Journal of Engineering Mechanics: Recent submissions
Now showing items 501-520 of 7001
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Efficient Structural Reconnaissance Surveying for Regional Postseismic Damage Inference with Optimal Inspection Scheduling
(ASCE, 2021-12-10)Accurately estimating the extent of damage after an earthquake requires labor-intensive reconnaissance surveys, which may take months to cover the entire building inventory in an impacted region. This paper provides a ... -
Analytical Modeling of the Wave Reflection by a Single Cycloidal Geotube or Trench Based on the Modified Mild-Slope Equation
(ASCE, 2021-12-07)This study investigated the wave reflection and transmission caused by a single bar or trench with a cycloidal cross section. An exact solution was constructed, in terms of the Frobenius series, to the modified mild-slope ... -
A Multiscale Bridging Material Parameter and Damage Inversion Algorithm from Macroscale to Mesoscale Based on Ant Colony Optimization
(ASCE, 2021-12-06)The study of material failure phenomena with coupled multiple scales is a need and a challenge. The fundamental difficulty in these problems is due to multiscale bridging material parameters and damage, which ensure that ... -
Near-Real-Time Identification of Seismic Damage Using Unsupervised Deep Neural Network
(ASCE, 2022-01-10)Prompt identification of structural damage is essential for effective postdisaster responses. To this end, this paper proposes a deep neural network (DNN)–based framework to identify seismic damage based on structural ... -
Influence of Lateral Differential Settlement of Subgrade on Dynamic Performance of High-Speed Vehicle System
(ASCE, 2022-01-11)To illustrate the influence of differential settlement along the lateral direction of subgrade on the dynamic performance of a high-speed vehicle system, based on the vehicle–track coupling dynamic theory and finite-element ... -
Bending Fatigue Life Evaluation of Bridge Stay Cables
(ASCE, 2021-12-31)Large-amplitude cable vibrations are remarkably common on cable-stayed bridges due to various aerodynamic loading mechanisms and/or motion of the cable ends. Geometric nonlinearity can be important in the dynamic behavior, ... -
Dislocation Density Evolution in Low-Cycle Fatigue of Steels Using Dislocation-Based Crystal Plasticity
(ASCE, 2021-12-06)Dislocation accumulation caused by a crystallographic slip or plastic flow is one of the most critical factors for the growth of fatigue cracks. The dislocation density-based crystal plasticity method accounting for mobile ... -
A Physics-Informed Neural Network Approach to Solution and Identification of Biharmonic Equations of Elasticity
(ASCE, 2021-12-08)We explore an application of the Physics-Informed Neural Networks (PINNs) in conjunction with Airy stress functions and Fourier series to find optimal solutions to a few reference biharmonic problems of elasticity and ... -
Statistical Assessment of In-Plane Masonry Panels Using Limit Analysis with Sliding Mechanism
(ASCE, 2021-12-15)Historical masonry structures have a great interest in civil engineering because they constitute a large part of the world’s building heritage. In this paper, the effects that different geometrical (panel ratio, block ... -
Static Analysis on Some Typical Tensegrities with Additional Cables
(ASCE, 2021-12-23)Adding redundant cables to tensegrity structures is an inevitable requirement for the engineering application of this type of structure. Here we investigated the form-finding and stability of several typical classes of ... -
Discrete Fresh Concrete Model for Simulation of Ordinary, Self-Consolidating, and Printable Concrete Flow
(ASCE, 2021-11-24)This paper deals with the formulation and validation of the discrete fresh concrete (DFC) model to simulate the rheological behavior of self-consolidating, ordinary, and printable concrete in the fluid state immediately ... -
Fillunger–Heinrich’s Theory of Porodynamics: Predictive Power and Analytical Solution
(ASCE, 2021-12-22)The first articulation of the second type of dilatational wave propagating through fluid-saturated geomaterials has been traced to Heinrich’s formulation built on Fillunger’s framework of the mixture theory and Terzaghi’s ... -
Unified Damage Constitutive Model for Fiber-Reinforced Concrete at High Temperature
(ASCE, 2021-11-09)The mechanical behavior of fiber-reinforced concrete at high temperature is investigated, and a constitutive model considering the damage effect is developed based on the thermodynamic theory. By comparing the experimental ... -
Free and Forced Vibrations of an Undamped Double-Beam System Carrying a Tip Mass with Rotary Inertia
(ASCE, 2021-11-23)Many civil and mechanical engineering structures can be simplified as double-beam systems, i.e., a primary beam and a secondary beam connected to the primary beam. Many studies have investigated the vibration ... -
A Dynamic Constitutive Model for Rock Materials Subjected to Medium- and Low-Strain-Rate Dynamic Cyclic Loading
(ASCE, 2021-11-10)Rock materials are often subjected to medium- and low-strain-rate dynamic cyclic loading such as earthquake action; however, few dynamic constitutive models for rock materials under dynamic cyclic loading are available. ... -
Exploiting DEM to Link Thermal Conduction and Elastic Stiffness in Granular Materials
(ASCE, 2021-11-18)Estimating the effective thermal conductivity (ETC) of granular materials is important in various engineering disciplines. The ETC of a granular material is not unique, rather it depends upon the material’s packing ... -
An Explicit Solution of Modal-Damping Ratios for Higher Modes of a Cable with an External Damper
(ASCE, 2021-11-03)Design of external dampers for stay cables requires repetitive evaluation of damping ratios for target modes of cables under various damper parameters and installation positions, and explicit formulas with high accuracy ... -
Analytical Approach to Estimating the Influence of Shotcrete Hardening Property on Tunnel Response
(ASCE, 2021-10-28)Ignoring the shotcrete hardening property in tunnel design may lead to an overestimation of the bearing capacity of shotcrete liners and underestimation of tunnel convergence. However, accounting for this nonlinear hardening ... -
Microscale Fracture Damage Analysis of Lightweight Aggregate Concrete under Tension and Compression Based on Cohesive Zone Model
(ASCE, 2021-12-08)The secondary pre-processing development of Abaqus based on the Python program is carried out, and the mesoscale finite-element model of light-aggregate concrete is established at mesoscale. A Python program capable of ... -
Double Scalar Variables Plastic-Damage Model for Concrete
(ASCE, 2021-11-24)A framework of the plastic-damage model with double scalar variables is established in nominal stress space under the small deformation assumption. In the damaged part, a damage tensor composed of double scalar variables ...