نتایج جستجو برای: impact loading
تعداد نتایج: 831871 فیلتر نتایج به سال:
Current research accomplished with the aim of investigating the impact of workplace spirituality on self-control of human resources in Ilam gas refining company. This study in terms of goal and research type has been consumed an applied and descriptive-correlation research, respectively. Research population has been the mentioned company experts and the sample size determined 228 persons by usi...
Nikander Riku Exercise Loading and Bone Structure Jyväskylä: University of Jyväskylä 2009, 97 p. (Studies in Sport, Physical Education and Health ISSN 0356-1070; 136) ISBN 978-951-39-3597-9 (PDF), 978-951-39-3570-2 (nid.) Finnish Summary Diss. The objective of this dissertation was to determine the types of exercise loading that are associated with the strength of bones. Four cross-sectional st...
This paper is an investigation of low rate loading of the shoulder. The paper first presents a review of the literature on the impact tolerance of the shoulder in high and low rate loading conditions. Currently, there are no injury criteria, nor biofidelic anthropomorphic test dummies for these low rate scenarios. This study investigates dummy loading situations that are known to be non-injurio...
this study investigated the influence of nanoclay on the impact damage resistance of glass fiber-epoxy composites under high velocity ice impact loading. addition of 0.5 wt. % nanoclay into epoxy was shown to improve damage resistance compared to composite plates having no nanoclay platelet. the glass fiber-epoxy composites containing nanoclay brought about substantial improvement in ice impact...
Proper securement of wheelchairs in motor vehicles is vital to providing wheelchair users an adequate level of safety in a crash. Thus far, wheelchair tiedown and occupant restraint systems (WTORS) loading has mostly been examined under frontal impact conditions. Because of the inherent crash dynamic differences, rear-impact loading of WTORS is expected to differ greatly. In this study, three i...
In this research, the numerical and experimental analysis of the carbon fiber composite lattice conical structure has been performed to assess the buckling stability of the structure before and after the lateral impact. In the experimental analysis, the carbon fiber composite lattice conical structure was constructed with the winding method and using elastic molds and metal mandrel. In or...
The effect of the direction of the impact and the presence of axial loading on fracture patterns have not yet been established in experimental 3-point bending studies. PURPOSE To reveal the association between the direction of the force and the fracture pattern, with and without axial loading. MATERIAL AND METHODS A Dynatup Model POE 2000 (Instron Co.) low energy pendulum impact machine was...
Objective: Femur is the strongest, longest and heaviest bone in the human body. Due to the great importance of femur in human body, its injury may cause large numbers of disabilities and mortality. Considering various effective parameters such as mechanical properties, geometry, loading configuration, etc. can propel the study to the trustable results.. Methods: A 3D finite element model of the...
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