A Discrete Element Simulation Method for Seepage Damage

A simulation method and discrete element technology, applied in the field of seepage damage simulation, which can solve the problems of large amount of calculation, long simulation calculation time, and low calculation efficiency.

Active Publication Date: 2021-05-11
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

[0002] In the current discrete element software, the fluid-solid coupling method is mostly used to simulate the particle movement during seepage damage. Although this method is close to the actual physical process of seepage damage, it has a large amount of calculation, low calculation efficiency, and a long time for simulation calculation. Therefore, it is necessary to find a reasonable simplification method to simplify the simulation in order to improve the efficiency of seepage damage simulation calculation

Method used

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  • A Discrete Element Simulation Method for Seepage Damage
  • A Discrete Element Simulation Method for Seepage Damage
  • A Discrete Element Simulation Method for Seepage Damage

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[0028] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.

[0029] In the common seepage failure simulation in geotechnical engineering, people mainly focus on the force of particles under the action of fluid, and then analyze the state and characteristics of possible seepage failure. Aiming at the fluid-solid coupling simulation of seepage damage, this example proposes a simplified idea, and analyzes and verifies it.

[0030] In the current discrete element simulation, the following governing equations are often used to characterize the force state of the particles coupled with the fluid ...

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Abstract

The present invention provides a discrete element simulation method for seepage damage, which includes: in the solid particle simulation without fluid, applying a force related to the hydraulic gradient of the flow field, that is, the gradient force, to replace the force of the fluid on the particle, In order to perform a simplified simulation of the seepage damage phenomenon. The invention can omit the fluid-solid coupling calculation process and improve the simulation calculation speed on the basis of realizing the fluid-solid coupling effect.

Description

technical field [0001] The invention belongs to the technical field of seepage damage simulation, and in particular relates to a discrete element simulation method for seepage damage. Background technique [0002] In the current discrete element software, the fluid-solid coupling method is mostly used to simulate the particle movement during seepage failure. Although this method is close to the actual physical process of seepage failure, it has a large amount of calculation, low calculation efficiency, and a long time for simulation calculation. Therefore, it is necessary to find a reasonable simplification method to simplify the simulation in order to improve the efficiency of seepage damage simulation calculation. Contents of the invention [0003] The purpose of the present invention is to provide a discrete element simulation method for seepage damage to solve the above technical problems. [0004] The invention provides a discrete element simulation method for seepag...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/25G06F30/28G06F113/08G06F119/14
Inventor 李维朝邓刚仲琦余弘婧尚静石宋建正梁向前严俊蔡红谢定松肖建章孙黎明吴帅峰
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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