A variational approach with embedded roughness for adhesive contact problems. Issue 20 (15th October 2020)

• Record Type: Journal Article
• Authors: Paggi, Marco; Reinoso, José
• Is Part Of: Mechanics of advanced materials and structures. Volume 27:Issue 20(2020)
• Page Start: 1731
• Page End: 1747
• Publication Date: 2020-10-15
• Subjects: Adhesion -- contact mechanics -- finite element method -- waviness -- roughness; Composite materials -- Mechanical properties -- Periodicals; Composite construction -- Periodicals; 620.118
• DOI: 10.1080/15376494.2018.1525454
• Languages: English
• ISSNs: 1537-6494

Abstract

Abstract: A new variational formulation is proposed for the solution of contact problems for profiles of arbitrary shape indenting a deformable half-plane, with special focus on rough indenters. The method exploits the new idea of accounting for the shape of roughness as a correction to the normal gap function. The resulting interface finite element with eMbedded Profile for Joint Roughness (MPJR interface finite element) is derived and its implementation is comprehensively described. The method is applied to a range of contact problems very challenging for traditional methods, opening new perspectives for the solution of contact problems with roughness and adhesion.