Results 41 to 50 of about 2,512 (192)
Time-history analysis method for soil-underground structure system based on equivalent linear method
Yantu gongcheng xuebao, 2018 Site seismic analysis plays an important role in the practical seismic design of underground structures, and the equivalent linear method is a widely-used approach for the seismic response analysis of one-dimensional soil layer.
DU Xiu-li , XU Zi-gang , XU Cheng-shun , LI Yang , JIANG Jia-wei
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Applied Sciences, 2021 In this paper, the vibration analysis of a partially constrained layer damping plate subjected to moving loads is investigated. In addition, the first four order damping loss factor of the system is optimized with the location of partially constrained ...
Yun Qin +3 more
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Fast frequency response computation for Rayleigh damping [PDF]
International Journal for Numerical Methods in Engineering, 2007 AbstractWe present a model reduction Lanczos method for the computation of frequency response functions of Rayleigh damping problems. The connection with modal extraction and modal superposition is made. The usual model reduction methods require complex arithmetic. With the proposed method, complex arithmetic is only used for the reduced problem.
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The Filament Extension Atomization Process for Powder Production of Elastic Fluids
Chemie Ingenieur Technik, EarlyView.Filament extension atomization is a promising technique for spraying a wide range of materials, enabling narrow droplet size distributions. This study examines the behavior of various fluids and suspensions to define application limits and identify optimal operating conditions.
Moritz Neukötter +4 more
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Stability of Viscous Three‐Dimensional Stratified Couette Flow via Dispersion and Mixing
Communications on Pure and Applied Mathematics, EarlyView.ABSTRACT This article explores the stability of stratified Couette flow in the viscous 3d$3d$ Boussinesq equations. In this system, mixing effects arise from the shearing background, and gravity acts as a restoring force leading to dispersive internal gravity waves.
Michele Coti Zelati +2 more
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Earthquake Engineering &Structural Dynamics, EarlyView.ABSTRACT This paper illustrates opportunities for the use of simulated ground motions in seismic performance assessment – from seismic hazard, ground‐motion selection, response history analysis, and seismic demand hazard calculation. The illustration is through a comparative analysis with the conventional alternative of observed ground motions.
Vahid Loghman +2 more
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Equivalent Modal Damping Ratios of a Composite Tube-Type Tall Building to Dynamic Wind Loading
Shock and Vibration, 1996 This article discusses computing methods of the equivalent modal damping ratio for a composite tube-type tall building. The equivalent damping ratio of a composite structure under wind-induced vibrations encompasses the combined effects from the ...
B.C. Huang +3 more
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Applied Sciences, 2019 Aerodynamic damping predictions are critical when analyzing aeroelastic stability. A novel method has been developed to predict aerodynamic damping by employing two single time-domain simulations, specifically, one with the blade impulsed naturally in a ...
Jianxiong Li +4 more
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Sensitivity of 3D Base‐Isolated Buildings to Individual Isolator Variability
Earthquake Engineering &Structural Dynamics, EarlyView.ABSTRACT Variability in elastomeric isolators arises from differences in rubber formulation and curing, leading to noticeable changes in stiffness and damping among nominally identical bearings. While most previous studies have examined global isolator variability associated with environmental or aging effects, individual isolator variability has ...
Norouz Jahan, Niel C. Van Engelen
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Unusual properties of adiabatic invariance in a billiard model related to the adiabatic Piston problem [PDF]
Theoretical and Applied MechanicsWe describe the point spectra of some dissipative version of the celebrated “Rayleigh loaded string”, an elastic string of finite length carrying a number n ⩾ 1 of equally spaced, equal point masses, which is a basic model that exhibits a band structure ...
Skinner Joshua, Neishtadt Anatoly
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