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RISCohesive Zone Models: A Critical Review of Traction-Separation Relationships Across Fracture Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the fundamental aspects in cohesive zone modeling is the definition of the traction-separation relationship across fracture surfaces, which approximates the nonlinear fracture process. ...
Consistent Formulations of the Interaction Integral Method for Fracture of Functionally Graded Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The interaction integral method provides a unified framework for evaluating fracture parameters (e.g., stress intensity factors and T stress) in functionally graded materials. The method is based ...
The Elastic-Viscoelastic Correspondence Principle for Functionally Graded Materials, Revisited
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Paulino and Jin [Paulino, G. H., and Jin, Z.-H., 2001, “Correspondence Principle in Viscoelastic Functionally Graded Materials,” ASME J. Appl. Mech., 68 , pp. 129–132], have recently shown that ...
Honoring Professor Erdogan’s Seminal Contributions to Mixed Boundary-Value Problems of Inhomogeneous and Functionally Graded Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Professor Fazil Erdogan has influenced several generations of applied and solid mechanicians working in the area of mixed boundary-value problems of inhomogeneous media, most notably fracture and ...
Efficient Handling of Implicit Entities in Reduced Mesh Representations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: State-of-the-art numerical analyses require mesh representation with a data structure that provides topological information. Due to the increasing size of the meshes currently used for simulating ...
Galerkin Residuals for Adaptive Symmetric-Galerkin Boundary Element Methods
Publisher: American Society of Civil Engineers
Abstract: This paper presents a simple a posteriori error estimator and an effective adaptive mesh refinement procedure for the symmetric Galerkin boundary element method. The “hypersingular residuals,” developed for error estimation ...
Finite Particle Method for Progressive Failure Simulation of Truss Structures
Publisher: American Society of Civil Engineers
Abstract: A structural analysis framework called the finite particle method (FPM) for structure failure simulation is presented in this paper. The traditional finite-element method is generated from continuum mechanics and the ...
Single-Loop System Reliability-Based Design Optimization Using Matrix-Based System Reliability Method: Theory and Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a single-loop system reliability-based design optimization (SRBDO) approach using the recently developed matrix-based system reliability (MSR) method. A single-loop method was ...
Change of Constitutive Relations due to Interaction Between Strain-Gradient Effect and Material Gradation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For classical elasticity, the constitutive equations (Hooke’s law) have the same functional form for both homogeneous and nonhomogeneous materials. However, for strain-gradient elasticity, such is ...
Gradient Elasticity Theory for Mode III Fracture in Functionally Graded Materials—Part II: Crack Parallel to the Material Gradation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A Mode-III crack problem in a functionally graded material modeled by anisotropic strain-gradient elasticity theory is solved by the integral equation method. The gradient elasticity theory has ...