object drop in a fluid boundary conditions

hamed.majeed · August 15, 2012, 08:52

Hi,
I am simulating an object drop in a fluid using immersed boundary method.
Consider the object placed in a fluid domain from where it moves (initial velocity zero) under gravity. I want to know what boundary conditions to apply to the fluid domain. The fluid is initially static, when a stationary object drops through it under gravity;

ghorrocks · August 15, 2012, 18:33

What type of fluid(s) is involved in this?

hamed.majeed · August 16, 2012, 02:32

Water is the fluid.

ghorrocks · August 16, 2012, 02:34

Single phase water or air/water multiphase (ie free surface)?

August 15, 2012, 08:52	object drop in a fluid boundary conditions	#1
hamed.majeed Senior Member Hamed Abdul Majeed Join Date: May 2012 Location: New Orleans, LA, US Posts: 147 Rep Power: 13	Hi, I am simulating an object drop in a fluid using immersed boundary method. Consider the object placed in a fluid domain from where it moves (initial velocity zero) under gravity. I want to know what boundary conditions to apply to the fluid domain. The fluid is initially static, when a stationary object drops through it under gravity;

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August 15, 2012, 18:33		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	What type of fluid(s) is involved in this?

August 16, 2012, 02:32		#3
hamed.majeed Senior Member Hamed Abdul Majeed Join Date: May 2012 Location: New Orleans, LA, US Posts: 147 Rep Power: 13	Water is the fluid.

August 16, 2012, 02:34		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	Single phase water or air/water multiphase (ie free surface)?