Journal
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
Volume 119, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engappai.2022.105715
Keywords
Generative design; Deep learning; Evolutionary algorithms; Optimization problems
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Generative design techniques have been widely applied in various fields, particularly in engineering, to automate initial stages of designing structures, minimizing routine work. However, existing approaches are limited by problem specificity and lack flexibility in method selection. To address these issues, a general approach named GEFEST (Generative Evolution For Encoded STructure) was proposed, providing sampling, estimation, and optimization principles for adaptable problem solutions. Experimental studies confirmed the effectiveness of GEFEST in coastal engineering, microfluidics, thermodynamics, and oil field planning, achieving improvements of 12%, 9%, 8%, and 7% respectively over baseline and state-of-the-art solutions.
In recent years generative design techniques have become firmly established in numerous applied fields, especially in engineering. These methods are crucial for automating the initial stages of the engineering design of various structures, which reduces the amount of routine work. However, existing approaches are limited by the specificity of the problem under consideration. In addition, they do not provide the desired flexibility in choosing a method for a particular problem. To avoid these issues, we proposed a general approach to an arbitrary generative design problem and implemented a novel open-source framework called GEFEST (Generative Evolution For Encoded STructure) on its basis. This approach is based on three general principles: sampling, estimation, and optimization. This ensures the freedom of method adjustment for the solution of the particular generative design problem and therefore enables the construction of the most suitable one. A series of experimental studies was conducted to confirm the effectiveness of the GEFEST framework. It involved synthetic and real-world cases (coastal engineering, microfluidics, thermodynamics, and oil field planning). The flexible structure of GEFEST makes it possible to obtain results that surpass baseline and state-of-the-art solutions: 12% improvement in the coastal engineering problem; 9% in microfluidics; 8% in thermodynamics and 7% in oil field planning.
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