Journal of Engineering Mechanics: Recent submissions
Now showing items 241-260 of 7001
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Aeroelastic Real-Time Hybrid Simulation. II: Mitigation of Vortex-Induced Vibration of a Tall Building Structure
(American Society of Civil Engineers, 2024)High-rise structures with large aspect ratios are subjected to unexpected motions under wind excitation. Structural vibrations induced by vortices in the wake were captured by aeroelastic real-time hybrid simulation ... -
Aeroelastic Real-Time Hybrid Simulation. I: Validation
(American Society of Civil Engineers, 2024)An innovative experimental method, called aeroelastic real-time hybrid simulation (aeroRTHS), is proposed to study the aerodynamic vibrations of a building model in a boundary layer wind tunnel (BLWT). The aeroRTHS method ... -
Size Effect on Strength Statistics of Prenotched Quasibrittle Structures
(ASCE, 2024/06/01)This paper presents a stochastic analysis of the size effect on the nominal strength of quasibrittle structures with a large preexisting notch. This type of scaling behavior has been extensively studied within a deterministic ... -
A Mathematical Model of Nonlinear Aerodynamic Damping for High-Rise Buildings
(ASCE, 2024/05/01)Vortex-induced vibration (VIV) is a critical problem for high-rise buildings. Thus, accurate prediction of aerodynamic damping becomes a key problem in the wind-resistant design of high-rise buildings. A common feature of ... -
Evolution of Soil Fabrics toward Critical State for Granular Soils: A Comprehensive Investigation
(ASCE, 2024/05/01)The critical-state theory (CST) serves as the foundation of modern soil mechanics and has gained widespread acceptance for explaining the behavior of granular materials. The classical CST does not address the fabric ... -
Development of a Concrete Constitutive Model Considering Free Water Effect for Predicting Dynamic Responses of Concrete Structures
(ASCE, 2024/05/01)Existing research indicates that free water has a considerable influence on the dynamic mechanical properties of concrete, which is not considered in commonly used concrete models. This paper presents a high-fidelity ... -
Crack-Parallel Stress Effect on Fracture of Fiber-Reinforced Concrete Revealed by Gap Tests
(ASCE, 2024/04/01)This paper presents an experimental study on how the crack-parallel stress affects the fracture properties of fiber-reinforced concrete (FRC) using the gap test—a new simple fracture test invented and used for concrete at ... -
Reliability Updating Method with Copula-Based Weighted Low-Discrepancy Samplings
(ASCE, 2024/05/01)This study proposes an efficient reliability updating method to quickly estimate the low-level failure probability, Pf, in structural/geotechnical systems, along with the identification of the most probable failure point ... -
Stochastic Response Analysis of a Spar-Type FOWT Subjected to Extreme Waves by a Novel Filter Wave Model and the DR-PDEE
(ASCE, 2024/04/01)Extreme waves pose one of the major threats to marine structures. Furthermore, their non-stationary nature makes proper stochastic analysis of their responses a challenging problem. To address this issue, this paper proposes ... -
Parameter Estimation of Stochastic Fractional Dynamic Systems Using Nonlinear Bayesian Filtering System Identification Methods
(ASCE, 2024/02/01)This paper presents the application of nonlinear Bayesian filtering–based system identification (SI) methods when employed to estimate the parameters of stochastic fractional dynamic systems. The objective is to demonstrate ... -
Randomized Neural Networks with Petrov–Galerkin Methods for Solving Linear Elasticity and Navier–Stokes Equations
(ASCE, 2024/04/01)We develop randomized neural networks (RNNs) with Petrov–Galerkin (RNN-PG) methods to solve linear elasticity and Navier–Stokes equations. RNN-PGs use the Petrov–Galerkin variational framework, where the solution is ... -
Multilayered Randomized Architected Material under Tensile Loading for a Tensegrity Structure
(ASCE, 2024/06/01)Architected materials are a new class of materials that interlink practices in architecture and structural engineering to produce materials by conjugation of several simple materials through the interplay between geometry ... -
A Methodology for Imprecise Moment-Independent Global Sensitivity Analysis with Limited Data of Copula-Dependent Inputs: Application for Slopes
(ASCE, 2024/04/01)Importance ranking of rock properties is important in allocating investigation resources, and then performing probabilistic analysis efficiently. Traditional global sensitivity analysis (GSA) can be employed to perform ... -
Probabilistic Comparative Analysis of Vehicle–Bridge Interaction Models for Predicting Bridge Response under Moving Vehicles
(ASCE, 2024/03/01)This paper compares three approaches for predicting the bridge response under moving vehicles. The first approach represents the vehicle as a concentrated moving load, while the second and third approaches simulate the ... -
A Graphical Solution Framework for Elastoplastic Cylindrical Cavity Problem in Mohr–Coulomb Material
(ASCE, 2024/05/01)Stress and deformation analysis of a cavity in an infinite/finite medium is a fundamental applied mechanics problem of interest in multiple physics and engineering disciplines. This paper develops a complete semianalytical ... -
A Piezoelectric Mechanical-Like Beam Element with Superconvergence Property
(ASCE, 2024/02/01)A finite element is developed for a piezoelectric beam theory whose displacement varies according to the Timoshenko assumption, and the electric potential varies quadratically through each piezoelectric patch thickness. ... -
Penetration Behavior of Concrete Targets Subjected to Tungsten-Alloy Long-Rod Projectile Impact
(ASCE, 2024/02/01)This paper presents an experimental study and theoretical analysis on the penetration behavior of a tungsten-alloy long-rod projectile into a concrete target with an impact velocity ranging from 900 to 1,700 m/s. Different ... -
Vibration Characteristics of Functionally Graded Fractional Derivative Viscoelastic Fluid–Conveying Pipe with Initial Geometric Defects
(ASCE, 2024/05/01)A viscoelastic constitutive model constructed with fractional derivatives can accurately describe the mechanical phenomena caused by materials with time-dependent and memory properties. Using this model, the vibration ... -
Mechanism-Based Modeling of Strain Rate–Dependent Transition of Macromechanical Behavior Accompanied by Temperature Rise Effects of a Toughened Polymer Composite
(ASCE, 2024/05/01)Recently, the unusual macromechanical behavior of a soft–hard-blend polymer composite was discovered, which is rubber-like at a low strain rate and glass-like at a high strain rate. Such strain rate–dependent mechanical ... -
Nonlinear Vibration of FG Graphene Origami Auxetic Sandwich Plate Including Smart Hybrid Nanocomposite Sheets
(ASCE, 2024/04/01)Negative Poisson’s ratio (NPR) auxetic metamaterials are attracting significant attention because of their peculiar and interesting mechanical features. Using geometrically von-Karman nonlinear factors and Mindlin plate ...