基于CATIA的心墙堆石坝三维可视化交互系统

目前大坝施工仿真建模中多是基于Geographic Information System(GIS)或3DS MAX软件构建的施工场景,其三维模型存在精度不高,不易修改,相似模型也不能重复利用等问题。本文将CATIA引入心墙堆石坝施工仿真建模中,即利用CATIA的三维建模技术构建了心墙堆石坝的三维施工场景。关键技术包括骨架设计技术、参数化技术、知识工程技术和设计过程模块化技术,并通过三维数字建模来模拟整个建筑物的信息。以某心墙堆石坝为例,建立了基于CATIA的心墙堆石坝施工仿真系统平台,实现了基于Brower/Server(B/S)的堆石坝施工场景的远程交互,可为堆石坝施工管理提供理论与技术支持。

CATIA-based 3-D visualization interactive system for rock-fill dam with core-wall

As most of the simulative modelings for the dam construction at present are the construction scenes established on the basis of Geographic Information System（GIS） or 3DS MAX software； of which the 3-D models have the problems of lower precision，difficult to be modified，the similar model cannot be reused，etc. CATIA is introduced herein into the simulative modeling for the construction of rock-fill dam with core-wall，i.e. the 3-D scenes of the construction of the dam is established with CATIA 3-D modeling technique. The key techniques include skeleton design，parameterization，knowledge engineering and modularization of design process，and then simulate the information of the whole structure through 3-D digital modeling. By taking a rock-fill dam with core wall as a case，a CATIA-based simulation system platform for the construction of the dam is established and the Brower/Server（B/S）-based remote interaction of the construction scenes of the dam is realized，which can provide theoretical and technical support for the construction management of rock-fill dam.