An optimization design method for vibration reduction structure in the heel area of ​​the sole based on mechanical admittance

Through an optimized design method based on mechanical admission, numerical modeling and finite element analysis, the vibration vibration damping performance of multi-cell structure soles is evaluated and optimized, and the problems of high research costs and long cycles in the existing technology are solved, achieving high efficiency Vibration energy transfer evaluation and optimization design.

CN113657008BActive Publication Date: 2025-02-07HUAQIAO UNIVERSITY
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Patent Information

Application Number
CN202111143694.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-09-28
Publication Date
2025-02-07
Estimated Expiration
2041-09-28

AI Technical Summary

Technical Problem

In the prior art, the vibration vibration damping research of soles based on the test method is high and the cycle is long, making it difficult to effectively evaluate the vibration energy transmission of multicellular structure soles.

Method used

Using an optimized design method based on mechanical admittance, a finite element model of multicellular structure soles is established through numerical modeling and finite element analysis, and a steady-state dynamic analysis is performed, and an equivalent mechanical admittance distribution cloud diagram and bar chart are drawn using Python. , optimize the vibration damping structure of the heel area of ​​the sole.

Benefits of technology

Effective evaluation of the vibration response and transmission of multi-cell structure sole soles is optimized and designed to have a sole model with excellent vibration damping performance, reducing research costs and cycles.

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Abstract

The invention discloses a method for optimizing and designing a vibration-damping structure in a heel region of a sole based on mechanical admittance, comprising: step S1, establishing a sole model before optimization; step S2, taking the heel region of the sole as an optimization design region, filling different types of polycellular structures into the heel region of the sole, and obtaining different types of polycellular structure soles; step S3, constructing a finite element model of the polycellular structure sole in step S2; step S4, performing steady-state dynamics analysis on the polycellular structure sole, and obtaining its response to vibration; step S5, drawing a cloud diagram of the equivalent mechanical admittance distribution of the lower surface of the polycellular structure sole and an average value of the equivalent mechanical admittance of the lower surface of the polycellular structure by using Python programming language; and step S7, comparing the equivalent mechanical admittance distribution cloud diagrams of the different types of polycellular structure soles and drawing a bar diagram for comparing the average values ​​of the equivalent mechanical admittance of the lower surface of the different types of polycellular structure soles.
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Citation Information

Patent Citations

  • Method for designing sole model of sole heel area buffer structure

    CN111274702A

  • Spherical porous heel area filling structure sole and optimal design method thereof

    CN112084606A