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We will observe the normalized velocity (u/U_infinity) at the outlet. Insert a point and call it free stream. The velocity at this point will be extracted and set to the free stream velocity (U_infinity).

Enter the following coordinates and click on Apply.

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The location of this point can be visualized in the 3D viewer:

Enter the following coordinates and click on Apply.

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In the expressions tab, create a new expression and name it "Uinf". In Details of Uinf, enter the following command and click on Apply:

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Insert another expression and name it "u normalized". Enter the following command and notice its value is a variable. This is because the xu-velocity varies in the y direction.

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