An Integrated System for Aerodynamic, Structural, and RF Stealth Analysis of Flying Vehicles

An integrated multidisciplinary analysis and design system plays a critical role in the preliminary design of an aircraft. In this work a system based on the CATIA is developed for multidisciplinary computational design; aerodynamics, elasticity, and radar frequency stealth. Common data base of geometry and rectangular grids is generated and used for aerodynamic and structural analysis, while derivative triangular grids are generated for the RCS calculation. The panel method (PANAIR), FEM (NASTRAN), and PO technique are used for aerodynamic, structural, and RF stealth computations, respectively, and several additional algorithms are developed for the effective communication of the common data.ﾖ⨀ጊ吀Ѐ㘷〻Ԁ䭃䑎䷙૆6㐶㬅K䍄乍쐗ጊ䴀Ѐ㘸㜻Ԁ䭃䑎䴀