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Free surface floodgate in 2D

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Message 1 of 6
PaulNielsen
Advocate
606 Views, 5 Replies
‎11-04-2015 04:38 AM

Free surface floodgate in 2D

PaulNielsen
Advocate
Advocate
‎11-04-2015 04:38 AM

I am currently investigating the possibilty of simulating a flloodgate in SimCFD 2016 preferably in 2D. 

 

The situation is that the gate has been lowered 100mm and we want to simulate this event.

 

How are the free surface capabilities i 2D?

 

How do I define the boundary condition so that I the fluid height on the left is constant (see attached pic)? 

 

Right now we are only interested in wether or not the method works, not so much in accurate results. However tips on regarding domain size or whatever are appreciated.

 

Preview file
205 KB
Free surface 2D_support.cfz
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‎11-04-2015 04:38 AM

Free surface floodgate in 2D

I am currently investigating the possibilty of simulating a flloodgate in SimCFD 2016 preferably in 2D. 

 

The situation is that the gate has been lowered 100mm and we want to simulate this event.

 

How are the free surface capabilities i 2D?

 

How do I define the boundary condition so that I the fluid height on the left is constant (see attached pic)? 

 

Right now we are only interested in wether or not the method works, not so much in accurate results. However tips on regarding domain size or whatever are appreciated.

 

Preview file
205 KB
Free surface 2D_support.cfz
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5 REPLIES 5
Message 2 of 6
Jon.Wilde
Alumni
in reply to: PaulNielsen
‎11-04-2015 12:41 PM

Jon.Wilde
Alumni
Alumni
‎11-04-2015 12:41 PM

Simply, yes - we can do this in 3D and 2D 🙂

Check out this webinar, I think it will help you out!






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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‎11-04-2015 12:41 PM

Simply, yes - we can do this in 3D and 2D 🙂

Check out this webinar, I think it will help you out!






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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Message 3 of 6
Jon.Wilde
Alumni
in reply to: Jon.Wilde
‎11-06-2015 05:24 AM

Jon.Wilde
Alumni
Alumni
In response to Jon.Wilde
‎11-06-2015 05:24 AM

Hi Paul,

 

How did this work out? All OK?






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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‎11-06-2015 05:24 AM

Hi Paul,

 

How did this work out? All OK?






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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Message 4 of 6
PaulNielsen
Advocate
in reply to: Jon.Wilde
‎11-06-2015 07:30 AM

PaulNielsen
Advocate
Advocate
In response to Jon.Wilde
‎11-06-2015 07:30 AM

I attended that webinar actually! I rewatched it now too and it doesn't really answer my question on how to keep the sealevel constant. Is assigning a flow condition at the inlet the only way to keep the body of water from sinking?

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‎11-06-2015 07:30 AM

I attended that webinar actually! I rewatched it now too and it doesn't really answer my question on how to keep the sealevel constant. Is assigning a flow condition at the inlet the only way to keep the body of water from sinking?

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Message 5 of 6
Jon.Wilde
Alumni
in reply to: PaulNielsen
‎11-06-2015 10:16 AM

Jon.Wilde
Alumni
Alumni
In response to PaulNielsen
‎11-06-2015 10:16 AM
Accepted solution

Very cool, glead to hear it.

 

Check this out, using the pressure underneath might be the solution. I have used this quite a few times now with great success.






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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‎11-06-2015 10:16 AM

Very cool, glead to hear it.

 

Check this out, using the pressure underneath might be the solution. I have used this quite a few times now with great success.






Jon Wilde
Technical Support Manager

CFD Knowledge Network | CFD Help | My Screencasts | Autodesk Simuation YouTube | CFD Tutorials
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Message 6 of 6
PaulNielsen
Advocate
in reply to: PaulNielsen
‎11-06-2015 10:51 AM

PaulNielsen
Advocate
Advocate
‎11-06-2015 10:51 AM
Cool i will try the pressure suggestion on monday. I will get back to you with that!
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‎11-06-2015 10:51 AM

Cool i will try the pressure suggestion on monday. I will get back to you with that!
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