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沉积物异质性影响挖掘者导航:一个建模研究

Xuejing Wang¹, Moey Rojas², Kelly Dorgan³

¹Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ, USA.

Journal of the Royal Society, Interface

|September 17, 2025

概括

虫通过创建断裂来导航复杂的沉积物. 挖掘可以控制裂的分支和微裂,提高它们设计息地的能力.

科学领域:

生态生态学生态生态学
地质地质地质地质地质地
生物物理学的生物物理.

背景情况:

挖掘虫会在沉积物中造成裂,影响物质释放和导航.
沉积物的异质性和断裂力学决定了裂的传播.
虫的转向行为可能依赖于裂分支而不是直接控制.

研究的目的:

模拟沉积物特性和虫行为如何影响挖掘过程中的裂纹分支和微裂纹.
研究洞穴灌中的液压断裂在修改微裂纹模式中的作用.

主要方法:

格子元素方法用于模拟异质材料中的断裂.
在受控环境中对虫挖洞的实验观测.

主要成果:

挖掘活动会在裂尖附近和周围沉积物中产生微裂.
断裂性变异性和虫行为显著影响裂纹分支和微裂纹.
来自洞穴灌的液压断裂可以减少断裂区域外的微裂纹,从而有可能提高洞穴效率.

结论:

虫挖掘涉及复杂的断裂机制,受沉积物质和虫行为的影响.
虫子可以通过利用裂纹分支和微裂纹来导航.
洞穴灌在动物洞穴挖掘者对沉积物息地的生态系统工程中发挥着重要作用.

关键词:

生物化是一种生物化.挖掘挖掘在挖掘裂的传播裂的传播不同质的沉积物不同质的沉积物格子元素方法的格子元素方法.

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