simulating heat steady state from a sinusoidal heat input
Hello,I'd like to simulate the steady state temperature of my device.(I've uploaded a drawing of my device, sorry i dont know how to copy an image to this post)As you can see there are two heat input...
View ArticleOersted field in a nanoconstriction
Hello,I am trying to calculate the current induced Oersted field in a nanoconstriction structure. I have implemented the current density applied to the far face of my bottom layer using the magnetic...
View Articlecomsol lab
Hey!I am new to comsol and have a little bit problem with a task. It says that I have to use the boundary condition to get the external fields above as the solution of the PDE in comsol. I dont know...
View ArticleProblems Flow with the Laminar Level Set Module in Comsol Multiphysics 5.3
Dears,The present discussion is about the user flow with Level Set in Comsol 5.3, I have been the Level set Module in Comsol Multiphysics, and there is something I didn't understand, my questions are...
View ArticleDo apps compiled on Windows PC work with macOS?
Hello,I have created a standalone app with the compiler on a windows computer. When I tried to open the .exe file with macOS it display error message that Windows app are not supported in macOS. Is...
View ArticleLinErr and LinRes - explaining the difference
I am using the Acoustic Reflections Off a Water-Sediment Interface sample for COMSOL 5.1. I am trying to understand the difference between LinErr and LinRes. I have read the documentation, and several...
View ArticleWhat is the meaning of “rho(T[1/K])[kg/m^3]，E(T[1/K])[Pa]”——AlN material...
What is the meaning of “rho(T[1/K])[kg/m^3]，E(T[1/K])[Pa]”——AlN; I want to know what that means.Thanks,
View ArticleIndividual Beam Analysis
Hello all,I am analyzing a truss structure using the Beam feature under Structural Mechanics Module. The study completed but I need individual stress values for each member in the truss. Is there any...
View ArticleTime dependent magnetic field
Hello everyone!Task: the conductor is affected by a given current pulse (duration 0.24 ns), the rate of rise and fall of the pulse is 100 kA / μs. Copper conductor has dimensions of 16x52x1 mm and is...
View ArticleSpecify file name to import as a parameter
Hi there,Is there a way to specify which DXF file to import as a polygon in a work plane, using a parameter?I'm generating the structures I want to study using a (Python) script that exports them as...
View ArticleConvective vs Conductive vs Total Heat flux - Plotting
Hello, I have a 2D axisymmetric domain, where I have imposed a convective heat flux on the wall. This convective heat flux depends on T_ext_ which is a function of the axial position (so it increases...
View Articlered blood cell separation
I'm struggling trying to compute the particle tracing when the particles are submitted by a drag force and magnetophoretic force. I tried to do something like "red blood cell separation", but it didn't...
View ArticleLaminar Flow: Time Dependent VS Stationary
Hello everyone,I am new to COMSOL, the example that I am trying to simulate is a sphere inside a pipe with laminar input. I obtained the stationary and time dependent solutions for the same.I would...
View ArticleDifferent settings in Comsol 5.4a
Dear sir, We found that the same model which can run in Comsol 5.3a report errors in Comsol 5.4, it showed the partial defferentiation of y-axis of u(displacement) was undefined. The warned expression...
View ArticleCombining Acoustic With Laminar Flow
Hi all, did anybody combining laminar flow with acoustics? i cant combining them
View ArticleDeformation under gravitational force
Hi, i'm Maria and I begin to use Comsol for my master thesis. I have to model a female breast, in order to study how the gravitational force influences on it. First I choose my geometry (a simle...
View ArticleTime dependent power source in thermal analysis
Hi,I am pretty new to Comsol and I've searched here and there for my answer without success.I am doing a 3D time dependent thermal analysis. In the studied time, I need the power source to change...
View ArticleHow to calculate the distance of a particle which flow through a channel?
As the title shows, I want to calculate the distance of a particle which flows through a channel. It is easy to simulation the track of paricle which flows through a channe in CFD model, but how to...
View ArticleFalling weight simulation
Hi all, I'm new in Comsol and i'm trying to study the software, with some difficulty. My simulation consists in a weight of 10 Kg falling from a height of 85 cm on a plate with a diameter of 300 mm ,...
View ArticlePlotting Acute Angle of Incidence
Hey guys I am new to comsol and I am trying to plot either in a table or a graph where the max erosion occurs (angle) in a 90 degree elbow in a pipe. The variable I am trying to plot is fpt.phii and I...
View Article