Mechanics of Load–Drag–Unload Contact Cleaning of Gecko-Inspired Fibrillar Adhesives

Langmuir ◽  
2014 ◽  
Vol 30 (40) ◽  
pp. 11913-11918 ◽  
Author(s):  
Uyiosa A. Abusomwan ◽  
Metin Sitti
Keyword(s):  
Author(s):  
Yongding Tian ◽  
Qianhui Zhang ◽  
Dexu Cai ◽  
Chao Chen ◽  
Jian Zhang ◽  
...  

2015 ◽  
Vol 5 (1) ◽  
pp. 20140051 ◽  
Author(s):  
Lucas Brely ◽  
Federico Bosia ◽  
Nicola M. Pugno

Adhesion of spider web anchorages has been studied in recent years, including the specific functionalities achieved through different architectures. To better understand the delamination mechanisms of these and other biological or artificial fibrillar adhesives, and how their adhesion can be optimized, we develop a novel numerical model to simulate the multiple peeling of structures with arbitrary branching and adhesion angles, including complex architectures. The numerical model is based on a recently developed multiple peeling theory, which extends the energy-based single peeling theory of Kendall, and can be applied to arbitrarily complex structures. In particular, we numerically show that a multiple peeling problem can be treated as the superposition of single peeling configurations even for complex structures. Finally, we apply the developed numerical approach to study spider web anchorages, showing how their function is achieved through optimal geometrical configurations.


2009 ◽  
Vol 1 (10) ◽  
pp. 2277-2287 ◽  
Author(s):  
Metin Sitti ◽  
Brian Cusick ◽  
Burak Aksak ◽  
Alper Nese ◽  
Hyung-il Lee ◽  
...  
Keyword(s):  

2010 ◽  
pp. 285-294 ◽  
Author(s):  
K. H. Aaron Lau ◽  
Phillip B. Messersmith
Keyword(s):  

2009 ◽  
Vol 1 (4) ◽  
pp. 849-855 ◽  
Author(s):  
Michael P. Murphy ◽  
Seok Kim ◽  
Metin Sitti
Keyword(s):  

2015 ◽  
Vol 10 (6) ◽  
pp. 066002 ◽  
Author(s):  
Christina T Bauer ◽  
Elmar Kroner ◽  
Norman A Fleck ◽  
Eduard Arzt

Soft Matter ◽  
2009 ◽  
Vol 5 (19) ◽  
pp. 3689 ◽  
Author(s):  
Seok Kim ◽  
Metin Sitti ◽  
Tao Xie ◽  
Xingcheng Xiao
Keyword(s):  

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