# 5th Order VOF Wave

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 April 20, 2012, 13:34 5th Order VOF Wave #1 New Member   John Doe Join Date: Dec 2011 Posts: 7 Rep Power: 6 Hi everyone, I am running a simulation on a boat and using DFBI tutorial for reference, but I try to use the 5th order VOF wave instead of 1st order VOF wave in the tutorial. my question is, in 5th order there is an additional velocity, from what I understand this function is to explain additional velocity that came from the boat. basically, the inverse of boat velocity. am I right? and if I put the value in the additional velocity, do I have to put the same value on the initial velocity in DFBI-6DOF body to? Thanks

 April 21, 2012, 13:32 #2 New Member   John Doe Join Date: Dec 2011 Posts: 7 Rep Power: 6 please, does anyone know. need some help here.

 April 29, 2012, 11:23 #3 Senior Member   KHB Join Date: Aug 2010 Location: Singapore Posts: 109 Rep Power: 8 Hmm depends on your problem, are you running a ship moving in constant speed? And if you are running in the ship reference frame, the initial velocity of the ship should be 0.

 May 2, 2012, 05:51 #4 New Member   John Doe Join Date: Dec 2011 Posts: 7 Rep Power: 6 yes, I'm running the ship in constant speed. so should i put a value on inital value or in additional velocity? and what do you meen by 'running in the ship reference frame'?

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