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- 저자 : Kutylowski, (검색결과 3 건)
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Topology optimization of the structure using multimaterial inclusions
Kutylowski, Ryszard Techno-Press 2009 Structural Engineering and Mechanics, An Int'l Jou Vol.33 No.3
In the literature the problem of the topology optimization of the structure is usually solved for one, clearly described from the mechanical point of view material. Generally the topology optimization answers the question of the distribution of this mentioned above material within the design domain. Finally, material-voids distribution it is obtained. In this paper, for the structure mainly strengthened or sometimes weakened by the inclusions, the variation approach of the topology optimization problem is formulated. This multi material approach may be useful for the design process of various mechanical or civil engineering structures which need to be more "refined" and more "optimal" than they can be using previous topology optimization procedures of optimization one material structures.
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Application of topology optimization to bridge girder design
Kutylowski, Ryszard,Rasiak, Bartosz Techno-Press 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.51 No.1
This study deals with the design of bridge girder structures and consists of two parts. In the first part an optimal bridge girder topology is determined using a software based on structure compliance minimization with constraints imposed on the body mass, developed by the authors. In the second part, an original way in which the topology is mapped into a bridge girder structure is shown. Additionally, a method of converting the thickness of the bars obtained using the topology optimization procedure into cross sections is introduced. Moreover, stresses and material consumption for a girder design obtained through topology optimization and a typical truss girder are compared. Concluding, this paper shows that topology optimization is a good tool for obtaining optimal bridge girder designs.
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The use of topology optimization in the design of truss and frame bridge girders
Kutylowski, Ryszard,Rasiak, Bartosz Techno-Press 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.51 No.1
It is shown that topology optimization is a valuable tool for the design of bridge girders. This paper is a follow-up to (Kuty${\l}$owski and Rasiak 2014) and it includes an analysis of truss members' outer dimensions dictated by the standards. Moreover, a frame bridge girder mapped from a selected topology is compared with a typical frame girder on the basis of (Kuty${\l}$owski and Rasiak 2014). The analysis shows that topology optimization by means of the proposed algorithm yields a topology from which one can map a frame bridge girder requiring less material for its construction than the typical frame girder currently used in bridge construction.
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