Contact Finite Element with Surface Tension Adhesion

2012 ◽  
pp. 19-38
Author(s):  
Rudolf A. P. Hellmuth ◽  
Raul G. Lima
Keyword(s):  
Surface Tension ◽  
Finite Element

scholarly journals Surface tension problems solved with the particle finite element method using large time-steps

2016 ◽  
Vol 141 ◽  
pp. 90-104 ◽  
Author(s):  
Juan M. Gimenez ◽  
Norberto M. Nigro ◽  
Sergio R. Idelsohn ◽  
Eugenio Oñate
Keyword(s):  
Finite Element Method ◽  
Surface Tension ◽  
Finite Element ◽  
Large Time ◽  
Particle Finite Element Method ◽  
Element Method

Investigation of three-dimensional pattern collapse owing to surface tension using an imperfection finite element model

2008 ◽  
Vol 85 (2) ◽  
pp. 432-439 ◽  
Author(s):  
Sang-Hu Park ◽  
Kwang Ho Kim ◽  
Tae Woo Lim ◽  
Dong-Yol Yang ◽  
Kwang-Sup Lee
Keyword(s):  
Surface Tension ◽  
Finite Element ◽  
Finite Element Model ◽  
Three Dimensional ◽  
Element Model

Septal complexity in ammonoid cephalopods increased mechanical risk and limited depth

Paleobiology ◽  
1997 ◽  
Vol 23 (4) ◽  
pp. 470-481 ◽  
Author(s):  
Thomas L. Daniel ◽  
Brian S. Helmuth ◽  
W. Bruce Saunders ◽  
Peter D. Ward
Keyword(s):  
Surface Tension ◽  
Finite Element ◽  
Hydrostatic Pressure ◽  
Adaptive Response ◽  
Mechanical Stresses ◽  
Habitat Depth ◽  
Selective Pressures ◽  
Limited Depth ◽  
Buoyancy Control ◽  
Finite Element Stress

The evolution of septal complexity in fossil ammonoids has been widely regarded as an adaptive response to mechanical stresses imposed on the shell by hydrostatic pressure. Thus, septal (and hence sutural) complexity has been used as a proxy for depth: for a given amount of septal material greater complexity permitted greater habitat depth. We show that the ultimate septum is the weakest part of the chambered shell. Additionally, finite element stress analyses of a variety of septal geometries exposed to pressure stresses show that any departure from a hemispherical shape actually yields higher, not lower, stresses in the septal surface. Further analyses show, however, that an increase in complexity is consistent with selective pressures of predation and buoyancy control. Regardless of the mechanisms that drove the evolution of septal complexity, our results clearly reject the assertion that complexly sutured ammonoids were able to inhabit deeper water than did ammonoids with simpler septa. We suggest that while more complexly sutured ammonoids were limited to shallower habitats, the accompanying more complex septal topograhies enhanced buoyancy regulation (chamber emptying and refilling), through increased surface tension effects.

Analysis of elastic and surface tension effects in the lung alveolus using finite element methods

1986 ◽  
Vol 19 (7) ◽  
pp. 541-549 ◽  
Author(s):  
R. Kowe ◽  
R.C. Schroter ◽  
F.L. Matthews ◽  
D. Hitchings
Keyword(s):  
Surface Tension ◽  
Finite Element ◽  
Finite Element Methods ◽  
Lung Alveolus
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