Open AccessEvolutionary-based optimization of steel moment frames using direct analysis method
Author(s) -
Tran-Hieu Nguyen,
Anh-Tuan Vu
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/869/5/052077
Subject(s) - moment (physics) , frame (networking) , computer science , flexibility (engineering) , steel design , structural engineering , mathematical optimization , steel frame , algorithm , engineering drawing , engineering , mathematics , telecommunications , statistics , physics , classical mechanics
Steel moment frames are widely used in multi-story buildings due to their advantages such as robust as well as flexibility in architectural planning. This paper proposes a design method of steel moment frames based on an optimization algorithm called Differential Evolution. In the optimization problem, the design variables are the cross-sections of the steel members while the objective function is the total weight of the frame. The frame is designed based on the direct analysis method which is specified in the ANSI/AISC 360-10 “Specification for Structural Steel Buildings”. A program, called FrameOpt, is developed using Visual Basic for Application language to implement the optimization algorithm. This program connects to the SAP2000 analysis program for the steel design through the open Application Programming Interface feature. An example is conducted to demonstrate the applicability of the proposed method.