query

Ravneet · December 4, 2017, 11:25

is it possible to give two initial condition at one time i.e value of velocity and pressure at a one time??

ghorrocks · December 4, 2017, 15:48

You can only define one initial condition as there can only be one reality in existence at once. But the initial condition must define the initial state of all solution variables, so that is velocity, pressure, turbulence, temperature and any other modelled variables.

So to answer your question, yes, you can define both velocity and pressure in an initial condition. But this is not two initial conditions, just one.

December 4, 2017, 11:25	query	#1
Ravneet New Member Join Date: Dec 2017 Posts: 1 Rep Power: 0	is it possible to give two initial condition at one time i.e value of velocity and pressure at a one time??

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December 4, 2017, 15:48		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,716 Rep Power: 143	You can only define one initial condition as there can only be one reality in existence at once. But the initial condition must define the initial state of all solution variables, so that is velocity, pressure, turbulence, temperature and any other modelled variables. So to answer your question, yes, you can define both velocity and pressure in an initial condition. But this is not two initial conditions, just one.