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M. de Benedetti*, R. Baldassarri+ and C. Scarponi*

*Aerospace Department, University of Rome "La Sapienza", Rome, Italy
+Alenia Aerospazio Div. Spazio, Rome, Italy

doi:10.4203/ccp.52.6.6

M. de Benedetti, R. Baldassarri, C. Scarponi, "An Equivalence Method to Compute Mechanical Properties of Repetitive Structures", in B.H.V. Topping, (Editor), "Advances in Computational Mechanics with High Performance Computing", Civil-Comp Press, Edinburgh, UK, pp 141-152, 1998. doi:10.4203/ccp.52.6.6

Abstract

In this study is described the conceptual approach to a computational methodology for the determination of the elastic characteristics of complex repetitive structures like the radiating surface of a satellite Antenna Array. The procedure uses a Finite Element structural analysis technique and can be applied for those complex structures that, if meshed with normal procedures, could originate a too high number of degrees of freedom. In addition, the proposed methodology results useful in a design synthesis phase when the influence of macroscopic variables over the global structural performances has to be assessed in a parametric way. This procedure can be used to study thin-walled complex structures, through a low number of degrees of freedom, and it is based on the inversion of the elasticity equation in the constitutive theory, where the unknowns are the stiffness matrix elements.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 52 ADVANCES IN COMPUTATIONAL MECHANICS WITH HIGH PERFORMANCE COMPUTING Edited by: B.H.V. Topping Paper VI.6 An Equivalence Method to Compute Mechanical Properties of Repetitive Structures M. de Benedetti, R. Baldassarri+ and C. Scarponi *Aerospace Department, University of Rome "La Sapienza", Rome, Italy +Alenia Aerospazio Div. Spazio, Rome, Italy doi:10.4203/ccp.52.6.6 purchase the full-text of this paper Full Bibliographic Reference for this paper M. de Benedetti, R. Baldassarri, C. Scarponi, "An Equivalence Method to Compute Mechanical Properties of Repetitive Structures", in B.H.V. Topping, (Editor), "Advances in Computational Mechanics with High Performance Computing", Civil-Comp Press, Edinburgh, UK, pp 141-152, 1998. doi:10.4203/ccp.52.6.6 Abstract In this study is described the conceptual approach to a computational methodology for the determination of the elastic characteristics of complex repetitive structures like the radiating surface of a satellite Antenna Array. The procedure uses a Finite Element structural analysis technique and can be applied for those complex structures that, if meshed with normal procedures, could originate a too high number of degrees of freedom. In addition, the proposed methodology results useful in a design synthesis phase when the influence of macroscopic variables over the global structural performances has to be assessed in a parametric way. This procedure can be used to study thin-walled complex structures, through a low number of degrees of freedom, and it is based on the inversion of the elasticity equation in the constitutive theory, where the unknowns are the stiffness matrix elements. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £56 +P&P)
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