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Effect of self-modeling and self-controlled feedback on the performance of professional swimmers and waterpolo players

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Sports Medicine and Health Science 2024年第2期6卷 167-172页

作者： Masoud Mirmoezzi Mansour Sayyah morteza taheri Khadijeh Irandoust Mandana Sangari Fatemeh Mirakhori Ali Seghatoleslami Lee Hill Katja Weiss Beat Knechtle Amine Ghram Faculty of Physical Education and Sport Science Islamic Azad UniversityTehranIran Kashan University of Medical Sciences KashanIran Department of Behavioral and Cognitive saciences in Sport University of TehranTehranIran Islamic Azad University Chalous BranchMazandaranIran University of Birjand BirjandIran Division of Gastroenterology&Nutrition Department of PediatricsMcMaster UniversityHamiltonCanada Medbase St.Gallen Am Vadianplatz St.GallenSwitzerland Institute of Primary Care University of ZurichZurichSwitzerland Cardiac Rehabilitation Department Heart HospitalHamad Medical CorporationDohaQatar Healthy Living for Pandemic Event Protection(HL-PIVOT)Network ChicagoIllUSA Department of Sport Sciences Imam Khomeini International UniversityQazvinIran

Self-modeling(SM)and self-control(SC)feedback can be presented as two solutions for learning ***,the aim of the present study was to investigate the effects of SM and SC feedback on 100-m freestyle performance of professional swimmers and waterpolo players.25 elite male swimmers and waterpolo players,were randomly assigned to four groups:swimmer group with SM,swimmer group with SM and SC feedback,waterpolo players group with SM,and waterpolo players group with SM and SC feedback.100-m freestyle times and performance were *** and SC feedback for the participants were utilized at the acquisition *** device used included a Lenovo B570 laptop and an Exilim ZR200 canon *** and SC feedback presented to the swimmers and waterpolo players led to improved speed and results,and the effect of presenting SM with SC feedback to swimmers had better *** conclusion,the present study indicates that SC modeling of watching video is a suitable method for professional *** polo trainers can also use SM and SC feedback to enhance their players'swimming technique.

关键词： Feedback Self-control Self-modeling Swimming Water polo

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Does wet-cupping therapy improve repeated sprint ability,perceived wellness,and rating of perceived exertion in young active males?

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Sports Medicine and Health Science 2024年第4期6卷 378-384页

作者： Ismail Dergaa Amine Ghram Mohamed Romdhani Amine Souissi Achraf Ammar Ramadan Abdelmoez Farahat Mohamed Saifeddin Fessi Khadijeh Irandoust morteza taheri Tasnim Masmoudi Mohamed Amine Dergaa Nizar Souissi Omar Hammouda Katja Weiss Karim Chamari Helmi Ben Saad Beat Knechtle Primary Health Care Corporation(PHCC) DohaP.O.Box 26555Qatar Research Unit Physical Activity Sportand HealthUR18JS01National Observatory of SportTunis 1003Tunisia High Institute of Sport and Physical Education University of SfaxSfaxTunisia Department of Cardiac Rehabilitation Heart HospitalHamad Medical CorporationDohaQatar Universite de Sousse Faculte de Medecine de SousseHopital Farhat HACHEDLaboratoire de Recherche(Insuffisance CardiaqueLR12SP09)SousseTunisia Healthy Living for Pandemic Event Protection(HL-PIVOT)Network ChicagoILUSA Interdisciplinary Laboratory in Neurosciences Physiology and Psychology:Physical ActivityHealth and LearningUFR STAPSUPLParis Nanterre UniversityNanterreFrance Department of Training and Movement Science Institute of Sport ScienceJohannes Gutenberg-University Mainz55128 MainzGermany Research Laboratory Molecular Bases of Human PathologyLR19ES13Faculty of Medicine of SfaxUniversity of SfaxSfax 3029Tunisia Faculty of Medicine Kafrelsheikh UniversityKafrelsheikh33511Egypt Department of Behavioral and Cognitive Sciences in Sport Faculty of Sport Sciences and HealthUniversity of TehranIran University of Sousse Farhat HACHED HospitalForensic ServiceSousseTunisia Medbase St.Gallen Am Vadianplatz St.GallenSwitzerland Aspetar Orthopaedic and Sports Medicine HospitalFIFA Medical Centre of ExcellenceDohaP.O.Box 29222Qatar Institute of Primary Care University of ZurichZurichSwitzerland

Wet-cupping therapy(WCT)is one of the oldest known medical techniques,used as a traditional and complementary therapy with a wide application all around the world for general *** on the effects of WCT on sports performance are sparse and ***,we aimed to explore the effects of WCT on repeated sprint ability,wellness,and exertion in young active ***-nine active adult males(age:[28±5]years;body height[177±8]cm;body mass:[79±7]kg;body mass index:[25.4±1.8]kg/m^(2))were selected for the *** participants performed a running-based sprint test on two separate occasions(Control and Post-WCT).WCT was performed 24 h before the testing *** completed the Hooper questionnaire to assess their well-being(i.e.,sleep,stress,fatigue,and soreness)before each *** rating of perceived exertion(RPE)was collected after each testing session.A higher maximum power(p<0.05,effect size[ES]=0.6),mean power(p<0.01,ES=0.5)and minimum power(p<0.01,ES=0.6)were recorded post-WCT as compared to Control session along with a better perceived sleep(p<0.01,ES=0.85).Perceived stress(p<0.01,ES=0.6)and RPE(p<0.001;ES=1.1)were lower during the post-WCT compared to the Control *** present findings demonstrated that WCT moderately enhanced repeated sprint ability and had positive effects on perceived sleep,stress,and *** may be an effective ergogenic aid to improve repeated sprint ability and general wellbeing in young adult *** large-scale multicentric clinical studies are paramount to confirm the results of our study.

关键词： Alternative medicine Complementary medicine Hijama Short-term maximal performance Sports medicine

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Quantification of grain boundary effects on the geometrically necessary dislocation density evolution and strain hardening of polycrystalline Mg-4Al using in situ tensile testing in scanning electron microscope and HR-EBSD

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Journal of Magnesium and Alloys 2024年第5期12卷 1815-1829页

作者： Eunji Song Mohsen taheri Andani Amit Misra Department of Materials Science and Engineering University of MichiganAnn ArborMI 48109USA Department of Mechanical Engineering University of MichiganAnn ArborMI 48109USA Department of Mechanical Engineering Texas A&M UniversityCollege StationTX 77843USA

In situ tensile testing in a scanning electron microscope(SEM)in conjunction with high-resolution electron backscatter diffraction(HR-EBSD)under load was used to characterize the evolution of geometrically necessary dislocation(GND)densities at individual grain boundaries as a function of applied strain in a polycrystalline Mg-4Al *** increase in GND density was investigated at plastic strains of 0%,0.6%,2.2%,3.3% from the area including 76 grains and correlated with(i)geometric compatibility between slip systems across grain boundaries,and(ii)plastic *** develop expressions for the grain boundary GND density evolution as a function of plastic strain and plastic incompatibility,from which uniaxial tensile stress-strain response of polycrystalline Mg-4Al are computed and compared with experimental *** findings in this study contribute to understanding the mechanisms governing the strain hardening response of single-phase polycrystalline alloys and more reliable prediction of mechanical behaviors in diverse microstructures.

关键词： Mg-Al alloys Grain boundaries Geometrically necessary dislocations Strain gradient plasticity HR-EBSD

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Exergy Analysis of Charge and Discharge Processes of Thermal Energy Storage System with Various Phase Change Materials:A Comprehensive Comparison

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Journal of Thermal Science 2024年第2期33卷 509-521页

作者： Mojtaba taheri Fathollah POURFAYAZ Roghayeh HABIBI Akbar MALEKI Department of Renewable Energies and Environment Faculty of New Sciences and TechnologiesUniversity of TehranTehran***Iran Faculty of Mechanical Engineering Shahrood University of TechnologyShahrood***Iran

Thermal energy storage(TES) is of great importance in solving the mismatch between energy production and *** this regard,choosing type of Phase Change Materials(PCMs) which are widely used to control heat in latent thermal energy storage systems,plays a vital role as a means of TES ***,this field suffers from lack of a comprehensive investigation on the impact of various PCMs in terms of *** address this issue,in this study,in addition to indicating the melting temperature and latent heat of various PCMs,the exergy destruction and exergy efficiency of each material are estimated and compared with each ***,in the present work the impact of PCMs mass and ambient temperature on the exergy efficiency is *** results proved that higher latent heat does not necessarily lead to higher exergy ***,to obtain a suitable exergy efficiency,the specific heat capacity and melting temperature of the PCMs must also be *** to the results,LiF-CaF_(2)(80.5%:19.5%,mass ratio) mixture led to better performance with satisfactory exergy efficiency(98.84%) and notably lower required mass compared to other ***,the highest and lowest exergy destruction are belonged to GR25 and LiF-CaF_(2)(80.5:19.5) mixture,respectively.

关键词： exergy analysis phase change materials thermal energy storage exergy efficiency

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Numerical study of flow and thermal characteristics of pulsed impinging jet on a dimpled surface

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Theoretical & Applied Mechanics Letters 2024年第2期14卷 106-117页

作者： Amin Bagheri Kazem Esmailpour morteza Heydari Renewable Energy Research Center Damavand BranchIslamic Azad UniversityDamavandIran

This research comprehensively investigates the flow and thermal characteristics of a pulsating impinging jet over a dimpled *** analyzes the impact of key parameters(e.g.,inlet velocity pulsation functions,pulsation frequency,amplitude,dimple pitch,dimple depth,Reynolds number)on flow patterns and heat *** computational fluid dynamics and the Re-normalization group turbulence model are employed to accurately simulate complex turbulent flow *** and average heat transfer coefficients are calculated and compared to steady impingement cases,revealing the potential benefits of pulsation for heat transfer *** study also examines how pulsation-induced flow modulation and thermal mixing affect heat transfer *** indicate that combining fluctuating flow with a dimpled surface can improve heat transfer *** summary,increasing pulsation amplitude consistently enhances heat transfer,while the effect of frequency varies between impinging and wall jet zones.

关键词： Pulsating impinging jet Dimpled surface Heat transfer enhancement Pulsation frequency and amplitude Coherent structures

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Remote condition monitoring of rail tracks using distributed acoustic sensing(DAS):A deep CNN-LSTM-SW based model

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Green Energy and Intelligent Transportation 2024年第5期3卷 70-85页

作者： Md Arifur Rahman Suhaima Jamal Hossein taheri The Laboratory for Advanced Non-Destructive Testing In-situ Monitoringand Evaluation(LANDTIE)Department of Manufacturing EngineeringGeorgia Southern UniversityStatesboro 30458GAUSA Information Technology Department Georgia Southern UniversityStatesboro 30458GAUSA

Railroad condition monitoring is paramount due to frequent passage through densely populated *** significance arises from the potential consequences of accidents such as train derailments,hazardous materials leaks,or collisions which may have far-reaching impacts on communities and the surrounding *** a solution to this issue,the use of distributed acoustic sensing(DAS)-fiber optic cables along railroads provides a feasible tool for monitoring the health of these extended ***,analyzing DAS data to assess railroad health or detect potential damage is a challenging *** to the large amount of data generated by DAS,as well as the unstructured patterns and substantial noise present,traditional analysis methods are ineffective in interpreting this *** paper introduces a novel approach that harnesses the power of deep learning through a combination of CNNs and LSTMs,augmented by sliding window techniques(CNN-LSTM-SW),to advance the state-of-the-art in the railroad condition monitoring *** well as it presents the potential for DAS and fiber optic sensing technologies to revolutionize the proposed CNN-LSTM-SW model to detect conditions along the rail track *** insights from the data of High tonnage load(HTL)-a 4.16 km fiber optic and DAS setup,we were able to distinguish train position,normal condition,and abnormal conditions along the ***,our investigation demonstrated that the proposed approaches could serve as efficient techniques for processing DAS signals and detecting the condition of railroad infrastructures at any remote distance with DAS-Fiber optic cable ***,in terms of pinpointing the train's position,the CNN-LSTM architecture showcased an impressive 97%detection *** a sliding window,the CNN-LSTM labeled data,the remaining 3%of misclassified labels have been improved dramatically by predicting the exact locations of each type of ***,these prop

关键词： Distributed acoustic sensing(DAS)-Fiber optic cable Railroad condition monitoring and anomaly detection High tonnage load(HTL) Convolutional neural network-long short-term memory-sliding window(CNN-LSTM-SW)

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Optimal site selection for geothermal heated greenhouses in cold climates:a fuzzy logic and geographic information system approach

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Clean Energy 2024年第2期8卷 8-26页

作者： Amirhossein Mirabadi Saeid Minaei Younes Noorollahi morteza Almasi Department of Agricultural Systems Science and Research BranchIslamic Azad UniversityTehranIran Biosystems Engineering Department Faculty of AgricultureTarbiat Modares UniversityTehranIran Energy Modelling and Sustainable Energy System(METSAP)Research Lab. Faculty of New Sciences and TechnologiesUniversity of TehranIran

This paper presents a comprehensive model for selecting optimal sites for geothermal heated greenhouses in the agricultural *** research involves two main components:assessing the geothermal energy resource using geological,geochemical and geophysical indicators;and developing a siting model based on fuzzy logic that considers technical,environmental and socio-economic fac*** study focuses on East Azerbaijan province in Iran-a cold *** results indicate that~3.24%of the total area of the province is suitable for constructing geothermal greenhouses,resulting in potential savings of~148000 and 745978 m3 of natural gas in areas with high and very high suitability,respectively.

关键词： geothermal energy site selection GIS fuzzy logic resource assessment

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Engineering Nano/Microscale Chiral Self‑Assembly in 3D Printed Constructs

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Nano-Micro Letters 2024年第3期16卷 313-332页

作者： Mohsen Esmaeili Ehsan Akbari Kyle George Gelareh Rezvan Nader taheri‑Qazvini Monirosadat Sadati Department of Chemical Engineering University of South CarolinaColumbiaSC 29208USA TA Instruments Waters LLCNew CastleDE 19720USA Biomedical Engineering Program University of South CarolinaColumbiaSC 29208USA

Helical hierarchy found in biomolecules like cellulose,chitin,and collagen underpins the remarkable mechanical strength and vibrant colors observed in living *** study advances the integration of helical/chiral assembly and 3D printing technology,providing precise spatial control over chiral nano/microstructures of rod-shaped colloidal nanoparticles in intricate *** designed reactive chiral inks based on cellulose nanocrystal(CNC)suspensions and acrylamide monomers,enabling the chiral assembly at nano/microscale,beyond the resolution seen in printed *** employed a range of complementary techniques including Orthogonal Superposition rheometry and in situ rheo-optic measurements under steady shear rate *** techniques help us to understand the nature of the nonlinear flow behavior of the chiral inks,and directly probe the flow-induced microstructural dynamics and phase transitions at constant shear rates,as well as their post-flow ***,we analyzed the photo-curing process to identify key parameters affecting gelation kinetics and structural integrity of the printed object within the supporting *** insights into the interplay between the chiral inks self-assembly dynamics,3D printing flow kinematics and photopolymerization kinetics provide a roadmap to direct the out-of-equilibrium arrangement of CNC particles in the 3D printed filaments,ranging from uniform nematic to 3D concentric chiral structures with controlled pitch length,as well as random orientation of chiral *** biomimetic approach can pave the way for the creation of materials with superior mechanical properties or programable photonic responses that arise from 3D nano/microstructure and can be translated into larger scale 3D printed designs.

关键词： Directed chiral self-assembly Cellulose nanocrystals Bioinspired nanocomposite 3D printing Rheology

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Assessment of rehabilitation strategies for lakes affected by anthropogenic and climatic changes: A case study of the Urmia Lake, Iran

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Journal of Arid Land 2024年第6期16卷 752-767页

作者： Seyed morteza MOUSAVI Hossein BABAZADEH Mahdi SARAI-TABRIZI Amir KHOSROJERDI Department of Water Science and Engineering Science and Research BranchIslamic Azad UniversityTehran 147789-3855Iran

Over the last three decades,more than half of the world's large lakes and wetlands have experienced significant shrinkage,primarily due to climate change and extensive water consumption for agriculture and other human *** desiccation of lakes leads to severe environmental,economic,and social *** Lake,located in northwestern Iran and representing a vital natural ecosystem,has experienced a volume reduction of over 90.0%.Our research evaluated diverse water management strategies within the Urmia Lake basin and prospects of inter-basin water *** study focused on strategies to safeguard the environmental water rights of the Urmia Lake by utilizing the modeling and simulating(MODSIM)*** model simulated changes in the lake's water volume under various *** included diverting water from incoming rivers,cutting agricultural water use by 40.0%,releasing dam water in non-agricultural seasons,treated wastewater utilization,and inter-basin *** hierarchy process(AHP)was utilized to analyze the simulation *** opinions with AHP analysis,acted as a multi-criteria decision-making tool to evaluate the simulation and determine the optimal water supply source priority for the Urmia *** findings underscore the critical importance of reducing agricultural water consumption as the foremost step in preserving the *** this,inter-basin water transfers are suggested,with a detailed consideration of the inherent challenges and limitations faced by the source *** is imperative to conduct assessments on the impacts of these transfers on the downstream users and the potential environmental risks,advocating for a diplomatic and cooperative approach with adjacent *** study also aims to forecast the volumes of water that can be transferred under different climatic conditions—drought,normal,and wet years—to inform strategic water management planning for the Urmia *** to our proj

关键词： climate change drought lake ecological level agricultural water demand inter-basin water transfer

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Classifying Modulations in Communication Intelligence Using Deep Learning Networks

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Journal of Systems Science and Information 2024年第3期12卷 379-392页

作者： Yahya BENREMDANE Said JAMAL Oumaima taheri Jawad LAKZIZ Said OUASKIT Department of Physics Faculty of Science Ben M'sikUniversity HassanⅡCasablanca 20100Morocco

The present research employs artificial intelligence to come up with an automatic solution for the modulation's classification of various radio signal *** a result,the work we performed involved selecting the database required for supervised deep learning,evaluating the performance of current techniques on unprocessed communication signals,and suggesting a deep learning networkbased method that would enable the classification of modulation types with the best possible ratio between computation time and *** started by examining the automatic classification models that are currently in *** light of the difficulty of forecasting in low Signal Noise Ratio(SNR)situations,we suggested an ensemble learning strategy based on adjusted Res Net and Transformer Neural Network,which is effective at extracting multi-scale features from the raw I/Q sequence ***,we produced an architecture that is simple to use and apply to communication *** architecture of this solution is strong and optimal,enabling it to determine the type of modulation with up to 95%accuracy automatically.

关键词： automatic modulation classification artificial intelligence deep learning radio frequency electronicwarfare

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