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Hallo Guys,

I have simple query, if somebody could answer that, it would be great.

Actually I want to create a box in which a round pipe is attached and inlet of pipe should be possible to select on surface.

I want to create this geometry for jet flow simulation and keeping pipe inside box.

Please let me know, if some body has idea to do this.

Thanks
Deependra

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Deependra

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Sorry, but I do not really understand what your problem is.
It should be a simple task to create such geometry in the Mechanical Designer or in your CAD system.
Is the problem that you are not familiar how to define inlet and outlet in CFX?

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Rainer Schulze

Please fill in your forum user profile and let us know which software + version you are using.

[Diese Nachricht wurde von Rainer Schulze am 23. Feb. 2016 editiert.]

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geo_jet.png

Thank you rainer for your reply.

Actually I want to fit a pipe inside a box on a surface, and then want to select imprinted face of this pipe on box surface as inlet. I am working ansys design modeler, it has nothing to do with other software.

Currently I created a box and then attached a pipe inside box by sketching circle and then add material but in this case it does not give me imprinted face on box surface and creates two bodies. When i go for meshing it meshes only box not pipe. I used cut material or slice material operation but then in this surface of pipe on box face will be cut and not able to select it.

I know it is very simple problem, just not getting right operation to do.

If you could tell more about it, it would be really appreciable.

I am attaching geometry that I created you can understand what I am trying to do.

Regards
Deependra

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Deependra

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example_1.PNG example_2.PNG example_3.PNG

>>If you could tell more about it, it would be really appreciable.

I have chosen a different way to create the geometry.
Some people prefer to use sketches and extrusions.
I prefer body operations.
When you "insert" new geometry a boolean "unite" operation will be performed as a default.
For cylinder_1 I selected a "subtract" operation instead to ceate the opening in the box wall.
See the attached figures.

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Rainer Schulze

[Diese Nachricht wurde von Rainer Schulze am 23. Feb. 2016 editiert.]

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Thanks Rainer,

How you used add material for cylinder-2 without freezing the body, once you do it, will get two bodies. If you use add frozen option, it will also create two bodies, where my problem arises that it does not mesh pipe inside box which is second body.

I am really grateful to you to help me. Please let me know about your procedure. if it is possible for you to send geometry file, it would be great.

Regards 

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Deependra

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And with this procedure, I am not achieving interface of pipe and box as imprinted face to select, as interface is being cut.

Please let me know.

Thanks

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Deependra

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example_4.PNG example_5.PNG test.wbpz.txt

Sorry, I just recognized that I made a basic mistake designing a housing as for mechanical analysis while you need the "negative" or fluid volume.
In addition to the new pictures I attached a WB repository created in the ANSYS Student version 16.2. Just delete the second file extension ".txt"
You can download the free student version here:
http://www.ansys.com/Products/Academic/ANSYS-Student

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Rainer Schulze

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Thanks Rainer,

I think this is not the geometry that I need to have. Can you please clarify more about your procedure in last geometry.

Thanks for your time here.

Regards

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Deependra

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>>I think this is not the geometry that I need to have.

Are you sure?
For flow simulation we are using CFX. There you need to model the flow volume.
I am not really familiar with Fluent. May be this works different.

>>Can you please clarify more about your procedure in last geometry.

There is not a lot to explain.

>>How you used add material for cylinder-2 without freezing the body, once you do it, will get two bodies.

I just added one feature after the other and DM automatically performs a boolean operation.
With the setting in "operation" I selected the respective type: "Add material" or "Cut material".
If this does not work for you I wonder if there is a different behavior between ANSYS version 14.5 and 16.2 / 17.
Please check the ANSYS help for these details.

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Rainer Schulze

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I need a pipe attached to a box on inner side having common interface of pipe and box surface.

Its about Ansys DM software and nothing to do with fluid solver. As I am only creating geometry.

I am using Ansys 14.5

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Deependra

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