Quantcast
Channel: Latest Discussions - COMSOL Forums
Browsing all 1884 articles
Browse latest View live
↧

Merhaba ali bey

Ben okul ödevi olarak simulasyon yapmak zorundayim ve bazi zorluklarla mücadele ediyorum. Yardim edebilirseniz cok sevinirim:) iki obje yapmak zorundayim. Birinin sabit yüksek derecesi var (1000...

View Article


Please help - Maxwell Boundary element integral

Dear all, I'm trying to solve Maxwell electrostatic surface integral equation, lambda*U(r) = 1/(2*pi)* Integrate( U(r') (r-r')/(abs(r-r'))^3 ds) for a sphere. Lambda is an eigenvalue and the...

View Article


meshing problem of thin strip

Hello everyone, I've stuck in a meshing problem for a long time. I'm trying to mesh a thin strip with 0.2 mm thickness which pass through gas box and then a bath. I've tried many different method even...

View Article

Multigrid failure during solver

Hey all, I'm working on a 3D model of a microfluidic system using the laminar flow (spf) and transport of diluted species (chds) physics models. I've got everything modeled with all the physics...

View Article

Meshing for Thin Extruded Work Plane

I am working on modeling current in a very thin wire, and for now am just trying to make the mesh work. The contact pads (squares and trapezoids) and a wire are in a work plane which I then extruded to...

View Article


Mesh

Dear Just I have some questions about setting of the mesh please ( in versions 4.1): 1. What is the difference between the general physics and fluidic dynamic in the calibrated filed? For example if I...

View Article

Question about mesh

Dear Just I have some questions about setting of the mesh please: 1. What is the difference between the general physics and fluidic dynamic in the calibrated filed? For example if I have gas and liquid...

View Article

Internal error in boundary respecting

Hi all i am working on fuel cell. i did a cell model with one side open and other side closed . the fuel is passed from the closed side. The problem is while i am going to mesh it itz showing " error :...

View Article


Thermal expansion in a core wire

Hello, We are trying to simulate the thermal expansion of a guide wire from the medical industry, when it is exposed to 4 different temperatures in 4 different ovens. We are using the solid mechanics...

View Article


Meshing error- Internal error in boundary respecting

Hello I am trying to mesh the geometry as shown in the attachment. It has a thickness of about 0.05inches. I tried to mesh using most of the mesh options available in 4.3a version, but still the error...

View Article

how to use the "Previous solution" as initial value for new analysis

Any idea how to use the "Previous solution" as initial value for new analysis, for the sake of solution convergence?? Preferably, step-by-step procedure! Thanks, Hina

View Article

Moving mesh example

Hi, Is there any example of using moving mesh with a pdf guideline? I need to model a moving magnet next to a coil and calculate the induced voltage!

View Article

got problem with my simulation on nano scale particles

I would like to simulate the magnetic force on an iron particle due to an external magnetic field. The magnetic field is generated by a wire, conducted with steady current. The wire is about 30um in...

View Article


I want to control the mesh size over the specific structure.

Hello. I'm now designing stationary electric field simulation. In the simulation, There are two electrodes between which there is a cylindrical dielectric material. Actually there is narrow hole all...

View Article

Problems with sweep mesh

Hi, I have been trying to sweep mesh a domain (3-D). It will be like a small straight tube of rectangular cross section and having turns at right angles (like a serpentine). I tried to mesh the source...

View Article


Solution instability in 2D axis-symmetric model

Hi all, I'm trying to create a 3D model with three concentric spheres of increasing radii, the goal of my simulation being the evaluation of the acoustic pressure field at various points on the largest...

View Article

Finding mesh volumes for volume integral

Hi all, I have calculated an energy density (per volume). Now, I am trying to find total energy by integrating this energy density. I have a list of (x, y, z) coordinates and each point's energy...

View Article


Moving Mesh and Geometry

Hi, I have been working on a model that simulates a small stationary cylindrical pin on a cylindrical puck that is moving in a square cyclical pattern to simulate frictional heating. The puck and pin...

View Article

Shape optimization on loaded knee (L-sock)

Hi everybody I'm doing shape optimization on the loaded knee. I've made the geometry similar to the image posted, instead I've just put a fixed constraint on the upper boundary and the force is working...

View Article

Heat Generation in a Disc Brake with 4 brake pad

I'm newbie on simulations, I would like to know how do I resolve some issues I'm finding my style. I want to make a simulation of heat transfer with four brake pads on a disk. I took the model that has...

View Article
Browsing all 1884 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>