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-   -   Patching of sandbed for non-rectangular container (http://www.cfd-online.com/Forums/fluent/38022-patching-sandbed-non-rectangular-container.html)

 Stella September 27, 2005 10:01

Patching of sandbed for non-rectangular container

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?

 Razvan September 27, 2005 14:27

Re: Patching of sandbed for non-rectangular contai

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

 Stella September 27, 2005 23:33

Re: Patching of sandbed for non-rectangular contai

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!

 Razvan September 28, 2005 13:25

Re: Patching of sandbed for non-rectangular contai

Yes, that's exactly what I meant!

You're welcome, Razvan

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