A Critical Review on Classification and Terminology of Scissor Structures
When the existing literature on the research of scissor structures is thoroughly investigated, it is seen that different researchers use different terminologies and classifications especially for the definition of the primary units and the motion type. Some of the studies define the whole geometry based on the geometric properties of the primary scissor units and the unit lines while some other studies define it according to the loops. All these studies use different names for similar elements. This article aims to review the literature on the classification and terminology of scissor structures and represent the state of art on the studies. Tables are represented showing all approaches in the literature. In addition, the article criticizes the missing points of each terminology and definition, and proposes some new terminology. In order to arrive at this aim, different definitions of the primary scissor units and motion types used in key studies in the literature are investigated thoroughly. With several examples, it is demonstrated that naming the scissor units according to the resulting motion type might be misleading and it is better to specify the motion type for the whole structure. A classification for transformation of planar curves is presented.
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Document Type: Research Article
Publication date: March 1, 2019
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- The Journal of the IASS is the peer-reviewed, quarterly journal of the International Association for Shell and Spatial Structures. The journal mainly presents technical papers and project reports submitted by members or nonmembers of the IASS. Typically, one issue per year focuses on a special topic arranged by guest editors. Additional articles annually include the four Hangai Prize winning papers and Tsuboi Proceedings Award contribution from the IASS annual symposium. Finally, additional content includes announcements of events and memorial statements of distinguished IASS members.
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