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

Blog Entries

Register Blogs Members List Search Today's Posts Mark Forums Read

Old

A semi-analytical extension of the Reichardt wall law to pressure gradient effects

Posted April 17, 2015 at 07:40 by sbaffini (NuTBox)
Updated December 21, 2016 at 10:07 by sbaffini

I recently worked on wall functions, especially those based on simplified 1D numerical integration (e.g., http://link.springer.com/chapter/10....-642-14243-7_7) and i found a relatively simple, analytical, formulation that takes into account pressure gradient effects.

In practice, this is an extension of the Reichardt wall law to pressure gradient effects.

It is semi-analytical because it takes as assumption that the base Reichardt law is an exact solution of the...
Attached Files
File Type: pdf wallf.pdf (36.5 KB, 280 views)
File Type: txt wallfn.txt (1.2 KB, 163 views)
sbaffini's Avatar
Senior Member
Views 3320 Comments 0 sbaffini is offline Edit Tags
Old
Rating: 2 votes, 5.00 average.

Building OpenFOAM 2.3.x on centOS 6.6

Posted March 23, 2015 at 19:22 by donQi (ZibaldoneFoam)
Updated March 24, 2015 at 03:22 by donQi

I was following the instructions from
http://www.openfoam.org/download/git.php
to install the Repository Release Version 2.3.x on a centOS 6.6 machine.

But even after installing all the dependency packages written in the above link, I was getting the following error
Code:
  /usr/bin/ld: cannot find -lz
   collect2: error: ld returned 1 exit status
   make[2]: *** [dummysizes] Error 1
SOLUTION :
The problem with -lz will be solved by installing...
Member
Posted in Uncategorized
Views 3331 Comments 0 donQi is offline Edit Tags
Old
Rating: 2 votes, 4.00 average.

Propeller blade tips shape and Q

Posted March 19, 2015 at 05:01 by skeptik (CFD notes)

Red - baseline (right on Q-comparation image)
Grey - advanced tip (left on Q-comparation image)

Name:  blade-tips.jpg
Views: 1210
Size:  16.9 KB

Name:  t065-Q-comp.jpg
Views: 1301
Size:  49.8 KB
Member
Posted in Uncategorized
Views 624 Comments 0 skeptik is offline Edit Tags
Old

Q-isosurface, propeller simulation

Posted March 18, 2015 at 07:31 by skeptik (CFD notes)
Updated March 25, 2015 at 02:26 by skeptik

pimpleDyMFoam solver,
polyhedral mesh

Name:  t0.1-U-Q-iso.jpg
Views: 1040
Size:  29.6 KB
Member
Posted in Uncategorized
Views 556 Comments 0 skeptik is offline Edit Tags
Old

ParaView Guide 4.3 (PDF)Book (free download)

Posted March 2, 2015 at 09:30 by elvis

A PDF version of the book is available for http://www.paraview.org/paraview-dow...CC-Edition.pdf
Senior Member
Posted in Uncategorized
Views 4307 Comments 1 elvis is offline Edit Tags

All times are GMT -4. The time now is 22:28.