Using interpolation tables for temperature dependent structural and themal...
This will eventually be an analysis of the thermal and structural very steep pulses but for now I am keeping it simple. (stationary and moderate time dependent loads) In trying to defining some basic...
View Articlesoftware simulation forming glass
hi, any of you know what is the best software for simulation of forming glass by a bender. thanks.
View Articleparticle motion in a fluid (2D)
Hi, I am attempting a 2D model of the motion of a single particle in a fluid medium inside a microchannel. I am aware that there is a COMSOL tutorial on such a simulation. However, in the tutorial, the...
View Articlereaction is not happening in tubular reactor
Hello guys, I have designed a tubular reactor in comsol 4.2 but after computing it doesn't show any variation. my reaction rate id not changing my conversion is not changing. only axial flow velocity...
View Articlemy reaction is not happening in comsol. 4.2
Hello guys, I have designed a tubular reactor in comsol 4.2 but after computing it doesn't show any variation. my reaction rate id not changing my conversion is not changing. only axial flow velocity...
View ArticleVCCS
Dear all, I simulating a 3D electrode model and do not know how to use voltage controlled current source (VCCS) under electric circuits (ec). Can anyone help me where can I find examples using the...
View Articleeigen frequency
I'm able to get frequency in complex no can i able to get it in real no only
View Articleanalysis
I unable two get the same resonant frequency for eigen frequency and frequency domain solver
View ArticleHow to move one geometry object continuously in matlab .m file?
Hi, I am a comsol user and I have built a 3D model,in which a small bubble flows inside a glass tube is simulated. I plan to make the bubble move from 0.11m to 0.21m continuously with a step of 0.001m....
View ArticleLithium ion battery 1D model: solver error
hi, I am trying to solve the Lithium ion battery model from the model library (li_battery_1d). I am always getting this error message while solving study1 in it .Please help me on this. Repeated error...
View Articleapplying a magnetic field
Hello, I would like to know how to apply a magnetic field on metal electrodes of a Surface acoustic wave resonator using COMSOL 3.5 a. Thak you
View Articlecreating a coordinate system in the matlab console
Hello everyone, is there a specific function for drawing a coordinate system over the Matlab LiveLink in the Matlab console? I'm not yet familiar with all the functions concerning the LiveLink. My aim...
View ArticleMultiple input ports in RF problems
Hello to everyone. The RF module Users Guide, at page 72, says (Note at the top of the page) that it is possible to have more than an excited inport, with the drawback that S-parameters are not...
View ArticleNavier-Stokes Simulation using General Form PDE: The Continuity Equation
Greetings all. I am working to solve a standard fluid flow problem (e.g. flow in a pipe as a start) using the General Form PDE interfaces instead of the Fluid Flow built in GUI. I am able to define a...
View Articlenumerical oscillation in modelling corona discharge with coefficient form...
Hi,everyone I,m working on modelling corona discharge in air with coefficient form PDEs and Electrostatics interface. I'm encountering the problem of numerical oscillation in the simulation area...
View ArticleElectrostatic Precipitator... Help!!
Hello I want to simulate an Electrostatic Precipitator. In conditions of laminar flow field and electric filed, it is requierd how many particles are gathered. However, in my simulation, the efficiency...
View Articleerror: The object 'Type: Save Point Geometry Tag: geom1' is not contained in...
Hi all- I have been working on a model for some time, and just trying to optimize the solver settings. I saved the model today, and then opened it up again to work on it, and now get this error for any...
View ArticleSetting initial values for an iterative solver
Comsol user interface shows some options for setting initial values at the stationary study step at 'Initial values of variables solved for'. These are either zero or a solution - but we want to set...
View ArticleCFD - Surface roughness
Hey guys I really need your help on this one! I was wondering if any of you could tell me about the default settings of surface roughness's in COMSOL? All I've found about it in the documentation is...
View ArticleEFFECTIVE INDEX
Hi eveybody. Actually I am trying to plot effective index of PCF with variation of diameter in COMSOL.I could not know how to put the diameter values and where to put.Please help me in this regard.I am...
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