Flow simulation and visualization in a three-dimensional shipping information system

被引：6

作者：

Zhang, Shanghong ^{[1
]}

Zhang, Tianxiang ^{[1
]}

Wu, Yu ^{[1
]}

Yi, Yujun ^{[2
]}

机构：

[1] North China Elect Power Univ, Renewable Energy Sch, Beijing 102206, Peoples R China

[2] Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat & Pollut Con, Beijing 100875, Peoples R China

来源：

ADVANCES IN ENGINEERING SOFTWARE | 2016年 / 96卷

基金：

中国国家自然科学基金;

关键词：

Flow visualization; Shipping information system; 3D geographical environment; Information integration; Real-time flow conditions; Navigational safety; INTEGRATION; WATERWAYS; CFD;

D O I：

10.1016/j.advengsoft.2016.01.004

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

We develop a three-dimensional (3D) shipping information system as a case study for the integration of a dynamic flow field and a 3D virtual geographical environment. A 2D hydrodynamic model is formulated to calculate the waterway depth and velocity distribution by using real-time hydrologic monitoring data. The parallel OpenMP computations take 4 min on a 20-core computer. The image-based flow visualization method is used to produce a 2D dynamic flow field on a curved surface, and the integration of dynamic flow fields with a 3D virtual geographical environment was achieved with the OpenSceneGraph rendering engine. Compared with a traditional 2D navigation map, the combination of a flow simulation and a visualization module can integrate flow velocity magnitude and distribution, and enhance ship navigation safety. This functionality will aid the display of integrated scientific information, and will have potential applications within 3D information systems in many domains. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：29 / 37

页数：9

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