本文提出了一个用图形技术开发的任意表格生成器ZDRGA,它是我们研制的图形化报表生成环境ZDRG*(Zhe Da Repert form Generator)的一个功能模块,它利用图形接口界面的直观、明了的特点和构件重用技术,使用户能直接在屏幕前利用友善交互手...本文提出了一个用图形技术开发的任意表格生成器ZDRGA,它是我们研制的图形化报表生成环境ZDRG*(Zhe Da Repert form Generator)的一个功能模块,它利用图形接口界面的直观、明了的特点和构件重用技术,使用户能直接在屏幕前利用友善交互手段,在构件库的支撑下制作和管理任意表格,所见即所得。该生成器是用C编写在MSDOS下实现的。本文着重介绍ZDRGA的功能特点和实现技术。展开更多
An essential step for the realization of free-form surface structures is to create an efficient structural gird that satisfies not only the architectural aesthetics,but also the structural performance.Employing the ma...An essential step for the realization of free-form surface structures is to create an efficient structural gird that satisfies not only the architectural aesthetics,but also the structural performance.Employing the main stress trajectories as the representation of force flows on a free-form surface,an automatic grid generation approach is proposed for the architectural design.The algorithm automatically plots the main stress trajectories on a 3D free-form surface,and adopts a modified advancing front meshing technique to generate the structural grid.Based on the proposed algorithm,an automatic grid generator named "St-Surmesh" is developed for the practical architectural design of free-form surface structure.The surface geometry of one of the Sun Valleys in Expo Axis for the Expo Shanghai 2010 is selected as a numerical example for validating the proposed approach.Comparative studies are performed to demonstrate how different structural grids affect the design of a free-form surface structure.展开更多
文摘本文提出了一个用图形技术开发的任意表格生成器ZDRGA,它是我们研制的图形化报表生成环境ZDRG*(Zhe Da Repert form Generator)的一个功能模块,它利用图形接口界面的直观、明了的特点和构件重用技术,使用户能直接在屏幕前利用友善交互手段,在构件库的支撑下制作和管理任意表格,所见即所得。该生成器是用C编写在MSDOS下实现的。本文着重介绍ZDRGA的功能特点和实现技术。
基金Project(51378457)supported by the National Natural Science Foundation of China
文摘An essential step for the realization of free-form surface structures is to create an efficient structural gird that satisfies not only the architectural aesthetics,but also the structural performance.Employing the main stress trajectories as the representation of force flows on a free-form surface,an automatic grid generation approach is proposed for the architectural design.The algorithm automatically plots the main stress trajectories on a 3D free-form surface,and adopts a modified advancing front meshing technique to generate the structural grid.Based on the proposed algorithm,an automatic grid generator named "St-Surmesh" is developed for the practical architectural design of free-form surface structure.The surface geometry of one of the Sun Valleys in Expo Axis for the Expo Shanghai 2010 is selected as a numerical example for validating the proposed approach.Comparative studies are performed to demonstrate how different structural grids affect the design of a free-form surface structure.
