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Journal articles on the topic 'Back plane testing'

Author: Grafiati

Published: 6 September 2023

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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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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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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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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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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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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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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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Callaghan, Jack P., Samuel J. Howarth, and Tyson A. C. Beach. "Validation of occupational estimates of cumulative low-back load." Occupational Ergonomics 10, no. 3 (2012): 113–24. http://dx.doi.org/10.3233/oer-2012-0196.

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In most genuine industrial settings, it is not yet feasible to directly measure in vivo tissue loads, nor is it practical to estimate dynamic load-time histories using biomechanical models. Thus, data extrapolation techniques are often used for obtaining occupational estimates of shift or daily cumulative low-back load exposures. These techniques are reliant on the assumption that the observed duty cycle of apparently stereotypical work is consistent over long working durations. This investigation evaluated the validity of this assumption using a controlled laboratory-based repetitive lifting

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Chen, Wen-Chin, Pen-Hsi Liou, and Bo-Jui Chen. "An Optimization System Applied in Optical Design of LED Light Guide Plate." Open Mechanical Engineering Journal 7, no. 1 (2013): 108–15. http://dx.doi.org/10.2174/1874155x01307010108.

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Most of the small and medium-sized backlight modules are applied to a small amount of various products. Since the time to design a product is rigid and the light guide plate (LGP) is the key component that affects the quality of backlight modules, photovoltaic industries can enhance the core competence if they are able to develop high standard light guide plates with fast and efficient methods. 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 three LED light sources

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13

Xin, Ke, Wei Zuo, and Jing Feng Zhi. "Automatic Testing Equipment and Experiments Based on the Quantitative Shadow Method for Measuring Sub-Nanometer Deformations on Aspheric Surface." Key Engineering Materials 375-376 (March 2008): 608–13. http://dx.doi.org/10.4028/www.scientific.net/kem.375-376.608.

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A novel quantitative shadow testing equipment is presented based on the digital imageprocessing technique for characterizing local surface deformations on optical surface. Two magnetic stepping motors control the positions of the knife-edge for cutting the wave-front reflected back from the aspheric surface separately. At each position of the knife-edge blocking the image on the focal plane, it is recorded and analyzed by an image-processing set-up behind the knife-edge under computer control. Based on a group of images recorded, the analysis of local slopes is performed by picking up characte

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14

Niimi, Ryosuke, and Kazuhiko Yokosawa. "Viewpoint Dependence in the Recognition of Non-Elongated Familiar Objects: Testing the Effects of Symmetry, Front-Back Axis, and Familiarity." Perception 38, no. 4 (2009): 533–51. http://dx.doi.org/10.1068/p6161.

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Visual recognition of three-dimensional (3-D) objects is relatively impaired for some particular views, called accidental views. For most familiar objects, the front and top views are considered to be accidental views. Previous studies have shown that foreshortening of the axes of elongation of objects in these views impairs recognition, but the influence of other possible factors is largely unknown. Using familiar objects without a salient axis of elongation, we found that a foreshortened symmetry plane of the object and low familiarity of the viewpoint accounted for the relatively worse reco

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15

Kumar, V. Ram, and M. L. Munjal. "Plane wave frequency domain analysis of resonance free pipes with moving medium." Noise Control Engineering Journal 67, no. 6 (2019): 467–82. http://dx.doi.org/10.3397/1/376743.

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Mufflers are inevitably a significant part of the exhaust systems of automobiles for bringing down the tail-pipe noise levels. Nevertheless, howsoever well-optimized a reasonably large muffler volume be (with respect to insertion loss, back pressure, breakout noise, flow noise, etc.), there are inevitably acoustic modes present, which lead to peaks in the noise levels and corresponding troughs in the insertion loss (IL) of an exhaust baseline. These acoustic modes are: (i) muffler internal modes, (ii) axial pipe modes and (iii) system modes. Of these, the axial pipe mode is the most detrimenta

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16

Jeon, Gwang-Hun, Philip Ayiku Dzagbletey, and Jae-Young Chung. "A Cross-Joint Vivaldi Antenna Pair for Dual-Pol and Broadband Testing Capabilities." Journal of Electromagnetic Engineering and Science 21, no. 3 (2021): 201–9. http://dx.doi.org/10.26866/jees.2021.3.r.27.

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The non-standalone 5G antenna wireless communication standard and devices operating under Wi-Fi 5, 6, and 6E operate at the 3 GHz frequency bands and above. With the increasing demand for these devices and technologies, it is crucial to test them rapidly and economically for commercial usage. This paper presents a dual-polarized Vivaldi antenna for the over-the-air (OTA) measurement of wireless communication devices used in the 3–7 GHz band. The dual-polarization performance is realized by vertically intersecting two planar Vivaldi antennas and soldering them at the back end. A three-step 1/4

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17

Rawlings, G. E. "Active slide in Tertiary bentonitic claystones, Upper Hat Creek, British Columbia." Canadian Geotechnical Journal 23, no. 2 (1986): 164–73. http://dx.doi.org/10.1139/t86-026.

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Potential exploitation of the 500 m thick coal deposit at Upper Hat Creek, British Columbia, required detailed investigation of the sequence of Tertiary tuffaceous rocks surrounding the coal and the overlying surficial materials. Studies have shown that extensive bentonitic slide deposits partially cover the coal body on the west side of Hat Creek valley; part of this area is currently active. A translational debris slide of approximately 17 × 106 m3 volume and 2 km length is moving across the northwest boundary of the proposed pit into the valley bottom.Detailed field investigations complemen

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18

Kelly, M. A., N. Morelli, H. L. Clayton, A. M. Parks, N. R. Heebner, and M. C. Hoch. "A-25 The Effect of Cognitive Dual-Tasks on Dynamic Postural Sway During Sub-Maximal Gait on a Treadmill." Archives of Clinical Neuropsychology 35, no. 5 (2020): 621. http://dx.doi.org/10.1093/arclin/acaa036.25.

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Abstract Objective To investigate the effect of a cognitive task on postural control during treadmill walking. We hypothesized that postural sway acceleration would decrease during dual-task compared to single-task gait. Method Ten (5 females, 5 males) physically active, healthy young adults (Age: 22.50 ± 3.01) with no history of cognitive deficits or head injury were recruited from a University campus for this cross-sectional study. Participants reported to a biomechanics laboratory for a single testing session and completed two, 5-minute walking trials on a treadmill at 90% of maximal gait-s

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19

Gill, John D., Vincent R. Capece, and Ronald B. Fost. "Experimental Methods Applied in a Study of Stall Flutter in an Axial Flow Fan." Shock and Vibration 11, no. 5-6 (2004): 597–613. http://dx.doi.org/10.1155/2004/596706.

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Flutter testing is an integral part of aircraft gas turbine engine development. In typical flutter testing blade mounted sensors in the form of strain gages and casing mounted sensors in the form of light probes (NSMS) are used. Casing mounted sensors have the advantage of being non-intrusive and can detect the vibratory response of each rotating blade. Other types of casing mounted sensors can also be used to detect flutter of rotating blades. In this investigation casing mounted high frequency response pressure transducers are used to characterize the part-speed stall flutter response of a s

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20

Guihard, Vincent, Frédéric Taillade, Jean-Paul Balayssac, Barthélémy Steck, and Julien Sanahuja. "Permittivity measurement of cementitious materials and constituents with an open-ended coaxial probe: combination of experimental data, numerical modelling and a capacitive model." RILEM Technical Letters 4 (July 10, 2019): 39–48. http://dx.doi.org/10.21809/rilemtechlett.2019.77.

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The study presents the development of a new two-dimensional FEM numerical model describing the operation of two large open-ended coaxial probes designed to investigate the permittivity of concrete, and its constituents. This numerical simulation, combined with a capacitive approach describing the behaviour of the probes, enabled to prove the suitability of such device to determine the permittivity of dispersive dielectrics. Finding back the permittivity of a specified material by calculation of the S parameters, change of the reference plane and use of the capacitive model is the key to the pr

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21

Karim, M. R., G. Manivannan, C. T. Gnanendran, and S.-C. R. Lo. "Predicting the long-term performance of a geogrid-reinforced embankment on soft soil using two-dimensional finite element analysis." Canadian Geotechnical Journal 48, no. 5 (2011): 741–53. http://dx.doi.org/10.1139/t10-104.

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The consolidation of the soft foundation soil of a geogrid-reinforced embankment, improved with prefabricated vertical drains (PVDs), is modelled in this paper using two-dimensional (2D) plane strain coupled finite element (FE) analysis to predict long-term multiple behaviour characteristics (e.g., settlement, lateral displacement, excess pore-water pressure response, geosynthetic strain) of the embankment. Two sets of analyses were carried out with the foundation soil being modelled using relatively simple elastic–viscoplastic (EVP) models. A nonlinear creep function was used in association w

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Al Zoubi, Fadi M., and Richard A. Preuss. "Reliability of a Measure of Total Lumbar Spine Range of Motion in Individuals with Low Back Pain." Journal of Applied Biomechanics 29, no. 6 (2013): 670–77. http://dx.doi.org/10.1123/jab.29.6.670.

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Measuring lumbar spine range of motion (ROM) using multiple movements is impractical for clinical research, because finding statistically significant effects requires a large proportion of subjects to present with the same impairment. The purpose of this study was to develop a single measure representing the total available lumbar ROM. Twenty participants with low back pain performed three series of eight lumbar spine movements, in each of two sessions. For each series, an ellipse and a cubic spline were fit to the end-range positions, measured based on the position of the twelfth thoracic ver

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23

Simon, Jorge, Hugo Perez-Guerrero, Jorge Sosa-Pedroza, et al. "Design of an Ultrawideband Circularly Polarized Printed Crossed-Dipole Antenna Based on Genetic Algorithms for S-Band CubeSat Applications." International Journal of Antennas and Propagation 2021 (September 10, 2021): 1–13. http://dx.doi.org/10.1155/2021/8733427.

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As in any satellite, onboard antennas for CubeSats are crucial to establish communication with ground stations or other satellites. According to its application, antennas must comply with standardized requirements related to size, bandwidth, operating frequency, polarization, and gain. This paper presents an ultrawideband circularly polarized two-layer crossed-dipole microstrip antenna for S-band CubeSat applications using genetic algorithms optimization tools included in the 3D electromagnetic simulation software Ansys HFSS. The antenna is constructed on a 10 × 10 cm Cuclad-250 substrate with

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Recatala, Maria Arce, Soledad Garcia Morales, and Nathan van den Bossche. "Experimental assessment of rainwater management of a ventilated façade." Journal of Building Physics 42, no. 1 (2017): 38–67. http://dx.doi.org/10.1177/1744259117719077.

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Façades are not watertight systems in which the exterior surface of the cladding plays the role of the water shedding surface; the air space is the drainage plane; the exterior surface of the thermal insulation layer acts as water-resistive barrier, and the interior layer of the inner leaf is supposed to be the air barrier. The degree of watertightness of ventilated façades relies on the characteristics of the materials used, the geometry of the external cladding element, and edge profile of the joints. Hence, in this article, we extrapolate the laboratory testing to develop a holistic approac

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., Sutrisno, Firdaus RS, Zainuri A, Sigit Iswahyudi, and Setyawan Bekti Wibowo. "Performance Analysis and Visualization of Canard and Fuselage Effects on Flow Patterns around a Straight-Body-Type-Fuselage (SBTF) Fighter Models with Experimental Method in Water Tunnel." Modern Applied Science 12, no. 10 (2018): 195. http://dx.doi.org/10.5539/mas.v12n10p195.

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Performance analysis and visualization of canard and fuselage effects on flow patterns around an SBTF fighter model have been conducted. An SBTF fighter model with an experimental method in a water tunnel would easily reveal visually the vortex dynamics phenomenon that occurred. Testing has been done, with some form of non-canard and canard aircraft in a water tunnel, on vortex dynamics and aerodynamic power on the aircraft model. The stream demonstration used a fluid speed of 0.1 m/s and Reynolds number 6.577x103 on a 1:110 scale model and measured using dye injection method with a print ink

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Hua, Ming Guo, Zhen Jiang Yu, and Bo Wei Lei. "Research and Application of Mobile Gas-Extraction Technology on the Upper Corner of Working Face." Advanced Materials Research 726-731 (August 2013): 789–97. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.789.

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Aiming at solving the existing problems of gas treatments on the upper corner presently,poor drainage effect and the high cost of engineering quantity included , gas drag pipe drainage technology and processes on the upper corner is designed.It can make the drainage point matching working face advance speed, realize continuous drainage points in space.And research on the drainage parameters is the foundation of the successful implementation of drag drainage pipe technology.It introduced Brinkman equation, Fick's law of diffusion and gas diffusion translational equations to describe the behavio

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Wang, Jing, Naike Du, Tiantian Yin, et al. "A Machine Learning-Assisted Inversion Method for Solving Biomedical Imaging Based on Semi-Experimental Data." Electronics 12, no. 12 (2023): 2623. http://dx.doi.org/10.3390/electronics12122623.

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Machine learning approaches have been extensively utilized in the field of inverse scattering problems. Typically, the training dataset is generated synthetically using ideal radiation sources such as plane waves or cylindrical waves. However, the testing data often consist of experimental data that take into account the antenna port couplings and waveform distortions within the system. While noise can be artificially added to synthetic data, it may not accurately represent the real experimental noise. Consequently, the application of machine learning-assisted inversion techniques may encounte

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28

Baus, Juan, John R. Harry, and James Yang. "Optimization-based subject-specific planar human vertical jumping prediction: Model development and validation." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 235, no. 7 (2021): 805–18. http://dx.doi.org/10.1177/09544119211010924.

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Jumping biomechanics may differ between individuals participating in various sports. Jumping motion can be divided into different phases for research purposes when seeking to understand performance, injury risk, or both. Experimental-based methods are used to study different jumping situations for their capabilities of testing other conditions intended to improve performance or further prevent injuries. External loading training is commonly used to simulate jumping performance improvement. This paper presents the optimization-based subject-specific planar human vertical jumping to develop the

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29

Wang, Shuangbu, Nan Xiang, Yu Xia, Lihua You, and Jianjun Zhang. "Real-time surface manipulation with $$C^{1}$$ continuity through simple and efficient physics-based deformations." Visual Computer 37, no. 9-11 (2021): 2741–53. http://dx.doi.org/10.1007/s00371-021-02169-4.

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AbstractWe present a novel but simple physics-based method to interactively manipulate surface shapes of 3D models with $$ C^1 $$ C 1 continuity in real time. A fourth-order partial differential equation involving a sculpting force originating from elastic bending of thin plates is proposed to define physics-based deformations and achieve $$ C^1 $$ C 1 continuity at the boundary of deformation regions. In order to obtain real-time physics-based surface manipulation, we construct a mapping relationship between a deformation region in a 3D coordinate space and a unit circle on a 2D parametric pl

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Omumbo, Nicholas J., Titus M. Muhambe, and Cyprian M. Ratemo. "Evaluation of Routing Performance using OSPF and Multi-Controller Based Network Architecture." International Journal of Computer Network and Information Security 13, no. 4 (2021): 45–61. http://dx.doi.org/10.5815/ijcnis.2021.04.05.

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Newer mobile applications are increasingly being defined using Internet Protocol, resulting in increased use of Internet Protocol and subsequent upsurge of smartphones. However, many communication service provider core networks continue to use classical routing protocols and single controller-based networks if deployed. Controller-based networks built on the foundation of software-defined networks include centralization and separation of control plane and data plane, which can address the challenges experienced with the classical routing protocols. When single controllers are used, they tend t

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Ma, Xinhui, Catherine Martin, Grant McIntyre, Ping Lin, and Peter Mossey. "Digital Three-Dimensional Automation of the Modified Huddart and Bodenham Scoring System for Patients with Cleft Lip and Palate." Cleft Palate-Craniofacial Journal 54, no. 4 (2017): 481–86. http://dx.doi.org/10.1597/15-340.

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Objective The modified Huddart and Bodenham scoring system assesses maxillary arch constriction and surgical outcomes in cleft lip and palate. This project automates modified Huddart and Bodenham scoring using three-dimensional digital models. Design Development of a novel software tool. Setting The design, construction, development, and testing of the system was carried out at Dundee Dental Hospital. Patients, Participants Subjects with cleft lip and palate. Interventions A plug-in has been developed using an open three-dimensional development platform: Rhinoceros, version 5 ( http://www.rhin

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Jamieson, Marissa D., Alex W. Brady, Kira Tanghe, Thomas O. Clanton, and Ingrid Stake. "Anterior-Inferior Tibiofibular Ligament Suture-Tape Augmentation for Isolated Syndesmotic Injuries." Foot & Ankle Orthopaedics 7, no. 1 (2022): 2473011421S0026. http://dx.doi.org/10.1177/2473011421s00263.

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Category: Sports; Ankle Introduction/Purpose: Aggressive surgical treatment of isolated syndesmotic injuries has recently gained some traction in the media and sports world. New developments in syndesmotic fixation aim to restore native syndesmotic stability and ankle motion with a goal of returning athletes to sport quickly. However, the best surgical technique is debated. Dynamic repair with a suture- button (SB) can provide an accurate reduction of the syndesmotic space but may alter the rotational kinematics of the fibula. Previous studies have suggested that repair or reconstruction of th

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Cai, Laisi, Ye Ma, Shuping Xiong, and Yanxin Zhang. "Validity and Reliability of Upper Limb Functional Assessment Using the Microsoft Kinect V2 Sensor." Applied Bionics and Biomechanics 2019 (February 11, 2019): 1–14. http://dx.doi.org/10.1155/2019/7175240.

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Objective. To quantify the concurrent accuracy and the test-retest reliability of a Kinect V2-based upper limb functional assessment system. Approach. Ten healthy males performed a series of upper limb movements, which were measured concurrently with Kinect V2 and the Vicon motion capture system (gold standard). Each participant attended two testing sessions, seven days apart. Four tasks were performed including hand to contralateral shoulder, hand to mouth, combing hair, and hand to back pocket. Upper limb kinematics were calculated using our developed kinematic model and the UWA model for Ki

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Blackwell, Corey J., Julia Sarah Wasas, Sean Patrick Flanagan, Bryan A. Norman, and Joel Michael Haight. "Grocery shelf stocking tool: analysis of productivity and human factors." International Journal of Productivity and Performance Management 65, no. 4 (2016): 554–70. http://dx.doi.org/10.1108/ijppm-02-2015-0026.

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Purpose – Grocery store tasks provide many opportunities for efficiency and ergonomic improvements. Shelf stocking is one task that has received considerable attention in recent years as grocery stores seek to remain competitive by stocking shelves in an efficient manner in order to satisfy customers. The purpose of this paper is to detail an analysis performed to evaluate the effectiveness of a grocery store shelf stocking tool. This shelf stocking aid is a device designed to improve the accuracy and efficiency of stocking and fronting shelves in a supermarket or a similar retail environment.

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Wassink, Casper, Marc Grenier, Michael Sirois, Anne-Marie Allard, and Jonathan Berthier. "Eddy Current Testing Basics and Innovation." Materials Evaluation 79, no. 4 (2021): 360–67. http://dx.doi.org/10.32548/2021.me-04218.

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Eddy current testing is considered a theoretically challenging technique. Out of all the different nondestructive testing (NDT) methods, the electromagnetic testing (ET) method (of which eddy current testing is a technique) is probably the most difficult for understanding theory. This is perhaps why the last Materials Evaluation Back to Basics paper on eddy current testing is from 2006, which is a long time ago given the amount of innovation in the technique that has taken place since then (Hansen and Peoples 2006). In this paper we will show what has changed due to recent innovations. We firs

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Mironov, S. P., G. M. Burmakova, and A. I. Krupatkin. "Lumbar pain in athletes and ballet dancers: pathology of the lumboiliac ligament." N.N. Priorov Journal of Traumatology and Orthopedics 8, no. 4 (2022): 14–21. http://dx.doi.org/10.17816/vto100357.

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The experience in examination and treatment of 21 patients with low back pain resulted in ligamentum iliolumbale pathology is presented. Clinical neurologic examination takes significant place in diagnosis of ligamentopathy. Correct interpretation of provocated testing data and pseudoradicular syndrome allows to avoid the diagnostic mistakes and inadequate treatment.

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Hungerford, John C., and Baron P. Johnson. "Exploratory Biomechanical Studies to Determine Worker Fitness for Manual Material Handling Tasks." Proceedings of the Human Factors Society Annual Meeting 31, no. 4 (1987): 452–56. http://dx.doi.org/10.1177/154193128703100415.

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This paper presents the results from two biomechanical studies that examined the effects of loading on the L5/S1 area of the lower spine. The objective of these exploratory studies was to determine whether subject, cardiovascular, and isometric and isotonic strength variables could be used to determine a worker's risk potential for back injury. The first study examined trunk velocity and torque developed in movement against a 30 lb. resistive load for two groups of people: (1) normals (no back pathology), and (2) abnormals (people with physician-diagnosed back pathology). Significant differenc

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McCallum, Lee, and Christine Coombe. "An Interview with Glenn Fulcher: Looking Back and Moving Forward." Language Teaching Research Quarterly 29 (July 2022): 6–19. http://dx.doi.org/10.32038/ltrq.2022.29.02.

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The interview took place on 16th February 2022 at 11:00am (GMT) via Zoom. The interview focused on three central themes of Professor Fulcher’s work in language assessment: (i) Reflecting on his career as an educator and scholar, (ii) Experiences and lessons learned when working with industry testing companies, and (iii) Future opportunities and challenges for the language assessment community. The interview was transcribed by Dr. Lee McCallum

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KANG, SEONG-HOON, YOUNG-SEON LEE, and JUNG-HWAN LEE. "SPRING-BACK CHARACTERISTICS OF GRAIN-REFINED MAGNESIUM ALLOY ZK60 SHEET." International Journal of Modern Physics B 22, no. 31n32 (2008): 6076–81. http://dx.doi.org/10.1142/s0217979208051601.

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In this work, the effect of grain size on the spring-back characteristic was investigated by carrying out air-bending test using magnesium alloy ZK60 sheet with thickness of 0.5 mm at the various temperatures from room temperature to 300 °C. The angles of the bent specimen before and after unloading were measured in order to quantify spring-back amount. It was found out from the bending tests that when the specimens with grain sizes of 14.66 and 60.71 µm were bent by 90°, the amount of spring-back was relatively small at the testing temperature range and was in the range between -2.5° and 2.5°

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Lane, Becca, and Tom Kazmierowski. "Implementation of Cold In-Place Recycling with Expanded Asphalt Technology in Canada." Transportation Research Record: Journal of the Transportation Research Board 1905, no. 1 (2005): 17–24. http://dx.doi.org/10.1177/0361198105190500102.

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Cold in-place recycling (CIR) is a pavement rehabilitation method that processes an existing hot-mix pavement, sizes it, mixes in additional asphalt cement, and lays it back down without off-site hauling and processing. The added asphalt cement is typically emulsified asphalt. A recent development in CIR technology is the use of expanded (foamed) asphalt rather than emulsified asphalt to bind the mix. This combination of CIR and expanded asphalt technologies is termed cold in-place recycled expanded asphalt mix (CIREAM). The Ministry of Transportation Ontario (MTO) constructed a CIREAM trial s

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Stegner, Heather, and Nikki Fotheringham. "Research and Testing Lead to Historic Code Change." Forest Products Journal 72, no. 4 (2022): 226–34. http://dx.doi.org/10.13073/2376-9637-72.4.226.

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Abstract Simply substituting wood for conventional building materials could provide almost a tenth of the global carbon emission reductions needed to meet 2030 goals. However, while structural light-frame wood products are the go-to building material in the United States for low-rise residential construction, capturing over 90 percent of the market, any kind of wood-frame construction at the time under examination was limited to 5 stories and 85 feet in height. These story and height limitations dated back decades and prevented the design and construction of larger and taller buildings. In 201

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Balmforth, D. J., J. R. Blanksby, C. Brown, and C. Rogerson. "Development and testing of a new design procedure for the control of aesthetic pollutants at combined sewer overflows." Water Science and Technology 39, no. 2 (1999): 53–60. http://dx.doi.org/10.2166/wst.1999.0083.

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Two research projects identified the need for a new design guide and software to facilitate the design of combined sewer overflows. The purpose of the design guide and software is to enable the selection of the most cost effective arrangement of overflow and screens according to local circumstances. Strategies were developed to minimise the risk of those testing the design guide and software. Tests took place on a number of projects, one of which is the subject of an ongoing pre and post construction appraisal. The experience gained from the test projects is being fed back into the software de

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Diewald, Axel, Clemens Kurz, Prasanna Venkatesan Kannan, et al. "Radar Target Simulation for Vehicle-in-the-Loop Testing." Vehicles 3, no. 2 (2021): 257–71. http://dx.doi.org/10.3390/vehicles3020016.

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Automotive radar sensors play a vital role in the current development of autonomous driving. Their ability to detect objects even under adverse conditions makes them indispensable for environment-sensing tasks in autonomous vehicles. As their functional operation must be validated in-place, a fully integrated test system is required. Radar Target Simulators (RTS) are capable of executing end-of-line, over-the-air validation tests by looping back a received and afterward modified radar signal and have been incorporated into existing Vehicle-in-the-Loop (ViL) test beds before. However, the curre

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Stubbs, Spencer, and Jonathan Colton. "The Design of a Mechanized Onion Transplanter for Bangladesh with Functional Testing." Agriculture 12, no. 11 (2022): 1790. http://dx.doi.org/10.3390/agriculture12111790.

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Rising labor costs and the inefficient manual methods of cultivating red onions in Bangladesh contribute to the country’s failure to meet is own demand. Mechanizing the process of transplanting red onion seedlings will reduce the manual labor required while increasing crop yields. This paper provides an initial study of a proposed mechanized onion transplanter designed to attach to the back side of a two-wheel tractor with power tiller operated-seeder, commonly used in Bangladesh. Testing of a prototype made from these designs proves that the design is functional but requires further developme

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Sarian, Antranig Arek. ""No Going Back": The Telltale Model as Thought Experiment." Eludamos: Journal for Computer Game Culture 9, no. 1 (2018): 17–32. http://dx.doi.org/10.7557/23.6163.

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Since the release of The Walking Dead in 2012, the "Telltale Model" of interactive narrative has attracted a lot of criticism for providing choices that 'don't matter'. This paper is a response to this discussion taking place both in academia and popular games culture. While Telltale's choices indeed 'don't matter' this overlooks the ways in which they actually function. The Telltale Model works in a way that is analogous to the philosophical thought experiment. It presents a sequential series of moral dilemmas that all communicate a common theme. The penultimate choice in The Walking Dead Sea

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Muminov, R. A., M. N. Tursunov, Kh Sabirov, Sh N. Abilfayziyev, B. A. Yuldoshov, and S. F. Toshpulatov. "Testing of crystalline silicon-based photoelectric and photothermal batteries in real climate conditions and comparison of parameter changes." Journal of Physics: Conference Series 2388, no. 1 (2022): 012128. http://dx.doi.org/10.1088/1742-6596/2388/1/012128.

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Abstract The article examines the changes in electrical parameters of three types of photovoltaic batteries (PV) and photothermal batteries (PVT) based on them, installed on a portable device with the increased intensity of solar radiation using reflective planes. In this case, without changing the position of the PV and PVT in the device, like the “network” stations, it was set so that the solar radiation falls vertically, as in the time of the rising of the sun, directed to the south. This natural experiment served two purposes. The first is to determine the optimal type for the climate when

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Iltaf, Asim, Massab Junaid, Fahd N. khan, and Azhar Hussain. "Microstructure, mechanical properties, residual stresses and texture analysis of Ti-5Al-2.5Sn alloy weldments obtained using electron beam of different oscillation patterns." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 17 (2020): 3484–96. http://dx.doi.org/10.1177/0954406220916550.

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Electron beam welding was used for welding of Ti-5Al-2.5Sn alloy using three types of beam oscillation patterns, i.e. elliptical, concentric circles and arrow shape waveform. The influence of these patterns on microstructure, mechanical properties and residual stresses was investigated using optical microscopy, electron back scattered diffraction, scanning electron microscopy, microhardness measurement, residual stress measurement, impact testing, smooth and notch tensile testing. A partial martensitic transformation was observed in the fusion zone of all the three welding patterns. The fusion

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Dovgal, A. H., L. B. Pryimak, and V. V. Varijukhno. "Wear Resistance Research and Its 2-factor Modeling of Nanoscaled Silicon Carbide Detonation Coatings." Problems of Tribology 28, no. 2/108 (2023): 6–14. http://dx.doi.org/10.31891/2079-1372-2023-108-2-6-14.

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This research is related to the spheres of wearproof coating testing. The SiC coating has been deposited on the medium carbon steel using detonation deposition using the magnet coil flux of back direction. It has been established that only nanoscaled particles are deposited on the surface which had been accumulated in aggregates of different shape. The structure of the obtained coating has been thoroughly researched on the electronic microscope in previous publication. The obtained coating has been developed for testing on the friction bench modeling the friction process that is taking place i

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de Zwart, Melissa, and Dale Stephens. "Non-Military Space Testing in the Woomera Prohibited Area: Opportunities for the Australian Space Industry?" Federal Law Review 45, no. 1 (2017): 39–64. http://dx.doi.org/10.1177/0067205x1704500103.

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The Australian Civil Space Industry is poised at a crucial moment in its history. Careful strategic decisions need to be made regarding whether Australia will continue to take a back seat in the space race or whether it will join the growing space technology industry, providing major opportunities for Australian innovators. This cannot occur if the current legal and regulatory frameworks do not facilitate research activities and investment. The Australian Government is currently reviewing the Space Activities Act 1998 (Cth) and the Space Activities Regulations 2001 (Cth). This article will con

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Goh, Jia Quan, Abdul Rashid Mohamed Shariff, and Nazmi Mat Nawi. "Application of Optical Spectrometer to Determine Maturity Level of Oil Palm Fresh Fruit Bunches Based on Analysis of the Front Equatorial, Front Basil, Back Equatorial, Back Basil and Apical Parts of the Oil Palm Bunches." Agriculture 11, no. 12 (2021): 1179. http://dx.doi.org/10.3390/agriculture11121179.

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The quality of palm oil depends on the maturity level of the oil palm fresh fruit bunch (FFB). This research applied an optical spectrometer to collect the reflectance data of 96 FFB from unripe, ripe, and overripe classes for the maturity level classification. The spectrometer scanned the FFB from different parts, including apical, front equatorial, front basil, back equatorial, and back basil. Principal component analysis was carried out to extract principal components from the reflectance data of each of the parts. The extracted principal components were used in an ANOVA test, which found t

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