# Patching of sandbed for non-rectangular container

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 September 27, 2005, 10:01 Patching of sandbed for non-rectangular container #1 Stella Guest   Posts: n/a Sponsored Links Dear all, I am very new to Fluent and need some help. I am trying to simulate a fluidised sandbed. But my container is not a rectangular tank but a hemisherical one. it is semicircle shape in 2D model. To fill the tank half full with sand, I have to patch it.But when I use adapt-region, they ask me to specify x and y parameters. But the region I want does not have a fixed xy parameter.(it is not a rectangle due to the rounded edge,the y value changes). How can I solve this problem to fill the container half full? Please help if you can. Really thanks.

 September 27, 2005, 14:27 Re: Patching of sandbed for non-rectangular contai #2 Razvan Guest   Posts: n/a That's easy! Simply select rectangular box for region adaption and input opposite corners coordinates, something like this: - first point, let's say lower right point: x>=x(max) y<=y(min) - second point, upper left point: x<=x(min) y=y(max) So, what I'm saying is that you do not need to match x,y values of grid, just define a rectangular box that will overlap the grid till y=y(max). Good luck, Razvan

 September 27, 2005, 23:33 Re: Patching of sandbed for non-rectangular contai #3 Stella Guest   Posts: n/a Just to confirm : So you mean to say that I can just define a rectangular box even though it may be out of my 2D model as long as it covers the areas I want? Thanks Razvan!

 September 28, 2005, 13:25 Re: Patching of sandbed for non-rectangular contai #4 Razvan Guest   Posts: n/a Yes, that's exactly what I meant! You're welcome, Razvan

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