# GRID TO GRID INTERPOLATION in FLUENT

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 May 16, 2003, 02:49 GRID TO GRID INTERPOLATION in FLUENT #1 calogero Guest   Posts: n/a Hi everybody: did somebody already perform grid to grid interpolation in fluent? in fluent_UG section.3.14: http://www.psc.edu/general/software/...e105.htm#12579 it is said: **FLUENT can interpolate solution data FOR A GIVEN GEOMETRY from one grid to another, allowing you to compute a solution using one grid (e.g., hexahedral) and then change to another grid (e.g., hybrid) and continue the calculation using the first solution as a starting point.** what is the meaning of "for a given geometry"? is it the wall (or solid body) position in the grid?? cuz I have a moving airfoil(two in another case moving relatively one to the other)what I change from a grid to the next one is the position of this foil in the grid. is it ok to interpolate the previous grid data to be used as a starting point to the next grid? thanks for any help

 May 22, 2003, 09:05 Re: GRID TO GRID INTERPOLATION in FLUENT #2 Dennis Guest   Posts: n/a I have tried ,it is ok.

 May 23, 2003, 02:34 Re: GRID TO GRID INTERPOLATION in FLUENT #3 calogero Guest   Posts: n/a thanx Dennis! do you mean it is ok for my case? although I change the grid (by changing the solid body's position in it)! do you know in more details how this interpolation is performed by fluent? thanx

 June 4, 2003, 08:32 Re: GRID TO GRID INTERPOLATION in FLUENT #4 caloggero Guest   Posts: n/a Hi Dennis ! I tried interpolating data from one grid to another, but the spacial position of the body changes from the first to the second one, thus it gives me in the new grid (at the place where was initially the body in the previous mesh), data am afraid is wrong. but after doing the calculation for the second grid, I find something normal.what do you think about that? do you have any idea about how fluent performs this interpolation? thanx

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