Journal of Engineering Mechanics: Recent submissions
Now showing items 361-380 of 7001
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Evaluation of Coefficients of Mode III Crack-Tip Asymptotic Fields Using Weak Form Quadrature Elements
(American Society of Civil Engineers, 2023/01/01)A weak form quadrature element formulation is established to obtain the coefficients of Mode III crack-tip asymptotic fields. The problem domain is divided into circular subdomains near the crack tips and several integrable ... -
Stress–Strain Response of Optical Fibers in Direct Tension
(American Society of Civil Engineers, 2023/07/01)Stress-strain response of optical fibers in direct tension is introduced in this article. The research involved direct tension tests of optical fibers and development of theoretical relationships describing the tensile ... -
Reliability Analysis of Structures by Active Learning Enhanced Sparse Bayesian Regression
(American Society of Civil Engineers, 2023/05/01)Adaptive sampling near a limit state is important for metamodeling-based reliability analysis of structures involving an implicit limit state function. Active learning based on the posterior mean and standard deviation ... -
Functionally Graded Beams as Surrogate Structural Models: Shear Beam with Exponentially Graded Rigidity
(American Society of Civil Engineers, 2023/06/01)An exact analytical solution, in terms of Bessel functions, was derived for the dynamic response of a shear beam with uniform cross section and mass density, and shear modulus that varies exponentially in the axial direction. ... -
Cyclic Response of Buckling-Restrained Stainless Steel Energy Dissipating Bars. II: Finite Element Investigations
(American Society of Civil Engineers, 2023/04/01)The first phase of experiments presented in Part I of this study is used to calibrate the 3D finite element (FE) modelling procedure of the tested fuse-type filler-injected buckling-restrained stainless steel energy ... -
Cyclic Response of Buckling-Restrained Stainless Steel Energy Dissipating Bars. I: Experimental Investigations
(American Society of Civil Engineers, 2023/04/01)The seismic performance of structures could be enhanced by the inclusion of supplemental components that dissipate the earthquake-induced energy. This is especially crucial for rocking structures that possess low energy ... -
Mechanical Analysis of Frictional Continuous Cable Systems Considering the Influence of Load Path
(American Society of Civil Engineers, 2023/02/01)Continuous cables are widespread in various fields, and mechanical analysis is an important issue in their application. The structural responses of frictional continuous cable systems under external loads are related to ... -
LS-DYNA Machine Learning–Based Multiscale Method for Nonlinear Modeling of Short Fiber–Reinforced Composites
(American Society of Civil Engineers, 2023/03/01)Short fiber–reinforced composites (SFRCs) are high-performance engineering materials for lightweight structural applications in the automotive and electronics industries. Typically, SFRC structures are manufactured by ... -
A 3D Coupled Finite-Element Model for Simulating Mechanical Regain in Self-Healing Cementitious Materials
(American Society of Civil Engineers, 2023/07/01)Interest in self-healing techniques that can enhance the performance of cementitious materials has been ever increasing over the past two decades. Alongside the experimental developments, a great deal of progress has been ... -
CNN-Based Surrogate for the Phase Field Damage Model: Generalization across Microstructure Parameters for Composite Materials
(American Society of Civil Engineers, 2023/06/01)We investigate the generalization of a convolutional neural network (CNN)-based surrogate for the phase field model in predicting both damage and peak load under uniaxial tension, given the two-dimensional (2D) microstructure ... -
Effect of Opening Size in Unreinforced Masonry Walls Subjected to Lateral Loads: Computational Modeling and Code Comparison
(American Society of Civil Engineers, 2023/07/01)Perforated unreinforced masonry (URM) walls are used in most existing masonry buildings as structural and nonstructural elements. Depending on the size and position, openings may detrimentally affect the stiffness and ... -
Stochastic Mainshock–Aftershock Simulation and Its Applications in Dynamic Reliability of Structural Systems via DPIM
(American Society of Civil Engineers, 2023/01/01)A novel approach for nonlinear stochastic dynamic analysis is proposed and illustrated with nonlinear building structures subjected to mainshock–aftershock sequences. First, a stochastic seismic sequence model with stochastic ... -
Efficient Data-Driven Modeling of Nonlinear Dynamical Systems via Metalearning
(American Society of Civil Engineers, 2023/03/01)Data-driven modeling of nonlinear dynamical systems is essential because of the need for a trade-off among complexity, efficiency, and reliability in analytical or numerical studies as well as the difficulty of deriving ... -
Strain Gradient–Based Thermomechanical Nonlinear Stability Behavior of Geometrically Imperfect Porous Functionally Graded Nanoplates
(American Society of Civil Engineers, 2023/07/01)This paper studied the thermomechanical nonlinear stability analysis of simply supported geometrically imperfect porous functionally graded nanoplates (FG-nPs) resting on an elastic medium. The inverse trigonometric shear ... -
Laplace- and Frequency-Domain Methods on Computing Transient Responses of Oscillators with Hysteretic Dampings to Deterministic Loading
(American Society of Civil Engineers, 2023/03/01)Efficiently computing the transient response of a linear hysteretic damping (LHD) system that is noncausal to deterministic loading that is regular or irregular is challenging. In this study, we developed a time-shifting ... -
SenseNet: A Physics-Informed Deep Learning Model for Shape Sensing
(American Society of Civil Engineers, 2023/03/01)Shape sensing is an emerging technique for the reconstruction of deformed shapes using data from a discrete network of strain sensors. The prominence is due to its suitability in promising applications such as structural ... -
Effects of Secondary Current on the Local Erosion Induced by Circular Turbulent Wall Jets in Cross Flow
(American Society of Civil Engineers, 2023/03/01)This paper presents the results of a series of laboratory experiments, by placing a turbulent wall jet in the upstream and downstream of a 90° channel bend, to investigate the effects of secondary flow on formation of local ... -
Dynamic Response of Tunnels Surrounded by Thawing Permafrost with Anisotropic Frost Heave in Cold Regions: Considering the Movement of the Frozen Interface
(American Society of Civil Engineers, 2023/02/01)This paper considers the anisotropic frost heave that occurs in frozen soils during thawing and investigates the dynamic response of tunnel systems in such regions to a uniformly distributed load. The phase change of ice ... -
Efficient Method for Approximating the Joint Extreme Value Distribution of Multivariate Stationary Gaussian Processes
(American Society of Civil Engineers, 2023/04/01)The joint extreme value distribution (JEVD) of multivariate random processes is important for evaluating the system reliability of a structure subjected to random vibrations. There are very limited analytical approaches ... -
Thermal Buckling and Vibrational Analysis of Carbon Nanotube Reinforced Rectangular Composite Plates Based on Third-Order Shear Deformation Theory
(American Society of Civil Engineers, 2023/06/01)In this paper, thermal buckling and free vibration of a rectangular plate reinforced with carbon nanotubes (CNT) are investigated within the framework of third-order shear deformation theory (TSDT). CNT distribution along ...