facing problem in dynamic meshing motion preview in fluent

hitesh0401 · April 3, 2014, 03:59

hi

i m doing simulation on Inertance tube Pulse tube refrigerator. For this i have used dynamic meshing option for Piston n compressor walls. To do this i linked the UDF to piston n defined it as rigid body n compressor wall as deforming body. After linking whn i see the zone motion preview the piston motion is in oppsite direction ..instead to cming inside it goes outside . Pls help me.

anon_m · May 8, 2014, 16:12

Hi:

Were you able to solve your problem?

I am modeling a pretty similar problem. I got the motion right, but have convergence issues. Maybe we can help each other out. Thanks

hitesh0401 · May 8, 2014, 16:19

have u got the mesh motion?

anon_m · May 8, 2014, 16:23

Yes! what motion you're defining?

hitesh0401 · May 8, 2014, 16:24

i didnt gt u

anon_m · May 8, 2014, 16:26

How are you defining the motion? UDF? what function?

Please let me know if you are trying to model any specific papers.

hitesh0401 · May 8, 2014, 16:59

Quote:

Originally Posted by GK-mech

How are you defining the motion? UDF? what function?

Please let me know if you are trying to model any specific papers.

can i have ur mail id?

April 3, 2014, 03:59	facing problem in dynamic meshing motion preview in fluent	#1
hitesh0401 New Member hitesh Join Date: Mar 2014 Posts: 11 Rep Power: 12	hi i m doing simulation on Inertance tube Pulse tube refrigerator. For this i have used dynamic meshing option for Piston n compressor walls. To do this i linked the UDF to piston n defined it as rigid body n compressor wall as deforming body. After linking whn i see the zone motion preview the piston motion is in oppsite direction ..instead to cming inside it goes outside . Pls help me.

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May 8, 2014, 16:12		#2
anon_m Disabled Join Date: Nov 2013 Posts: 16 Rep Power: 12	Hi: Were you able to solve your problem? I am modeling a pretty similar problem. I got the motion right, but have convergence issues. Maybe we can help each other out. Thanks

May 8, 2014, 16:19		#3
hitesh0401 New Member hitesh Join Date: Mar 2014 Posts: 11 Rep Power: 12	have u got the mesh motion?

May 8, 2014, 16:23		#4
anon_m Disabled Join Date: Nov 2013 Posts: 16 Rep Power: 12	Yes! what motion you're defining?

May 8, 2014, 16:24		#5
hitesh0401 New Member hitesh Join Date: Mar 2014 Posts: 11 Rep Power: 12	i didnt gt u

May 8, 2014, 16:26		#6
anon_m Disabled Join Date: Nov 2013 Posts: 16 Rep Power: 12	How are you defining the motion? UDF? what function? Please let me know if you are trying to model any specific papers.