Development of new structure design tools for buildings

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In this study, new structure disegn tools using the topology optimization method were developed for the design of buildings. In the topology optimization tool for frame structure, the ground structure approach was used, and in this tool, semi-righd connections can be treated. In the tool for 2 dimensional structure and shell structure, the homogenization design method was used. In the tool for 3 dimensional structure, the density approach and voxel finite element method were used. In these tools, clear topology can be obtained, because an effective filtering method was applied. In addition, the graphic user interface was developed in order to use for the education. Also, the Optimality criteria method and CONLIN method were used in tools in order to improve the calculation cost. These software will be opened to public as a book with CD from MARUZEN.