CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Community New Posts Updated Threads Search

Showing results 1 to 14 of 14
Search took 0.00 seconds.
Search: Posts Made By: gdbaldw
Forum: OpenFOAM Pre-Processing November 2, 2007, 07:14
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, Good. The square

Zhou Bin,

Good. The square around the square allows you to control the mesh at the boundary of the circle. That too is the way I'd do it. The simple technique is to set the Pivot to Midpoint,...
Forum: OpenFOAM Pre-Processing October 31, 2007, 06:47
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, > input file dumm

Zhou Bin,

> input file dummy.fbd can not be opened.

This is correct. Calculix needs a filename to start running. If you then create geometry in Calculix and Save, your geometry will be...
Forum: OpenFOAM Pre-Processing October 31, 2007, 06:40
Replies: 37
Views: 4,271
Posted By gdbaldw
Tommaso, Q1) Are you using

Tommaso,

Q1) Are you using them for only 2d meshes or also 3d?

A1) Blender for 2-D compound curve surface, then extrude in Calculix for 3-D external flow.

Q2) Which kind of geometries...
Forum: OpenFOAM Pre-Processing October 30, 2007, 12:10
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, Calculix only sen

Zhou Bin,

Calculix only sends hexahedral elements to OpenFOAM. The image has tetrahedral elements. Netgen, an open source tool, might work for you with tetrahedral. I work exclusively with...
Forum: OpenFOAM Pre-Processing October 30, 2007, 10:16
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, The file opens an

Zhou Bin,

The file opens and I am able to see the surface mesh you have. I would not be satisfied with this mesh because it has lots of very long lines bunched together, and then very large...
Forum: OpenFOAM Pre-Processing October 30, 2007, 07:25
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, You need to attac

Zhou Bin,

You need to attach the script so I can open the file with proper formatting. Cut and paste will not run. See "Formatting" under "Documentation" in the left frame of this webpage for...
Forum: OpenFOAM Pre-Processing October 28, 2007, 08:46
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, Your question now

Zhou Bin,

Your question now is regarding basic Blender functionality. There are many, many tutorials available on the internet about how to mesh an object in Blender. As for selecting an...
Forum: OpenFOAM Pre-Processing October 25, 2007, 22:01
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, Better answer is

Zhou Bin,

Better answer is as follows. After you create squares using your Python script, select Mid-Point as your Pivot. (Step 5 above shows how to select the Pivot.) Now, you can select the...
Forum: OpenFOAM Pre-Processing October 25, 2007, 09:40
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, Very nicely done.

Zhou Bin,

Very nicely done. I trust you used some simple program to generate the list of points.

After executing the Python script you created, set the subsurf level=2 (See step 10 above)...
Forum: OpenFOAM Pre-Processing October 15, 2007, 10:34
Replies: 37
Views: 4,271
Posted By gdbaldw
Zouh Bin, Blender has a Pyt

Zouh Bin,

Blender has a Python API, useful for data import/export. At "Outline of Method" in my original post to this thread is a Python Script for exporting to Calculix FBD format. You could...
Forum: OpenFOAM Pre-Processing October 13, 2007, 14:11
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, I'd take the foll

Zhou Bin,

I'd take the following steps...

1) Create a square centered at (0,0,0) with sides of dimension = 1. (Press "N" to see Transform Properties). We will use this square as a...
Forum: OpenFOAM Pre-Processing October 5, 2007, 10:38
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, blockMesh is suit

Zhou Bin,

blockMesh is suitable for simple geometries, which yours is not. However, in about an hour I drafted an example of your mesh using Blender and Calculix. Example images and file are...
Forum: OpenFOAM Pre-Processing October 5, 2007, 10:32
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, blockMesh is suit

Zhou Bin,

blockMesh is suitable for simple geometries, which yours is not. However, in about an hour I drafted an example of your mesh using Blender and Calculix. Example images and file are...
Forum: OpenFOAM Pre-Processing October 5, 2007, 10:30
Replies: 37
Views: 4,271
Posted By gdbaldw
Zhou Bin, blockMesh is suit

Zhou Bin,

blockMesh is suitable for simple geometries, which yours is not. However, in about an hour I drafted an example of your mesh using Blender and Calculix. Example images and file are...
Showing results 1 to 14 of 14

 
Forum Jump

All times are GMT -4. The time now is 11:41.