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Meshless processing method and device for thin-wall elastomer boundary, terminal equipment and computing medium

A processing method and elastic body technology, applied in calculation, electrical digital data processing, computer-aided design, etc., can solve problems such as huge amount of calculation, and achieve the effects of improving calculation efficiency, saving calculation cost, and reducing calculation amount

Active Publication Date: 2021-04-30
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, the use of SPH method to deal with thin-walled elastic body boundaries can only be realized by improving the particle resolution, which is too computationally intensive

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  • Meshless processing method and device for thin-wall elastomer boundary, terminal equipment and computing medium
  • Meshless processing method and device for thin-wall elastomer boundary, terminal equipment and computing medium
  • Meshless processing method and device for thin-wall elastomer boundary, terminal equipment and computing medium

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Embodiment Construction

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0040] A method for mesh-free processing of thin-walled elastic body boundaries, which specifically includes the following steps:

[0041] Step (1), establishing a numerical wave water tank, arranging fluid particles in the fluid area, and arranging elastomer particles in the thin-walled elastomer inside the tank. At this time, the size of the elastomer particles is the same as that of the fluid particles.

[0042] Step (2), press an elastomer particle i (called a zero-order elastomer particle) figure 1 split into 4 first-order elastomer particles in the manner shown, labelled i j (j=1, 2, 3, 4); where Δx is the initial spacing of the zero-order elastomer particles.

[0043] In order to ensure the conservation of mass, the initial value of the physical quantity of the new...

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Abstract

The invention provides a meshless processing method and device for a thin-wall elastomer boundary, terminal equipment and a computing medium. Zero-level elastomer particles are split into multi-level elastomer particles, and the acting force of fluid particles on the split elastomer particles is obtained; in the coupling process of the fluid particles and the elastomer particles, the zero-level elastomer particles serve as boundaries of the fluid particles all the time, so that the fluid particles are partitioned, the relation between the fluid particles in each partition and the zero-level elastomer particles is established, and movement of the thin-wall elastomer is simulated. The method can significantly improve the calculation efficiency and save the calculation cost.

Description

technical field [0001] The invention belongs to the technical field of meshless processing of elastic body boundaries, and relates to a meshless processing method, device, terminal equipment and computing medium for thin-walled elastic body boundaries. Background technique [0002] With the development and utilization of marine resources by human beings, the application of super-large floating structures in the ocean has attracted more and more attention. Due to the very large ratio of span (length, width) to height (thickness), such structures have small bending stiffness and large structural deformation in waves; in hydroelastic analysis, such structures are usually A thin-walled elastomer boundary is assumed. In recent years, with the continuous maturity of computational fluid dynamics numerical simulation technology and the continuous improvement of accuracy and reliability, numerical simulation has gradually become an effective method for analyzing the interaction betw...

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Application Information

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IPC IPC(8): G06F30/25G06F30/28G06F113/08G06F119/14
CPCG06F30/25G06F30/28G06F2113/08G06F2119/14
Inventor 刘勇陈永焜方辉刘晓王心玉李爱军
Owner OCEAN UNIV OF CHINA