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[liucheng83 <question632800@xxxxxxxxxxxxxxxxxxxxx>]

Question #632800 on Yade changed:
https://answers.launchpad.net/yade/+question/632800

    Status: Answered => Open

liucheng83 is still having a problem:
Hello Robert and Bruno,

Thanks for your reply. 
I will chose to use solver 3 and I will try to test the blocking cells.

But before that, some results come out that I cannot understand,

Q5: 
print flow.ignoredBody    ###it get -1 as the result
How can I set a body to be ignoredBody, because it can be exclude from the triangulation from the documentation
-------
ignoredBody(=-1)
DEPRECATED, USE MASK - Id of a sphere to exclude from the triangulation.)
-------------
Q6: I try to get information about flow cells just after "print the Qin"
-------
print "Qin=",Qin," Qout=",Qout," permeability=",permeability

#print  information
print "total num of nCells,flow.nCells()=", flow.nCells()                 ### It get 0 as a result, why?
print "total ids of bodies affected by this Engine,flow.ids=", flow.ids                  ### It get [] as a result, why?
print flow.ignoredBody  #get -1
print flow.getVertices(0)
---------
 
Q7: when I unload the top wall when FlowEngine is dead by using
----
##unload
triax.goal2=0; O.run(2000,1)
--- 
and after FlowEngine is activated, set 
--------
flow.bndCondIsPressure=[0,0,1,1,0,0]
flow.bndCondValue=[0,0,0,1,0,0]
----------

I test the Qin and Qout, sometimes it comes out with a different value like, Qin=0 and Qout=-1.19524638635e-06
Anything wrong with the input and output not equal?

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