Journal of Engineering Mechanics: Recent submissions
Now showing items 341-360 of 7001
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Formulation of Constitutive Viscoelastic Properties of Modified Bitumen Mastic Using Genetic Programming
(ASCE, 8/17/2023 )The objective of this study is to create explicit prediction models for the complex shear modulus (G*) and phase angle (δ) of bitumen mastic fabricated using an evolutionary machine learning approach. The dynamic shear ... -
Experimental and Theoretical Study on Nonlinear Behavior of Compression-Mode Viscoelastic Dampers under Different Excitations and Temperatures
(ASCE, 7/12/2023 )This work designs a new compression-mode viscoelastic (VE) damper to avoid bonding interface failure in classical shear-mode VE dampers. However, most existing mathematical models based on the shear deformation at the ... -
Thermal Effect on the Compaction Behavior of Tight Shale by Uniaxial Strain Test
(ASCE, 4/25/2023 )In order to investigate the compaction behavior of tight shale and obtain the apparent preconsolidation stress and critical stress of brittle-ductile transition, uniaxial strain tests were conducted at various temperatures. ... -
Investigation of the Low-Velocity Impact and Compression after Impact Performance of CFRPs
(ASCE, 7/4/2023 1)Low-velocity impacts (LVI) during a structure’s service life may affect the mechanical properties of carbon-fiber–reinforced composites (CFRP) and, consequently, their structural performance. Accordingly, it is crucial to ... -
Nonlinear Dynamics of a Broadband Vortex-Induced Vibration–Based Energy Harvester
(ASCE, 5/19/2023 )Energy harvesting from vortex-induced vibrations (VIV) is gaining more attention in many applied cases. This paper studied the nonlinear dynamics of a tunable VIV-based energy harvester. The energy harvester structure ... -
Proposal of m-Index for Rating Fracture and Damage Models by Their Ability to Represent a Set of Distinctive Experiments
(ASCE, 5/23/2023 )A recent comparative study revealed that the commonly offered experimental validations of peridynamics and phase-field fracture models have been insufficient because they involved only nondistinctive experiments, ... -
Using the Impulse–Response Pile Data for Soil Characterization
(ASCE, 7/31/2023 )The impulse–response (IR) test is the most commonly used field procedure for assessing the structural integrity of piles embedded in soil. The IR test uses the response of the pile to waves induced by an impulse load applied ... -
Seismic Control of Story Isolation System Using Tuned Mass Damper Inerter
(ASCE, 12/23/2022)Story isolation systems (SIS) have great application potential in the seismic design of some special structures. This paper studied the seismic control performance of SIS using a tuned mass damper inerter (TMDI) considering ... -
Improved Singum Model Based on Finite Deformation of Crystals with the Thermodynamic Equation of State
(ASCE, 2/6/2023 1)The recently published simplified singum model has been improved by using the thermodynamics-based equation of state (EOS) of solids to derive a new interatomic potential based on elastic constants. The finite deformation ... -
A Frequency-Based Ground Motion Clustering Approach for Data-Driven Surrogate Modeling of Bridges
(ASCE, 7/12/2023 )Machine learning–based methods, especially deep learning methods, have achieved great success in seismic response modeling due to their exceptional performance in capturing nonlinear features. However, imbalanced features ... -
Programmable Instability of Miura Tube–Based Spatial Structures
(ASCE, 6/30/2023 )Programmable instability is crucial to the design of intelligent structures. Origami has inspired new methods of designing spatial truss structures with programmable instability. In this study, the finite-particle method ... -
Static–Dynamic Universal Strength Criterion for Concrete Material
(American Society of Civil Engineers, 2023/01/01)Studies on the biaxial strength criterion provide a significant theoretical basis for the exploration of concrete material’s biaxial and multiaxial mechanical properties. In this study, mesoscopic modeling of concrete cube ... -
Analytical Solution for Consolidation of Composite Column–Reinforced Ground in Unsaturated Soils Including Smear Effect and Time-Varying Loading
(American Society of Civil Engineers, 2023/01/01)This study proposes an analytical solution for axisymmetric consolidation analysis of composite column–improved ground in unsaturated soils including smear effect and arbitrary time-varying loading, where the composite ... -
The GCO Method for Time-Dependent Structural Reliability Assessment
(American Society of Civil Engineers, 2023/01/01)By taking the advantage of Poisson events, the outcrossing method has been widely applied for time-dependent reliability analysis considering continuous processes. Generally, the outcrossing method can only obtain an upper ... -
DEM Analysis of Dynamic Evolutions of Lateral Soil Arching in Sandy Soil
(American Society of Civil Engineers, 2023/06/01)For landslide mitigation, stabilizing piles are widely adopted in geotechnical engineering practice. The formation of soil arching between stabilizing piles can greatly mitigate the lateral spreading of sandy soil, and ... -
Shape Reconstruction of a Timoshenko Beam under the Geometric Nonlinearity Condition
(American Society of Civil Engineers, 2023/06/01)Shape sensing, which is the real-time monitoring of deformed shapes using discrete surface strain, is a fundamental approach to ensure structural safety, reliability, and affordability. Large deformation shape sensing is ... -
Accelerated Design of Architected Materials with Multifidelity Bayesian Optimization
(American Society of Civil Engineers, 2023/06/01)In this work, we present a multifidelity Bayesian optimization framework for designing architected materials with optimal energy absorption during compression. Data from both physical experiments (high fidelity) and numerical ... -
Data-Driven Reconstruction of Dynamical Forces and Responses through Bayesian Expectation-Maximization and Modal Reduction Methods
(American Society of Civil Engineers, 2023/06/01)This paper presents a new Bayesian approach for estimating input and state in linear structures using response-only measurements. The proposed approach benefits from a modally reduced state-space model, which circumvents ... -
Asymmetric Vibrations of Functionally Graded Annular Nanoplates under Thermal Environment Using Nonlocal Elasticity Theory with Modified Nonlocal Boundary Conditions
(American Society of Civil Engineers, 2023/05/01)Analysis and numerical results are presented for the free asymmetric vibrations of functionally graded (FG) annular nanoplates subjected to nonlinearly varying temperature. The mechanical properties of the plate material ... -
Interaction between Instabilities in Vertical-Axis Turbine Blades
(American Society of Civil Engineers, 2023/06/01)This work investigates five different instability mechanisms that may occur and interact in straight-bladed H-rotor vertical-axis turbines. Specifically, it considers the static instabilities of divergence and centrifugal ...