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Riemann invariants are obtained by differentiating the compatibility equations for the characteristic lines.

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in Aerodynamics by (773k points)
Riemann invariants are obtained by differentiating the compatibility equations for the characteristic lines.

(a) True

(b) False

I got this question during an interview.

My enquiry is from Finite Waves topic in chapter Unsteady Wave Motion of Aerodynamics

1 Answer

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Right choice is (b) False

To explain: When the two compatibility equations for C+ and C– characteristic lines are integrated, we obtain the Riemann invariants. J+ is the Riemann invariant for C+ characteristic line and J– is the Riemann invariant for C– characteristic line.

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