AN OPTIMIZATION PROCEDURE FOR AUTOMATED DESIGN OF SEISMIC-RESISTANT STEEL FRAMES

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MOHARAMI H.; ALAVINASAB S.A.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF CIVIL ENGINEERING Year:2006 | Volume:4 | Issue:2 Page(s): 86-105

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Title

AN OPTIMIZATION PROCEDURE FOR AUTOMATED DESIGN OF SEISMIC-RESISTANT STEEL FRAMES

Author(s)

MOHARAMI H. | ALAVINASAB S.A. | Issue Writer Certificate

Keywords

OPTIMIZATION

WEIGHT MINIMIZATION

EARTHQUAKE RESISTANT

SEISMIC RESISTANT

SEISMIC ANALYSIS

EQUIVALENT STATIC LOADING

OPTIMALITY CRITERIA

STEEL FRAMES

SENSITIVITY ANALYSIS

Abstract

In this paper a general procedure for automated minimum weight design of two dimensional STEEL FRAMES under seismic loading is proposed. The proposal comprises two parts:a) Formulation of automated design of frames under seismic loading and b) introduction of an OPTIMIZATION engine and the improvement made on it for the solution of optimal design. Seismic loading, that depends on dynamic characteristics of structure, is determined using "Equivalent static loading" scheme. The design automation is sought via formulation of the design problem in the form of a standard OPTIMIZATION problem in which the design requirements is treated as OPTIMIZATION constraints.The OPTIMALITY CRITERIA (DC) method has been modified/improved and used for solution of the OPTIMIZATION problem. The improvement in (DC) algorithm relates to simultaneous identification of active set of constraints and calculation of corresponding Lagrange multipliers. The modification has resulted in rapid convergence of the algorithm, which is promising for highly nonlinear optimal design problems. Two examples have been provided to show the procedure of automated design and OPTIMIZATION of seismic-resistant frames and the performance and capability of the proposed algorithm.

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APA: Copy

MOHARAMI, H., & ALAVINASAB, S.A.. (2006). AN OPTIMIZATION PROCEDURE FOR AUTOMATED DESIGN OF SEISMIC-RESISTANT STEEL FRAMES. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, 4(2), 86-105. SID. https://sid.ir/paper/271731/en

Vancouver: Copy

MOHARAMI H., ALAVINASAB S.A.. AN OPTIMIZATION PROCEDURE FOR AUTOMATED DESIGN OF SEISMIC-RESISTANT STEEL FRAMES. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING[Internet]. 2006;4(2):86-105. Available from: https://sid.ir/paper/271731/en

IEEE: Copy

H. MOHARAMI, and S.A. ALAVINASAB, “AN OPTIMIZATION PROCEDURE FOR AUTOMATED DESIGN OF SEISMIC-RESISTANT STEEL FRAMES,” INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, vol. 4, no. 2, pp. 86–105, 2006, [Online]. Available: https://sid.ir/paper/271731/en

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