具有任意边界形状和开口的RC自由曲面壳的结构形态发生——最优解的比较与斜解搜索方法的应用

Kodai Nagata, T. Honma
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引用次数: 0

摘要

本文将人工蜂群法(ABC)应用于具有任意边界形状的RC(钢筋混凝土)自由曲面壳的结构形态发生问题。“体面解”具有相对较高的评价解,保持了设计变量空间的多样性,包括全局最优解和局部最优解。在本文中,我们关注RC自由曲面壳结构考虑设计和功能的开口,并提出了考虑壳中存在开口引起的过度弯矩约束的结构形态形成过程。数值结果证明了同时考虑壳体形状、厚度和开度作为设计变量的结构形态形成过程的有效性。此外,研究表明,采用体面的解搜索方法提出的结构形态发生可以支持设计师在设计初始阶段的建筑形态与力学行为之间存在关系的想法。
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Structural Morphogenesis for RC Free-Form Surface Shell with Arbitrary Boundary Shape And Opening - Comparison of Optimal Solution and Application of Decent Solutions Search Method
In this paper, artificial bee colony (ABC) to obtain the decent solutions that the authors proposed is applied to the structural morphogenesis for RC (Reinforced-Concrete) free-form surface shell with arbitrary boundary shape. The 'decent solutions' have relatively high evaluation solutions that maintain the diversity of the design variable space, including the global optimal solution and local optimal solutions. In this paper, we focus on an opening of RC free form surface shell structures considering design and functionality, and the structural morphogenesis procedure that considers constraints of the excessive bending moment caused by the presence of an opening in the shell is proposed. Numerical results demonstrate the efficacy of a structural morphogenesis procedure that simultaneously considers shell shape, thickness, and opening as design variables. Furthermore, it is shown that proposed structural morphogenesis using decent solutions search method can support a designer's idea of architectural forms having a relationship between shape and mechanical behavior at the initial stage of design.
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来源期刊
CiteScore
1.40
自引率
0.00%
发文量
17
期刊介绍: The Association publishes an international journal, the Journal of the IASS, four times yearly, in print (ISSN 1028-365X) and on-line (ISSN 1996-9015). The months of publication are March, June, September and December. Occasional extra electronic-only issues are included in the on-line version. From this page you can access one or more issues -- a sample issue if you are not logged into the members-only portion of the site, or the current issue and several back issues if you are logged in as a member. For any issue that you can view, you can download articles as .pdf files.
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