نتایج جستجو برای: static flexure
تعداد نتایج: 111315 فیلتر نتایج به سال:
With flexure-based micro-positioning stages (MPSs) being in high demand for high-precision applications, the performance and cost of MPSs are two issues that urgently need to be addressed. In addition, current developed toward complex spatial configurations, which further precludes monolithic fabrication. To address aforementioned issues, modular using designed standardized modules introduced t...
Six RC short-limb shear walls with an L-shaped section, constructed high-strength rebar and concrete, were loaded to destruction pseudo-static loading. Experimental results discussed compared horizontal in detail. Different failure modes obtained, such as flexure-dominated for specimens aspect ratio of 2.8 2.15 bending-shear 1.75. With a decrease the ratio, ductility decreased, whereas increase...
Beam samples containing cranial sutures were prepared from embalmed and unembalmed cranial bone and were tested to determine their flexural stiffness and strength. With the aid of layered beam theory, the flexural stiffnesses of beams containing cranial sutures were compared to hypothetical layered cranial bone beams which did not contain sutures. The bending stiffnesses and strengths of crania...
This paper presents an experimental study of laser interferometry-based closed-loop motion tracking for flexure-based four-bar micro/nano manipulator. To enhance the accuracy of micro/nano manipulation, laser interferometry-based motion tracking control is established with experimental facility. The authors present and discuss open-loop control, model-based closed-loop control, and robust motio...
Abstract This work investigates the potential of improving mechanical performance braided composite beams through introduction local braid angle variations. Tubular with a 45°/60°/45° length-wise (axial) variation were manufactured and tested in quasi-static three-point flexure their was compared having layer-wise (radial) [±60°/±45°/±45°] variation. Compared to uniform angles, axial tailoring ...
Splenic flexure volvulus is rare, only 22 cases having been reported. Though these usually present with chronic intermittent clinical features we recently encountered a case presenting as acute intestinal obstruction which, on plain abdominal X-rays, had classical features of this condition.
In this paper, a new approach using mobile sensor networks is proposed for structural health monitoring. Compared with static sensors, mobile sensor networks offer flexible system architectures with adaptive spatial resolutions. The paper describes the design concept of a flexure-based mechatronic (flexonic) mobile sensing node and its application in structural health monitoring. The flexonic m...
Ann R Coll Surg Engl 2012; 94: 359–372 Many lower extremity, pelvic and acetabular fractures require traction as first aid management prior to definitive fixation. While skin traction and Thomas splints are generally available, weights to provide countertraction are often missing or in parts of the hospital remote to the emergency department. A sharps bin (Sharpsguard® orange 11.5; Daniels, Oxf...
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