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Geometrical Description and Discretization of Hydraulic Structures
Abstract Pre-processing towards the geometrical description and discretization is one of the prerequisites for the structural analysis using computational mechanics. Despite of tedious and time-consuming overheads, it must be handled carefully to obtain reasonable accuracy for the performance prediction of hydraulic structure. In this chapter, a robust identification algorithm of irregular block system is implemented with the help of the “directed body” concept and by taking into account of the existence of irregular ground surfaces (curved faults and dam surfaces as well) and grouting/drainage curtains. Use is made of the advancing front technique (AFT), a sophisticated element (triangular, quadrilateral, tetrahedral) discretization algorithm is further implemented for a structure domain identified previously or constructed by the technique with CAD/CAM software. These may be competently employed for the discrete approaches (e.g. BEA) and continuum approaches (e.g. FEM, CEM) elaborated in the hereinafter chapters towards hydraulic structures with complex discontinuity system and configuration.
Geometrical Description and Discretization of Hydraulic Structures
Abstract Pre-processing towards the geometrical description and discretization is one of the prerequisites for the structural analysis using computational mechanics. Despite of tedious and time-consuming overheads, it must be handled carefully to obtain reasonable accuracy for the performance prediction of hydraulic structure. In this chapter, a robust identification algorithm of irregular block system is implemented with the help of the “directed body” concept and by taking into account of the existence of irregular ground surfaces (curved faults and dam surfaces as well) and grouting/drainage curtains. Use is made of the advancing front technique (AFT), a sophisticated element (triangular, quadrilateral, tetrahedral) discretization algorithm is further implemented for a structure domain identified previously or constructed by the technique with CAD/CAM software. These may be competently employed for the discrete approaches (e.g. BEA) and continuum approaches (e.g. FEM, CEM) elaborated in the hereinafter chapters towards hydraulic structures with complex discontinuity system and configuration.
Geometrical Description and Discretization of Hydraulic Structures
Chen, Sheng-Hong (author)
2018-06-22
52 pages
Article/Chapter (Book)
Electronic Resource
English
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