Optimal design of an aircraft engine mount via bit-masking oriented genetic algorithms

Authors:
Luigi Iuspa;Francesco Scaramuzzino;Pietro Petrenga
Affiliations:
Department of Aerospace Engineering, Second University of Naples, Via Roma 29, 81031 Aversa, CE, Italy;Department of Aerospace Engineering, Second University of Naples, Via Roma 29, 81031 Aversa, CE, Italy;Technical Department, FIAT Auto, Corso Settembrini 19, Turin, Italy
Venue:
Advances in Engineering Software - Civil-comp 2001
Year:
2003

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Abstract

In this paper a geometric-topologic structural optimisation procedure for a transport aircraft engine mount is shown. In order to achieve the minimum structural weight under some functional and operative constraints, both static and dynamic aspects have been treated. A parametric FEM model with extended self-consistent controls on topology has been developed. The genetic algorithm used for the optimisation procedure was based on a specific bit-masking oriented data structure able to handle properly both continuous and discrete design variables requested by the hybrid geometric-topological model of the structure.