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Search: Posts Made By: waynezw0618
Forum: OpenFOAM Running, Solving & CFD March 2, 2009, 08:48
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Marco i get the isovolumes

Hi Marco
i get the isovolumes of P mass residual with setting value =1e-8,you could find picture here:
http://4ovewq.bay.livefilestore.com/y1pZW9xQu2Vbt6gUbIJn5pIqSEfyPn26hG4x2zP7x_g2...
Forum: OpenFOAM Running, Solving & CFD March 2, 2009, 06:07
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Marco thanks! i will try

Hi Marco
thanks!
i will try as soon as possible
and
here is torque plot in OF iteration
http://4ovewq.bay.livefilestore.com/y1paU9IyqdeXOCZ8_vychQT3ZQVdDsEV4hXiHoeGd4gv...
Forum: OpenFOAM Running, Solving & CFD March 2, 2009, 02:40
Replies: 39
Views: 9,910
Posted By waynezw0618
there must be something wrong

there must be something wrong with internet service here in hour school.
i will try again
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif ...
Forum: OpenFOAM Running, Solving & CFD March 1, 2009, 11:11
Replies: 39
Views: 9,910
Posted By waynezw0618
and here is integrated quantit

and here is integrated quantity iteration plot
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif
Forum: OpenFOAM Running, Solving & CFD March 1, 2009, 08:05
Replies: 39
Views: 9,910
Posted By waynezw0618
and here is integrated quanti

and here is integrated quantity iteration plot
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif
Forum: OpenFOAM Running, Solving & CFD March 1, 2009, 06:51
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Oliver and everyone i

Hi Oliver and everyone

in the 25%BEP, there will be flow separation filled in passages.so it is hard to get a good result from time-independent solver.i just want to know ,what level will...
Forum: OpenFOAM Running, Solving & CFD February 18, 2009, 22:24
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Marco thanks,but how abo

Hi Marco

thanks,but how about my OpenFOAM Residual plot? why residual of p is so large.and u,v,w is just smalller than 1e-3.you see i run OF in double precision but not of CFX.

btw ,where...
Forum: OpenFOAM Running, Solving & CFD February 12, 2009, 07:43
Replies: 39
Views: 9,910
Posted By waynezw0618
How about my max residual plot

How about my max residual plot,and moniter pointing plot of CFX? and how about OF?
ara they all not converged?

Regards

wayne
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 10:38
Replies: 39
Views: 9,910
Posted By waynezw0618
here is the clear view of resi

here is the clear view of residual of OF result
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11104.png
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 09:40
Replies: 39
Views: 9,910
Posted By waynezw0618
hi i also show the interat

hi

i also show the interation procedure plot of total pressure difference of the inlet and outlet,

how about that?

wayne
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 09:29
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi do you mean both CFX a

Hi
do you mean both CFX and OF result are not converged?how about the max residual of CFX?
how to determine if the result is converged?
can you give me some example residual plot of...
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 07:54
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Dragos: the absolute vel

Hi Dragos:

the absolute velocity is below.would you mind tell me more?

regardz!

wayne

http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11100.jpg
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 07:30
Replies: 39
Views: 9,910
Posted By waynezw0618
hi Hrv: i am back.and here

hi Hrv:

i am back.and here is max residual plot of CFX and the interation procedure plot of total pressure difference of the inlet and outlet
...
Forum: OpenFOAM Running, Solving & CFD February 11, 2009, 04:37
Replies: 39
Views: 9,910
Posted By waynezw0618
hi Hrv: i am back.and here

hi Hrv:

i am back.and here is max residual plot of CFX and the interation procedure plot of total pressure difference of the inlet and outlet
...
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 14:32
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Euqene i use the default k

Hi Euqene
i use the default kOmegaSST in OpenFOAM-1.5,which do have wall function. you could find them in $FOAM_SRC/turbulenceModel/RAS/incompressble/kOmegaSST.

and maybe i will make some...
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 13:33
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Hrv: thanks for your rep

Hi Hrv:

thanks for your reply.

and i also have a max of residual plot,the profile of max residual plot is similar to the RMS one,but the value will be larger,for example the U-moment and...
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 13:17
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Dragos: i think the velo

Hi Dragos:

i think the velocity distribution in such working condition is something you have seen in the picture.the geometry information of impeller and pump working conditon is come from a...
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 12:58
Replies: 39
Views: 9,910
Posted By waynezw0618
Hi Euqenne thanks for your

Hi Euqenne

thanks for your reply,i will try limtedLinear later

in CFX the wall function for SST is not scalable wall function, it is "automatic near wall treatment". and it calculate the...
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 09:03
Replies: 39
Views: 9,910
Posted By waynezw0618
http://www.cfd-online.com/Open

http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11075.jpg

http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11076.jpg
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 08:13
Replies: 39
Views: 9,910
Posted By waynezw0618
hehe i am sorry,there may be s

hehe i am sorry,there may be some problem with internet connetction in my school.

wayne
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 08:01
Replies: 39
Views: 9,910
Posted By waynezw0618
here is OF-SST MRFSimpleFOAM

here is OF-SST MRFSimpleFOAM
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11073.jpg
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 08:00
Replies: 39
Views: 9,910
Posted By waynezw0618
here is OF-SST MRFSimpleFOAM

here is OF-SST MRFSimpleFOAM
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 07:57
Replies: 39
Views: 9,910
Posted By waynezw0618
here is CFX residuals http:/

here is CFX residuals
http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11070.png
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 07:54
Replies: 39
Views: 9,910
Posted By waynezw0618
here is CFX residuals http:/

here is CFX residuals
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif
Forum: OpenFOAM Running, Solving & CFD February 10, 2009, 07:53
Replies: 39
Views: 9,910
Posted By waynezw0618
here is CFX residuals http:/

here is CFX residuals
http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif
Showing results 1 to 25 of 27

 
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