb the...
View Articlecomsol run very slowly with 200 materials
HI I am doing research on electrical resistivity tomagraphy. I tried to use comsol. But it run very slowly when i have more than 200 materials. In my model, I have 216 blocks with 216 kinds of...
View ArticleThermoelectric Model
Dear All, I am looking to find and study example models relating to thermoelectric effect modeling using COMSOL. Does anyone have any reference source/model on thermoelectrics which could be used ?...
View ArticleElectric Field Simulation Problem
Hi, I am trying to create a plot of electric field, but i failed to do it. I created a simple model of column, and I used the physics of "Magnetic and Electric Fields". I defined a electrical potential...
View ArticleThermoelectric PDE mode
Hello Sir, I am a new user of COMSOL. Currently I'm working on a model for a thermoelectric generator using PDE mode. After done with the layout, in the post processing result the temperature profile...
View ArticleThermoelectric Effect - Adding the physics
Hello, I'm working in a project on thermoelectric generator. As 'Thermoelectric' physics interface,is not in the physics area/physics list, I was trying to add the physics using the steps given in the...
View ArticleThermoelectric Effect
Hello, I'm working on Thermoelectric Generator and I would like to have a basic model with the equations used in COMSOL, Could anyone who worked in this field, please help. With Regards . Pheba
View ArticleDefining Simulation Region
Hi, I am trying to get the 3D Temperature Distribution for a 3D nanoscaled structure, where I use a plane wave source as a the heat source. For that I use the "Microwave Heating Interface". The...
View ArticleSynchronous machine (torque)
Hi, I am new to COMSOL. I am tryng to build three phase synchrnous machine model. I have applied three phase voltage to the machine but unable to generate torque in a machine, I do not waht is wrong...
View ArticleIs it possible to couple two modules?
Hi, I am simulating an open water channel (0.31m x 6m x 0.4m width, large and height) with k-e turbulence model. The boundary conditions are: walls and floor as wall function, upper boundary as open...
View Articlecurve cylinders
How can I draw a system of curved cylinders intertwined to form a portion of capillaries?
View ArticleHeat Transfer through 2 physics / Coupling 2 physics
Hello! Im trying to figure out how to couple the modules "Heat Transfer in Solids" and "Heat Transfer in Porous Media". I made a simple example. Two blocks on top of each other. On Block has a heat...
View ArticleExtracting data during simulation for each iteration
Hi, In my model, I want to have the amount of pressure at specific grid points (1D model) at each iteration, and use this value to manipulate another variable which is used in the next iteration. I was...
View Article1 Week Early Bird Reminder: Submit your work at the COMSOL Conference 2013...
Dear COMSOL users, We are 1 week away from the Early Bird Abstract Submission Deadline! Do you have any work using COMSOL you would like to present? Already I have received some interesting and...
View ArticleUsing dependent variable to calculate a material property
Hi, I am rookie when it comes to comsol but I have simple question. I would like to use a dependent variable (potential) to calculate a material property ( such as density of states). So for each...
View ArticleResonant frequency +set stress and temperature
How way I will find resonant frequency my structure? I use to Structural mechanic modul, then Solid mechanics and then Frequency domain-Modal or Eigenfrequency? I need to specify these parameters:...
View ArticleVibrating horizontal plate.
Good Evening everyone, I have a really simple question, I'm sure someone knows the answer to my problem. I'm trying to make a model of a plate, platform, anything you want to call it, that vibrates...
View ArticleContact problem. Static vs Dynamic
I have an impact model; steel presses down soft tissue. I can solve this model in static analysis with prescribed displacement. But when I solved the model in dynamic analysis with prescribed velocity,...
View ArticleImpulse Response of a simple structure
Hi everyone, I would like to simulate a simple structure under the action of an impulsive force. The structure is a free-clamped cantilever, where the impulse force is applied at the free end. The...
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