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Journal articles on the topic 'Elastic executions'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Shang, Shi Feng, Jing He Huo, and Zeng Zhang. "QBARM: A Queue Theory-Based Adaptive Resource Usage Model." Advanced Materials Research 756-759 (September 2013): 2523–27. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.2523.

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Workflow is becoming a more and more important tool for business operations, scientific research and engineering. Cloud computing provides an elastic, on-demand and high cost-efficient resource allocation model for workflow executions. During workflow execution, the load will change from time to time and therefore, it becomes an interesting topic to optimize resource utilization of workflows in the cloud computing environment. In this paper, a workflow framework is proposed that can adaptively use cloud resources. In detail, after users specify the desired goal to achieve, the proposed workflo

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2

Facco Rodrigues, Vinicius, Ivam Guilherme Wendt, Rodrigo da Rosa Righi, Cristiano André da Costa, Jorge Luis Victória Barbosa, and Antonio Marcos Alberti. "Brokel: Towards enabling multi-level cloud elasticity on publish/subscribe brokers." International Journal of Distributed Sensor Networks 13, no. 8 (2017): 155014771772886. http://dx.doi.org/10.1177/1550147717728863.

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Internet of Things networks together with the data that flow between networked smart devices are growing at unprecedented rates. Often brokers, or intermediaries nodes, combined with the publish/subscribe communication model represent one of the most used strategies to enable Internet of Things applications. At scalability viewpoint, cloud computing and its main feature named resource elasticity appear as an alternative to solve the use of over-provisioned clusters, which normally present a fixed number of resources. However, we perceive that today the elasticity and Pub/Sub duet presents seve

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Assuncao, Luis, Carlos Goncalves, and Jose C. Cunha. "Autonomic Workflow Activities." International Journal of Adaptive, Resilient and Autonomic Systems 5, no. 2 (2014): 57–82. http://dx.doi.org/10.4018/ijaras.2014040104.

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Workflows have been successfully applied to express the decomposition of complex scientific applications. This has motivated many initiatives that have been developing scientific workflow tools. However the existing tools still lack adequate support to important aspects namely, decoupling the enactment engine from workflow tasks specification, decentralizing the control of workflow activities, and allowing their tasks to run autonomous in distributed infrastructures, for instance on Clouds. Furthermore many workflow tools only support the execution of Direct Acyclic Graphs (DAG) without the co

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Huang, Xiaobing, Tian Zhao, and Yu Cao. "PIR." International Journal of Multimedia Data Engineering and Management 5, no. 3 (2014): 1–27. http://dx.doi.org/10.4018/ijmdem.2014070101.

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Multimedia Information Retrieval (MIR) is a problem domain that includes programming tasks such as salient feature extraction, machine learning, indexing, and retrieval. There are a variety of implementations and algorithms for these tasks in different languages and frameworks, which are difficult to compose and reuse due to the interface and language incompatibility. Due to this low reusability, researchers often have to implement their experiments from scratch and the resulting programs cannot be easily adapted to parallel and distributed executions, which is important for handling large dat

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Law, Tony, Delphine Demange, and Sandrine Blazy. "A Mechanized Semantics for Dataflow Circuits." Proceedings of the ACM on Programming Languages 9, OOPSLA1 (2025): 507–33. https://doi.org/10.1145/3720432.

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This paper proposes a mechanized formal semantics for dataflow circuits: rather than following a predetermined, static schedule, the execution of the circuit components is constrained solely by the availability of their input data. We model circuit components as abstract computing units, asynchronously connected with each other through unidirectional, unbounded FIFO. In contrast to Kahn’s classic, denotational semantic framework, our semantics is operational. It intends to reflect Dennis’ dataflow paradigm with firing, while still formalizing the observable behaviors of circuits as channels hi

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Leimeister, Mareike, Athanasios Kolios, and Maurizio Collu. "Development of a Framework for Wind Turbine Design and Optimization." Modelling 2, no. 1 (2021): 105–28. http://dx.doi.org/10.3390/modelling2010006.

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Dimensioning and assessment of a specific wind turbine imply iterative steps for design optimization, as well as load calculations and performance analyses of the system in various environmental conditions. However, due to the complexity of wind turbine systems, fully coupled aero-hydro-servo-elastic codes are indispensable to represent and simulate the non-linear system behavior. To cope with the large number of simulations to be performed during the design process of a wind turbine system, automation of simulation executions and optimization procedures are required. In this paper, such a hol

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Zhao, J., and C. Tiede. "Using a variance-based sensitivity analysis for analyzing the relation between measurements and unknown parameters of a physical model." Nonlinear Processes in Geophysics 18, no. 3 (2011): 269–76. http://dx.doi.org/10.5194/npg-18-269-2011.

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Abstract. An implementation of uncertainty analysis (UA) and quantitative global sensitivity analysis (SA) is applied to the non-linear inversion of gravity changes and three-dimensional displacement data which were measured in and active volcanic area. A didactic example is included to illustrate the computational procedure. The main emphasis is placed on the problem of extended Fourier amplitude sensitivity test (E-FAST). This method produces the total sensitivity indices (TSIs), so that all interactions between the unknown input parameters are taken into account. The possible correlations b

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8

Li, Zhaoheng, Pranav Gor, Rahul Prabhu, Hui Yu, Yuzhou Mao, and Yongjoo Park. "ElasticNotebook: Enabling Live Migration for Computational Notebooks." Proceedings of the VLDB Endowment 17, no. 2 (2023): 119–33. http://dx.doi.org/10.14778/3626292.3626296.

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Computational notebooks (e.g., Jupyter, Google Colab) are widely used for interactive data science and machine learning. In those frameworks, users can start a session , then execute cells (i.e., a set of statements) to create variables, train models, visualize results, etc. Unfortunately, existing notebook systems do not offer live migration: when a notebook launches on a new machine, it loses its state , preventing users from continuing their tasks from where they had left off. This is because, unlike DBMS, the sessions directly rely on underlying kernels (e.g., Python/R interpreters) withou

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9

Francis, T. "A Comparison of Cloud Execution Mechanisms Fog, Edge, and Clone Cloud Computing." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 4646–53. https://doi.org/10.11591/ijece.v8i6.pp4646-4653.

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Cloud computing is a technology that was developed a decade ago to provide uninterrupted, scalable services to users and organizations. Cloud computing has also become an attractive feature for mobile users due to the limited features of mobile devices. The combination of cloud technologies with mobile technologies resulted in a new area of computing called mobile cloud computing. This combined technology is used to augment the resources existing in Smart devices. In recent times, Fog computing, Edge computing, and Clone Cloud computing techniques have become the latest trends after mobile clo

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Chen, Gang, Ke Chen, Dawei Jiang, et al. "E3: an Elastic Execution Engine for Scalable Data Processing." Journal of Information Processing 20, no. 1 (2012): 65–76. http://dx.doi.org/10.2197/ipsjjip.20.65.

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Risco, Sebastián, and Germán Moltó. "GPU-Enabled Serverless Workflows for Efficient Multimedia Processing." Applied Sciences 11, no. 4 (2021): 1438. http://dx.doi.org/10.3390/app11041438.

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Serverless computing has introduced scalable event-driven processing in Cloud infrastructures. However, it is not trivial for multimedia processing to benefit from the elastic capabilities featured by serverless applications. To this aim, this paper introduces the evolution of a framework to support the execution of customized runtime environments in AWS Lambda in order to accommodate workloads that do not satisfy its strict computational requirements: increased execution times and the ability to use GPU-based resources. This has been achieved through the integration of AWS Batch, a managed se

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Bertozzi, Luigi, Rita Stagni, Silvia Fantozzi, and Angelo Cappello. "Evaluation of a Cruciate Ligament Model: Sensitivity to the Parameters during Drawer Test Simulation." Journal of Applied Biomechanics 24, no. 3 (2008): 234–43. http://dx.doi.org/10.1123/jab.24.3.234.

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The knowledge of how cruciate ligaments stabilize the knee joint could be very useful during the execution of daily living activities for the development of clinical procedures. The objective of this study was to evaluate a cruciate ligament model that could achieve this knowledge while avoiding any destructive measurements in living healthy subjects. Subject-specific geometries and kinematic data, acquired from a living subject, were the foundations of the devised model. Each cruciate ligament was modeled with 25 linear-elastic elements and their geometrical properties were subject specific.

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Patel, Hirenkumar Bharatkumar*, C.B.Mishra Prof., and H.R.Varia Dr. "STIMULATING TRANSIENT EFFECT ON BITUMEN PROPERTIES USING SASOBIT – A WARM MIX ADDITIVE FOR PAVEMENT." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 4 (2016): 444–49. https://doi.org/10.5281/zenodo.49752.

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The advancement of any economy anyplace on the world needs long lasting base sophisticated infrastructure that roads, air terminal runways and parking lots, so one can see the value of bitumen with time and changing environment. The maturing of bituminous binders is one of the key variables deciding the lifetime of black-top asphalt and ordinarily came about because of oxidation. The procedure of maturing includes synthetic and/or physical property changes that as a rule make bituminous materials harder and more weak with time because of slow loss of visco-versatile properties of bitumen in th

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Zavodinsky, Victor G., and Olga A. Gorkusha. "Fast Orbital-Free Full-Potential Calculations for Large Nano Objects: C, Al and Ti." Applied Nano 2, no. 4 (2021): 359–67. http://dx.doi.org/10.3390/applnano2040026.

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In the context of a full-potential orbital-free approach for the modeling of multi-atomic systems we investigated the dependence of the cohesive energies and bulk elastic modules of the large nanosystems Cn (n is up to 4096 atoms), Aln (n is up to 23,328 atoms) and tin (n is up to 2160 atoms). It was shown that the cohesive energies and elastic modules tend towards bulk crystal values at n ≈ 3000 for Cn systems, at n ≈ 1500 for Tin and at n ≈ 20,000 for Aln. The execution time for one energy iteration for Ti23328 was only 23 min.

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Shafi Abdullah, Worood, and Aseel Jaleel Kat’aa. "The Effect of Instructional Ex ect of Instructional Exercises Using A cises Using Auxiliar uxiliary Aids on y Aids on Learning the Technical Execution of the Triple Jump for Female Students." Modern Sport 24, no. 1 (2025): 46–53. https://doi.org/10.54702/2708-3454.1006.

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The importance of this research lies in utilizing assistive tools to develop an integrated approach that enhances learning efficiency and adaptation, in alignment with the lesson, to achieve its objectives in teaching the technical execution of the triple jump event for female students. The researchers believe that the educational assistive tools used in developing the technical execution of the triple jump event are insufficient to achieve comprehensive improvement in performance levels. Therefore, the researchers aimed to explore the possibility of improving performance levels by using certa

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Vanneste, Simon, Jens de Hoog, Thomas Huybrechts, et al. "Distributed Uniform Streaming Framework: An Elastic Fog Computing Platform for Event Stream Processing and Platform Transparency." Future Internet 11, no. 7 (2019): 158. http://dx.doi.org/10.3390/fi11070158.

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The increase of Internet of Things devices and the rise of more computationally intense applications presents challenges for future Internet of Things architectures. We envision a future in which edge, fog, and cloud devices work together to execute future applications. Because the entire application cannot run on smaller edge or fog devices, we will need to split the application into smaller application components. These application components will send event messages to each other to create a single application from multiple application components. The execution location of the application c

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Varigonda, Santosh V., Luisa P. Serafim, Maxim Freydin, Earl H. Dowell, and Venkateswaran Narayanaswamy. "Two-dimensional pressure field imaging of an elastic panel executing post-flutter oscillations." Journal of Fluids and Structures 125 (March 2024): 104056. http://dx.doi.org/10.1016/j.jfluidstructs.2023.104056.

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Cervino, Gabriele, Luca Fiorillo, Alan Herford, et al. "Alginate Materials and Dental Impression Technique: A Current State of the Art and Application to Dental Practice." Marine Drugs 17, no. 1 (2018): 18. http://dx.doi.org/10.3390/md17010018.

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Hydrocolloids were the first elastic materials to be used in the dental field. Elastic impression materials include reversible (agar-agar), irreversible (alginate) hydrocolloids and synthetic elastomers (polysulfides, polyethers, silicones). They reproduce an imprint faithfully, providing details of a high definition despite the presence of undercuts. With the removal of the impression, being particularly rich in water, the imprints can deform but later adapt to the original shape due to the elastic properties they possess. The advantages of using alginate include the low cost, a better tolera

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19

Şen, Zekâi, and Atakan Mangir. "Innovative Equivalent Elastic Modulus Based Stress Calculation Methodology for Reinforced Concrete Columns." Buildings 13, no. 8 (2023): 1962. http://dx.doi.org/10.3390/buildings13081962.

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The combination of linearity and elasticity assumptions provides classical calculation procedures for the reinforced concrete (RC) columns and beams against internal and external seismic loads. In these calculation procedures, the elasticity modulus of the concrete is taken into account by ignoring the steel reinforcement due to its small area percentage in the total cross-section area. This paper presents an innovative column stress calculation procedure considering the concrete–steel composition as the equivalent elastic modulus based on the classical Hooke’s Law. This methodology takes into

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Shim, Gyuseok, Duwon Yang, Woorim Cho, et al. "Elastic Resistance and Shoulder Movement Patterns: An Analysis of Reaching Tasks Based on Proprioception." Bioengineering 11, no. 1 (2023): 1. http://dx.doi.org/10.3390/bioengineering11010001.

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This study departs from the conventional research on horizontal plane reach movements by examining human motor control strategies in vertical plane elastic load reach movements conducted without visual feedback. Here, participants performed shoulder presses with elastic resistances at low, moderate, and high intensities without access to visual information about their hand position, relying exclusively on proprioceptive feedback and synchronizing their movements with a metronome set at a 3 s interval. The results revealed consistent performance symmetry across different intensities in terms of

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Kamble, Vikram G., T. Jagadeesha, and Shreedhar Kolekar. "Properties, materials, fabrication and characterization of magneto-sensitive elastomers: detailed state of the art." Emerging Materials Research 13, no. 3 (2024): 1–26. http://dx.doi.org/10.1680/jemmr.23.00196.

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Magnetorheological elastomers (MREs) are a type of material that can be altered by applying an external magnetic field due to its elastic nature. MREs are often created by combining micron-sized magnetic particles into matrices that resemble non-magnetic rubber. This review study analyzes the materials, preparation processes, investigation models, and execution of MREs. The initial phase will involve incorporating various elastic-like matrices and magnetic particles for the production of MREs, along with the corresponding preparation methods. Secondly, several examples of MREs microstructures

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Kehrer, Stefan, and Wolfgang Blochinger. "Elastic Parallel Systems for High Performance Cloud Computing: State-of-the-Art and Future Directions." Parallel Processing Letters 29, no. 02 (2019): 1950006. http://dx.doi.org/10.1142/s0129626419500063.

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With on-demand access to compute resources, pay-per-use, and elasticity, the cloud evolved into an attractive execution environment for High Performance Computing (HPC). Whereas elasticity, which is often referred to as the most beneficial cloud-specific property, has been heavily used in the context of interactive (multi-tier) applications, elasticity-related research in the HPC domain is still in its infancy. Existing parallel computing theory as well as traditional metrics to analytically evaluate parallel systems do not comprehensively consider elasticity, i.e., the ability to control the

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Carlos Montes Salas, Marta Victoria Santiago, Susana Pulgar, and Miguel Heres. "Evaluación de los efectos del entrenamiento de fuerza con bandas elásticas en jugadores jóvenes de balonmano. Revisión sistemática." E-balonmano com Journal Sports Science 21, no. 1 (2025): 131–42. https://doi.org/10.17398/1885-7019.21.131.

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Handball is a cooperation-opposition sport, mediated by a succession of throws, grabs, movements, and brief and intense actions. This sport requires the execution of various motor and technical-tactical actions involving specific strength components. The aim of this systematic review is to assess the effectiveness of strength training using elastic bands in young handball players. Following PRISMA guidelines, searches were conducted in the Pubmed, Dialnet, and Google Scholar databases. Five studies were selected that analyzed the effects of strength training using elastic bands in handball pla

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Abdelfattah, Waleed Mohammed. "A Comparative Study of Differential Quadrature Methods for METE Nanobeam Vibrations." Algorithms 18, no. 2 (2025): 64. https://doi.org/10.3390/a18020064.

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This study investigates the use of three different quadrature schemes, as well as an iterative quadrature methodology, to analyze vibrations in magneto-electro-thermo-elastic nanobeams. Individual MATLAB programs for each method are developed with the goal of minimizing errors in comparison to accurate findings, as well as determining the execution time for each strategy. This study shows that the Discrete Singular-Convolution Differential Quadrature Method with a Regularized Shannon Kernel (DSCDQM-RSK) and specified parameters produces the best accurate and efficient results for this particul

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Pasăre, Minodora Maria, and Aurora Cătălina Ianăşi. "Issues Concerning Vibrations Reduction of the Industrial Drilling Machine in the Manufacturing Processes." Advanced Materials Research 837 (November 2013): 158–63. http://dx.doi.org/10.4028/www.scientific.net/amr.837.158.

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The paper set the differential equations of free vibration for straight helical rods, in a general matrix form, with which determine the pulsation equation as an algebraic equation of n degree. The coefficients of this equation contain geometrical and elastic characteristics including natural degree of torsion bar and also the boundary conditions at the ends. These coefficients provide important information about the machine-tools from the mechanical industry under the action of vibrations, during execution the processing operations on the industrial products.

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Abián, Pablo, Fernando Martínez, Fernando Jiménez, and Javier Abián-Vicén. "Effects of Eccentric Single-Leg Decline Squat Exercise on the Morphological and Structural Properties of the Vastus Lateralis and Patellar Tendon." International Journal of Environmental Research and Public Health 17, no. 24 (2020): 9410. http://dx.doi.org/10.3390/ijerph17249410.

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The purpose was to examine the effect of 6-week eccentric single-leg decline squat (SLDSe) training with two technical execution times (3 s or 6 s) on changes related to the structural properties of the vastus lateralis (VL) and patellar tendon (PT). Thirty-six physical active volunteers were randomly divided into three groups: control group (CG, n = 13, age = 20.8 ± 1.9 years, no intervention program), experimental group 1 (EG1, n = 11, age = 21.6 ± 2.5 years, execution time = 6 s) and experimental group 2 (EG2, n = 12, 21.1 ± 1.2 years, execution time = 3 s). Participants completed a 6-week

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Mo, Chen, Yongchao Xu, and Shijian Yuan. "Analysis of Thickness Variation in 2219 Aluminum Alloy Ellipsoid Shell with Differential Thickness by Hydroforming." Metals 14, no. 10 (2024): 1140. http://dx.doi.org/10.3390/met14101140.

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The process of spinning and machining for heavy plates has the problems of a large amount of machining, large springback, and easy cracking. Aiming to address these issues, we proposed a deep drawing forming method for a plate with differential thickness to manufacture an integral ellipsoid component with a thin zone in the middle and a thick zone in the periphery. The plate with a differential thickness was initially produced through machining, followed by the execution of deep drawing deformation. During the deformation process of plates with differential thickness, the thin zone is prone to

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Mounier, H., and R. Reynaud. "Towards context aware tracking: a flatness based automotive oriented scheme with elastic execution time and sheaf determination." International Journal of Control 81, no. 3 (2008): 398–406. http://dx.doi.org/10.1080/00207170701576219.

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Belmas, Ivan, Peter Kogut, Dmytro Kolosov, Volodymyr Samusia, and Serhii Onyshchenko. "Rigidity of elastic shell of rubber-cable belt during displacement of cables relatively to drum." E3S Web of Conferences 109 (2019): 00005. http://dx.doi.org/10.1051/e3sconf/201910900005.

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Analytical dependencies for determining the rigidity and parameters of a stress-strain state of a rubber layer located between the cables and the drum from their mutual shear are established in a closed form. A method of determining the dispersion of deviation of calculated displacements from established values of elastic shell material is developed. Obtained results allow considering the shape of an elastic layer of rubber, estimate the level of reliability of the results when calculating a stress-strain state of rubber-cable tractive elements from the shear of cables relatively to the drum.

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Chen, Jiangchuan, Jiajia Jiang, and Dan Luo. "A Predictive and Evolutionary Approach for Cost-Effective and Deadline-Constrained Workflow Scheduling Over Distributed IaaS Clouds." International Journal of Web Services Research 16, no. 3 (2019): 78–94. http://dx.doi.org/10.4018/ijwsr.2019070105.

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Clouds provide highly elastic resource provisioning styles through which scientific workflows are allowed to acquire desired resources ahead of the execution and build required software environment on virtual machines (VMs). However, various challenges for cloud workflow, especially its optimal scheduling, are yet to be addressed. Traditional approaches mainly consider VMs to be with non-fluctuating, time-invariant, stochastic, or bounded performance. This work describes workflows to be deployed and executed over distributed infrastructure-as-a-service clouds with time-varying performance of V

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Hamed Hamad, Aws, Adnan Yousif Dawod, Mohammed Fakhrulddin Abdulqader, Israa Al_Barazanchi, and Hassan Muwafaq Gheni. "A secure sharing control framework supporting elastic mobile cloud computing." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 2270. http://dx.doi.org/10.11591/ijece.v13i2.pp2270-2277.

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<span lang="EN-US">In elastic mobile cloud computing (EMCC), mobile devices migrate some computing tasks to the cloud for execution according to current needs and seamlessly and transparently use cloud resources to enhance their functions. First, based on the summary of existing EMCC schemes, a generic EMCC framework is abstracted; it is pointed out that the migration of sensitive modules in the EMCC program can bring security risks such as privacy leakage and information flow hijacking to EMCC; then, a generic framework of elastic mobile cloud computing that incorporates risk management

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Aws, Hamed Hamad, Yousif Dawod Adnan, Fakhrulddin Abdulqader Mohammed, Al_Barazanchi Israa, and Muwafaq Gheni Hassan. "A secure sharing control framework supporting elastic mobile cloud computing." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 2270–77. https://doi.org/10.11591/ijece.v13i2.pp2270-2277.

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In elastic mobile cloud computing (EMCC), mobile devices migrate some computing tasks to the cloud for execution according to current needs and seamlessly and transparently use cloud resources to enhance their functions. First, based on the summary of existing EMCC schemes, a generic EMCC framework is abstracted; it is pointed out that the migration of sensitive modules in the EMCC program can bring security risks such as privacy leakage and information flow hijacking to EMCC; then, a generic framework of elastic mobile cloud computing that incorporates risk management is designed, which regar

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Machado, Carolina Neis, Ana Paula Moratelli Prado, Elisa Dell'Antonio, Deise Ferreira de Oliveira, Suzana Matheus Pereira, and Helio Roesler. "Analysis of lower limb force in foot work exercise of Pilates." Fisioterapia em Movimento 29, no. 4 (2016): 669–76. http://dx.doi.org/10.1590/1980-5918.029.004.ao02.

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Abstract Introduction: Pilates is a physical exercise method that uses the resistance of springs to modulate the overload from exercises. Objective: To characterize the force versus time curve of the foot work exercise; verify and compare the force applied by the same limb during the foot work exercise against the resistance of two types of springs with different elastic constants, and verify and compare the asymmetry of force applied by right and left lower limbs during the foot work exercise against the resistance of the same type of spring. Methods: Twenty healthy adult individuals familiar

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Wei, Ran. "Load Balancing Optimization of In-Memory Database for Massive Information Processing of Internet of Things (IoTs)." Mathematical Problems in Engineering 2022 (May 11, 2022): 1–10. http://dx.doi.org/10.1155/2022/9138084.

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Based on the analysis of the key technologies of the Internet of Things service platform architecture, a load balancing optimization scheme of in-memory database based on the massive information processing of the Internet of Things service platform is proposed. This scheme firstly proposes a system model that can satisfy the mass sensor information processing under the open platform environment and designs several functional unit modules of the system. By combining these functional units, the service can be configured for thousands of services and tenants. This paper presents an adaptive strat

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Olisa, Samuel Chukwuemeka, Muhammad A. Khan, and Andrew Starr. "Elastic Wave Mechanics in Damaged Metallic Plates." Symmetry 15, no. 11 (2023): 1989. http://dx.doi.org/10.3390/sym15111989.

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Human health monitoring (HHM) is essential for continued daily task execution, as is structural health monitoring (SHM) for structures to ensure the continual performance of their designed tasks with optimal efficiency. The existence of damage in a structure affects its optimal use through stiffness deterioration. Damage of different forms could occur in a structure but have the singular objective of material degradation, leading to its underuse for a task. Guided wave ultrasonics has shown strength in detecting sundry damage in structures, but most of the damage monitored and detected is unfi

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Xu, Hang, Zhe Song, Xi Xiao, Yu Mo, Weihong Zhou, and Pengfei Wu. "A Precise Modeling Method for PMSM Servo System of Spacecraft." Applied Sciences 14, no. 3 (2024): 1161. http://dx.doi.org/10.3390/app14031161.

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Permanent magnet synchronous motor (PMSM) servo system is the control and execution mechanism of spacecraft, and its precise modeling is of great practical significance for improving the performance of the spacecraft. A comprehensive model considering elasticity, backlash, and friction was established based on the structural composition and transmission characteristics of spacecraft. Firstly, an elastic-dead zone model was established based on the transmission characteristics, with two mass elastic and gear backlash dead zones as the main features. Then, an improved LuGre friction model was es

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Banerjee, A. K., and T. R. Kane. "Dynamics of a Plate in Large Overall Motion." Journal of Applied Mechanics 56, no. 4 (1989): 887–92. http://dx.doi.org/10.1115/1.3176187.

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Equations of motion are formulated for a thin elastic plate that is executing small motions relative to a reference frame undergoing large rigid body motions (three-dimensional rotation and translation) in a Newtonian reference frame. As an illustrative example, a spin-up maneuver for a simply-supported rectangular plate is examined, and the vibration modes of such a plate are used to show that the present theory captures the phenomenon of dynamic stiffening.

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Burckhardt, Sebastian, Chris Gillum, David Justo, Konstantinos Kallas, Connor McMahon, and Christopher S. Meiklejohn. "Durable functions: semantics for stateful serverless." Proceedings of the ACM on Programming Languages 5, OOPSLA (2021): 1–27. http://dx.doi.org/10.1145/3485510.

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Serverless, or Functions-as-a-Service (FaaS), is an increasingly popular paradigm for application development, as it provides implicit elastic scaling and load based billing. However, the weak execution guarantees and intrinsic compute-storage separation of FaaS create serious challenges when developing applications that require persistent state, reliable progress, or synchronization. This has motivated a new generation of serverless frameworks that provide stateful abstractions. For instance, Azure's Durable Functions (DF) programming model enhances FaaS with actors, workflows, and critical s

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Forsbach, Fabian, and Emanuel Willert. "A General Approximate Solution for the Slightly Non-Axisymmetric Normal Contact Problem of Layered and Graded Elastic Materials." Lubricants 11, no. 10 (2023): 450. http://dx.doi.org/10.3390/lubricants11100450.

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We present a general approximate analytical solution for the normal contact of layered and functionally graded elastic materials for almost axisymmetric contact profiles. The solution only requires knowledge of the corresponding contact solution for indentation using a rigid cylindrical flat punch. It is based on the generalizations of Barber’s maximum normal force principle and Fabrikant’s approximation for the pressure distribution under an arbitrary flat punch in an inhomogeneous case. Executing an asymptotic procedure suggested recently for almost axisymmetric contacts of homogeneous elast

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Graefe, Goetz, Anisoara Nica, Knut Stolze, et al. "Elasticity in Cloud Databases and Their Query Processing." International Journal of Data Warehousing and Mining 9, no. 2 (2013): 1–20. http://dx.doi.org/10.4018/jdwm.2013040101.

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A central promise of cloud services is elastic, on-demand provisioning. The provisioning of data on temporarily available nodes is what makes elastic database services a hard problem. The essential task that enables elastic data services is bringing a node and its data up-to-date. Strategies for high availability do not satisfy the need in this context because they bring nodes online and up-to-date by repeating history, e.g., by log shipping. Nodes must become up-to-date and useful for query processing incrementally by key range. What is wanted is a technique such that in a newly added node, d

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Franczyk, Anna, Damian Gwiżdż, and Andrzej Leśniak. "Performance of 3D Wave Field Modeling Using the Staggered Grid Finite Difference Method with General-Purpose Processors." Energies 13, no. 17 (2020): 4573. http://dx.doi.org/10.3390/en13174573.

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This paper aims to provide a quantitative understanding of the performance of numerical modeling of a wave field equation using general-purpose processors. In particular, this article presents the most important aspects related to the memory workloads and execution time of the numerical modeling of both acoustic and fully elastic waves in isotropic and anisotropic mediums. The results presented in this article were calculated for the staggered grid finite difference method. Our results show that the more realistic the seismic wave simulations that are performed, the more the demand for memory

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Nurimbetov, Timur, Sukhrob Umarov, Zulfiya Khafizova, et al. "Optimization of the main parameters of the support-lump-breaking coil." Eastern-European Journal of Enterprise Technologies 2, no. 1 (110) (2021): 27–36. http://dx.doi.org/10.15587/1729-4061.2021.229184.

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Agricultural land plays an important role in ensuring food security and employment in rural areas. For many years, the planned economy has forced Uzbekistan to grow water-intensive crops, which has led to declining land productivity and increased crop yields. In a market economy, new innovative technologies are in high demand not only in agriculture but also in other sectors. In order to solve the above-mentioned problems, our research has found it necessary to set goals and objectives. The purpose of the study was to substantiate the parameters of frontal plowing slope, which provides high-qu

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Seadawy, Aly, Asghar Ali, and Adil Jhangeer. "Analytical methods: Nonlinear longitudinal wave equation in a magnetoelectro-elastic circular rod, foam drainage and modified Degasperis–Procesi models arising in nonlinear water wave models." Modern Physics Letters B 34, no. 26 (2020): 2050278. http://dx.doi.org/10.1142/s0217984920502784.

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We form the analytical solitary wave solutions with the execution of generalized direct algebraic technique on three well-known nonlinear wave models, namely, called foam drainage, longitudinal magnetoelectro-elastic circular rod and modified Degasperis–Procesi equations. The derived solutions are hyperbolic functions in which some are plotted graphically on meticulous values to the parameters which provides the basic knowledge to understand physical significant of these three wave models. The obtained solutions show the efficiency and precision of our scheme. These derived new results prove t

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Brauner, Douglas, Cristiano Costa, Adenauer Yamin, Vinicius Facco, and Rodrigo Da Rosa Righi. "ElBench: a microbenchmark to evaluate virtual machine and container strategies on executing elastic applications in the cloud." International Journal of Computational Science and Engineering 1, no. 1 (2019): 1. http://dx.doi.org/10.1504/ijcse.2019.10021443.

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Righi, Rodrigo Da Rosa, Douglas Brauner, Vinicius Facco Rodrigues, Cristiano André Da Costa, and Adenauer Correa Yamin. "ElBench: a microbenchmark to evaluate virtual machine and container strategies on executing elastic applications in the cloud." International Journal of Computational Science and Engineering 21, no. 3 (2020): 457. http://dx.doi.org/10.1504/ijcse.2020.106068.

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Martínez, Fernando, Pablo Abián, Fernando Jiménez, and Javier Abián-Vicén. "The Effects of Eccentric Contraction Execution Time on the Properties of the Patellar Tendon." International Journal of Environmental Research and Public Health 19, no. 15 (2022): 9296. http://dx.doi.org/10.3390/ijerph19159296.

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The purpose of this study was to assess the effects of eccentric contraction execution time on the morphological and elastic properties of the patellar tendon (PT) in a six-week, single-leg decline squat (SLDS) exercise training program. In addition, the effects of a six-week detraining period on the same variables were evaluated. Fifty participants were randomized into the control group (CG; n = 15), experimental group 1 (EG6s; n = 17; eccentric contraction execution time = 6 s) and experimental group 2 (EG3s; n = 18; eccentric contraction execution time = 3 s). The thickness and elastographi

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Shin, Hyunho. "Manual of GUI Program Governing ABAQUS Simulations of Bar Impact Test for Calibrating Bar Properties, Measured Strain, and Impact Velocity." Data 8, no. 3 (2023): 54. http://dx.doi.org/10.3390/data8030054.

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Bar impact instruments, such as the (split) Hopkinson bars and direct impact Hopkinson bars, measure blast/impact waves or mechanical properties of materials at high strain rates. To effectively use such instruments, it is essential to know (i) the elastic properties of the bar, (ii) the correction factor of the measured strain, and (iii) information on impact velocity. This paper presents a graphic-user-interface (GUI) program prepared for solving these fundamental issues. We describe the directory structure of the program, roles and relations of associated files, GUI panels, algorithm, and e

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Timur, Nurimbetov, Umarov Sukhrob, Khafizova Zulfiya, et al. "Optimization of the main parameters of the support-lump-breaking coil." Eastern-European Journal of Enterprise Technologies 2, no. 1(110) (2021): 27–36. https://doi.org/10.15587/1729-4061.2021.229184.

Full text

Abstract:

Agricultural land plays an important role in ensuring food security and employment in rural areas. For many years, the planned economy has forced Uzbekistan to grow water-intensive crops, which has led to declining land productivity and increased crop yields. In a market economy, new innovative technologies are in high demand not only in agriculture but also in other sectors. In order to solve the above-mentioned problems, our research has found it necessary to set goals and objectives. The purpose of the study was to substantiate the parameters of frontal plowing slope, which provides high-qu

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Záborský, Vladimír, Gourav Kamboj, Adam Sikora, and Vlastimil Borůvka. "Effects of selected factors on spruce dowel joint stiffness." BioResources 14, no. 1 (2018): 1127–40. http://dx.doi.org/10.15376/biores.14.1.1127-1140.

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Joints are used to join furniture parts, and they represent a critical part of the structure of furniture. The quality of joints is greatly affected by the accuracy of their execution. When designing furniture, it is important to carefully consider the type of joint used so that it can hold all the joined elements together. Under loading of the joined structures, internal forces develop, which can lead to failure of the joints. This study investigated the elastic stiffness of spruce (Picea abies L.) dowel joints. The effects of selected factors such as the type of loading (compressive versus t

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Spillman, Mark J., Kenneth Shankland, Adrian C. Williams, and Jason C. Cole. "CDASH: a cloud-enabled program for structure solution from powder diffraction data." Journal of Applied Crystallography 48, no. 6 (2015): 2033–39. http://dx.doi.org/10.1107/s160057671502049x.

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The simulated annealing approach to crystal structure determination from powder diffraction data, as implemented in theDASHprogram, is readily amenable to parallelization at the individual run level. Very large scale increases in speed of execution can be achieved by distributing individualDASHruns over a network of computers. TheCDASHprogram delivers this by using scalable on-demand computing clusters built on the Amazon Elastic Compute Cloud service. By way of example, a 360 vCPU cluster returned the crystal structure of racemic ornidazole (Z′ = 3, 30 degrees of freedom)ca40 times faster tha

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