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

How to use sixDoFRigidBodyDisplaceme nt?

Posted March 7, 2016 at 20:55 by shincoast

mark to study

Quote:
Originally Posted by DLC View Post
Hi Foamers!
i am playing with OF 1.7 and particularly with the tutorial regarding the floating object.
Does anyone know how to use restrains and constraints?
The new six DOF (sixDoFRigidBodyDisplacement) is told to be very nice, but I couldnt understand how to use it!
Can anyone please help?

Thanks a lot!
DLC
New Member
Posted in Uncategorized
Views 1027 Comments 0 shincoast is offline Edit Tags
Old

OpenFoam 3.0.x Moving Solid Body Through Mesh

Posted March 7, 2016 at 20:33 by shincoast

Mthods to add immersed bc to solver.

Quote:
Originally Posted by hxaxtma View Post
Hi,
I do not know if you still need the information you requested, but you can find here an instruction how to add immersedBC compatibility to any solver (foam-extend3.2)

https://openfoamwiki.net/index.php/E...mersedBoundary
New Member
Posted in Uncategorized
Views 416 Comments 0 shincoast is offline Edit Tags
Old

how to solve error "Assertion `0' failed" raised from parallel run on redhat7

Posted March 4, 2016 at 03:56 by donQi (ZibaldoneFoam)

After building OF2.4.0 on redhat 7, when launching the motorBike tutorial in parallel I was facing the following error:
Code:
snappyHexMesh: route/tc.c:973: rtnl_tc_register: Assertion `0' failed.
snappyHexMesh:22793 terminated with signal 6 at PC=7f24c66715f7 SP=7fff5c4d65f8.  Backtrace:
snappyHexMesh: route/tc.c:973: rtnl_tc_register: Assertion `0' failed.
SOLUTION : as explained here https://www.open-mpi.org/community/l...5/08/17812.php it was due to a conflict between...
Member
Posted in Uncategorized
Views 105 Comments 0 donQi is offline Edit Tags
Old

CFD analysis of UAV

Posted February 17, 2016 at 06:18 by metaliat93

Analysis using Ansys CFX
Type plane: flying wing
Velosity: 27 m/s
Angle of attack: 0 - 16 [deg]

Click image for larger version

Name:	2.jpg
Views:	64
Size:	33.8 KB
ID:	354
results AOA 2 deg

Click image for larger version

Name:	10.png
Views:	54
Size:	117.1 KB
ID:	355
results AOA 10 deg

Click image for larger version

Name:	16.jpg
Views:	55
Size:	61.0 KB
ID:	356
results AOA 16 deg


Analysis was in two versions of constructions:
1) without boart camera (blue line)
2) with camera in working position (red line)
Click image for larger version

Name:	509026605.png
Views:	55
Size:	27.1 KB
ID:	357
Member
Posted in Uncategorized
Views 315 Comments 1 metaliat93 is offline Edit Tags
Old

Rants removed from a recent post of mine about OpenFOAM vs OpenFOAM+ in 2016-02-14

Posted February 14, 2016 at 16:23 by wyldckat

This blog post contains the rants that I pruned out from my original draft for the post #13 on this thread: http://www.cfd-online.com/Forums/ope...am-v3-0-a.html

The rants are listed by section:

Where I stand in all of this (aka Disclaimer of intentions)

[RANT]
I started looking into OpenFOAM in late 2008, beginning of 2009, because at the company I work at, we needed to use OpenFOAM on Microsoft's Windows OS. As a result - and a fun...
Super Moderator
Posted in Rantings
Views 812 Comments 0 wyldckat is offline Edit Tags

All times are GMT -4. The time now is 10:27.