Journal of Engineering Mechanics: Recent submissions
Now showing items 321-340 of 7001
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Comparison of Constrained Unscented and Cubature Kalman Filters for Nonlinear System Parameter Identification
(ASCE, 8/23/2023 )Accurate and efficient parameter identification along with uncertainty quantification in nonlinear systems is crucial for enabling practical and reliable structural health monitoring and digital twinning. This paper presents ... -
A Numerical Method for Solving Evolutionary Statistical Characteristics of Dynamic Responses of the Vehicle–Bridge Coupled System Based on the Recursion Principle
(ASCE, 8/11/2023 )The vehicle–bridge coupled (VBC) vibration problem under the excitation of road roughness is essentially a nonstationary random vibration problem. At present, the computational efficiency is still the key factor of restricting ... -
Free Vibration of Cracked MEE FG Plates Resting on Elastic Foundations Using Phase-Field Simulation
(ASCE, 8/30/2023 )In this study, free oscillation of a cracked smart plate made of magneto-electro-elastic functionally graded materials (MEE-FGMs) lying on a Pasternak elastic foundation is investigated according to high-order shear ... -
Computationally Efficient Adaptive Design of Experiments for Global Metamodeling through Integrated Error Approximation and Multicriteria Search Strategies
(ASCE, 5/31/2023 )Gaussian processes (GPs) are a popular technique for global metamodeling applications. Their objective in such settings is to establish an efficient and globally accurate approximation of the response surface of computationally ... -
Physics-Informed Neural Networks for System Identification of Structural Systems with a Multiphysics Damping Model
(ASCE, 8/2/2023 1)Structural system identification is critical in resilience assessments and structural health monitoring, especially following natural hazards. Among the nonlinear structural behaviors, structural damping is a complex ... -
Semianalytical Solution for Dissipation Process of Partially Saturated Soils Considering Nonsmooth Boundary and Stress Level
(ASCE, 6/21/2023 )Partially saturated soils are commonly encountered in practice. To facilitate the construction and maintenance of infrastructure, it is important to estimate the dissipation of partially saturated soils reasonably, especially ... -
Composite Implicit Time Integration Method for Nonviscous Damping Structural Dynamic System
(ASCE, 6/26/2023 )A nonviscous damping model uses convolution to account for the complete velocity history. The displacement response, velocity response, and acceleration response of a system with nonviscous damping are usually computed by ... -
Generalized Stratified Sampling for Efficient Reliability Assessment of Structures against Natural Hazards
(ASCE, 5/12/2023 )Performance-based engineering for natural hazards facilitates the design and appraisal of structures with rigorous evaluation of their uncertain structural behavior under potentially extreme stochastic loads expressed in ... -
Thermoporoelastic Moduli from Molecular Fluctuations and Application to Moisture Effect on Amorphous Cellulose
(ASCE, 8/17/2023 )Although imperceptible at the macroscale, fluctuations of physical properties are ubiquitous at the nanoscale because of thermal agitation. While fluctuations are detrimental to the accuracy of molecular simulations, their ... -
Assessment of the Effect of Design Parameters of Pressurized Sand Dampers from Component Testing
(ASCE, 7/25/2023 )This study presents results from cyclic testing on various configurations of a recently developed pressurized sand damper in which a steel sphere is moving within a cylindrical tube filled with sand that is under pressure. ... -
Autonomous Ultrasonic Thickness Measurement of Steel Bridge Members Using a Climbing Bicycle Robot
(ASCE, 6/7/2023 1)This paper presents the development of a steel-climbing bicycle robot integrated with an ultrasonic sensing device towards autonomous thickness measurement of steel bridge members. The bicycle-like robot has two magnetic ... -
Vlasov–Leont’ev Foundation Model for the Dynamic Analysis of a Laterally Loaded Pile in Homogeneous Viscoelastic Soil
(ASCE, 6/17/2023 )The Vlasov–Leont’ev foundation model describes the soil displacement field as a product of separable functions and utilizes the calculus of variation to obtain the governing differential equations describing the motion of ... -
Unified Modeling of Interface between Structured Clay or Crushable Sand and Structure
(ASCE, 6/7/2023 1)The purpose of this paper is to develop a unified elastoplastic model for describing both monotonic and cyclic behaviors of natural structured clay–structure and crushable sand–structure interfaces based on the bounding ... -
Bayesian Nonlocal Operator Regression: A Data-Driven Learning Framework of Nonlocal Models with Uncertainty Quantification
(ASCE, 5/26/2023 )We consider the problem of modeling heterogeneous materials where microscale dynamics and interactions affect global behavior. In the presence of heterogeneities in material microstructure it is often impractical, if not ... -
A Probabilistic Crowd–AI Framework for Reducing Uncertainty in Postdisaster Building Damage Assessment
(ASCE, 6/24/2023 )Damage assessment of the built infrastructure forms a critical step in post-disaster response as it is necessary for estimating the severity and extent of the disaster impact, thereby ensuring effective and adequate recovery ... -
Postcritical Imperfection Sensitivity of Functionally Graded Piezoelectric Cylindrical Nanoshells Using Boundary Layer Solution
(ASCE, 6/19/2023 )The nonlocal (NL) and the strain gradient (SG) based equivalent continuum theories were proposed for nanomechanics by accommodating the long-range molecular interactions and to bypass the computationally expensive atomistic ... -
An Improved Dilatancy Boundary for Salt Rock
(ASCE, 5/17/2023 )Salt layers and domes have been used to store hydrocarbons and to dispose of nuclear wastes. One of the most important properties of rock salt is its good deformability, which can neutralize the deviatoric stress and heal ... -
Applying a 3D Re-Entrant Auxetic Cellular Core to a Graphene Nanoplatelet–Reinforced Doubly Curved Structure: A Sound Transmission Loss Study
(ASCE, 7/28/2023 )Sound transmission loss (STL) can be augmented in buildings using graphene nanoplatelets (GPLs) and metamaterials. The present study established an analytical model grounded on the three-dimensional (3D) elasticity theory ... -
Modeling the Planar Rocking of a Rigid Body with Irregular Geometry
(ASCE, 6/17/2023 )The nonlinear dynamics of rocking rigid bodies with simple geometries, such as rectangular blocks and cylinders, have been the focus of the rocking community over the last six decades. However, many objects that are prone ... -
Model Updating of Nonproportionally Damped Structural Systems Using an Adapted Complex Sum-of-Squares Optimization Algorithm
(ASCE, 5/17/2023 )Various model updating approaches relying on solving nonconvex optimization problems have been developed; however, few of them can reach the global optimum. To obtain the global optimum, the real sum-of-squares optimization ...