Results 31 to 40 of about 3,634 (300)

Enhancing Dynamic Bandwidth of Amplified Piezoelectric Actuators by a Hybrid Lever and Bridge-Type Compliant Mechanism

open access: yesActuators, 2022
Ongoing interests in high-speed precision actuation continuously sparks great attention on developing fast amplified piezoelectric actuators (APAs) with compliant mechanisms. A new type of APA with enhanced resonance frequency is herein reported based on
Mingxiang Ling   +4 more
doaj   +1 more source

Experimental and numerical study on concrete beams reinforced with Basalt FRP bars under static and impact loads [PDF]

open access: yes, 2021
The application of fiber-reinforced-polymer (FRP) bars to reinforce concrete structures could mitigate the corrosion-induced damage of steel reinforcements.
Tran, T.T.   +10 more
core   +1 more source

Differentiation and Distribution of Marrow Stem Cells in Flex-Flow Environments Demonstrate Support of the Valvular Phenotype. [PDF]

open access: yesPLoS ONE, 2015
For treatment of critical heart valve diseases, prosthetic valves perform fairly well in most adults; however, for pediatric patients, there is the added requirement that the replacement valve grows with the child, thus extremely limiting current ...
Sasmita Rath   +3 more
doaj   +1 more source

FRP Poles: A State-of-the-Art-Review of Manufacturing, Testing, and Modeling

open access: yesBuildings, 2022
Fiber-reinforced polymers poles were on the increase because they were lightweight, have high strength-to-weight ratios, provide corrosion resistance, can be customized to meet strength and deflection requirements, and have a low life-cycle cost of ...
Ahmed M. EL-Fiky   +6 more
doaj   +1 more source

Experimental investigation of properties of GFRP foam cored sandwich joints

open access: yesMATEC Web of Conferences, 2018
Presented paper focuses on intermediate outcomes of the bilateral project between the Faculty of Mechanical Engineering, STU in Bratislava, Slovakia and the Institute of Automotive and Transport Engineering, UBFC in Nevers, France.
Gulanová Jana   +3 more
doaj   +1 more source

Effect of Hot-Wet Storage Aging on Mechanical Response of a Woven Thermoplastic Composite

open access: yesAerospace, 2020
The effect of hot-wet storage aging on the mechanical response of a carbon fiber polyether ether ketone (PEEK)-matrix woven composite has been studied. A wide range of static loads and selected cyclic load tests on the interlaminar fatigue strength were ...
Theofanis S. Plagianakos   +5 more
doaj   +1 more source

Flexural behaviour of selected plants under static load [PDF]

open access: yes, 2010
Abstract. One of the principal purposes of soil bioengineering is the application of vegetation layers from a civil engineering point of view. Living plants are used to reinforce slopes and to control erosion. For a standardised implementation, it is essential to quantify the effectiveness and to assess technical parameters for such bioengineering ...
Sutili, F. J.   +4 more
openaire   +2 more sources

Flexure of thick orthotropic plates by exponential shear deformation theory

open access: yesLatin American Journal of Solids and Structures
In the present paper, a variationally consistent exponential shear deformation theory taking into account transverse shear deformation effect is presented for the flexural analysis of thick orthotropic plates.
A. S. Sayyad
doaj   +1 more source

Non-dimensional approach for static balancing of rotational flexures

open access: yesMechanism and Machine Theory, 2015
Abstract This work presents a general method of statically balancing flexural hinges. Using a set of non-dimensional parameters, we show that one can quickly design a statically balanced rotational flexure. First, a balancing method is developed for an idealized hinge/torsion spring system.
Ezekiel G. Merriam, Larry L. Howell
openaire   +2 more sources

A refined shear deformation theory for flexure of thick beams

open access: yesLatin American Journal of Solids and Structures
A Hyperbolic Shear Deformation Theory (HPSDT) taking into account transverse shear deformation effects, is used for the static flexure analysis of thick isotropic beams. The displacement field of the theory contains two variables.
Yuwaraj M. Ghugal, Rajneesh Sharma
doaj   +1 more source

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