how draw height of water against length of model?

hamidciv · August 26, 2015, 04:00

hi every one
i want draw height of water (depth) in model against length model (x), i drawed one polyline in surface water,as i know i should used of cel but dont exactly how used it, please guide me.
many thanks

ghorrocks · August 26, 2015, 05:08

Looks like you already have a line which follows the surface of the water. Getting the depth of the water is a little tricky. As your geometry is quite simple you can probably do it as an analytical function versus X position. Drawing the depth is likely to be beyond CFD-Post so I would export this data (File/export) and use something like matlab/python/whatever to process the data and determine the water depth.

hamidciv · August 26, 2015, 06:14

dear glenn thanks for reply, i have one other question you, i want in one spicified length e.g x=20m obtaining amounts of water.vf in hegiht of water, i defined one vertical line , now if your possible please help me for do this.
thanks a lot

ghorrocks · August 26, 2015, 06:26

lengthInt(water.vf)@LineObject

hamidciv · August 26, 2015, 06:51

dear glenn , i done your order but How can I get output of it and observed amounts water.vf?
thanks

ghorrocks · August 26, 2015, 07:29

Use the function calculator in CFD-Post to evaluate the expression.

hamidciv · August 26, 2015, 09:16

dear glenn , thanks a lot for reply and spending time for me.

August 26, 2015, 05:08		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,729 Rep Power: 143	Looks like you already have a line which follows the surface of the water. Getting the depth of the water is a little tricky. As your geometry is quite simple you can probably do it as an analytical function versus X position. Drawing the depth is likely to be beyond CFD-Post so I would export this data (File/export) and use something like matlab/python/whatever to process the data and determine the water depth. hamidciv likes this.

August 26, 2015, 07:29		#6
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,729 Rep Power: 143	Use the function calculator in CFD-Post to evaluate the expression. hamidciv likes this.

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August 26, 2015, 06:26		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,729 Rep Power: 143	lengthInt(water.vf)@LineObject

August 26, 2015, 06:51		#5
hamidciv Senior Member Hydreaulic structures Join Date: Sep 2012 Posts: 283 Rep Power: 14	dear glenn , i done your order but How can I get output of it and observed amounts water.vf? thanks

August 26, 2015, 09:16		#7
hamidciv Senior Member Hydreaulic structures Join Date: Sep 2012 Posts: 283 Rep Power: 14	dear glenn , thanks a lot for reply and spending time for me.