Minimum Weight Design of a Steel Truss with Stress and Deformation Constraints, Subject to Multiple Loading Conditions and Using Available Sections PDF Download
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Author: Alfreds Vikmanis
Publisher:
ISBN:
Category : Computer engineering
Languages : en
Pages : 0
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Author: Alfreds Vikmanis
Publisher:
ISBN:
Category : Computer engineering
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category : Canada
Languages : en
Pages : 1232
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Author:
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 620
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Author: Jorge E. Félix
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ISBN:
Category : Mechanical engineering
Languages : en
Pages : 142
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Three-dimensional trusses are designed for minimum weight, subject to constraints on: member stresses, Euler buckling, joint displacements and system natural frequencies. Multiple static load conditions are considered. The finite element displacement method of analysis is used and eigenvalues are calculated using the subspace iteration technique. All gradient information is calculated analytically. The design problem is cast as a multi-level numerical optimization problem. The joint coordinates are treated as system variables. For each proposed configuration, the member sizes are updated as a sub-optimization problem. This sub-problem is efficiently solved using approximation concepts in the reciprocal variable space. The multi-level approach is shown to be an effective technique which conveniently takes advantage of the most efficient methods available for the member sizing problem. Examples are presented to demonstrate the method. The optimum configuration is shown to be strongly dependent on the constraints which are imposed on the design. (Author).
Author: Milton J. Schrader
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Author: N. C. Huang
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ISBN:
Category : Strains and stresses
Languages : en
Pages : 33
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The paper deals with the minimum-volume design of elastic truss subject to deflection constraints. The effects of inequality stress constraints and multiple loadings are examined. Examples are presented to illustrate the methods developed in the paper.
Author: Geodex International
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ISBN:
Category : Civil engineering
Languages : en
Pages : 744
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Author: Chichen Chang
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Category :
Languages : en
Pages : 136
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Author:
Publisher:
ISBN:
Category : Building, Iron and steel
Languages : en
Pages : 524
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Author:
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ISBN:
Category : Metallurgy
Languages : en
Pages : 1164
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