Journal of Engineering Mechanics: Recent submissions
Now showing items 641-660 of 7001
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Theoretical Investigation into Thermo-Osmosis and Thermofiltration Effects on Hydromechanical Behavior of Saturated Soils
(ASCE, 4/1/2021)A change in temperature induces thermo-osmosis (T-O) and thermofiltration (T-F) effects in soils, which can influence consolidation under certain conditions. Whether such conditions are met is not always known a priori. ... -
Dynamic Mode Decomposition of Random Pressure Fields over Bluff Bodies
(ASCE, 4/1/2021)Fluctuating surface pressures on a bluff body exposed to a boundary layer flow generally are characterized as a spatiotemporally varying random field. In this paper, a dynamic mode decomposition (DMD) was applied to extract ... -
Model Updating Methods Using Complex Eigenvalues: Sensitivity-Based versus Cross-Model Cross-Mode
(ASCE, 4/1/2021)This study proposes iterative methods for updating damping and stiffness matrices of a finite-element model based on measured complex eigenvalues, i.e., poles, which could have been obtained accurately by using various ... -
Pressurized Sand Damper for Earthquake and Wind Engineering: Design, Testing, and Characterization
(ASCE, 4/1/2021)This paper presents the development, testing, and characterization of an innovative low-cost fail-safe sustainable energy-dissipation device in which the material surrounding the moving piston and enclosed within the damper ... -
New Family of Explicit Structure-Dependent Integration Algorithms with Controllable Numerical Dispersion
(ASCE, 3/1/2021)Direct integration algorithms are effective methods to solve the temporally discretized differential equations of motion for structural dynamics. Numerous researchers have worked out various algorithms to achieve desirable ... -
Thermodynamic Modeling of the Elastoplastic-Damage Model for Concrete
(ASCE, 4/1/2021)A new coupled damage-plastic constitutive model is presented for modeling the nonlinear behavior of concrete in the small strain space. The active damage tensor concept and the closure effect are presented by considering ... -
Linear and Nonlinear Flutter of Supersonic Panels of Various Shapes
(ASCE, 3/1/2021)A fluid-structure model based on nonlinear Mindlin-Reissner plate theory and linearized piston theory is used to study the aeroelastic flutter of panels of arbitrary planforms at supersonic Mach numbers. A finite-element ... -
Load Capacity of Tethered Floating Membrane Cylinder
(ASCE, 4/1/2021)The nonlinear problem of an inflated, partially-floating membrane cylinder with a bottom load is studied by perturbation and numerical integration. The solutions can be classified into stages as the load is increased. Stage ... -
Fast Hilbert–Wavelet Simulation of Nonstationary Wind Field Using Noniterative Simultaneous Matrix Diagonalization
(ASCE, 3/1/2021)The frequency content and spatial correlation of nonstationary wind fields during extreme events typically present time-variant characteristics. Several effective schemes [e.g., using evolutionary power spectral density ... -
Novel Undrained Servomechanism in Discrete-Element Modeling and Its Application in Multidirectional Cyclic Shearing Simulations
(ASCE, 3/1/2021)Multidirectional shearing of granular soils involves shearing more than one shear stress component, and thus may result in more-complex soil responses than unidirectional shearing. This study developed an advanced numerical ... -
Numerical Simulation of the Daikai Station Subway Structure Collapse due to Sudden Uplift during Earthquake
(ASCE, 3/1/2021)The Daikai Station subway structure in Japan completely collapsed during the Hyogoken-Nanbu earthquake that occurred on January 17, 1995. Based on the numerical results obtained by two-dimensional finite-element analysis, ... -
Nonlinear Rigid–Flexible Multibody Modeling of Arching Masonry Walls Subjected to Blast Loading
(ASCE, 3/1/2021)The blast response of arching masonry walls is a challenging and complex structural mechanism that involves a range of physical phenomena, such as rocking, cracking, unloading and reloading effects, dynamic variation of ... -
Two-Dimensional Finite-Element Simulation of Periodic Barriers
(ASCE, 2/1/2021)A novel kind of seismic isolation technique called “Periodic Barriers,” which combines trench-type wave barriers and metamaterial, is introduced in this research. Metamaterial possesses a unique frequency-selective property ... -
Force Estimation and Event Localization (FEEL) of Impacts Using Structural Vibrations
(ASCE, 3/1/2021)Force applied and location it occurred are of growing interest for smart buildings, particularly in the area of human activity. The ability to localize human activity through the vibrations caused by the activity on the ... -
Numerical Study of Roll Wave Characteristics Based on Navier-Stokes Equations: A Two-Dimensional Simulation
(ASCE, 2/1/2021)Roll waves are frequently observed in the spillway chutes of hydropower stations, flood discharge channels, and diversion canals. In order to understand the physical characteristics of roll waves in detail, a full ... -
Coefficient of Variation of Shear Strength of RC Beams and Size Effect
(ASCE, 2/1/2021)In shear failure, reinforced concrete (RC) beams always develop, in a stable manner, a finite length crack before the maximum load is reached. Thus, the crack tip location cannot sample a large volume of material with ... -
Gust Buffeting and Aerodynamic Admittance of Structures with Arbitrary Mode Shapes. II: A POD-Based Interpretation
(ASCE, 1/1/2021)Studies carried out on gust buffeting and aerodynamic admittance show that mode shape represents a sort of watershed. If the mode does not change sign along the structure axis, the problem admits a robust conceptual ... -
Structure- and Sampling-Adaptive Gait Balance Symmetry Estimation Using Footstep-Induced Structural Floor Vibrations
(ASCE, 2/1/2021)This paper presents a structure- and sampling-adaptive approach for analyzing human footstep-induced structural floor vibrations to estimate footstep ground reaction forces (GRFs) and gait balance symmetry. Balance symmetry ... -
Three-Dimensional Characterization and Evaluation of Aggregate Skeleton of Asphalt Mixture Based on Force-Chain Analysis
(ASCE, 2/1/2021)Aggregates in contact constitute the skeleton of the asphalt mixture and affect load transmission in the mixture, which determines its deformation resistance. The objective of this study is to characterize the aggregate ... -
Comparison of Magnetorheological Damper Models through Parametric Uncertainty Analysis Using Generalized Likelihood Uncertainty Estimation
(ASCE, 2/1/2021)Magnetorheological (MR) dampers provide a viable alternative for vibration control of structures subjected to external excitations. Realistic modeling of MR dampers is critical for control development and structural design. ...