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RISA Probabilistic Crack Band Model for Quasibrittle Fracture
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new crack band model (CBM) for probabilistic analysis of quasibrittle fracture. The model is anchored by a probabilistic treatment of damage initiation, localization, and propagation. This model ...
Probabilistic Analysis of Crack Spacing in Asphalt Pavements under Thermal Loading
Publisher: American Society of Civil Engineers
Abstract: AbstractThis paper presents a stochastic model for the prediction of tensile cracking behavior
of asphalt pavements under thermal loading. The spatial variability in the stiffnesses
of the asphalt material and base course ...
Internal Length Scale of Weakest-Link Statistical Model for Quasi-Brittle Fracture
Publisher: American Society of Civil Engineers
Abstract: Anchored by the theory of extreme value statistics, Weibull distribution is the most widely used mathematical model for strength distribution of brittle structures. In a series of recent studies, a finite weakest-link model ...
Stochastic Buckling of Geometrically Imperfect Beams on Elastic Foundation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Geometrical imperfections are ubiquitous in loadbearing structures, including beams, columns, and shells. Fabrication processes of structural members most often create geometrical imperfections of random size and shape, ...
A Renewal Weakest-Link Model of Strength Distribution of Polycrystalline Silicon MEMS Structures
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Experimental data have made it abundantly clear that the strength of polycrystalline silicon (poly-Si) microelectromechanical systems (MEMS) structures exhibits significant variability, which arises from the random ...
Application of J-Integral to a Random Elastic Medium
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the use of the J-integral to compute the statistics of the energy release rate of a random elastic medium. The spatial variability of the elastic modulus is modeled as a homogeneous lognormal random ...
Stochastic Buckling of Geometrically Imperfect Beams on Elastic Foundation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Geometrical imperfections are ubiquitous in load-bearing structures, including beams, columns, and shells. Fabrication processes of structural members most often create geometrical imperfections of random size and shape, ...
Eigenstrain-Induced Stress in Elastic Cylinder
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This article presents an analysis of the stress induced by a volumetric eigenstrain field in an elastic cylinder that is free to deform. This field is characterized by a transverse discontinuity at the midsection ...
Interaction of Localized Defects in Buckling of Axially Compressed Cylindrical Shells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Geometric imperfections are the primary cause of the pronounced reduction in the buckling load of cylindrical shells subjected to axial compression. Localized defects, which are commonly introduced during ...
Scaling of Strength of Metal Composite Joints—Part III: Numerical Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The size effect in the failure of a hybrid adhesive joint of a metal with a fiberpolymer composite, which has been experimentally demonstrated and analytically formulated in preceding two papers, is here investigated ...