[Paraview] Fwd: Gradient of Unstructed dataset

[Masaaki SHOJIMA]

Hi Berk,

I appreciate your kindness

Here, I attaches the data.
Compare Gradient.pdf (252KB)

A calculated field by SC/Tetra solver is uploaded in Dropbox. (Calc.zip)
Please download the data. It contains FLD format for SC/Tetra post and CGNS
format for Ensight and Paraview.
https://www.dropbox.com/s/5fpeu1qwhyzjn5u/Calc.zip?dl=0

(1) I calculated the flow and the pressure in a simple cylinder for a test
( diameter 0.005m, length 0.01m). Plug flow at inlet with 0.03 m/s.

(2) Data were transfered to Ensight and Paraview in CGNS format.

(3) Pressure was mapped on the surface and compared between SC/Tetra post,
Ensight and Paraview. All application provided same results.

(4) Gradient (pressure) was calculated in each post and z-component of
Gradient (pressure) was visualized with same colored contour. Only paraview
provided a different image because the computed gradients in paraview had
half values compared to SC/Tetra post and Ensight.

(5) Gradient (velocity-X) was also calculated in each post and the
X-component of Grad (velocity-X) was visualized. Same results as shown in 4.


Thanks a lot.

Masaaki
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