虚拟钻孔技术在水利水电三维地质建模中的应用

The application of virtual drilling technology in the three-dimensional geological modeling of water resources and hydropower

为修正三维地质建模的结果与实际分布情况的差别,在CATIA软件基础上开发的水利水电三维地质建模平台上引进虚拟钻孔技术修正三维地质模型。系统分析三维地质模型误差的主要来源,包括建模初始资料与地质建模方法;介绍虚拟钻孔技术在水利水电三维地质模型中的适用范围,并提出虚拟钻孔技术修正三维地质模型的方法;以某大型水利工程为例,结合虚拟钻孔技术在三维地质建模平台上的建模流程,系统阐述其在三维地质建模平台上修正地质模型的过程,计算结果达到了修正的目的。研究结果表明:虚拟钻孔技术的引进能一定程度提高三维地质模型的精度,该技术可以为其它的三维建模与可视化研究所借鉴。

The virtual drilling technology was introduced to amend the three-dimensional geological model of water resources and hydropower based on CATIA software for the purpose of narrowing the gap between simulation results and the reality. The main sources of error in the three-dimensional geological model were systematically analyzed,including the initial data of modeling and the geological modeling method. The application scope of the virtual drilling technology was introduced in the three-dimensional geological modeling of water resources and hydropower and the method of using virtual drilling technology to amend three-dimensional geological model was proposed. An example of a large-scale water conservancy project was given to illustrate the amending process in detail by combining with the modeling process of using virtual drilling technology in three-dimensional geological modeling platform. A good testing expectation was also reached in this example. The results show that the adoption of virtual drilling technology can greatly improve the accuracy of three-dimensional geological model and has some reference for other study of three-dimensional modeling and visualization.