Search found 34 matches

by pavel
03 Mar 2015, 01:46
Forum: ElmerSolver
Topic: Calculation of the area of a boundary before simulation
Replies: 8
Views: 4966

Re: Calculation of the area of a boundary before simulation

Yes, Finally I made calculations of the area of a body surface in 2D domain and saving it with other scalars by Solver 5 Exec Solver = After Timestep Filename = "scalarsEMF2.dat" Procedure = "SaveData" "SaveScalars" Show Norm Index = 1 ! Calculation of the volume of a b...
by pavel
02 Mar 2015, 21:22
Forum: ElmerSolver
Topic: Calculation of the area of a boundary before simulation
Replies: 8
Views: 4966

Re: Calculation of the area of a boundary before simulation

Hello, Peter, For me it is logical to access such scalar data via SaveScalars. Maybe a new Operator could be introduced to access individual body (material, BF..) weights? It also looks logical taking into account possibility of mesh changes during simulation due to e.g. Mesh Adaptation Solver. So, ...
by pavel
02 Mar 2015, 19:16
Forum: ElmerSolver
Topic: Calculation of the area of a boundary before simulation
Replies: 8
Views: 4966

Re: Calculation of the area of a boundary before simulation

Helo, Is there a way to elegantly save body weight of a specific body to the file e.g. using SaveScalars? I have found in this post http://www.elmerfem.org/forum/viewtopic.php?f=3&t=3320 a method which utilizes dummy variable introduced within a body by a dummy solver just to compute the volume ...
by pavel
20 Feb 2015, 14:04
Forum: ElmerSolver
Topic: Periodic boundaries and sliding surface
Replies: 8
Views: 6190

Re: Periodic boundaries and sliding surface

Hello, I have tried simulation with higher values of "Interpolation Numeric Epsilon" and without"explicit" flag. Still, the same results -- wrong flux density at these two points in the sliding surface at 0 and 180 degrees. Maybe you could give some recommendations how to avoid s...
by pavel
05 Feb 2015, 17:11
Forum: ElmerSolver
Topic: Periodic boundaries and sliding surface
Replies: 8
Views: 6190

Periodic boundaries and sliding surface

Hello, I have nonphysical behavior when I impose anti-periodic boundary conditions in my model in MagnetoDynamics2D. Here is my domain with indicated boundary indices. https://dl.dropboxusercontent.com/u/542224/temp/boundaries.png And here is the solution. https://dl.dropboxusercontent.com/u/542224/...
by pavel
22 Jan 2015, 20:04
Forum: ElmerSolver
Topic: Calculation of the area of a boundary before simulation
Replies: 8
Views: 4966

Re: Calculation of the area of a boundary before simulation

Thank you, And a follow up question: Is this normalizing works for each body enumerated in "Target Bodies" separately, or it normalizes over the combined area of all these bodies? ... !current in the phase U+ Body Force 2 Name = "Current_U_plus" Current Density = Variable time, t...
by pavel
16 Jan 2015, 18:35
Forum: ElmerSolver
Topic: Calculation of the area of a boundary before simulation
Replies: 8
Views: 4966

Calculation of the area of a boundary before simulation

Hello, Is there a way to calculate in-line in the SIF the area of a face on which I impose a body force? In my case (in MagnetoDynamics2D in an optimization loop where geometry is constantly changing) I know the total current to penetrate in Z-direction through a face as body force, however I do not...
by pavel
18 Jul 2014, 13:29
Forum: General
Topic: Elmer workflow for electrical machine designers
Replies: 17
Views: 21407

Re: Elmer workflow for electrical machine designers

Hello,

Here is the last version of this tutorial with loaded machine and with example of parallel computations.
https://dl.dropboxusercontent.com/u/542 ... M_V1.0.pdf

BR, Pavel
by pavel
17 Jul 2014, 17:05
Forum: Bug reports
Topic: Parallel Whitney, MGDynamicsCalc: distorted results
Replies: 7
Views: 8937

Re: Parallel Whitney, MGDynamicsCalc: distorted results

Hei, I have observed also distorted results in parallel with MagnetoDynamics2D. The potential was calculated correctly, but flux density was distorted in the air gap region of simulated electrical machine. https://dl.dropboxusercontent.com/u/542224/distorted.png This resulted in completely wrong est...
by pavel
15 Jul 2014, 17:25
Forum: ElmerSolver
Topic: Eddy current in wire
Replies: 7
Views: 7455

Re: Eddy current in wire

Hi The Whitney solver is by construction only 3D. There is a 2D solver MagnetoDynamics2D that should do almost the same things in 2D. However, the 2D case is much more simple as all the physical phenomena are not present. How is the eddy current introduced in 2D if not by rotation (as in: http://yo...