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20154801605954
        Title:        Prereshaping method of propellant grain defects of solid rocket motor based on surface rendering
        Authors:        Li, Peng1 Email author crazy-haitian@163.com; Lu, Hong-Yi1; Zhu, Min1; Yu, Guang-Hui1; Xu, Ming2
        Author affiliation:        1 Naval Aeronautical and Astronautical University, Yantai, China
                2 The 91213th Unit of PLA, Yantai, China
        Source title:        Guti Huojian Jishu/Journal of Solid Rocket Technology
        Abbreviated source title:        Guti Houjian Jishu
        Volume:        38
        Issue:        5
        Issue date:        October 1, 2015
        Publication year:        2015
        Pages:        739-745
        Language:        Chinese
        ISSN:        10062793
        Document type:        Journal article (JA)
        Publisher:        Journal of Solid Rocket Technology
        Abstract:        Marching cubes algorithm of surface rendering of solid rocket motor ICT volume data was researched. 3D grid model composed by large number tri patches of solid rocket motor was obtained. According to the characteristics of 3D grid model of solid rocket motor, cutting tool simulation, collision detection, path definition, mesh reconstruction and extract method were investigated. Interactive cutting operation to 3D grid model of solid rocket motor was realized. The grain and debonding part of standard testing motor were reshaped. The triangle patches of the sections were reconstructed. The results of the reshaping show that the crack of the model can be reshaped by sphere cutting tool and the debonding part can be reshaped by cylinder cutting tool. The dimensions of the cutting tool can be adjusted to the dimensions of defects. Both of the sections after being reshaped were smooth. ©, 2015, Journal of Solid Rocket Technology. All right reserved.
        Main heading:        Three dimensional computer graphics
        Controlled terms:        Algorithms - Cutting tools - Debonding - Rocket engines - Rockets - Surface defects
        Uncontrolled terms:        Collision detection - Cutting operations - Marching Cubes algorithm - Mesh reconstruction - Pre reshaping method - Solid rocket motors - Standard testing - Surface rendering
        Classification code:        603.2 Machine Tool Accessories - 654.1 Rockets and Missiles - 654.2 Rocket Engines - 723.2 Data Processing and Image Processing - 951 Materials Science
        DOI:        10.7673/j.issn.1006-2793.2015.05.025
        Database:        Compendex
                Compilation and indexing terms, © 2016 Elsevier Inc.
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