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5861
Investigation of Swirling Flows in Mixing Chambers
Published 2011-01-01“…At larger Reynolds number, Re>15, more inertia caused the powerful swirling flows in the chamber, and more damping effect on diffusion was diminished, which then increased the mixing performance.…”
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5862
The Case Study of Pseudoexcitation Method Combining Self-Adaptive Gauss Integration in Random Vibration Analysis
Published 2019-01-01“…Finally, the influence of damping ratio of the bridge structure and train marshalling on vehicle-bridge coupled system is investigated to further verify the application of the proposed method. …”
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5863
Wave Propagation in L-Shape Beams with Piezoelectric Shunting Arrays
Published 2019-01-01“…A locally resonant gap is produced on the flexural and longitudinal waves, respectively, whose locations are nonoverlapped if the shunt damping is void. However, the longitudinal wave band gap can be completely overlaid by the flexural one when a proper shunting resistance is involved. …”
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5864
Dynamic Performance Analysis of Semiactive Vehicle ISD Suspension Based on the Power-Driven-Damper Strategy
Published 2024-01-01“…The influence of the semiactive damping coefficient, the spring stiffness, and the inertance on the vibration suppression performance is investigated based on the suspension S3. …”
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5865
Involvement of HMGB1 in Resistance to Tumor Vessel-Targeted, Monoclonal Antibody-Based Immunotherapy
Published 2016-01-01“…High mobility group box 1 (HMGB1) is a member of the “danger associated molecular patterns” (DAMPs) than can localize in various compartments of the cell (from the nucleus to the cell surface) and subserve different functions accordingly. …”
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5866
Nonlinear Dynamics Modeling and Subharmonic Resonances Analysis of a Laminated Composite Plate
Published 2020-01-01“…The influence of relevant parameters, such as excitation amplitude, tuning parameter, and damping coefficient, on the nonlinear dynamic response of the system is analyzed.…”
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5867
Global well-posedness and optimal decay rates for the $ n $-D incompressible Boussinesq equations with fractional dissipation and thermal diffusion
Published 2024-12-01“…In the case $ \alpha $ = 0, we obtained the regularity and decay estimate of the damped Boussinesq equation in Besov space.…”
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5868
Study on Galloping Oscillation of Iced Catenary System under Cross Winds
Published 2017-01-01“…In addition, the effects of structural damping, initial icing angle, and wind velocity on the system responses are investigated.…”
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5869
Ride Performance Analysis of Half-Car Model for Semi-Active System Using RMS as Performance Criteria
Published 2009-01-01“…However results for the rear and front suspension deflection show that there are limiting values of damping coefficient beyond which, the semi-active scheme becomes disadvantageous than the passive system.…”
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5870
Dynamic Response of Rock Slopes under Obliquely Incident Seismic Waves
Published 2020-01-01“…The model includes viscoelastic boundary considering the infinite foundation radiation damping and the seismic obliquely incident method. …”
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5871
Influence of Turbulence, Orientation, and Site Configuration on the Response of Buildings to Extreme Wind
Published 2014-01-01“…The methodology presented can be followed to help decision makers to choose among innovative solutions like aerodynamic mitigation, structural member size adjustment, and/or damping enhancement, with an objective to improve the resiliency and the serviceability of buildings.…”
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5872
Dynamic Behavior of a Suspended Steel Space Frame-Glass Composite Floor
Published 2021-01-01“…Finally, the effect of the damping ratio on the acceleration response of the floor was numerically demonstrated with the verified local FE model.…”
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5873
Measurement-Based Modal Analysis and Stability Prediction on Turn-Milling of Hollow Turbine Blade
Published 2020-01-01“…An extremum method was employed to obtain an equivalent FRF curve, from which the modal parameters involving the natural frequency, damping ratio, and stiffness were computed. Afterwards, the semidiscretization method was used to draw a stability lobe diagram to predict the stability when turn-milling hollow blades. …”
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5874
Thermomechanical Impact of Polyurethane Potting on Gun Launched Electronics
Published 2013-01-01“…The purpose of the potting is to provide additional structural support and shock damping. Researchers at the US Army recently completed a series of dynamic mechanical tests on a urethane-based potting material to assess its behavior in an electronics assembly during gun launch and under varying thermal launch conditions. …”
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5875
Aeroelastic Flutter and Sliding Mode Control of Wind Turbine Blade
Published 2020-01-01“…Flutter is an important form of wind turbine blade failure. Based on damping analysis, synthetically considering aeroelastic vibration instability of the blade and using the parameter fitting method, the aeroelastic flutter model of the pretwisted blade is built, with the simulation and emulation of flap and lead-lag directions flutter of the 2D dangerous cross section realized. …”
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5876
Electron Number Density and Coherence Length of Boson-Fermion Pair in HTSC
Published 2022-01-01“…Previously, it has been shown that the quantum coherence of the two-component BEC (boson and fermion condensates) is controlled by plasmons where <1% of plasmon energy mediates the charge pairing but most of the plasmon energy is used to overcome the modes that compete against superconductivity such as phonons, charge density waves, antiferromagnetism, and damping effects. The dependence of plasmon frequency on the material of a superconductor reveals that modes within a specific range of frequency enhance superconductivity and therefore affect the critical temperature of a particular superconducting material. …”
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5877
Modelling of Spacecraft Dynamics at Deployment of Large Elastic Structure
Published 2012-01-01“…The deployment of a flexible pantograph structure is performed after placing the spacecraft into orbit and completion of the preliminary damping by a special jet-propelled system, and after uncaging the gyros. …”
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5878
Analysis of Vibration Control of Nonlinear Beam Using a Time-Delayed PPF Controller
Published 2020-01-01“…The analysis illustrates that the appearance of time delay and the elimination of controller damping coefficient are the two main factors to enhance the nonlinear characteristics of the controlled system. …”
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5879
Experimental and Numerical Investigation on Dynamic Properties and Human-Induced Vibrations of an Asymmetric Steel-Plated Stress-Ribbon Footbridge
Published 2021-01-01“…Results show that the bridge is characterized by closely spaced modes with low natural frequencies and small damping ratios (<0.002). A sophisticated finite element model that incorporates pretension of the stress ribbon and contribution of deck panels is developed and proven to be capable of reflecting the main dynamic characteristics of the bridge. …”
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5880
Comprehensive Review Comparing the Development and Challenges in the Energy Performance of Pneumatic and Hydropneumatic Suspension Systems
Published 2025-01-01“…This review also discusses new trends in HPS development, such as the effect of a pressure fluctuation damper (PFD) placed in a hydraulic cylinder on the damping performance index (DPI) of an HPS under off-road driving conditions. …”
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