Titlebook: Coupling of Fluids, Structures and Waves in Aeronautics; Proceedings of a Fre Noel G. Barton,Jacques Periaux Conference proceedings 2003 Sp

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Antenna Integration on Aircraft: Needs and MethodologyModern combat aircraft increasingly incorporate more and more operational functions. These functions use a wide range of frequencies over the entire electromagnetic spectrum. They are essentially related to three functional areas, which are:

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An Iterative Method for Time-harmonic Integral Maxwell’s EquationsWe present an iterative algorithm for time harmonic Maxwell’s equation, using a particular integral formulation proposed in [13], [8]. We discuss the rate of convergence of the algorithm. In the case of of sphere scatterer the condition number of the method is adressed by means of Fourier transform.

Obverse

Techniques for Optimal Shape DesignIn this paper we apply to a few new problems some of the techniques we have developed over the years for optimal shape design. These include optimality conditions, automatic differentiation and the appropriate descent methods.

Fibrin

An Investigation of the Least-Squares Finite Element Method in ElectromagnetismThe least-squares FEM applied directly to Maxwell’s equations is investigated as an alternative to the Galerkin FEM. The least-squares FEM is introduced via a simple model problem. Determinacy and ellipticity of the Maxwell system is investigated using Clifford algebra. Some simple results for a practical component are presented.

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Das Wissen und die Wissensgesellschaft,edge segments are of approximately equal length and the region of separated flow at the junction of the wedges can extend over a significant fraction of the surface in uniform steady flow. The extent of the separation was found to be strongly dependent on the Mach and Knudsen numbers. A noise field

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