Research Article
Jun 1969
Minimum Weight Design of Enclosed Antennas
Publication: Journal of the Structural Division
Volume 95, Issue 6
Abstract
The minimization of the total weight of the tiltable component of an enclosed antenna structure with a given topology and a given initial design subject to relative deformation constraints (rms limits) in both face-up and face-side attitudes as well as to certain structural constraints is formulated, and the solution to this problem is sought by a modified version of the gradient projection method of nonlinear programming. The given initial design should satisfy all the structural constraints, but it may violate one or both deformation constraints. The solution is obtained in two steps by first finding a feasible solution, that is a solution which satisfies all the constraints, and then minimizing the total weight subject to structural and deformation constraints. The structural constraints, for the sake of simplicity, have been assumed to be linear. The method is tested by optimizing a plane truss of a large radio telescope antenna.
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Published In
Journal of the Structural Division
Volume 95 • Issue 6 • June 1969
Pages: 1139 - 1152
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Jun 1969
Published online: Feb 1, 2021
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Authors
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Mehdi S. Zarghamee, AM.ASCE
Assoc. Prof., Dept. of Mathematics, Arya-Mehr Univ. of Tech., Tehran, Iran
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.