Cfd post

mshf7 · August 20, 2013, 16:40

Hi
how can I see wave profile on a ship hull in ansys cfx post?

JuPa · August 20, 2013, 16:57

Have you modeled this using two phases (water and air)? If so you can create a surface plane on the ships hull, and then insert a new contour at that location (the surface plane you created) and colour the contour by volume fraction of water or air.

mshf7 · August 22, 2013, 02:15

thank you becouse of your answer but I don't want see the countur.Iwant to make a wave profile charts on my ship hull in order to see the differences between experimental tests and cfd.my analysis contain air and water .thank u

JuPa · August 22, 2013, 05:30

Post a picture of the charts you have for your experimental data. Also post a picture of your domain and setup.

You haven't told us what you're doing, and unfortunately we can't read your mind, so you have to tell us!

mshf7 · August 22, 2013, 10:33

12.png

123.jpg
I attach wave profile picture an my domain.I am analysing drag forc on a ship hull in tow domain of air and water with an interface.I use domain interface in my set up and steady state solving .

ghorrocks · August 22, 2013, 19:04

Generate a plane at the locations you want to generate wave profiles.

Then generate a contour plot on that plane of volume fraction. Make sure you generate a contour at VF=0.5.

Next create a polyline using the VF=0.5 contour.

Finally, plot the polyline height in CFD-Post, or export it and plot it in your choice of package (excel, tecplot, matlab, whatever).

August 20, 2013, 16:40	Cfd post	#1
mshf7 New Member mohammad Join Date: May 2013 Posts: 10 Rep Power: 12	Hi how can I see wave profile on a ship hull in ansys cfx post?

August 22, 2013, 10:33	wave profile	#5
mshf7 New Member mohammad Join Date: May 2013 Posts: 10 Rep Power: 12	12.png 123.jpg I attach wave profile picture an my domain.I am analysing drag forc on a ship hull in tow domain of air and water with an interface.I use domain interface in my set up and steady state solving .

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August 20, 2013, 16:57		#2
JuPa Senior Member Mr CFD Join Date: Jun 2012 Location: Britain Posts: 361 Rep Power: 14	Have you modeled this using two phases (water and air)? If so you can create a surface plane on the ships hull, and then insert a new contour at that location (the surface plane you created) and colour the contour by volume fraction of water or air.

August 22, 2013, 02:15	hi	#3
mshf7 New Member mohammad Join Date: May 2013 Posts: 10 Rep Power: 12	thank you becouse of your answer but I don't want see the countur.Iwant to make a wave profile charts on my ship hull in order to see the differences between experimental tests and cfd.my analysis contain air and water .thank u

August 22, 2013, 05:30		#4
JuPa Senior Member Mr CFD Join Date: Jun 2012 Location: Britain Posts: 361 Rep Power: 14	Post a picture of the charts you have for your experimental data. Also post a picture of your domain and setup. You haven't told us what you're doing, and unfortunately we can't read your mind, so you have to tell us!

August 22, 2013, 19:04		#6
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	Generate a plane at the locations you want to generate wave profiles. Then generate a contour plot on that plane of volume fraction. Make sure you generate a contour at VF=0.5. Next create a polyline using the VF=0.5 contour. Finally, plot the polyline height in CFD-Post, or export it and plot it in your choice of package (excel, tecplot, matlab, whatever).