Modeling of the Burrowing Mechanism by Razor Clam: Role of Penetration Kinematics

Sichuan Huang, Junliang Tao

Research output: Contribution to journalConference article

Abstract

It has been reported that the Atlantic razor clam can burrow with an extremely high efficiency due to its well-evolved dynamic penetration kinematics. In general, the periodic penetration process is essentially an issue involving dynamic interaction between a shape-changing penetrator and the soil particles. In this paper, the three-dimensional discrete element method (DEM) modeling method was used to preliminarily study the influence zone created by body expansion. The real penetrator was simplified as a two-body structure: a conical foot and a cylindrical body with a time-varying radius. To mathematically visualize the influence zone at different expansion conditions, distributions of average normal contact force and particle displacement across the sample are investigated. Results show that the expansion ratio and expanding rate have significant impact on the influence zone. Furthermore, a low lateral resisting force and large influence zone can be achieved by using a low expansion ratio and expansion coefficient.

Original languageEnglish (US)
Pages (from-to)547-556
Number of pages10
JournalGeotechnical Special Publication
Volume2018-March
Issue numberGSP 295
DOIs
StatePublished - Jan 1 2018
Externally publishedYes
Event3rd International Foundation Congress and Equipment Expo 2018: Advances in Geomaterial Modeling and Site Characterization, IFCEE 2018 - Orlando, United States
Duration: Mar 5 2018Mar 10 2018

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burrowing
Kinematics
penetration
kinematics
modeling
discrete element method
burrow
Finite difference method
Soils
soil
particle

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

Cite this

Modeling of the Burrowing Mechanism by Razor Clam : Role of Penetration Kinematics. / Huang, Sichuan; Tao, Junliang.

In: Geotechnical Special Publication, Vol. 2018-March, No. GSP 295, 01.01.2018, p. 547-556.

Research output: Contribution to journalConference article

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