Academic literature on the topic 'Back plane testing'

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Journal articles on the topic "Back plane testing"

1

Golinski, W. Z., and R. Gentle. "The influence of seat back rake on ligament loadings in rear-end impact." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 2 (2005): 197–205. http://dx.doi.org/10.1243/095440705x6541.

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A biomechanical finite element (FE) model of the 50th percentile male human cervical spine, capable of predicting ligament loadings in whiplash scenarios, has been developed and previously reported. The study reported here analyses the influence of seat back rake on ligament injury in two scenarios: firstly, the in position, where the car occupant is looking forward and the head remains in the sagittal plane, and, secondly, the out of position, where the car occupant is initially looking slightly to one side. In both cases the results show an increase in ligament loading with a decrease of sea
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2

Bagheri, Rasool, Ismail Ebrahimi Takamjani, Mohammad R. Pourahmadi, et al. "Trunk–Pelvis Kinematics Variability During Gait and Its Association With Trunk Muscle Endurance in Patients With Chronic Low Back Pain." Journal of Applied Biomechanics 36, no. 2 (2020): 76–84. http://dx.doi.org/10.1123/jab.2019-0322.

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The first purpose was to investigate the trunk muscle endurance, the second aim was to evaluate the trunk–pelvis kinematics during gait, and the third was to evaluate the relationship between trunk–pelvis kinematics and the trunk muscle endurance. Thirty participants (15 nonspecific chronic low back pain [NCLBP] and 15 healthy) were included. The authors first assessed trunk muscle endurance on endurance testing protocols. The authors next measured the trunk–pelvis kinematics during gait using a 3-dimensional motion capture system. Angular displacement, waveform pattern (CVp), and offset varia
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3

Ferguson, Sue A., William S. Marras, and Robert R. Crowell. "Three-Dimensional Functional Capacity of Normals and Low Back Pain Patients." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 40, no. 14 (1996): 737–41. http://dx.doi.org/10.1177/154193129604001404.

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Most current functional capacity evaluations focus on sagittal range of motion, strength testing as well as simulation of daily activities and job tasks as measures of wellness. The goal of this study was to evaluate the dynamic functional motion capacity of normals and low back pain patients in the three cardinal planes of the body. The hypothesis was that injury would not only affect sagittal motion but also lateral and twisting motions that would load the spine in a different manner. Trunk motion parameters of range of motion (ROM), velocity and acceleration were measured in all three plane
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4

Fahr, Payam, Murat Yazici, and Arun Shukla. "Shock response of filled corrugated sandwich structures under extreme temperatures." Journal of Sandwich Structures & Materials 20, no. 1 (2016): 130–49. http://dx.doi.org/10.1177/1099636216650987.

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Shock tube experiments were performed to investigate the blast response of corrugated steel cellular core sandwich panels filled with a silicone based syntactic foam at room and high temperatures. The syntactic foam filler was prepared by mixing a two-part silicone mixture with glass microspheres; its microstructure, and mechanical properties were also characterized. The syntactic foam-filled sandwich panels were loaded via air shock pressure by using the shock tube with a fixture capable of testing materials at temperatures up to 900℃. High-speed photo-optical methods, digital image correlati
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5

Chen, Wen Chin, Pen Hsi Liou, and Bo Jui Chen. "Optimization Design for the Longitudinal Structure of LED Light Guide Plate Using Soft Computing." Advanced Materials Research 690-693 (May 2013): 2994–3000. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2994.

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The study proposes an optical optimal design system of light guide plate (LGP). The optimization design is conducted in the longitudinal structure of the LGP incidence plane with 3-piece LED light source. Taguchi method is also used in carrying out the design of experiment through the TracePro, optical analysis software, and the experiment data were employedd as the back-propagation neural network (BPNN) training and testing samples, and then created an optical quality predictor of the longitudinal structure; BPNN can predict the impact of incidence plane luminance versus the different constru
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6

Sugeta, Atsushi, and Yoshihiko Uematsu. "In-Situ Atomic Force Microscopy and Crystallo Graphic Orientation Analysis of Small Fatigue Crack Deflection Behavior." Key Engineering Materials 345-346 (August 2007): 227–30. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.227.

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Successive observation of transgranular small fatigue crack growth behavior of alpha-brass was performed by means of an atomic force microscope (AFM) equipped with small in-plane bending fatigue testing machine. The fatigue crack deflection behavior, which was observed frequently in the low growth rate region, was investigated by the crystallographic orientation analysis based on the Electron Back Scatter Diffraction (EBSD) technique. The slip factor considering the slip system and singular stress field at the crack tip was introduced in order to evaluate the easiness of slip deformation inste
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7

Giongo, Ivan, Dmytro Dizhur, Roberto Tomasi, and Jason M. Ingham. "In-Plane Assessment of Existing Timber Diaphragms in URM Buildings via Quasi-Static and Dynamic In Situ Tests." Advanced Materials Research 778 (September 2013): 495–502. http://dx.doi.org/10.4028/www.scientific.net/amr.778.495.

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Mechanical and dynamic in-plane properties of timber diaphragms are known to be key parameters when determining both the local and global seismic response of unreinforced masonry (URM) buildings. However, few data pertaining to experimental campaigns on this issue are available in the literature, especially regarding existing floors. In this work, the outcomes of a field testing campaign on full-scale old timber diaphragms are presented. Two specimens, whose size was 5.6 x 9.6 m2 and 4.7 x 9.6 m2 were obtained from a 17 x 9.6 m2 floor and were subjected to a series of both cyclic and snap back
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8

Korakakis, Vasileios, Kieran O’Sullivan, Argyro Kotsifaki, Yiannis Sotiralis, and Giannis Giakas. "Lumbo-pelvic proprioception in sitting is impaired in subgroups of low back pain–But the clinical utility of the differences is unclear. A systematic review and meta-analysis." PLOS ONE 16, no. 4 (2021): e0250673. http://dx.doi.org/10.1371/journal.pone.0250673.

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Background Altered spinal postures and altered motor control observed among people with non-specific low back pain have been associated with abnormal processing of sensory inputs. Evidence indicates that patients with non-specific low back pain have impaired lumbo-pelvic proprioceptive acuity compared to asymptomatic individuals. Objective To systematically review seated lumbo-pelvic proprioception among people with non-specific low back pain. Methods Five electronic databases were searched to identify studies comparing lumbo-pelvic proprioception using active repositioning accuracy in sitting
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9

Sugeta, Atsushi, Yoshihiko Uematsu, and M. Jono. "A Study on the Mechanism of Small Fatigue Crack Deflection Behavior in Alpha-Brass by Means of In Situ Atomic Force Microscopy and Crystallo-Graphic Orientation Analysis." Key Engineering Materials 353-358 (September 2007): 1225–28. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1225.

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Successive observation of transgranular small fatigue crack growth behavior of alpha-brass was performed by means of an atomic force microscope (AFM) equipped with small in-plane bending fatigue testing machine. In the low growth rate region after crack initiation, the fatigue crack grew in a zig-zag manner as a result of successive crack branching and deflection. The fatigue crack deflection behavior was investigated by the crystallographic orientation analysis based on the Electron Back Scatter Diffraction (EBSD) technique. The slip factor considering the slip system and singular stress fiel
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10

Fu, Jian, Jun Wei Zhang, and Ren Bo Tan. "A Straight-Line Trajectory Tomography Method Based on Multiple Tilted X-Ray Cone-Beams." Applied Mechanics and Materials 239-240 (December 2012): 238–42. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.238.

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A straight-line trajectory tomography method, based on multiple tilted X-ray cone-beams formed by multiple sources and detectors, is investigated. In this method, multiple cone-beams are fixed and tilted at different positions and only the object translates along a straight-line trajectory. This kind of imaging method may have potential applications in industry testing and security inspections. As is known, projection data from a straight-line trajectory based on single cone-beam are incomplete and their reconstruction suffers from a limited-angle problem. The proposed straight-line trajectory
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