OPTIMIZATION OF GRILLAGES USING GENETIC ALGORITHMS FOR INTEGRATING MATLAB AND FORTRAN ENVIRONMENTS / MATLAB IR FORTRAN APLINKŲ SUJUNGIMAS ROSTVERKAMS OPTIMIZUOTI GENETINIAIS ALGORITMAIS

Author:

Mačiūnas Darius1,Kauna Juozas1,Šešok Dmitrij1

Affiliation:

1. Vilnius Gediminas Technical University

Abstract

The purpose of the paper is to present technology applied for the global optimization of grillage-type pile foundations (further grillages). The goal of optimization is to obtain the optimal layout of pile placement in the grillages. The problem can be categorized as a topology optimization problem. The objective function is comprised of maximum reactive force emerging in a pile. The reactive force is minimized during the procedure of optimization during which variables enclose the positions of piles beneath connecting beams. Reactive forces in all piles are computed utilizing an original algorithm implemented in the Fortran programming language. The algorithm is integrated into the MatLab environment where the optimization procedure is executed utilizing a genetic algorithm. The article also describes technology enabling the integration of MatLab and Fortran environments. The authors seek to evaluate the quality of a solution to the problem analyzing experimental results obtained applying the proposed technology. Santrauka Straipsnyje pateikiama sijynų tipo pamatų (toliau sijynų) globalaus optimizavimo technologija. Optimizavimo tikslas – nustatyti optimalų polių išdėstymą sijynuose. Šis uždavinys priskiriamas topologijos optimizavimo uždavinių grupei. Tikslo funkciją sudaro maksimali poliuje kylanti atraminė reakcijos jėga, kuri minimizuojama optimizavimo procese. Šio uždavinio projektavimo kintamieji - polių padėtys po jungiančiosiomis sijyno sijomis. Tiesioginis reakcijų poliuose skaičiavimo uždavinys sprendžiamas originaliu algoritmu, sukurtu Fortran programavimo kalba. Šis algoritmas juodosios dėžės principu jungiamas prie MatLab aplinkos, kurioje genetiniu algoritmu sprendžiamas optimizavimo uždavinys. Straipsnyje taip pat aprašyta technologija, kuri leidžia sujungti Matlab ir Fortran aplinkas, t. y. iš Matlab aplinkos iškviesti Fortran paprogramį. Analizuodami eksperimentinius duomenis autoriai bando įvertinti gaunamų sprendinių kokybę.

Publisher

Vilnius Gediminas Technical University

Subject

General Medicine

Reference11 articles.

1. Optimization of grillage-type foundations;Belevičius R;Journal of Civil Engineering and Management,2000

2. Optimization of grillagetype foundations;Belevičius R,2001

3. MULTILEVEL OPTIMIZATION OF GRILLAGES

4. Optimal placement of piles in real grillages: experimental comparison of optimization algorithms;Belevičius R;Information Technology and Control,2011

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Genetic Algorithm Based Optimization and Design of Pile Foundation;Lecture Notes in Civil Engineering;2021-09-27

2. Application of genetic algorithm method for soil nailing parameters optimization;IOP Conference Series: Materials Science and Engineering;2020-05-19

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