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Updated: Jul 27, 2025

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生物模拟层次薄壁结构的设计灵感来自莲花叶及其机械性能分析分析

Lili Liu1, Longhai Li1, Ce Guo2

  • 1School of Mechanical and Electrical Engineering, Xuzhou University of Technology, Xuzhou 221018, China.

Materials (Basel, Switzerland)
|June 10, 2023
PubMed
概括

灵感来自莲花叶,新的仿生层次薄壁结构 (BHTSs) 显示了增强的机械性能. 这些轻质结构提供了更好的强度和能量吸收,为先进的材料设计铺平了道路.

关键词:
生物仿真层次的薄壁结构.能量吸收能力的能量吸收能力.有限元素模型的模型是有限的.机械性能 机械性能 机械性能

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相关概念视频

Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
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Unsymmetric Loading of Thin-Walled Members01:23

Unsymmetric Loading of Thin-Walled Members

Thin-walled members with non-symmetrical cross-sections are vital to engineering structures, offering material efficiency and structural integrity. However, unsymmetrical loading on these members leads to complex stress distributions, resulting in simultaneous bending and twisting can cause deformation or structural failure. The interaction between bending and twisting requires detailed analysis to ensure structural resilience.
The concept of the shear center is crucial in countering the...
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Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
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