A Finite Element Analysis Of Surface Breaking Cracks In Layered Hertzian Contact With Friction PDF Download
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Author | : Shrinivas Peri |
Publisher | : |
Total Pages | : 118 |
Release | : 1994 |
Genre | : Articular cartilage |
ISBN | : |
Download A Finite Element Analysis of Surface Breaking Cracks in Layered Hertzian Contact with Friction Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 46 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download Analysis of Surface Cracks at Hole by a 3-D Weight Function Method with Stresses from Finite Element Method Book in PDF, ePub and Kindle
Author | : Sylvie Pommier |
Publisher | : John Wiley & Sons |
Total Pages | : 271 |
Release | : 2013-03-04 |
Genre | : Technology & Engineering |
ISBN | : 1118622693 |
Download Extended Finite Element Method for Crack Propagation Book in PDF, ePub and Kindle
Novel techniques for modeling 3D cracks and their evolution in solids are presented. Cracks are modeled in terms of signed distance functions (level sets). Stress, strain and displacement field are determined using the extended finite elements method (X-FEM). Non-linear constitutive behavior for the crack tip region are developed within this framework to account for non-linear effect in crack propagation. Applications for static or dynamics case are provided.
Author | : William Wei-Qiang Liang |
Publisher | : |
Total Pages | : 196 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Finite Element Analysis of Mode I Crack Propagation in Layered Functionally Graded Beams Book in PDF, ePub and Kindle
Author | : J. C. Newman |
Publisher | : |
Total Pages | : 98 |
Release | : 1984 |
Genre | : |
ISBN | : |
Download Stress-intensity Factor Equations for Cracks in Three-dimensional Finite Bodies Subjected to Tension and Bending Loads Book in PDF, ePub and Kindle
Author | : Hasan Ozer |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : |
ISBN | : |
Download Development of Domain Integral and Generalized Finite Element Methods for Three Dimensional Analysis of Near-surface Cracking in Flexible Pavements Book in PDF, ePub and Kindle
Layered elastic theories and finite element method are among the most familiar and practiced mechanistic approaches. These approaches succeed to a certain extent in the analysis of classical bottom-up fatigue cracking of relatively thin flexible pavements, where tensile stresses and strains govern the behavior at the asphalt layer. However, elastic theories are incapable of predicting other pavement distresses, including near-surface cracking. Similarly, finite element method, which is equipped with fracture and continuum mechanics theories, also poses a significant challenge to the analysis of the near-surface cracking problem, where crack initiation and propagation planes are not easily predictable. Hence, the main objective of this study is to identify the effect of loading tire contact stresses on developing near-surface cracking potential. A numerical approach is chosen to analyze the problem, taking into account considering nonuniform tire-pavement contact stresses and multi-axial stress states in the proximity of tires. This study highlights the impact of novel computational methods, such as the Generalized Finite Element Method (GFEM), on the discovery and understanding of cracking mechanisms in pavements. GFEM allows for realistic modeling of complex phenomena that control fracture initiation and propagation. In this study, GFEM is adapted to analyze relatively thick flexible pavement structures to predict near-surface cracking. The three-dimensional (3-D) and highly multi-axial nature of the problem is successfully captured by this method, which is ideally designed for 3-D fracture problems for complex geometries and mixed loading conditions. This study proposes a high-order domain integral method for the computation of the crack front parameters such as energy release rate and stress intensity factors (SIFs). The method provides an approximation of the energy release rate function as a linear combination of Legendre polynomials. As a result, extracted functions are smoothly varying, which is crucial to obtain accurate crack propagation paths in 3-D for elastic or inelastic materials. Crack front directionality is captured by the proposed formulations and implementation using an energy release rate-based approach. The study also applies for the first time the domain integral techniques to pavement fracture problems utilizing the asphalt concrete viscoelastic characteristics. The GFEM, equipped with the tools developed in this study, is used as a computational platform to analyze near-surface cracking in relatively thick flexible pavement structures. Three-dimensional models of typical pavement structures are developed to analyze near-surface cracking and make predictions for potential critical locations for crack initiation and growth. Two potential scenarios become evident for crack growth in the vicinity of tires: Shear crack under compression and tensile crack. It is observed from the analysis that shear crack growth is the dominant mode of crack development due to loading in the proximity of tires, while tensile crack growth appears to develop within the pavement.
Author | : |
Publisher | : |
Total Pages | : 36 |
Release | : 1988 |
Genre | : |
ISBN | : |
Download A Re-evaluation of Finite-element Models and Stress-intensity Factors for Surface Cracks Emanating from Stress Concentrations Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 52 |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Analysis of Surface Cracks in Finite Plates Under Tension Or Bending Loads Book in PDF, ePub and Kindle
Author | : R. Ballarini |
Publisher | : |
Total Pages | : 168 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download Three-dimensional Analysis of Surface Crack-Hertzian Stress Field Interaction Book in PDF, ePub and Kindle
Author | : Byeong Soo Kim |
Publisher | : |
Total Pages | : 206 |
Release | : 1998 |
Genre | : Protective coatings |
ISBN | : |
Download Finite Element Analysis of Surface Cracks with Applications to Tribological Coatings and Polyethylene Wear Book in PDF, ePub and Kindle