Practice question
Which of the following expressions represents a possible stream function (Ψ) for a two-dimensional incompressible flow?
- 1Ψ = x2 + y2
- 2Ψ = xy✓
- 3Ψ = x2 - y2
- 4Ψ = x3 + y3
Correct answer
Ψ = xy
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