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Search: Posts Made By: waynezw0618
Forum: OpenFOAM Running, Solving & CFD June 2, 2009, 05:46
Replies: 50
Views: 7,223
Posted By waynezw0618
change your mesh. may be a good choice.

change your mesh. may be a good choice.
Forum: OpenFOAM Running, Solving & CFD October 6, 2008, 09:55
Replies: 50
Views: 7,223
Posted By waynezw0618
sorry it copied from flowRateI

sorry it copied from flowRateInletVelocityFvPatchVectorField.H searched from doxygen.so remove the number before like this

type flowRateInletVelocity;
flowRate 0.2; // Volumetric/mass flow...
Forum: OpenFOAM Running, Solving & CFD October 6, 2008, 09:28
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Mahendra: in 1.5 it chan

Hi Mahendra:

in 1.5 it changeto :
00041 type flowRateInletVelocity;
00042 flowRate 0.2; // Volumetric/mass flow rate [m3/s or kg/s]
00043 ...
Forum: OpenFOAM Running, Solving & CFD April 17, 2008, 23:14
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric and Mark when i def

Hi Eric and Mark

when i define the massflowrate in 0/U as :

INLET
{
type massFlowRateInletVelocity;
massFlowRate 0.71;
value ...
Forum: OpenFOAM Running, Solving & CFD April 16, 2008, 22:30
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Mark thanks! wayne

Hi Mark

thanks!

wayne
Forum: OpenFOAM Running, Solving & CFD April 15, 2008, 23:38
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Mark thanks for your reply

Hi Mark
thanks for your reply,for i am not quite familiar with C++.so please excuse my question.
in the construction
\quote {
massFlowRateInletVelocityFvPatchVectorField
(
const...
Forum: OpenFOAM Running, Solving & CFD April 15, 2008, 00:34
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric it can run with val

Hi Eric

it can run with value uniform (0 0 0); but it looks like the boundary velocity is defined by (0 0 0),not as a massflowRateInletVelocity. and when i turn to Doxygen,there is no such...
Forum: OpenFOAM Running, Solving & CFD April 14, 2008, 23:21
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi it still do not works if

Hi
it still do not works
if run without value uniform 3.06; error message is :

--> FOAM FATAL IO ERROR : keyword value is undefined in dictionary...
Forum: OpenFOAM Running, Solving & CFD April 14, 2008, 08:48
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric what is value uniform

Hi Eric
what is value uniform 3.06refer to? massflow rate or velocity?


thanks

wayne
Forum: OpenFOAM Running, Solving & CFD April 14, 2008, 03:09
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi I add to 0/U: INLE

Hi

I add to 0/U:
INLET
{
type massFlowRateInletVelocity;
massFlowRate 3.06; // Mass flow rate [kg/s]

}
Forum: OpenFOAM Running, Solving & CFD April 14, 2008, 01:11
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi could you tell me how t

Hi

could you tell me how to use the massFlowrateBoundary condition?
in polymesh/boundary of 0/u?
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 10:29
Replies: 50
Views: 7,223
Posted By waynezw0618
by the ways what is the SLIP

by the ways
what is the SLIP boundary in your case ?in my case the hub and shroud are all rotating boundary like blade(i patch them in MRFZones file).and in CFX the hub and shroud are always in...
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 09:59
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric thanks for you help

Hi Eric

thanks for you help.what i am do not know how to set the boundary in OF, what i always do in CFX is :

inlet -> massflow inlet (etc.Q kg/s)
outlet -> average static pressure (0...
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 05:11
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric: i am not quit sure

Hi Eric:

i am not quit sure about you boundary but aftre 100 and more step the inlet vector looks strange too:
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/7311.jpg
wayne
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 04:09
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi what is your dimension for

Hi what is your dimension for omega? 620.823rad/s or 620.832rpm
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 03:01
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi My email adress is wayne

Hi

My email adress is waynezw0618@163.com i have sent a email to you.if it was too large for you to send me.please send the setting files(such as...
Forum: OpenFOAM Running, Solving & CFD April 11, 2008, 02:12
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Eric would you mind to se

Hi Eric
would you mind to send one of your setting(such as makemesh/fvSolution/fcScheme/MRFZones/dynamicMeshDict/Boudary/0 dictionary )or me ?

thanks!

wayne
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 22:53
Replies: 50
Views: 7,223
Posted By waynezw0618
and the velocity in 0.5spanwis

and the velocity in 0.5spanwise in CFX
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/7306.jpg
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 22:51
Replies: 50
Views: 7,223
Posted By waynezw0618
and is the velocity in 0.5 spa

and is the velocity in 0.5 spanwise
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/7304.jpg
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 22:50
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi: i try to run the case in

Hi:
i try to run the case in the parallel again without change anything in fvSolution.i still get a divergence. but the different is i donot get strange velocity like before,and the velocity is...
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 07:27
Replies: 50
Views: 7,223
Posted By waynezw0618
To Dragos thanks! i will

To Dragos

thanks!

i will try!

Wayne
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 07:25
Replies: 50
Views: 7,223
Posted By waynezw0618
To Eric: i use the fixedValue

To Eric:
i use the fixedValue in p for my output condition. the calcualtion region is a impeller without the voulte,so you can see them on the first image!

Wayne
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 06:46
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Dragos how to? would you

Hi Dragos

how to? would you mind to tell me more ?

wayne
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 05:40
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Dragos it looks like there

Hi Dragos
it looks like there are the same
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/7284.jpg


and it quit similar to the iteration procedure in cfx(i will post later,for i am...
Forum: OpenFOAM Running, Solving & CFD April 10, 2008, 04:56
Replies: 50
Views: 7,223
Posted By waynezw0618
Hi Dragos i will try it today

Hi Dragos
i will try it today
and here is the p k and epsilon
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/7282.jpg

thanks
wayne
Showing results 1 to 25 of 27

 
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