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A Numerical Simulation Method and System for Erosion Effect of High Speed Landslide-debris Flow Movement

A numerical simulation and debris flow technology, applied in the field of computer simulation, can solve the problems of small audience, large calculation time, poor simulation effect of large deformation, etc., to achieve simple pre- and post-processing steps, simple calculation time, and avoid mining information. Effect

Inactive Publication Date: 2019-02-12
SICHUAN UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Finite element software is not effective in simulating large deformation of landslides, and it is often difficult to accurately describe the erosion process of debris flow movement. Discrete element software is based on independent particle units for simulation, which can better reflect the erosion effect of landslides. The operation process of streaming software itself is complex, the requirements for the pre-processing process are very high, the calculation is time-consuming, and the audience is small

Method used

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  • A Numerical Simulation Method and System for Erosion Effect of High Speed Landslide-debris Flow Movement
  • A Numerical Simulation Method and System for Erosion Effect of High Speed Landslide-debris Flow Movement
  • A Numerical Simulation Method and System for Erosion Effect of High Speed Landslide-debris Flow Movement

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Embodiment Construction

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0068] like figure 1 Shown, is the numerical simulation method of a kind of high-speed landslide-debris flow movement erosion effect disclosed by the present application, and described method comprises the following steps:

[0069] S101. Construct an original model according to the point cloud data of the area to be simulated;

[0070] When it is necessary to simulate the erosion effect of high-speed landslide-debris flow movement, it is first necessary to construct the original ca...

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Abstract

The present application discloses a numerical simulation method and system for an erosion effect of high speed landslide-debris flow movement. The simulation method comprises the following steps: constructing an original model according to point cloud data of a region to be simulated; creating the simulation task of the area to be simulated in the simulation software; The turbulence model and sediment erosion model are used to simulate the Constitutive Model of Erosion Effect in high-speed landslide-debris Flow Process; Importing the model file of the original model into the simulation task; The simulation parameters of turbulence model and sediment erosion model are set in the simulation task. A result file is generated based on the simulation parameters. The present application utilizesa computational fluid dynamics method to study landslides-debris flow, numerical simulation can be quickly, effectively and simply performed on the high speed landslide-erosion effect of debris flow reflects, the main characteristics of the erosion effect of debris flow are reflected. Basis is provided for erosion effect of landslide-detrital flows on the base material of slope.

Description

technical field [0001] The present application relates to the field of computer simulation technology, in particular to a numerical simulation method and system for the erosion effect of high-speed landslide-debris flow movement. Background technique [0002] In recent years, with the rapid development of computer technology, the idea of ​​using computers to simulate landslide movement has emerged in an endless stream. The research on the erosion effect of landslide debris flow has always been at the forefront of landslide disasters. The traditional simulation methods include finite element method and discrete element method. has certain limitations. Finite element software is not effective in simulating large deformation of landslides, and it is often difficult to accurately describe the erosion process of debris flow movement. Discrete element software is based on independent particle units for simulation, which can better reflect the erosion effect of landslides. The ope...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 胡宇翔周家文
Owner SICHUAN UNIV
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