Numerical modeling of contact problems with the finite element method utilizing a B-Spline surface for contact surface smoothing
| Autor: | Alex Alves Bandeira, Daniel Barbedo Vasconcelos Santos |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Friction
Discretization Computer science Surface smoothing Aerospace Engineering Ocean Engineering 02 engineering and technology 01 natural sciences Contact force B-Spline 0203 mechanical engineering General Materials Science 0101 mathematics Civil and Structural Engineering Continuum mechanics Augmented Lagrangian method Structural mechanics Mechanical Engineering Mathematical analysis Finite element method 010101 applied mathematics Contact mechanics 020303 mechanical engineering & transports Mechanics of Materials Automotive Engineering Hexahedron |
| Zdroj: | Latin American Journal of Solids and Structures, Volume: 15, Issue: 8, Article number: e77, Published: 23 JUL 2018 Latin American Journal of Solids and Structures v.15 n.8 2018 Latin American journal of solids and structures Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM) instacron:ABCM |
| ISSN: | 1679-7825 1679-7817 |
| DOI: | 10.1590/1679-78254891 |
| Popis: | THE BASIC AIM OF THIS WORK IS TO PRESENT A METHOD TO TREAT STRUCTURAL MECHANICS PROBLEMS DEALING WITH TRIDIMENSIONAL CONTACT AND LARGE ELASTIC DEFORMATIONS. THE FORMULATION PRESENTED IN THIS ARTICLE OFFERS A B-SPLINE BASED DISCRETIZATION FOR THE CONTACT SURFACE, WHICH SOLVES THE CONTINUITY PROBLEMS PRESENTED BY THE CLASSIC LAGRANGIAN CONTACT ELEMENT FORMULATION. A B-SPLINE SURFACE IS UTILIZED TO DISCRETIZE THE CONTACT SURFACE, AND THE B-SPLINE BASIS FUNCTIONS ARE USED TO DISTRIBUTE THE CONTACT FORCES BETWEEN THE CONTACT SURFACES NODES. THE FINITE ELEMENT UTILIZED IS AN 8-NODE HEXAHEDRON, AND THE FORMULATION IS CONTINUUM MECHANICS BASED, WRITTEN IN THE CURRENT CONFIGURATION, UTILIZING A NEO-HOOKEAN MATERIAL MODEL. THE CONTACT RESTRICTIONS ARE ENFORCED BY THE AUGMENTED LAGRANGIAN METHOD. KEY-WORDS: CONTACT MECHANICS, B-SPLINE, SURFACE SMOOTHING, AUGMENTED LAGRANGIAN METHOD, FRICTION. |
| Databáze: | OpenAIRE |
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