Journal of Engineering Mechanics: Recent submissions
Now showing items 521-540 of 7001
-
Performance of Dual Viscoelastic Wave Barrier System with Unequal Draft
(ASCE, 2021-11-01)This work investigated the interaction of surface waves with a dual-barrier system comprising two vertical viscoelastic thin sheets with variable spacing in finite water depth without preassumption of its dynamic behavior. ... -
Training of a Classifier for Structural Component Failure Based on Hybrid Simulation and Kriging
(ASCE, 2021-11-13)Hybrid simulation is a tool for investigating the dynamic response of a structural prototype subjected to realistic loading. Hybrid simulation is conducted using a hybrid model that combines physical and numerical substructures ... -
Efficient Simulation Method for First Passage Problem of Linear Systems Subjected to Non-Gaussian Excitations
(ASCE, 2021-10-28)This paper addresses the first passage problem of linear systems subjected to non-Gaussian excitations by means of simulation. A non-Gaussian simulation technique based on the unified Hermite polynomial model (UHPM) is ... -
A Limit Solution for Predicting Side Resistance on Rock-Socketed Piles
(ASCE, 2021-11-02)The mobilization of side resistance of rock-socketed pile strongly depends on the shear behavior of the pile-rock interface. In this study, an asperity-based model was developed to investigate essential responses of interface ... -
Nonlinear Partial Differential Equation for Unsteady Vertical Distribution of Suspended Sediments in Open Channel Flows: Effects of Hindered Settling and Concentration-Dependent Mixing Length
(ASCE, 2021-10-22)A model on one-dimensional unsteady suspended sediment transport has been developed in this study by including the effect of hindered settling and from mixing length point of view. The sediment diffusion term has been ... -
Fabric Investigation of Natural Sensitive Clay from 3D Nano- and Microtomography Data
(ASCE, 2021-12-07)The three-dimensional (3D) fabric in natural sensitive clay is quantified from a combination of high resolution nano and microtomographies, scanning electron microscopy, and dynamic light scattering. Although the speckle ... -
An Improved Wave Velocity Model for Acoustic Emission Source Localization in Heterogeneous Rock Materials with Unknown Inclusions
(ASCE, 2021-10-21)The accuracy of locating acoustic emission (AE) source location is closely related to the reasonability of the adopted wave velocity model. However, it is literally hard to obtain an accurate wave velocity model for a ... -
Mixing Phase Study of a Concrete Truck Mixer via CFD Multiphase Approach
(ASCE, 2022-01-05)This paper proposes a multiphase computational fluid dynamics (CFD) model to investigate the mixing process of an off-road self-loading concrete mixer drum. A multiphase Eulerian-Eulerian approach is used in a transient ... -
What Controls Fabric: A Correlation Analysis for Contact Fabric Evolution in Granular Media
(ASCE, 2021-10-19)Contact fabric is commonly adopted as a micromechanical state variable in many recent constitutive models of granular materials. This is accompanied by an evolution law for the fabric usually in terms of stress, total ... -
Analysis and Physical Interpretation of the Uncertainty Effect in Structural Dynamics
(ASCE, 2021-11-30)In order to determine the steady-state response of random dynamical systems, the polynomial chaos expansion (PCE) approach appears to be the most suitable, but its convergence is weak around the eigenfrequencies. Indeed, ... -
Micromechanical Investigation of Particle-Size Effect of Granular Materials in Biaxial Test with the Role of Particle Breakage
(ASCE, 2021-11-09)Understanding the effect of particle size on the shear strength of granular materials is important for geotechnical design and construction. However, previous studies show contradicting results on the relationship between ... -
Prediction of Ultrasonic Guided Wave Propagation in Fluid–Structure and Their Interface under Uncertainty Using Machine Learning
(ASCE, 2021-12-23)Structural health monitoring (SHM) systems use nondestructive testing principles for damage identification. As part of SHM, the propagation of ultrasonic guided waves (UGW) is tracked and analyzed for the changes in the ... -
The Problem of Tension–Torsion of Pretwisted Elastic Beams Revisited
(ASCE, 2021-11-10)A one-dimensional technical theory for pretwisted isotropic linearly elastic beams loaded in tension and torsion was developed. The analysis was based on a kinematically admissible field written in terms of three generalized ... -
Developing a New Understanding of the Impulse Response Test for Defect Detection in Concrete Plates
(ASCE, 2021-10-23)The objective of this research is to develop a technical basis of the impulse-response test for condition assessment and to improve its diagnostics for concrete plates. Impulse-response tests were performed on a fully ... -
Analysis of a Celestial Icosahedron
(ASCE, 2021-10-27)This paper presents the experimentation and finite-element analysis of a unique structure called a celestial icosahedron. The structure is being considered in a project related to lighter-than-air vehicles. The dimensions ... -
Two-Scale Discrete Element Modeling of Gyratory Compaction of Hot Asphalt
(ASCE, 2021-11-23)This paper presents a discrete element model for simulations of the compaction process of hot mixed asphalt (HMA). The model is anchored by the concept of a fine aggregate matrix (FAM), which consists of the binder and ... -
Modeling Combined Fabric Evolution in an Anisometric Granular Material Driven by Particle-Scale X-Ray Measurements
(ASCE, 2021-10-18)A combined fabric evolution (CFE) model is used to predict real-world fabric evolution of a strongly anisometric granular material under triaxial loading, connecting advances in theoretical developments and experimental ... -
Biaxial Constitutive Models for Simulation of Low-Aspect-Ratio Reinforced Concrete Shear Walls
(ASCE, 2021-12-14)A novel biaxial finite-element (FE) model is proposed and validated by a total of 32 reinforced concrete (RC) shear walls with aspect ratio below 1.5. First, a biaxial concrete model package, which was previously developed ... -
Adaptive Risk-Based Life-Cycle Management for Large-Scale Structures Using Deep Reinforcement Learning and Surrogate Modeling
(ASCE, 2021-10-27)Optimal life-cycle management is a challenging task for large-scale structures. The complexity of structural states, represented by the numerous combinations of component conditions, and the vast number of inspection and ... -
A Modified Fractional-Order Derivative Zener Model for Rubber-Like Devices for Structural Control
(ASCE, 2021-10-18)Fractional-order derivative (FD) models are widely used to describe the dynamic behavior of rubber-like materials. However, experiments have shown that FD models cannot reproduce the amplitude dependence and the slow ...