Trefftz Plane, computing induced drag in the far field, with application to the VLM

Trefftz plane concept, computing induced drag in the far-field, drag free vs force free wake, equations for far-field induced drag of a VLM, Munk's stagger theorem, mutual induced drag theorem.

[@Parzicavallo]

Thank you so much this was very clear and helpful

[@stephenjervis4426]

As someone with a passing interest in aerodynamics I've really been enjoying this series of lectures. You refer to 'the book' quite a bit throughout, is there a supporting textbook or some other reference material I could look to buy? Many thanks.

[@BYUFLOWLab]

Just a draft - more a set of notes at this point - but you can download it here: byu.box.com/shared/static/ywfayozbj3sr2ot6b32u8nqk5brqvurt.pdf