發(fā)布時間：2018-06-16 08:10

  本文選題：鋼筋混凝土框架結(jié)構(gòu) + 優(yōu)化設(shè)計　； 參考：《遼寧工程技術(shù)大學(xué)》2015年碩士論文

【摘要】：鋼筋混凝土框架結(jié)構(gòu)應(yīng)用廣泛,是我國最主要的建筑結(jié)構(gòu)形式之一。傳統(tǒng)的結(jié)構(gòu)設(shè)計注重可靠性的同時往往忽略了結(jié)構(gòu)的經(jīng)濟性,針對這一問題,本文基于MATLAB與ANSYS混合編程的方法編制了平面鋼筋混凝土框架結(jié)構(gòu)的優(yōu)化設(shè)計程序,充分發(fā)揮二者的優(yōu)勢,將有限元法與遺傳算法相結(jié)合,應(yīng)用于框架結(jié)構(gòu)優(yōu)化設(shè)計中,在構(gòu)件層面對鋼筋混凝土框架結(jié)構(gòu)的優(yōu)化設(shè)計進(jìn)行了定量研究。主要有以下內(nèi)容：(1)以現(xiàn)行的結(jié)構(gòu)設(shè)計規(guī)范中相關(guān)規(guī)定作為約束條件,以造價為優(yōu)化目’標(biāo)函數(shù),以鋼筋混凝土框架結(jié)構(gòu)構(gòu)件的截面尺寸及各配筋面積為設(shè)計變量,建立優(yōu)化數(shù)學(xué)模型,編制優(yōu)化程序。(2)利用ANSYS參數(shù)化設(shè)計語言APDL編寫并形成框架結(jié)構(gòu)的內(nèi)力分析的批處理文件,使得整個有限元分析過程能夠在后臺運行,后續(xù)的MATLAB優(yōu)化主程序以子程序調(diào)用的方式來執(zhí)行內(nèi)力分析的批處理文件,實現(xiàn)了MATLAB對ANSYS的調(diào)用。(3)優(yōu)化主程序采用智能的遺傳算法,基于MATLAB軟件平臺,以MATLAB優(yōu)化工具箱中的遺傳算法(GA)函數(shù)為優(yōu)化計算核心,實現(xiàn)優(yōu)化功能,并通過生成的路徑選擇器將優(yōu)化結(jié)果保存。(4)以某四層三跨鋼筋混凝土框架結(jié)構(gòu)為例,采用本文程序?qū)ζ鋬?yōu)化分析,并生成優(yōu)化結(jié)果報告,結(jié)果表明本程序的優(yōu)化效果良好,從而證明了程序的可行性。本文的研究可以為鋼筋混凝土框架結(jié)構(gòu)的優(yōu)化設(shè)計提供一定的理論參考和實踐意義。
[Abstract]:Reinforced concrete frame structure is widely used and is one of the most important building structures in China. Traditional structural design pays attention to reliability and often neglects the economy of structure. Aiming at this problem, the optimization design program of plane reinforced concrete frame structure is compiled based on the mixed programming method of MATLAB and ANSYS. The finite element method (FEM) and genetic algorithm (GA) are combined to optimize the design of frame structure. The optimum design of reinforced concrete frame structure is studied quantitatively at the component level. The main contents are as follows: (1) taking the relevant provisions of the current structural design code as the constraint conditions, taking the cost as the optimization objective 'standard function, and taking the section size and the reinforcement area of the reinforced concrete frame structural members as design variables, The optimization mathematical model is established and the optimization program. 2) the batch processing file of the internal force analysis of the frame structure is compiled by the ANSYS parametric design language APDL, which makes the whole finite element analysis process run in the background. Following MATLAB optimizes the main program to carry out the batch processing file of the internal force analysis by the way of subprogram calling, realizes the MATLAB call to ANSYS. The optimization main program adopts intelligent genetic algorithm, based on the MATLAB software platform. Taking the genetic algorithm (GA) function in MATLAB optimization toolbox as the core of optimization calculation, the optimization function is realized, and the optimized result is saved by the path selector generated. (4) A four-story three-span reinforced concrete frame structure is taken as an example. The optimization analysis is carried out by using the program in this paper, and the optimization result report is generated. The results show that the optimization effect of the program is good and the feasibility of the program is proved. The research in this paper can provide certain theoretical reference and practical significance for the optimization design of reinforced concrete frame structure.
【學(xué)位授予單位】：遼寧工程技術(shù)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TU375.4

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本文編號：2025997