CFD-post laplacian plot

zese · March 1, 2023, 02:39

Dear all

I want to have $\Delta$ u in CFD post and plot it over a surface. I tried the following but it was not successful and received error. what can I do?

MyGradUx=Velocity u.Gradient X
MyGradGradUx=MyGradUx.Gradient X

siw · March 1, 2023, 06:50

Do you have access to the Ansys Customer Portal? If you do, being an Ansys customer, then this is explained in detail in Knowledge Resource #2048298.

zese · March 1, 2023, 07:15

Quote:

Originally Posted by siw

Do you have access to the Ansys Customer Portal? If you do, being an Ansys customer, then this is explained in detail in Knowledge Resource #2048298.

Thank you Dear but I don't have access to this portal.

siw · March 3, 2023, 04:28

Checking the CFX Reference Guide in version 2022 R2, can you use Laplacian as explained in Section 15.2 Quantitative CEL Functions in Ansys CFX?

March 1, 2023, 02:39	CFD-post laplacian plot	#1
zese Senior Member Zese Join Date: Sep 2013 Posts: 102 Rep Power: 12	Dear all I want to have $\Delta$ u in CFD post and plot it over a surface. I tried the following but it was not successful and received error. what can I do? MyGradUx=Velocity u.Gradient X MyGradGradUx=MyGradUx.Gradient X

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March 1, 2023, 06:50		#2
siw Senior Member Stuart Join Date: Jul 2009 Location: Portsmouth, England Posts: 733 Rep Power: 25	Do you have access to the Ansys Customer Portal? If you do, being an Ansys customer, then this is explained in detail in Knowledge Resource #2048298.

March 3, 2023, 04:28		#4
siw Senior Member Stuart Join Date: Jul 2009 Location: Portsmouth, England Posts: 733 Rep Power: 25	Checking the CFX Reference Guide in version 2022 R2, can you use Laplacian as explained in Section 15.2 Quantitative CEL Functions in Ansys CFX?