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Old   November 19, 2008, 07:22
Default sliding meshes
Tim Daly
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Hello. I am attempting to simulate the rotation of a water turbine using sliding meshes. The fluent manual states that if 2 zones are meshed independently, it is necessary to merge them. Does this mean that for all sliding mesh problems it is necessary to use t-merge, or can this be done without the use of t-merge.

Also when 2 interfaces assigned in gambit are combined to make a single grid interface, walls are created as boundary zones. Does the fact that these are specified as walls make a problem, and what boundary condition type should they be changed to if so?

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Old   November 19, 2008, 15:27
Default Re: sliding meshes
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try to use Tgrid instead which is more convinient that tfiler tmerge
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Old   November 19, 2008, 15:32
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import two meshe files in Tgrid and save them as one mesh file can be read in fluent
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Old   November 20, 2008, 08:20
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Hi Tim

Regarding your gambit query ------Even if you define walls in gambit to interface zones you can change it to interface b.c. in Fluent. For naming conventions you can use Rotor:intf1/Casing:intf1 as in your case for turbine. which would be easier for you to find the couple on interfaces defination panel in fluent

And do remember to change the b.c. of these intf# to interface b.c. from boundary condition panel...

Hope so i have understood your query and answered ..... if its different we can resolve it......

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