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Software development for subsonic aircraft’s unsteady longitudinal stability derivatives calculation

By Maričić Nikola

Abstract

Subsonic general configuration aircrafts’ unsteady longitudinal aerodynamic stability derivatives can be estimated using finite element methodology based on the Doublet Lattice Method (DLM), the Slender Body Theory (SBT) and the Method of Images (MI). Applying this methodology, software DERIV is developed. The obtained results from DERIV are compared to NASTRAN examples HA21A and HA75H. A good agreement is achieved

Topics: unsteady aerodynamics, stability derivatives, Mechanical engineering and machinery, TJ1-1570, Technology, T, DOAJ:Mechanical Engineering, DOAJ:Technology and Engineering, Mechanics of engineering. Applied mechanics, TA349-359
Publisher: Serbian Society of Mechanics & Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade
Year: 2005
DOI identifier: 10.2298/TAM0504319M
OAI identifier: oai:doaj.org/article:154d9874e1bd420786a13183d487024e
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