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Journal articles on the topic 'Elastic power'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Aşar, Sinan. "Elastic Power." Respiratory Care 66, no. 5 (2021): 886–89. http://dx.doi.org/10.4187/respcare.08833.

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2

Funay, Nicky Anastasia, Usman Wahyudi, and Fahrial Amiq. "PENGARUH MODEL LATIHAN TENDANGAN DOLLYO CHAGI MENGGUNAKAN ELASTIS POWER TERHADAP DAYA LEDAK OTOT TUNGKAI PADA OLAHRAGA TAEKWONDO DI UKM TAEKWONDO UNIVERSITAS NEGERI MALANG." Gelanggang Pendidikan Jasmani Indonesia 3, no. 1 (2019): 8. http://dx.doi.org/10.17977/um040v3i1p8-14.

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ABSTRACT: The objective of this research is to know the effect of dollyo chagi kick training using elastic power bands toward explosive power of leg muscle in Taekwondo martial art at UKM Taekwondo Universitas Negeri Malang. The result of the research which was obtained from male participants who have t-value of -8.113 with the significance of .000 and from female participants who have t-value of -6.786 with the same significance. The significance value (p-value) is smaller than the level of significance .05(p < α = 0.05), so H0 is rejected and Ha is accepted. In other words, dollyo Chagi k

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3

Ferraz, Caio, Paula Mathias, Matheus Costa, Matheus Pithon, and Emanuel Braga. "Experimental evaluation of strength degradation of orthodontic chain elastics exposed to cigarette combustion smoke." South European Journal of Orthodontics and Dentofacial Research 7, no. 1 (2020): 12–15. http://dx.doi.org/10.5937/sejodr7-25828.

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Introduction: Effects of cigars in the performance of dental restorative materials have been largely investigated; however, no information about the role of smoking cigars in strength degradation of orthodontic elastics has been revealed. Aim of the study: evaluate the effect of smoke derived from cigarette combustion on the strength degradation of orthodontic chain elastics. Materials and methods: Four distinct elastics from two different manufacturers were evaluated: Maximum Power Chain Pearl (OTP) (OrthoTechnology); Maximum Power Chain Pearl Tone Blue (OTPB) (OrthoTechnology); Orthodontic E

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4

Michele, Simone, Federica Buriani, and Emiliano Renzi. "Power extraction from floating elastic plates." International Marine Energy Journal 5, no. 2 (2022): 209–18. http://dx.doi.org/10.36688/imej.5.209-218.

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We present a novel mathematical model to investigate the extraction of wave power by flexible elastic floaters. The model is based on the method of dry modes, coupled with a matched eigenfunction expansion. Our model results compare satisfactorily with preliminary data obtained from a demonstrator device, developed at the University of Groningen. We show that the role of elasticity is to increase the number of resonant frequencies with respect to a rigid body, which has a positive effect on wave power output. The mathematical model is then extended to irregular incident waves, described by a J

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5

SHARAF, A. M., and TJING T. LIE. "AN ELASTIC NONLINEAR POWER SYSTEM STABILIZER." Electric Machines & Power Systems 24, no. 8 (1996): 857–67. http://dx.doi.org/10.1080/07313569608955715.

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6

BRAŃKA, A. C., and M. HEYES. "ELASTIC PROPERTIES OF INVERSE POWER FLUIDS." Computational Methods in Science and Technology 10, no. 2 (2004): 127–36. http://dx.doi.org/10.12921/cmst.2004.10.02.127-136.

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Zamani Kouhpanji, Mohammad Reza. "Demonstrating the effects of elastic support on power generation and storage capability of piezoelectric energy harvesting devices." Journal of Intelligent Material Systems and Structures 30, no. 2 (2018): 323–32. http://dx.doi.org/10.1177/1045389x18806398.

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This study represents effects of an elastic support on the power generation and storage capability of piezoelectric energy harvesting devices. The governing equations were derived and solved for a piezoelectric energy harvesting device made of elastic support, multilayer piezoelectric beam, and a proof mass at its free end. Furthermore, a Thevenin model for a rechargeable battery was considered for storage of the produced power of the piezoelectric energy harvesting device. Analyzing the time-domain and frequency-domain responses of the piezoelectric energy harvesting device on an elastic supp

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8

Weaver, Richard L., Oleg Lobkis, and Igor Rozhkov. "Power variances in a reverberant elastic system." Journal of the Acoustical Society of America 106, no. 4 (1999): 2293. http://dx.doi.org/10.1121/1.427848.

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9

Slezak, Michael. "Elastic battery yarn can power smart clothes." New Scientist 222, no. 2973 (2014): 10. http://dx.doi.org/10.1016/s0262-4079(14)61139-8.

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Xia, F., A. Mokhov, Y. Zhou, et al. "Towards power-elastic systems through concurrency management." IET Computers & Digital Techniques 6, no. 1 (2012): 33. http://dx.doi.org/10.1049/iet-cdt.2010.0091.

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11

Botts, James, Jianwei Qiu, and George Sterman. "Elastic amplitudes and power corrections in QCD." Nuclear Physics A 527 (May 1991): 577–80. http://dx.doi.org/10.1016/0375-9474(91)90159-4.

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12

Radovic, Margita, Andrea Sgambelluri, Filippo Cugini, and Nicola Sambo. "Power-aware high-capacity elastic optical networks." Journal of Optical Communications and Networking Vol. 16, Issue 5 (2024): pp. B16—B25. https://doi.org/10.1364/JOCN.514067.

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The power consumption of telecommunication equipment has been identified as a relevant contributor toglobal energy consumption. In fact, new-generation optical transponders employ power-intensive electronicapplication-specific integrated circuits (ASICs) for digital signal processing (DSP). DSP design has traditionallyprioritized meeting transmission requirements over power consumption optimization. In general, the evolutionsof transmission techniques and network design have always been mainly driven by traffic increase; in thiscontext, in order to operate network resources more efficiently, m

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13

Kubo, Takafumi, Kuniaki Hirayama, Nobuhiro Nakamura, and Mitsuru Higuchi. "Effect of Accommodating Elastic Bands on Mechanical Power Output during Back Squats." Sports 6, no. 4 (2018): 151. http://dx.doi.org/10.3390/sports6040151.

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The aim of this study was to investigate whether accommodating elastic bands with barbell back squats (BSQ) increase muscular force during the deceleration subphase. Ten healthy men (mean ± standard deviation: Age: 23 ± 2 years; height: 170.5 ± 3.7 cm; mass: 66.7 ± 5.4 kg; and BSQ one repetition maximum (RM): 105 ± 23.1 kg; BSQ 1RM/body mass: 1.6 ± 0.3) were recruited for this study. The subjects performed band-resisted parallel BSQ (accommodating elastic bands each sides of barbell) with five band conditions in random order. The duration of the deceleration subphase, mean mechanical power, an

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14

Sato, M., S. Harasawa, Y. Konishi, T. Maruyama, and S. J. Park. "Power Law of Critical Buckling in Structural Members Supported by a Winkler Foundation." Journal of Mechanics 33, no. 3 (2016): 369–74. http://dx.doi.org/10.1017/jmech.2016.112.

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AbstractIn the fields of engineering, nanoscience, and biomechanics, thin structural members, such as beams, plates, and shells, that are supported by an elastic medium are used in several applications. There is a possibility that these thin structures might buckle under severe loading conditions; higher-order, complicated elastic buckling modes can be found owing to the balance of rigidities between the thin members and elastic supports. In this study, we have shown a new and simple ‘power law’ relation between the critical buckling strain (or loads) and rigidity parameters in structural memb

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Ali, Bagherzadeh, Zia Tohidi Reza, and Sadeghi Abbasali. "A Novel Analytical Approach for Assessing the Buckling Behavior of Non-Prismatic Elastic Columns Based on Power Series." Journal of Civil Engineering and Materials Application 7, no. 1 (2023): 11–21. https://doi.org/10.22034/jcema.2023.382603.1101.

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The analysis of post-buckling behavior of elastic structures still needs the resolution of a body of non-linear differential equations according to equilibrium equations. Also, the yielding and buckling factors are important in the procedure of designing members under forces such as axial or conjoint axial force and bending moment. In such a way that if the length of the member is too long or the member is thin, before the yielding, buckling will occur in the member, and it is necessary to check and control the member for possible buckling. The present work deals with the stability analysis of

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Ebrahimi, Farzad, and Mohammad Reza Barati. "Electro-magnetic effects on nonlocal dynamic behavior of embedded piezoelectric nanoscale beams." Journal of Intelligent Material Systems and Structures 28, no. 15 (2017): 2007–22. http://dx.doi.org/10.1177/1045389x16682850.

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This article investigates vibration behavior of magneto-electro-elastic functionally graded nanobeams embedded in two-parameter elastic foundation using a third-order parabolic shear deformation beam theory. Material properties of magneto-electro-elastic functionally graded nanobeam are supposed to be variable throughout the thickness based on power-law model. Based on Eringen’s nonlocal elasticity theory which captures the small size effects and using Hamilton’s principle, the nonlocal governing equations of motions are derived and then solved analytically. Then, the influences of elastic fou

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17

Rubenson, Jonas, David G. Lloyd, Denham B. Heliams, Thor F. Besier, and Paul A. Fournier. "Adaptations for economical bipedal running: the effect of limb structure on three-dimensional joint mechanics." Journal of The Royal Society Interface 8, no. 58 (2010): 740–55. http://dx.doi.org/10.1098/rsif.2010.0466.

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The purpose of this study was to examine the mechanical adaptations linked to economical locomotion in cursorial bipeds. We addressed this question by comparing mass-matched humans and avian bipeds (ostriches), which exhibit marked differences in limb structure and running economy. We hypothesized that the nearly 50 per cent lower energy cost of running in ostriches is a result of: (i) lower limb-swing mechanical power, (ii) greater stance-phase storage and release of elastic energy, and (iii) lower total muscle power output. To test these hypotheses, we used three-dimensional joint mechanical

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18

Pan, Yingjun, Huijuan Su, Shijun Guo, Si Chen, and Xun Huang. "Analysis and Testing of a Flyable Micro Flapping-Wing Rotor with a Highly Efficient Elastic Mechanism." Biomimetics 9, no. 12 (2024): 737. https://doi.org/10.3390/biomimetics9120737.

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A Flapping-Wing Rotor (FWR) is a novel bio-inspired micro aerial vehicle configuration, featuring unique wing motions which combine active flapping and passive rotation for high lift production. Power efficiency in flight has recently emerged as a critical factor in FWR development. The current study investigates an elastic flapping mechanism to improve FWRs’ power efficiency by incorporating springs into the system. The elastic force counteracts the system inertia to accelerate or decelerate the wing motion, reducing the power demand and increasing efficiency. A dynamic model was developed to

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19

Tierney, J. W., and J. W. Eischen. "Residual Stress Analysis of Bimaterial Strips Under Multiple Thermal Loading." Journal of Electronic Packaging 119, no. 4 (1997): 281–87. http://dx.doi.org/10.1115/1.2792250.

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The residual stress distribution in bimaterial beams induced by multiple thermal loadings has been investigated. Three models for the nonlinear stress-strain material behavior were considered: bilinear elastic-plastic, power law elastic-plastic, and power law purely plastic. The equations governing equilibrium, compatibility of strain, and stress-strain for the bimaterial configuration make up a system of nonlinear algebraic equations which is solved numerically. The elastic-plastic power law model leads to stress discontinuity in the layers. The other two models have been verified with a fini

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20

Sudjai, Narumol, Monthira Duangsaphon, and Chandhanarat Chandhanayingyong. "Adaptive Elastic Net on High-Dimensional Sparse Data with Multicollinearity: Application to Lipomatous Tumor Classification." International Journal of Statistics in Medical Research 13 (March 29, 2024): 30–40. http://dx.doi.org/10.6000/1929-6029.2024.13.04.

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Predictive models can experience instabilities because of the combination of high-dimensional sparse data and multicollinearity problems. The adaptive Least Absolute Shrinkage and Selection Operator (adaptive Lasso) and adaptive elastic net were developed using the adaptive weight on penalty term. These adaptive weights are related to the power order of the estimators. Therefore, we concentrate on the power of adaptive weight on these penalty functions. This study purposed to compare the performances of the power of the adaptive Lasso and adaptive elastic net methods under high-dimensional spa

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21

Csekő, Kata, Péter Maróti, Zsuzsanna Helyes, et al. "The Effect of Extrinsic Factors on the Mechanical Behavior and Structure of Elastic Dental Ligatures and Chains." Polymers 14, no. 1 (2021): 38. http://dx.doi.org/10.3390/polym14010038.

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Force provided by elastomers used in orthodontics can be affected by several factors present in the oral cavity. The aim of our study was to investigate the role of mouthwashes, toothbrushing, and smoking in the force decay of such elastomers. Tensile strength, changes in the force continuously exerted, and force decay of elastic chains (Ortho Organizer and Masel Short Power Chain) and elastic ligatures (Dentaurum and Masel) by two separate manufacturers were measured. Measurements were initially made on untreated elastics, followed by exposure to different environmental factors including ciga

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22

Sadullaev, Nasullo, Shukhrat Nematov, and Mukhiba Gafurova. "Increase the reliability of power supply by using mechanical energy storage devices for low-power consumers." E3S Web of Conferences 288 (2021): 01060. http://dx.doi.org/10.1051/e3sconf/202128801060.

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The article analyzes the possibilities of using wind energy in Uzbekistan and studies the possibility of using energy storage devices to build a reliable electricity supply in the regions. In areas with weak winds, a device that first stores wind energy and then generates alternating electricity has been proposed. Energy storage systems have been analyzed, and it is recommended to use mechanical energy storage systems in the energy system consisting of renewable energy sources in the Republic of Uzbekistan. It has been noted that the use of such devices is particularly effective in areas far f

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23

Kalmykov, A. V., V. V. Shekhovtsov, M. V. Lyashenko, N. S. Sokolov-Dobrev, and Z. A. Godzhayev. "Application prospects of elastic reactive linkage in tractor power train." Traktory i sel hozmashiny 81, no. 12 (2014): 20–24. http://dx.doi.org/10.17816/0321-4443-65497.

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The paper analyzes prospects of application of elastic reactive linkage in tractor power train for the purpose of decreasing of its dynamic loading under transient modes (turning, acceleration, deceleration). The three-dimensional dynamic model of tractor power train with elastic clutch and without one is developed and investigated.

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24

Ngan, A. H. W., and B. Tang. "Response of power-law-viscoelastic and time-dependent materials to rate jumps." Journal of Materials Research 24, no. 3 (2009): 853–62. http://dx.doi.org/10.1557/jmr.2009.0111.

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Nonlinear viscoelastic problems are in general not analytically solvable. However, it is shown here that, for any viscoelastic materials describable by a constitutive law with linear elastic and (in general) nonlinear viscous elements arranged in any network fashion, such as the Maxwell or standard linear solid arrangements, it is always possible to eliminate the viscous terms by replacing the displacement, strain, and stress fields of the problem by the jumps in rates of these fields. After the viscous terms are eliminated, the problem is reduced to a linear elastic problem defined on the sam

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25

Ellington, C. P. "Power and efficiency of insect flight muscle." Journal of Experimental Biology 115, no. 1 (1985): 293–304. http://dx.doi.org/10.1242/jeb.115.1.293.

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The efficiency and mechanical power output of insect flight muscle have been estimated from a study of hovering flight. The maximum power output, calculated from the muscle properties, is adequate for the aerodynamic power requirements. However, the power output is insufficient to oscillate the wing mass as well unless there is good elastic storage of the inertial energy, and this is consistent with reports of elastic components in the flight system. A comparison of the mechanical power output with the metabolic power input to the flight muscles suggests that the muscle efficiency is quite low

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26

Bi, Cheng, Mingyang Yang, Xu Yang, et al. "Improved Prediction of Elastic Modulus for Carbon-Based Aerogels Using Power-Scaling Model." Gels 11, no. 3 (2025): 184. https://doi.org/10.3390/gels11030184.

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The mechanical stability of carbon aerogels, particularly their thermal insulation performance, is closely linked to their elastic modulus. This property plays a crucial role in determining the material’s overall mechanical stability. The objective of this study is to enhance the accuracy of elastic modulus predictions for carbon aerogels using a power-scaling model. By setting the prefactor of the Gibson and Ashby equation to 1.0, accurate predictions of the elastic modulus can be achieved if the correct scaling exponent is determined. Twelve sets of experimental data were used to fit the pow

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27

Liu, Xiling, Feng Xiong, Qin Xie, Xiukun Yang, Daolong Chen, and Shaofeng Wang. "Research on the Attenuation Characteristics of High-Frequency Elastic Waves in Rock-Like Material." Materials 15, no. 19 (2022): 6604. http://dx.doi.org/10.3390/ma15196604.

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In order to study the frequency-dependent attenuation characteristics of high-frequency elastic waves in rock-like materials, we conducted high-frequency elastic wave attenuation experiments on marble, granite, and red sandstone rods, and investigated the frequency dependence of the attenuation coefficient of high-frequency elastic waves and the frequency dependence of the attenuation of specific frequency components in elastic waves. The results show that, for the whole waveform packet of the elastic wave signal, the attenuation coefficient and the elastic wave frequency have an approximate p

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28

Pilipchuk, V. N. "Oscillators with a generalized power-form elastic term." Journal of Sound and Vibration 270, no. 1-2 (2004): 470–72. http://dx.doi.org/10.1016/s0022-460x(03)00531-5.

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29

Bezotosnyi, V. V., V. P. Gordeev, and V. A. Oleshchenko. "Thermo-elastic stress in high-power laser bars." Journal of Physics: Conference Series 1439 (January 2020): 012029. http://dx.doi.org/10.1088/1742-6596/1439/1/012029.

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30

Shao-Hua, Chen, and Chen Pei-Jian. "Nanoadhesion of a Power-Law Graded Elastic Material." Chinese Physics Letters 27, no. 10 (2010): 108102. http://dx.doi.org/10.1088/0256-307x/27/10/108102.

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31

Lu, Ning, and Murat Kaya. "Power Law for Elastic Moduli of Unsaturated Soil." Journal of Geotechnical and Geoenvironmental Engineering 140, no. 1 (2014): 46–56. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0000990.

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32

Rühl, H., B. Dechant, J. Krug, et al. "Analyzing power in elastic scattering at 67 MeV." Nuclear Physics A 524, no. 3 (1991): 377–90. http://dx.doi.org/10.1016/0375-9474(91)90275-b.

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33

Witała, H., and W. Glöckle. "The analysing power in elastic nucleon-deuteron scattering." Nuclear Physics A 528, no. 1 (1991): 48–72. http://dx.doi.org/10.1016/0375-9474(91)90419-7.

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34

Bonfanti, A., J. L. Kaplan, G. Charras, and A. Kabla. "Fractional viscoelastic models for power-law materials." Soft Matter 16, no. 26 (2020): 6002–20. http://dx.doi.org/10.1039/d0sm00354a.

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35

DUDLEY, ROBERT. "Biomechanics of Flight in Neotropical Butterflies: Aerodynamics and Mechanical Power Requirements." Journal of Experimental Biology 159, no. 1 (1991): 335–57. http://dx.doi.org/10.1242/jeb.159.1.335.

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A quasi-steady aerodynamic analysis of forward flight was performed on 15 species of neotropical butterflies for which kinematic and morphological data were available. Mean lift coefficients required for flight typically exceeded maximum values obtained on insect wings under conditions of steady flow, thereby implicating unsteady aerodynamic mechanisms even during fast forward flight of some butterflies. The downstroke produced vertical forces on average 18% in excess of those necessary to support the body weight through the wingbeat, while the upstroke contributed minimal or negative vertical

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36

Inzaghi, Rizki Ahmad, and Agam Akhmad Syaukani. "Meningkatkan daya ledak otot tungkai menggunakan media elastic band pada pemain futsal." Jurnal Porkes 6, no. 1 (2023): 25–37. http://dx.doi.org/10.29408/porkes.v6i1.7649.

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This study aims to determine the effect of the elastic band training model on increasing the explosive power of the limb muscles of futsal players. The problem of this research is the lack of golden tringle physical factors for athletes or futsal players. The results of testing the hypothesis are accepted, namely that there is an effect of the elastic band training model on increasing the explosive power of the leg muscles. This research is a quantitative type with experimental methods. The design used is a quasi-experimental design using one-group pretest-posttest. The number of subjects in t

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37

Kumagai, Shunji, Kenji Suto, Hiroaki Okada, et al. "Multi-Axis Vibration Power Generation Device for Automobiles." Applied Mechanics and Materials 251 (December 2012): 119–23. http://dx.doi.org/10.4028/www.scientific.net/amm.251.119.

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In achieving the practical use of vibration power generation, the challenges are that the energy to be generated is small and the vibration frequency range for efficient power generation is limited. So, it is needed to improve the output level and establish a vibration transmission structure capable of covering a wider vibration frequency range. In this report, we propose a multi-axis vibration power generation device that is mounted on the vehicle and capable of generating electric power from vibrations in the running vehicle and evaluate its principle model based on the stress analysis. For

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38

Suárez-Antola, Roberto. "Power Law and Stretched Exponential Responses in Composite Solids." Advanced Materials Research 853 (December 2013): 9–16. http://dx.doi.org/10.4028/www.scientific.net/amr.853.9.

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Clay, rocks, concrete and other composite solids show evidence of a hierarchical structure. A fractal tree of nested viscoelastic boxes is proposed to describe the elastic after-effects in these composite solids. A generalized fractal transmission line approach is developed to relate the strain and stress responses. Power law for strain, under an applied stress step, is derived. The exponent in the power law is obtained as a well-defined function of the branching numbers and scaling parameters of the viscoelastic hierarchy. Then, a composite solid with both instantaneous (linear) elastic strai

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Chen, Chao-Rong, and Ming-Jen Lan. "Optimal Demand Response of Smart Home with PV Generators." International Journal of Photoenergy 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/942768.

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Demand response (DR) is used mainly to help to schedule a customer’s power utilization based on the electricity price that is announced by the power distribution company so that both demand and supply can optimally benefit. The work proposes a users’ load model and the interior point method for optimal scheduling with elastic power utilization to minimize power price. The interior point method has the advantages of rapid convergence and robustness. Customers can not only use PV generators and battery sets as backup power sources, but also benefit from green energy. As revealed by the results h

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40

Kahar, Irsan, Najamuddin Najamuddin, Ahmad Ahmad, Andi Heri Riswanto, and Rasyidah Jalil. "Elastic Power Bands Affect the Improvement of PencakSilat Athlete Sickle Kicks." JUARA : Jurnal Olahraga 8, no. 1 (2023): 384–94. http://dx.doi.org/10.33222/juara.v8i1.1980.

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This study aims to determine the effect of Elastic Power Bands training on increasing the sickle kick in the Pencak Silat Athletes of Porprov Kab. Luwu. This research method is quantitative research in the form of an experimental One-Group Pre-test Post-test Design carried out by giving X treatment to the subject. The population in this study was the PencakSilat Athletes of the Province of Luwu Regency, totaling 19 people. The sampling technique was used when all population members were sampled, namely the saturated sample technique. The data collection technique used a sickle kick ability tes

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Alkorta, Jon, José Manuel Martínez-Esnaola, and Javier Gil Sevillano. "On the elastic effects in power-law indentation creep with sharp conical indenters." Journal of Materials Research 23, no. 1 (2008): 182–88. http://dx.doi.org/10.1557/jmr.2008.0011.

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The elastic deformation contribution can significantly affect the measurement of the strain-rate sensitivity (SRS) of the plastic flow stress by indentation methods. In this paper, the effect of such elastic contribution is critically analyzed using an extension of a previous treatment developed by the authors for the elastic effects on the indentation of strain-hardening materials [J. Alkorta et al., J. Mater. Res.20, 432 (2005)]. The analytical model is calibrated and validated through finite element calculations. The results show that when the elastic contribution to the total deformation i

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42

Huo, Rui, Chuangye Li, Laizhao Jing, and Weike Wang. "Research on Power Flow Transmission through Elastic Structure into a Fluid-Filled Enclosure." Advances in Acoustics and Vibration 2018 (May 2, 2018): 1–16. http://dx.doi.org/10.1155/2018/5273280.

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The work of this paper is backgrounded by prediction or evaluation and control of mechanical self-noise in sonar array cavity. The vibratory power flow transmission analysis is applied to reveal the overall vibration level of the fluid-structural coupled system. Through modal coupling analysis on the fluid-structural vibration of the fluid-filled enclosure with elastic boundaries, an efficient computational method is deduced to determine the vibratory power flow generated by exterior excitations on the outside surface of the elastic structure, including the total power flow entering into the f

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Olberding, Jeffrey P., Stephen M. Deban, Michael V. Rosario, and Emanuel Azizi. "Modeling the Determinants of Mechanical Advantage During Jumping: Consequences for Spring- and Muscle-Driven Movement." Integrative and Comparative Biology 59, no. 6 (2019): 1515–24. http://dx.doi.org/10.1093/icb/icz139.

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Abstract Systems powered by elastic recoil need a latch to prevent motion while a spring is loaded but allow motion during spring recoil. Some jumping animals that rely on elastic recoil use the increasing mechanical advantage of limb extensor muscles to accomplish latching. We examined the ways in which limb morphology affects latching and the resulting performance of an elastic-recoil mechanism. Additionally, because increasing mechanical advantage is a consequence of limb extension that may be found in many systems, we examined the mechanical consequences for muscle in the absence of elasti

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Sapta Kunta Purnama, Rumi Iqbal Doewes, Mohammad Furqon Hidayatullah, et al. "PELATIHAN VERY HEAVY SLED TRAINING DAN ELASTIC BAND TRAINING BAGI PELATIH UNTUK PENINGKATAN KECEPATAN LARI DAN POWER OTOT TUNGKAI ATLET SEPAKBOLA." JURNAL WIDYA LAKSANA 13, no. 1 (2024): 91–101. https://doi.org/10.23887/jwl.v13i1.66393.

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Pemain sepakbola membutuhkan kinerja otot yang dinamis selama pertandingan untuk menunjang performa kecepatan dan power. Tujuan pengabdian ini adalah memberikan pengetahuan kepada pelatih mengenai very heavy sled training dan elastic band training untuk meningkatkan kecepatan lari dan power otot tungkai atlet sehingga pelatih dapat menerapkan training tersebut dalam program latihannya. Metode pengabdian dilakukan dengan sosialisasi dan pendampingan. Mitra pengabdian adalah pelatih sepakbola, berjumlah 35 pelatih. Evaluasi dilakukan pada pengetahuan terkait very heavy sled training dan elastic

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Zhou, Keping, Yifan Zhang, Chun Yang, Niange Yang, and Zheng Pan. "Analysis of Pore Characterization and Energy Evolution of Granite by Microwave Radiation." Fractal and Fractional 8, no. 3 (2024): 161. http://dx.doi.org/10.3390/fractalfract8030161.

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To study the dynamic response of granite to different levels of microwave power, an intelligent microwave rock-breaking instrument is used to irradiate different power from three directions. The servo universal testing machine is used to carry out a uniaxial compression test on the granite after microwave damage to analyze the strength damage characteristics and the degree of pore damage. Pore fractal characteristics are analyzed based on nuclear magnetic resonance to establish the microwave damage degradation model. In parallel, the energy evolution process of granite under the influence of v

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46

Hayward, Mason, Kevin Starlard, Erica Murray, and Gabriela Petculescu. "Elastic behavior of additively manufactured 316L stainless steel with changing laser power and speed." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A237. http://dx.doi.org/10.1121/10.0018763.

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Ultrasonic investigations of additively manufactured 316L stainless steel were performed to reveal correlations between properties and printing parameters. The laser power and scanning speed of the selective-Laser-Melting printing process were varied systematically: 40–100 W in 20-W steps, and 600 mm/s to 1200 mm/s in 200-mm/s steps. Resonant ultrasound spectroscopy and pulse-echo measurements were performed. The extensive data allow for observations of specific behaviors in the elastic properties of the material as a function of VED, the volumetric energy density (VED ∝ power/speed). An incre

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Liu, Chunzhi, Haigen Ren, Yiming Shao, and Chenheng Yuan. "Motion characteristics of a novel elastic rotating micro-electromechanical power system." Advances in Mechanical Engineering 12, no. 2 (2020): 168781402090813. http://dx.doi.org/10.1177/1687814020908136.

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This article reports a conceptual study of a new micro-electromechanical power system using elastic leaf piston rotating engine rather than conventional engines as the main component. The proposed innovative elastic rotating micro-electromechanical power system adopts two leaf pistons to substitute the traditional rigid piston for establishing elastic combustors and operates with a novel Humphrey thermodynamic cycle, which brings about high power density and energy conversion efficiency. The motion model of leaf piston is carried out by using the Euler–Bernoulli theory, and a novel calculation

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Reali, Luca, Max Boleininger, Mark R. Gilbert, and Sergei L. Dudarev. "Macroscopic elastic stress and strain produced by irradiation." Nuclear Fusion 62, no. 1 (2021): 016002. http://dx.doi.org/10.1088/1741-4326/ac35d4.

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Abstract Using the notion of eigenstrain produced by the defects formed in a material exposed to high energy neutron irradiation, we develop a method for computing macroscopic elastic stress and strain arising in components of a fusion power plant during operation. In a microstructurally isotropic material, the primary cause of macroscopic elastic stress and strain fields is the spatial variation of neutron exposure. We show that under traction-free boundary conditions, the volume-average elastic stress always vanishes, signifying the formation of a spatially heterogeneous stress state, combin

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Wiatrowski, Artur, Agata Obstarczyk, Michał Mazur, Danuta Kaczmarek, and Damian Wojcieszak. "Characterization of HfO2 Optical Coatings Deposited by MF Magnetron Sputtering." Coatings 9, no. 2 (2019): 106. http://dx.doi.org/10.3390/coatings9020106.

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The aim of this work is to determine the influence of medium frequency magnetron sputtering powers on the various properties of hafnium dioxide (HfO2) thin films. Microstructure observations show that an increase in the sputtering power has a significant influence on HfO2 films’ microstructure. As-deposited hafnia thin films exhibit nanocrystalline structure with a monoclinic phase, however thr rise of the sputtering power results in an increase of crystallite sizes. Atomic force microscopy investigations show that the surface of the deposited films is smooth, crack-free, and composed of visib

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Wang, Yi-Ren, Jin-Wei Chang, and Chen-Yu Lin. "Analysis of a Wind-Driven Power Generation System with Root Slapping Mechanism." Applied Sciences 14, no. 2 (2024): 482. http://dx.doi.org/10.3390/app14020482.

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This study introduces a groundbreaking slap-type Vibration Energy Harvesting (VEH) system, leveraging a rotating shaft with magnets to induce vibrations in an adjacent elastic steel sheet through magnetic repulsion. This unique design causes the elastic sheet to vibrate, initiating the oscillation of a seesaw-type rigid plate lever. The lever then slaps a piezoelectric patch (PZT) at the elastic steel sheet’s root, converting vibrations into electrical energy. Notably, the design enables the PZT to withstand deformation and flapping forces simultaneously, enhancing power conversion efficiency.

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