Results 31 to 40 of about 140,635 (310)

Wave dissipation by flexible vegetation

open access: yes, 2011
Dissipation of waves propagating through natural salt marsh vegetation was about half the dissipation expected for rigid vegetation. This low dissipation was predicted by a theoretical model that accounts for bending of vegetation by wave motions.
Riffe, Kassi C.   +8 more
core   +1 more source

SMA-Activated Double-Stage Yielding BRB: Experimental and FEM Insights

open access: yesBuildings
To address the limitations of traditional buckling-restrained braces (BRB), which feature a single-stage yielding and inadequate energy dissipation under small earthquakes, this study proposes a novel double-stage yielding buckling-restrained brace (DSY ...
Huijie Huang   +4 more
doaj   +1 more source

Energy Evolution and Mechanical Features of Granite Subjected to Triaxial Loading-Unloading Cycles

open access: yesAdvances in Civil Engineering, 2019
Energy evolution varies during the whole process of rock deformation, and mechanical parameters are markedly altered under cyclic loading and unloading.
Feng Pei, Hongguang Ji, Tongzhao Zhang
doaj   +1 more source

Excess energy and photosynthesis: responses to seasonal water limitations in co-occurring woody encroachers of the semi-arid Southern Great Plains

open access: yesPhotosynthetica, 2023
Woody plant areal encroachment is pervasive throughout the Southern Great Plains, USA. The ability of woody plants to dissipate excess solar radiation - dynamically over the day and sustained periods without recovery overnight -is key for maintaining ...
H.D. RAUB   +3 more
doaj   +1 more source

Rail hidden damage detection based on the modal curvature differences method

open access: yesAdvances in Mechanical Engineering
The rail hidden damage includes rail bottom and rail jaw cracks, which cannot be easily detected during the early development stage, and pose a significant danger and risk of rail-breaking accidents. This paper proposed an effective method to detect rail
Weirong Li   +4 more
doaj   +1 more source

Energy‐Dissipating Polymeric Silicone Surfactants [PDF]

open access: yesMacromolecular Rapid Communications, 2020
AbstractMaterials that are able to withstand impact loadings by dissipating energy are crucial for a broad range of different applications, including personal protective applications. Shear‐thickening fluids (STFs) are often used for this purpose, but their preparation is still limited, in part, to high production costs.
Kyle Faiczak   +2 more
openaire   +2 more sources

Adaptive Observer for Coupled Wave PDE and Infinite ODE With Sampled Data and Unknown Input: Application to Brain Hemodynamics Estimation

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This article proposes a convergent adaptive observer for a damped wave PDE and an infinite‐dimensional ODE coupled in cascade using sampled‐in‐space ODE state measurements. The proposed observer estimates the distributed states of the PDE and ODE along with unknown PDE parameters and spatial input.
Zehor Belkhatir   +2 more
wiley   +1 more source

Experimental study on energy dissipation and fragmentation characteristics of gas-bearing coal under combined dynamic and static loading

open access: yesMeitan xuebao
To explore the energy dissipation and fragmentation characteristics of gas-bearing coal under combined dynamic and static load, the impact experiment of gas-bearing coal under different impact velocities and axial compressive stress ratios was carried ...
Huaiqian LIU   +6 more
doaj   +1 more source

Parametric study of the energy dissipation by a suspension system [PDF]

open access: yes
This study examines the energy dissipation characteristics of a nonlinear vehicle suspension system. The suspension system is described as a nonlinear mass-spring-damper system, which is developed using the output frequency response function (OFRF ...
Diala, U., Sani, G.
core   +1 more source

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