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Closed Path J Integral Analysis of Bridged and Phase Field Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We extend the classical Jintegral approach to calculate the energy release rate of cracks by prolonging the contour path of integration across a tractiontransmitting interphase that accounts for various phenomena occurring ...
Enhanced Pseudo-Three-Dimensional Model for Multiple Hydraulic Fractures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Modeling the propagation of hydraulic fractures is a complex problem that involves solving the equations that describe the intimate coupling between the cracked and porous solid phase and the fracturing fluid that drives ...
Distinct Element Method Modeling of Carbon Nanotube Bundles With Intertube Sliding and Dissipation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The recently developed distinct element method for mesoscale modeling of carbon nanotubes is extended to account for energy dissipation and then applied to characterize the constitutive behavior of crystalline carbon ...
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 ...
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, ...
Modeling Flow in Porous Media With Double Porosity/Permeability: Mathematical Model, Properties, and Analytical Solutions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Geomaterials such as vuggy carbonates are known to exhibit multiple spatial scales. A common manifestation of spatial scales is the presence of (at least) two different scales of pores with different hydromechanical ...