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首页> 外文期刊>Acta biomaterialia >Biomechanical strategies underlying the durability of a wing-to-wing coupling mechanism
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Biomechanical strategies underlying the durability of a wing-to-wing coupling mechanism

机译：翼形耦合机构耐久性的生物力学策略

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Insects thrived soon after they acquired the ability to fly. Beyond the reach of the non-flying competitors, flying insects colonized a wide variety of habitats. Although flight is an efficient way to disperse and escape predators, it is energetically costly. Hence, various strategies are served to enhance flight efficiency as much as possible. A striking example is the development of wing-to-wing coupling mechanisms in many neopterous insects to minimize the aerodynamic interference of fore and hind wings. However, it remains unclear how the seemingly delicate coupling mechanisms can withstand excessive mechanical stresses encountered during flight. Here we studied the complicated coupling mechanism of drone honey bees, which consists of a set of tiny hooks and a thickened membrane. We found that the durability of the coupling mechanism results from two complementary strategies. First, the angles at which hooks and membrane are coupled and uncoupled may be adjusted, so that the resulting stresses are minimized. Second, the out-of-plane structure, soft base and pronounced tip reduce the stress developed in the hooks, yet maintaining the coupling strength. We anticipate our study, which presents the first numerical model of insect wing coupling mechanisms, to be a starting point for the development of more sophisticated models in the future. Such models are particularly useful for comparative analysis of the influence of different morphological features on the functionality of complex coupling mechanisms.
机译：在获得飞行能力之后，昆虫很快繁殖。超越非飞行竞争对手的范围，飞昆虫殖民地各种各样的栖息地。虽然飞行是分散和逃避捕食者的有效方法，但它具有昂贵的昂贵。因此，各种策略可以尽可能地提高飞行效率。一个引人注目的例子是许多新型昆虫的翼形耦合机制的发展，以最大限度地减少前翅膀和后翼的空气动力学干扰。然而，仍然尚不清楚看似精细的耦合机制如何承受飞行期间遇到过度的机械应力。在这里，我们研究了无人机蜂蜜蜜蜂的复杂耦合机制，由一组微小的钩子和增稠的膜组成。我们发现偶联机构的耐久性由两个互补策略产生。首先，可以调节钩子和膜的角度可以调节，从而最小化所得到的应力。二，平面外结构，软碱和明显的尖端减少钩子中显影的应力，但保持耦合强度。我们预计我们的研究，这提出了昆虫翼耦合机制的第一个数值模型，成为未来更复杂模型的开发的起点。这些模型对于对比较分析不同形态特征对复杂耦合机构的功能的对比分析。

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