Statement of the problem of designing a liquid rocket engine dual bell nozzle of the maximum thrust using the direct method of the calculus of variations by Ivan Dubrovskyi, Valerii Bucharskyi

“…As an alternative to the method of characteristics, this paper proposes to use the direct method of calculus of variations [4] for profiling a dual bell nozzle. …”
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Local estimates for functionals rotationally invariant with respect to the gradient by Telma João Santos

Subjects: “…calculus of variations…”
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