AERODYNAMIC LOAD OF AN AIRCRAFT WITH A HIGHLY ELASTIC WING | Zendy

Pavel Schoř | Zendy

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AERODYNAMIC LOAD OF AN AIRCRAFT WITH A HIGHLY ELASTIC WING

Author(s) -

Pavel Schoř

Publication year - 2017

Publication title -

acta polytechnica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.207

H-Index - 15

eISSN - 1805-2363

pISSN - 1210-2709

DOI - 10.14311/ap.2017.57.0272

Subject(s) - aerodynamics , wing , computational fluid dynamics , finite element method , wing configuration , glider , wing twist , structural engineering , computer science , aerospace engineering , engineering , angle of attack , algorithm

In this article, a method for calculation of air loads of an aircraft with an elastic wing is presented. The method can predict a redistribution of air loads when the elastic wing deforms. Unlike the traditional Euler or Navier-Stokes CFD to FEM coupling, the method uses 3D panel method as a source of aerodynamic data. This makes the calculation feasible on a typical recent workstation. Due to a short computational time and low hardware demands this method is suitable for both the preliminary design stage and the load evaluation stage. A case study is presented. The study compares a glider wing performing a pull maneuver at both rigid and and elastic state. The study indicates a significant redistribution of air load at the elastic case.

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