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water entry

saji vf over 1 year ago

Hello,

can we do missile water entry case 3D in fine marine ,

1.if we can do how do we proceed through overset meshing (a case file if possible ) or case settings.

2. any validation done in fine marine?

Thank you.

0 saji vf over 1 year ago in reply to Benoit Mallol

to_send.zip

Can you please check the case setup that i did for water entry at 0 deg & reset the setup in case it is wrong

Thank you.
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0 Benoit Mallol over 1 year ago in reply to saji vf

Hi,

You setup is basically correct. Here your cylinder will rotate around the Reference point (0,0,0) and it is above the water line. So you are not going to simulate water entry here. It will just rotate in the water. Maybe you want to put the Tz solved to let it fall?

Best regards,

Benoit
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0 saji vf over 1 year ago in reply to Benoit Mallol

Yes my cylinder should fall into the water at 40m/s for this my setup is correct right?
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0 Benoit Mallol over 1 year ago in reply to saji vf

I see that all your DOF are fixed except Rz. How can it fall in the water? It will just rotate around (0,0,0). It can indeed hit the water thanks to the rotation but the object will continue to rotate forever.
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0 saji vf 11 months ago in reply to Benoit Mallol

Thank you for the info :-)
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