UINTER subroutine to model Van der Waals interaction on macro scopic scale
The implementation is based on Coarse-Grained Contact Model proposed by Sauer and Li, 2007
Written on Intel® Fortran Version 19.0.5 (Abaqus 2023)
AUTHOR: Youngbin LIM
CONTACT: [email protected]
Abaqus result was compared with analytical Johnson-Kendall-Roberts (JKR) model for spherical indentation
[1] Abaqus Documentation, 2024, Dassault Systèmes Simulia Corp., Providence, RI, USA.
[2] Sauer RA, Li S, 2007, An atomic interaction-based continuum model for adhesive contact mechanics, Finite Elements in Analysis and Design 43, 384-396
[3] Sauer RA, Wriggers P, 2009, Formulation and analysis of a three dimensional finite element implementation for adhesive contact at the nanoscale, Computer Methods in Applied Mechanics and Engineering 198, 3871-3883.
[4] Gaffari R, Dong TX, Sauer RA, 2018, A new shell formulation for graphene structures based on existing ab-initio data, International Journal of Solids and Structures 135, 37-60.