MATHEMATICAL AND TECHNICAL OPTIMA IN THE DESIGN OF WELDED STEEL SHELL STRUCTURES

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FARKAS J.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING Year:2011 | Volume:1 | Issue:1 Page(s): 141-153

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Information Journal Paper

Title

MATHEMATICAL AND TECHNICAL OPTIMA IN THE DESIGN OF WELDED STEEL SHELL STRUCTURES

Author(s)

FARKAS J. | Issue Writer Certificate

Keywords

STRUCTURAL OPTIMIZATION

CIRCULAR AND CONICAL CYLINDRICAL SHELLS

COST CALCULATION

BUCKLING OF PLATES AND SHELLS

ECONOMY OF WELDED STRUCTURES

Abstract

In some cases the optimum is the minimum of the objective function (mathematical optimum), but in other cases the optimum is given by a technical constraint (technical optimum). The present paper shows the both types in two problems. The first problem is to find the optimum dimensions of a ring-stiffened circular cylindrical shell subject to external pressure, which minimize the structural cost. The calculation shows that the cost decreases when the shell diameter decreases. The decrease of diameter is limited by a fabrication constraint that the diameter should be minimum 2 m to make it possible the welding and painting inside of the shell. The second problem is to find the optimum dimensions of a cantilever column loaded by compression and bending. The column is constructed as circular or conical unstiffened shell. The cost comparison of both structural versions shows the most economic one.

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APA: Copy

FARKAS, J.. (2011). MATHEMATICAL AND TECHNICAL OPTIMA IN THE DESIGN OF WELDED STEEL SHELL STRUCTURES. INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING, 1(1), 141-153. SID. https://sid.ir/paper/329316/en

Vancouver: Copy

FARKAS J.. MATHEMATICAL AND TECHNICAL OPTIMA IN THE DESIGN OF WELDED STEEL SHELL STRUCTURES. INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING[Internet]. 2011;1(1):141-153. Available from: https://sid.ir/paper/329316/en

IEEE: Copy

J. FARKAS, “MATHEMATICAL AND TECHNICAL OPTIMA IN THE DESIGN OF WELDED STEEL SHELL STRUCTURES,” INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING, vol. 1, no. 1, pp. 141–153, 2011, [Online]. Available: https://sid.ir/paper/329316/en

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