Journal of Engineering Mechanics: Recent submissions
Now showing items 461-480 of 7001
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Spatial Dispersion of Elastic Waves in Transversely Isotropic Media Using Lagrange Spectral Element Method
(ASCE, 2022/04/28)Dispersion is studied for the two-dimensional propagation of elastic waves in transversely isotropic media using the Lagrange spectral element method. Spectral element matrices are derived as the tensor product of elementary ... -
New Insights on Fractional GN II Thermoelasticity Theory
(ASCE, 2022/05/31)In the framework of recent research on Fourier’s heat conduction law with fractional orders, a novel model of Green-Naghdi of type II (GN II) thermoelasticity has been devised. The uniqueness theorem has been established ... -
Assessing Key Structural Stiffness of Existing Space Trusses Based on Optimized Simple Static Loadings
(ASCE, 2022-04-05)A novel method of simple static loadings is developed for existing space trusses to assess the key structural stiffness, which provides the main resistance to the structural deformation caused by the load that dominates ... -
Multiaxial Damage Ratio Strength Criteria for Fiber-Reinforced Concrete
(ASCE, 2022-04-18)Based on the damage ratio strength theory, a dimensionless damage ratio strength criterion for fiber-reinforced concrete (FRC) under true triaxial stress states was established under the assumption of small strains. Based ... -
Yield Surface Evolution and Elastoplastic Model with Cubic Distortional Yield Surface
(ASCE, 2022-04-04)We conducted a series of axial-torsional strain-controlled experiments on thin-walled tubular specimens of aluminum alloy Al6061 in our lab, examining carefully the probed yield points in axial-torsional space. On the basis ... -
Change of Measure Enhanced Near-Exact Euler–Maruyama Scheme for the Solution to Nonlinear Stochastic Dynamical Systems
(ASCE, 2022-03-24)The present study utilizes the Girsanov transformation-based framework for solving a nonlinear stochastic dynamical system in an efficient way in comparison with other available approximate methods. In this approach, ... -
Improved Approximation Approach for Folding Analyses of Structures with Kinematic Indeterminacy
(ASCE, 2022-03-10)The kinematic analysis method based on generalized inverse theory has been used in the engineering field. However, the traditional numerical procedure is found to be extraordinarily time consuming when the number of unknowns ... -
Kirchhoff–Love Plate Deformations Reinterpreted
(ASCE, 2022-03-25)The deformations of Kirchhoff–Love plate elements are usually characterized by three components describing the strains in the middle plane and three components describing the bending of the plate element. It is shown that ... -
Probing Fabric Evolution and Reliquefaction Resistance of Sands Using Discrete-Element Modeling
(ASCE, 2022-03-18)Recent case histories have demonstrated that soil liquefaction can occur repeatedly at a site during a sequence of earthquake events. Field observations and laboratory tests imply that reliquefaction resistance can be ... -
Stochastic Optimal Control of Structures Based on Explicit Time-Domain Method
(ASCE, 2022-03-24)Stochastic optimal control of structures involves the optimal design of the control law and the optimal selection of the weighting parameters adopted in the control law. The classical stochastic optimal control (CSOC) ... -
Efficient Geotechnical Reliability Analysis Using Weighted Uniform Simulation Method Involving Correlated Nonnormal Random Variables
(ASCE, 2022-03-22)In the context of probabilistic analysis involving uncertain factors, efficient reliability methods play an important role for promoting a wider application in engineering practice. Although the ordinary Monte Carlo ... -
Physio-Mechanical Characterization of Limestone and Dolomite for Its Application in Blast Analysis of Tunnels
(ASCE, 2022-02-26)In the present work, the rate-dependent stress-strain responses of limestone and dolomite, sedimentary rocks, are determined by using a split Hopkinson pressure bar device under a high loading rate. The petrographical, ... -
Thermodynamic Behaviors of a Viscoelastic Plate for Vibration Control with Nonlocal Effect and Temperature-Dependent Properties when Subjected to a Moving Heat Source
(ASCE, 2022-03-14)Viscoelastic materials are used widely for seismic mitigation and vibration suppression in civil engineering, and have obvious advantages in energy dissipation. Viscoelastic materials and devices are often used in a ... -
Probabilistic Analysis on Stochastic Failure Modes of Reinforced Concrete Beams under Fatigue Loading
(ASCE, 2022-02-25)This paper presents a probabilistic analysis on the stochastic failure modes of reinforced concrete beams under fatigue loading according to a series of experimental tests done previously. The analysis is featured by a ... -
Micromechanics of Fiber–Concrete Interaction: Numerical Modeling and Experimental Validation
(ASCE, 2022-02-28)To simulate the behavior of fiber-reinforced concrete, an accurate modeling of the concrete and fiber phases as well as the fiber–concrete interaction is required. This study proposes a new model to account for fiber-matrix ... -
A Simplified Continuum Particle Model Bridging Interatomic Potentials and Elasticity of Solids
(ASCE, 2022-02-25)A continuum particle model correlates the interatomic potential of a crystal lattice with the elastic moduli of the solid, in which discrete atoms are modeled by perfectly bonded continuum particles, named singum, to ... -
Evaluation of Cross-Sectional Deformation in Pipes Using Reflection of Fundamental Guided-Waves
(ASCE, 2022-02-22)Ultrasonic guided-wave technology has been successfully applied to detect multiple types of defects in pipes. However, cross-sectional deformation, which is a common defect, is less studied when compared with structural ... -
Physics-Informed Multifidelity Residual Neural Networks for Hydromechanical Modeling of Granular Soils and Foundation Considering Internal Erosion
(ASCE, 2022-02-10)Coupled hydromechanical finite-element modeling of granular soils, taking into account internal erosion, is computationally prohibitive. Alternative data-driven approaches require large data sets for training and often ... -
A Complex Variable Solution for Shallow Rectangular Tunnel in Semi-Infinite Plane
(ASCE, 2022-01-17)The rectangular pipe jacking method, as a new type of shallow tunnel excavation technology, is increasingly widely used in practical engineering due to its advantages of higher space utilization and fewer impacts on the ... -
Microstructure-Based Equivalent Visco-Hyperelastic Model of Viscoelastic Damper
(ASCE, 2022-01-31)The mechanical properties of viscoelastic (VE) dampers directly affect the aseismic performance of viscoelastically damped structures; therefore, it is of great significance to accurately describe the nonlinear mechanical ...