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acclim

Posted March 7, 2016 at 20:59 by shincoast

set a absolute limit for you max acceleration

Quote:
Originally Posted by fimbull View Post
There is one posibillity that maybe could help.

in the dynamicMeshDict you could try to add the line:

acclim [here comes your value];

Which will set a absolute limit for you max acceleration.

This value will have influence of the results of your iterations.

It also will help a little to prevent aborts.
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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
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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
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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...
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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]

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results AOA 2 deg

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results AOA 10 deg

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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)
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