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Patching of sandbed for non-rectangular container

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Old   September 27, 2005, 10:01
Default Patching of sandbed for non-rectangular container
  #1
Stella
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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.

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Old   September 27, 2005, 14:27
Default Re: Patching of sandbed for non-rectangular contai
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Razvan
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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
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Old   September 27, 2005, 23:33
Default Re: Patching of sandbed for non-rectangular contai
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Stella
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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!
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Old   September 28, 2005, 13:25
Default Re: Patching of sandbed for non-rectangular contai
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Razvan
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Yes, that's exactly what I meant!

You're welcome, Razvan
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