期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 28, 期 4, 页码 286-295出版社
SPRINGER
DOI: 10.1007/s00158-004-0430-z
关键词
structural optimization; cost function; fabrication costs; welded frames
An objective function used in structural optimization should be formulated in such a way that the most economic solution can be found. However, the objective function is usually simplified to represent the weight, disregarding the fabrication and erection costs of the structure. The paper presents a very detailed objective function that considers the self-manufacturing costs of the whole structure. The cost function includes all essential fabrication and erection activities. It considers both manufacturing costs as well as material costs. It is formulated in an open manner, offering users the possibility to define their own parameters on the basis of a certain production line. The cost function is implemented into the optimization system for planar steel frames.
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