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Contact type induced polarization method finite element numerical simulation method

An induced polarization method and finite element technology, which are applied in hydrological and environmental geophysical exploration and engineering fields, can solve the problems of poor theoretical applicability of the method, lack of effective numerical simulation methods for complex lossy media, etc., and achieve stable and reliable calculation results. Reasonable and easy to achieve effect

Active Publication Date: 2021-08-03
GUILIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0006] The complex lossy medium involved in the actual exploration of the existing contact induced polarization method lacks an effective numerical simulation method, resulting in poor theoretical applicability of the method

Method used

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  • Contact type induced polarization method finite element numerical simulation method
  • Contact type induced polarization method finite element numerical simulation method
  • Contact type induced polarization method finite element numerical simulation method

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Embodiment Construction

[0060] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0061] Aiming at the problems existing in the prior art, the present invention provides a contact induced polarization finite element numerical simulation method. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0062] Such as figure 1 As shown, the contact induced polarization method finite element numerical simulation method provided by the embodiment of the present invention has the following steps:

[0063] Step 1: Subdivision of lossy dielectric area with arbitrary shape:

[0064] refer to figure 2 , using the Cartesian rectangular coordinate system, taking th...

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Abstract

The invention belongs to the technical field of engineering, hydrology and environmental geophysical exploration, and discloses a contact type induced polarization method finite element numerical simulation method, which comprises the processes of any shape lossy medium region subdivision, finite element method numerical equation solution and contact type polarizability calculation. The method solves the problem of a traditional arbitrary-shape lossy medium contact type induced polarization method finite element numerical simulation calculation method, and is simple in algorithm structure, simple and convenient in implementation process, reasonable in design and stable and reliable in calculation result; the method can be widely applied to the numerical simulation calculation of the exploration polarizability of the lossy medium in any shape through the charging method in the fields of engineering, hydrology and environmental geophysical exploration, and provides method support for numerical simulation, inversion, explanation and the like of engineering, hydrology and environmental geophysical exploration based on a complex lossy medium power supply.

Description

technical field [0001] The invention belongs to the technical fields of engineering, hydrology and environmental geophysical exploration, and in particular relates to a finite element numerical simulation method of a contact induced polarization method. Background technique [0002] At present, the charging method is to use natural or artificially exposed good conductor outcrops and groundwater outcropping points to directly connect the power supply electrode (generally the positive pole), and at the same time place the other power supply electrode at a position that meets the "infinity" requirement. A measuring electrode is used to observe the change and distribution of the charging electric field, and infer the physical properties and spatial distribution of good conductors. Since the range of the charging medium is similar in shape to the range of the observed potential anomaly, the actual range of the charging medium can usually be inferred based on the observed potentia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06T17/05G06T17/20G06F111/10
CPCG06F30/23G06T17/05G06T17/20G06F2111/10
Inventor 李静和熊彬罗润林
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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