Dam break flood demonstration and early warning method and platform based on BIM technology

A kind of flood and technical technology, which is applied in the field of earth-rock dam failure flood risk assessment, to reduce property losses and avoid casualties

Active Publication Date: 2020-02-04
XIAN UNIV OF TECH
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At present, there is no researcher who combines the theoretical calculation of d

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  • Dam break flood demonstration and early warning method and platform based on BIM technology
  • Dam break flood demonstration and early warning method and platform based on BIM technology
  • Dam break flood demonstration and early warning method and platform based on BIM technology

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Embodiment Construction

[0047] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048] The present invention provides a method for demonstration and early warning of dam break flood based on BIM technology, such as figure 1 As shown, based on BIM technology, software platforms such as 3ds max, Realflow, Rayfire, and GIS are integrated to build a final dam failure flood risk early warning platform. After the 3ds max software combines Rayfire and other plug-in platforms to complete the 3D real terrain model and the damage model of the dam building, the entire model is imported into the Realflow software for the actual data of the dam failure and the evolution of the flood to generate the final animation of the flood evolution. In the later stage, NUKE, Pr and other tools were used to beautify the animation demonstration process, making the demonstration process intuitive. Specifically follow the steps below:

[0049] Ste...

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Abstract

The invention discloses a dam break flood demonstration and early warning method based on a BIM technology. The method specifically comprises the steps that firstly, a three-dimensional entity terrainmodel and a building model are established; then dam break development process parameters and dam break flood parameters are calculated, and a three-dimensional simulation model of dam break is established; combining the obtained three-dimensional solid terrain model, the building model, the three-dimensional simulation model of dam burst and the particle fluid system are combined to realize realsimulation of the dam burst process and flood routing; and finally performing animation production and rendering are performed on the simulation process to obtain a three-dimensional real dam break flood routing animation. The invention further discloses a demonstration early warning platform based on the method. According to the method, the dam break process and the flood inundation range of thedam can be simulated, and resident evacuation and important building inundation conditions during dam break can be visually known through animations. Risk analysis and technical evaluation data are provided for water conservancy project construction, design and construction units for obtaining the flood inundation process after analogue simulation dam break.

Description

technical field [0001] The invention belongs to the technical field of earth-rock dam break flood risk assessment technology, and relates to a demonstration and early warning method for dam break flood based on BIM technology, and also relates to a platform based on the above demonstration and early warning method. Background technique [0002] BIM (Building Information Modeling) is based on the relevant information data of construction projects, simulates the real information of buildings through digital information simulation, and realizes project supervision, property management and equipment management through three-dimensional building models. , digital processing, engineering management and other functions. It has eight characteristics of information completeness, information relevance, information consistency, visualization, coordination, simulation, optimization and graphing. For the water conservancy industry, large water conservancy design institutes have begun to...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F30/13
Inventor 温立峰李炎隆
Owner XIAN UNIV OF TECH
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