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Thermal fluid-solid coupling transient response calculation method and device for porous elastic medium

An elastic medium and transient response technology, applied in calculation, computer-aided design, complex mathematical operations, etc., can solve problems such as calculation of transient response

Active Publication Date: 2021-01-08
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

However, there is currently no efficient method for calculating the transient response of layered saturated poroelastic media under thermo-fluid-structure interaction

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  • Thermal fluid-solid coupling transient response calculation method and device for porous elastic medium
  • Thermal fluid-solid coupling transient response calculation method and device for porous elastic medium
  • Thermal fluid-solid coupling transient response calculation method and device for porous elastic medium

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[0089] The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only parts related to the present disclosure are shown in the drawings.

[0090] It should be noted that, in the case of no conflict, the implementation modes and the features in the implementation modes in the present disclosure can be combined with each other. It should be noted that the numbering of the steps in the text is only for the convenience of explanation of the specific embodiments, and does not serve as a function of limiting the execution order of the steps. In addition, the method provided in this embodiment may be executed by related electronic devices such as servers and computers, and the following descriptions will be made ...

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Abstract

The invention relates to the field of transient response analysis of porous elastic media, in particular to a thermal fluid-solid coupling transient response calculation method and device for a porouselastic medium. The method comprises the following steps: acquiring relevant parameters of the porous elastic medium; establishing a thermal fluid-solid coupling form of the porous elastic medium according to the relevant parameters of the porous elastic medium; constructing a form of a single-layer porous elastic medium solution on a Laplace domain or a form of a solution on any layer of a multi-layer porous elastic medium based on an eigenvalue theory and a Stroh-like method; obtaining a general solution of each physical quantity Laplace domain of the porous elastic medium based on a propagation matrix method, and determining a special solution of each physical quantity Laplace domain according to boundary conditions; and obtaining the thermal fluid-solid coupling transient response ofthe porous elastic medium based on a Laplace numerical inverse transformation method. The thermal-fluid-solid coupling transient response of the elastic medium is solved by adopting an analytical method, so that the calculation amount can be reduced, and the calculation speed can be increased.

Description

technical field [0001] The present disclosure relates to the field of transient response analysis of porous elastic media, in particular to a calculation method and device for thermal-fluid-solid coupling transient response of porous elastic media. Background technique [0002] In engineering practice, the seepage effect of porous media cannot be ignored, and the influence of variable temperature on engineering stability has also been widely valued. Therefore, when calculating the transient response of porous media in engineering, the heat-fluid-solid coupling effect must be considered. However, there is no effective method to calculate the transient response of layered saturated poroelastic media under thermo-fluid-structure interaction. Contents of the invention [0003] Aiming at the above-mentioned problems existing in the prior art in this field, the present disclosure provides a calculation method and device for thermal-fluid-solid coupling transient response of a p...

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Application Information

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IPC IPC(8): G06F30/28G06F17/12G06F119/08G06F113/08
CPCG06F30/28G06F17/12G06F2119/08G06F2113/08
Inventor 杨连枝何蕃民朱维耀宋智勇樊冰建
Owner UNIV OF SCI & TECH BEIJING
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