meshing error
hi, i got following error several times with different models while meshing. 'failed to respect boundary element on geometry edge'. may i know the reason behind this?
View ArticleMaterial Adding - Boolean Operation Error
Hi Guys, First post from me, a newbie at COMSOL. Problem: I imported a CAD model into COMSOL, and tried to specify material of different parts of this model. When I tried to do this, COMSOL says...
View Article3d laminar flow - solver problem: Segregated group 1.
Hi I´m simulating the convection heat transfer in a pipe. The external surface of the pipe receive solar radiation to heat the fluid that is flowing. I start my model with the laminar flow and after I...
View Article3d Core, Error: Unknown function or operator
Hello, I have modeled a 3d core with a coil and the coil I have declared Muti-turn coil. And in the simulation I have the following error: Unknown function or operator Name: mod1.mf.mtcd1.intp_edge...
View ArticleSimulation error
Hi , I am getting this type of error whey i am trying to start simulation. "Variables property does not include all variables in Xmesh" Could anybody can give me any solution/ suggestion. Thank you...
View ArticleBeam excited by a shaker
Hi All, I aim to model a simple beam excited by a shaker. I am using the Solid Mechanics. I would like to know how big is the displacement of a particular mode (eg first flexural) when I excite the...
View Articleerror in Frequency-Transient Simulation
Happy new year! everyone recently i have maked a Frequency-Transient Simulation and got a error infomation:"Failed to find consistent initial values. Last time step is not converged." the detail in...
View ArticlePiezoelectric Study of waveguide
Hello. I have made a model of lithium niobate waveguide cladded with silicon dioxide. As lithium niobate is a piezoelectric material I intend to check the inverse piezoeffect caused by my input signal...
View ArticleMultibody dynamics simulation error
Hello all, I tryed to perform multybody dynamics simulation and faced "Feature 'rd1' does not support model inputs. Error in multiphysics compilation." error. I followed procedure in the video...
View ArticleError trying to simulate MEMS display (Constraint found for variables in...
Hello all, I am working on simulating a very simple MEMS micromirror display for a class. After fighting with the Electromechanics Module for some time, I was finally able to constrain everything the...
View ArticleCOMSOL Failed to find a solution error
Hello, I am getting an error message: Failed to find a solution. Maximum number of Newton iterations reached. Returned solution is not converged. - Feature: Stationary Solver 1 (sol1/s1) This message...
View ArticleHow to set convergence criteria?
Hi everyone, I'm working with the CFD and heat transfer modules and I'm not able to figure out how to set the convergence crtieria. I'm performing a stationary study with a relative tolerance of 0.001...
View ArticleNullPointerException Error
I am getting the following error when try to perform any operation after installing COMSOL ECRE Fatal error. - Type: NullPointerException Can you kindly help me out in fixing this issue? Thanks in...
View Articleerror:Failed to find a solution. Maximum number of segregated iterations...
Hi I'm working on my model, with 3 physics, it does work but when i change sth i receive this error: Failed to find a solution. Maximum number of segregated iterations reached. Returned solution is not...
View ArticleSolution 1 {sol1} is not computed.
The error message "Solution 1 {sol1} is not computed." will be seen when you've set Study > Settings > Values of Dependent Variables > Method = Solution Study = Study 1 when this solution does...
View Articlefailed to write report error: unmatched opening tag for style element
could anyone tell me what the error above means? It appears after i try to write a report from comsol on to a linux PC. I have checked the read/write permissions and they should allow it to be written.
View Article[Failed] expression: comp1.pbnd1()
Hi, I would like to calculate the displacement in violin. There is an error in expression. I'm working on solid mechanics. Does anyone happen to know what is going wrong?
View ArticleError while calling External C function
Dear users, I'm quite new to Comsol and I'm trying to create a function of time and space which could be later used in my model. Unfortunately I cannot use a Matlab function because my version is too...
View ArticleStuck in calculation of Force
Hi, I downloaded a model that "Permanent Magnet Application ID: 78" and it's reated by COMSOL engineers. They used a compose model to decrease the computational time of the whole system. When I change...
View ArticleCAD import and meshing error
Hi everyone, I am trying to import a .sat file to COMSOL. Even though in the CAD-programme (Rhino) I am able to form a union, it fails in COMSOL. If I simplify my model, so that the union works, the...
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