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Author : Mariusz Zaczek
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (512 download)
Download or read book Adaptive Cohesive Volumetric Finite Element Method for Dynamic Fracture Simulations written by Mariusz Zaczek and published by . This book was released on 2001 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Potential-Based Fracture Mechanics Using Cohesive Zone and Virtual Internal Bond Modeling written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sylvie Pommier
Publisher : John Wiley & Sons
ISBN 13 : 1118622693
Total Pages : 271 pages
Book Rating : 4.1/5 (186 download)
Download or read book Extended Finite Element Method for Crack Propagation written by Sylvie Pommier and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Marek Werner
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Cohesive Elements Or Phase-Field Fracture written by Marek Werner and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical techniques to simulate crack propagation can roughly be divided into sharp and diffuse interface methods. Two prominent approaches to quantitative dynamic fracture analysis are compared here. Specifically, an adaptive cohesive element technique and a phase-field fracture approach are applied to simulate Hopkinson bar experiments on the fracture toughness of high-performance concrete. The experimental results are validated numerically in the sense of an inverse analysis. Both methods allow predictive numerical simulations of crack growth with an a priori unknown path and determine the related material parameter in a quantitative manner. Reliability, precision, and numerical costs differ however.
Author : Jafar Rouzegar
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659697302
Total Pages : 88 pages
Book Rating : 4.6/5 (973 download)
Download or read book Extended Finite Element Method written by Jafar Rouzegar and published by LAP Lambert Academic Publishing. This book was released on 2015-04-17 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the extended finite element method (XFEM), a standard displacement based finite element approximation is enriched by additional (special) functions using the framework of partition of unity. In the XFEM, the finite element mesh need not conform to the internal boundaries (cracks, material interfaces, voids, etc.), and hence a single mesh suffices for modeling as well as capturing the evolution of material interfaces and cracks. This book mainly focuses on the application of XFEM in modeling dynamic fracture in thin plates and shells. New crack tip enrichment functions are extracted from analytical solutions and several enrichment schemes are introduced for various elements. As an application, the problem of cracked thin tubes under gaseous detonation loading is simulated by the introduced Dynamic-XFEM formulation and the obtained response of the tube to moving detonation loading is compared with ANSYS-LS DYNA results.
Author : Jobie M. Gerken
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (414 download)
Download or read book An Implicit Finite Element Method for Discrete Dynamic Fracture written by Jobie M. Gerken and published by . This book was released on 1998 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (958 download)
Download or read book Modeling Dynamic Fracture with Peridynamics Finite Element Modeling and Contact written by and published by . This book was released on 2011 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alaskar Alizada
Publisher :
ISBN 13 : 9783844015034
Total Pages : 171 pages
Book Rating : 4.0/5 (15 download)
Download or read book The EXtended Finite Element Method (XFEM) with Adaptive Mesh Refinement for Fracture Mechanics written by Alaskar Alizada and published by . This book was released on 2012-12-14 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kwong-Wing Chan
Publisher :
ISBN 13 :
Total Pages : 169 pages
Book Rating : 4.:/5 (11 download)
Download or read book The Study of Dynamic Fracture Problems Using Finite Element Method written by Kwong-Wing Chan and published by . This book was released on 1984 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amir R. Khoei
Publisher : John Wiley & Sons
ISBN 13 : 1118869699
Total Pages : 584 pages
Book Rating : 4.1/5 (188 download)
Download or read book Extended Finite Element Method written by Amir R. Khoei and published by John Wiley & Sons. This book was released on 2014-12-16 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces the theory and applications of the extended finite element method (XFEM) in the linear and nonlinear problems of continua, structures and geomechanics Explores the concept of partition of unity, various enrichment functions, and fundamentals of XFEM formulation. Covers numerous applications of XFEM including fracture mechanics, large deformation, plasticity, multiphase flow, hydraulic fracturing and contact problems Accompanied by a website hosting source code and examples
Author : Chongmin Song
Publisher : John Wiley & Sons
ISBN 13 : 1119388457
Total Pages : 775 pages
Book Rating : 4.1/5 (193 download)
Download or read book The Scaled Boundary Finite Element Method written by Chongmin Song and published by John Wiley & Sons. This book was released on 2018-06-19 with total page 775 pages. Available in PDF, EPUB and Kindle. Book excerpt: An informative look at the theory, computer implementation, and application of the scaled boundary finite element method This reliable resource, complete with MATLAB, is an easy-to-understand introduction to the fundamental principles of the scaled boundary finite element method. It establishes the theory of the scaled boundary finite element method systematically as a general numerical procedure, providing the reader with a sound knowledge to expand the applications of this method to a broader scope. The book also presents the applications of the scaled boundary finite element to illustrate its salient features and potentials. The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation covers the static and dynamic stress analysis of solids in two and three dimensions. The relevant concepts, theory and modelling issues of the scaled boundary finite element method are discussed and the unique features of the method are highlighted. The applications in computational fracture mechanics are detailed with numerical examples. A unified mesh generation procedure based on quadtree/octree algorithm is described. It also presents examples of fully automatic stress analysis of geometric models in NURBS, STL and digital images. Written in lucid and easy to understand language by the co-inventor of the scaled boundary element method Provides MATLAB as an integral part of the book with the code cross-referenced in the text and the use of the code illustrated by examples Presents new developments in the scaled boundary finite element method with illustrative examples so that readers can appreciate the significant features and potentials of this novel method—especially in emerging technologies such as 3D printing, virtual reality, and digital image-based analysis The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation is an ideal book for researchers, software developers, numerical analysts, and postgraduate students in many fields of engineering and science.
Author :
Publisher :
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4.:/5 (684 download)
Download or read book An Implicit Finite Element Method for Discrete Dynamic Fracture written by and published by . This book was released on 1999 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method for modeling the discrete fracture of two-dimensional linear elastic structures with a distribution of small cracks subject to dynamic conditions has been developed. The foundation for this numerical model is a plane element formulated from the Hu-Washizu energy principle. The distribution of small cracks is incorporated into the numerical model by including a small crack at each element interface. The additional strain field in an element adjacent to this crack is treated as an externally applied strain field in the Hu-Washizu energy principle. The resulting stiffness matrix is that of a standard plane element. The resulting load vector is that of a standard plane element with an additional term that includes the externally applied strain field. Except for the crack strain field equations, all terms of the stiffness matrix and load vector are integrated symbolically in Maple V so that fully integrated plane stress and plane strain elements are constructed. The crack strain field equations are integrated numerically. The modeling of dynamic behavior of simple structures was demonstrated within acceptable engineering accuracy. In the model of axial and transverse vibration of a beam and the breathing mode of vibration of a thin ring, the dynamic characteristics were shown to be within expected limits. The models dominated by tensile forces (the axially loaded beam and the pressurized ring) were within 0.5% of the theoretical values while the shear dominated model (the transversely loaded beam) is within 5% of the calculated theoretical value. The constant strain field of the tensile problems can be modeled exactly by the numerical model. The numerical results should therefore, be exact. The discrepancies can be accounted for by errors in the calculation of frequency from the numerical results. The linear strain field of the transverse model must be modeled by a series of constant strain elements. This is an approximation to the true strain field, so some error is expected.
Author : Rahul Prakash Dhanawade
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (842 download)
Download or read book Devlopment of a Cohesive Finite Element Method for Fracture Simulation written by Rahul Prakash Dhanawade and published by . This book was released on 2012 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. R. Luxmoore
Publisher :
ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.:/5 (319 download)
Download or read book Numerical Methods in Fracture Mechanics written by A. R. Luxmoore and published by . This book was released on 1978 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kwong-Wing Chan
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.:/5 (922 download)
Download or read book The Study of Dynamic Fracture Problems Using Finite Element Method written by Kwong-Wing Chan and published by . This book was released on 1982 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yiping Xie
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (376 download)
Download or read book Application of the Adaptive Finite Element Method in Fracture Mechanics written by Yiping Xie and published by . This book was released on 1994 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Meinhard Kuna
Publisher : Springer Science & Business Media
ISBN 13 : 9400766807
Total Pages : 464 pages
Book Rating : 4.4/5 (7 download)
Download or read book Finite Elements in Fracture Mechanics written by Meinhard Kuna and published by Springer Science & Business Media. This book was released on 2013-07-19 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture mechanics has established itself as an important discipline of growing interest to those working to assess the safety, reliability and service life of engineering structures and materials. In order to calculate the loading situation at cracks and defects, nowadays numerical techniques like finite element method (FEM) have become indispensable tools for a broad range of applications. The present monograph provides an introduction to the essential concepts of fracture mechanics, its main goal being to procure the special techniques for FEM analysis of crack problems, which have to date only been mastered by experts. All kinds of static, dynamic and fatigue fracture problems are treated in two- and three-dimensional elastic and plastic structural components. The usage of the various solution techniques is demonstrated by means of sample problems selected from practical engineering case studies. The primary target group includes graduate students, researchers in academia and engineers in practice.
