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Process method simulation method in virtual geographical environment

A technology of virtual geographic environment and simulation method, which is applied in the field of process engineering method simulation in virtual geographic environment

Active Publication Date: 2020-07-03
CHINA RAILWAY DESIGN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This simulation method focuses on the calculation of the simulation mathematical model, and simply presents the data at the visualization level, which can only reflect the process flow and guide the arrangement of the schedule plan, and does not actually simulate the specific methods used in the construction process

Method used

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  • Process method simulation method in virtual geographical environment
  • Process method simulation method in virtual geographical environment
  • Process method simulation method in virtual geographical environment

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] The method for simulating construction methods in a virtual geographical environment disclosed by the present invention is used to simulate the construction of bridges in railway lines, and the specific process is as follows.

[0037] 1. Generation of virtual geographic environment based on model decomposition and reassembly

[0038] 1.1 Component-level decomposition of 3D model of railway construction site

[0039] In order to simulate the construction process, the 3D model needs to be decomposed and reassembled at the component level, and then imported into the 3D platform software in the form of layers, and the position information of each component needs to be recalculated aft...

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Abstract

The invention discloses a process method simulation method in a virtual geographical environment, which comprises the following steps: firstly, carrying out component-level decomposition and reassembly on a three-dimensional model of a construction work point, and superposing topography and image data to provide a visual simulation environment for a construction process; construction method simulation is conducted on construction machinery, construction process simulation based on model component time sequence display is conducted on the whole construction process, then the construction methodsimulation is brought into the construction process simulation process, and finally simulation of the process method in the whole construction process is completed in the virtual geographical environment. According to the method, construction method simulation and process simulation are combined, and multi-scale expression of the construction process is achieved; meanwhile, the whole constructionprocess is presented in a three-dimensional simulation mode in the virtual geographical environment, and a visual analysis method and a scientific basis are truly and effectively provided for hiddendanger troubleshooting and decision management.

Description

technical field [0001] The invention relates to the field of construction simulation, in particular to a process simulation method in a virtual geographical environment. Background technique [0002] Construction simulation can simulate the real construction process in the virtual world, and discover problems that may arise in actual construction in advance through "try first and then build". Existing construction simulation methods are mainly based on modeling software such as 3ds Max, CATIA, and Bentley, and simulate the construction process by using 3D mesh models or fine BIM models for collision detection and virtual assembly. But this method only pays attention to the solution of specific problems in the construction process, ignoring the grasp of the relationship with the surrounding geographical environment of the construction. [0003] Virtual Geographic Environments (VGEs, Virtual Geographic Environments) use dynamic spatiotemporal data to describe real geographic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F30/13G06T17/10
CPCG06T17/10G06T2210/04
Inventor 赵文王华张恒宁新稳刘小龙范登科韩祖杰王娇黄漪
Owner CHINA RAILWAY DESIGN GRP CO LTD
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