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Journal articles on the topic 'E CONFIGURATION'

Author: Grafiati

Published: 11 September 2023

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1

Timm, J. David, and Frank Papenmeier. "Processing spatial configurations in visuospatial working memory is influenced by shifts of overt visual attention." PLOS ONE 18, no. 2 (2023): e0281445. http://dx.doi.org/10.1371/journal.pone.0281445.

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When memorizing multiple objects, humans process them in relation to each other, proposing a configuration benefit. Shifts in overt visual attention through eye movements might influence the processing of spatial configurations. Whereas some research suggests that overt visual attention aids the processing of spatial representations, other research suggests a snapshot-like processing of spatial configurations, thus likely not relying on eye movements. In the first experiment, we focused on the comparison between an enforced fixation and a free view condition regarding configurational effects.

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Huang, Zhi Gao, Qian Feng, Yong Shen Li, Feng Ming Zhang, and You Wei Du. "Monte Carlo Simulation of Configurational Anisotropy of Magnetic Cluster." Materials Science Forum 475-479 (January 2005): 3161–64. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3161.

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In this paper, the spin configuration and the configurational anisotropy of the clusters were studied by Monte Carlo simulations. An easy magnetization directions and a configurational anisotropy were found for the clusters using the hysteresis and spin configurations in different magnetization processes, and the simulated natural angle and energy distribution. It is considered that the configurational anisotropy is mainly attributed to the non-uniformity in spin configurations.

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Agmon, Eran, Alexander J. Gates, Valentin Churavy, and Randall D. Beer. "Exploring the Space of Viable Configurations in a Model of Metabolism–Boundary Co-construction." Artificial Life 22, no. 2 (2016): 153–71. http://dx.doi.org/10.1162/artl_a_00196.

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We introduce a spatial model of concentration dynamics that supports the emergence of spatiotemporal inhomogeneities that engage in metabolism–boundary co-construction. These configurations exhibit disintegration following some perturbations, and self-repair in response to others. We define robustness as a viable configuration's tendency to return to its prior configuration in response to perturbations, and plasticity as a viable configuration's tendency to change to other viable configurations. These properties are demonstrated and quantified in the model, allowing us to map a space of viable

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Kudsk, Anders, Lars Hvam, and Christian Langhoff Thuesen. "Using a Configuration System to Design Toilets and Place Installation Shafts." Open Construction and Building Technology Journal 7, no. 1 (2013): 158–69. http://dx.doi.org/10.2174/1874836801307010158.

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The aim of this research is to discover how configuration systems can support a product’s design process when a high degree of variation is required and a very open or endless space exists for possible configurations. The article is based on an industrial case involving a firm that wishes to offer a bathroom configurator to architects. The aim of the configurator is to help architects design a bathroom according to relevent requirements and norms. In offering the configurator, the firm aims to enable a design that can be coordinated with a prefabricated installation shaft sold by the firm, and

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Li, Yunwang, Sumei Dai, Lala Zhao, Xucong Yan, and Yong Shi. "Topological Design Methods for Mecanum Wheel Configurations of an Omnidirectional Mobile Robot." Symmetry 11, no. 10 (2019): 1268. http://dx.doi.org/10.3390/sym11101268.

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A simple and efficient bottom-roller axle intersections approach for judging the omnidirectional mobility of the Mecanum wheel configuration is proposed and proved theoretically. Based on this approach, a sub-configuration judgment method is derived. Using these methods, on the basis of analyzing the possible configurations of three and four Mecanum wheels and existing Mecanum wheel configurations of robots in practical applications, the law determining wheel configuration is elucidated. Then, the topological design methods of the Mecanum wheel configurations are summarized and refined, includ

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Ngoc, Hoang Van, Trieu Quynh Trang, Air Xayyadeth, and Chu Viet Ha. "Doping two boron atoms in germanene nanoribbons in an external electric field." Journal of Physics: Conference Series 2070, no. 1 (2021): 012130. http://dx.doi.org/10.1088/1742-6596/2070/1/012130.

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Abstract Germanene is a two-dimensional system made of germanium atoms, its configuration is hexagonal honeycomb. Germanene nanoribbons (GNRs) are one-dimensional systems made from germanene with hydrogen-modified edges. The GNRs configuration studied here consists of 12 germanium atoms and 4 hydrogen atoms per unit cell. This work investigated the doping of two boron atoms into the unit cell of GNRs. Changing the different doping sites produces different configurations, the configurations been studied as meta-configuration, para-configuration, and ortho-configuration. By using density functio

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Sobecki, Christopher, Jie Zhang, and Cheng Wang. "Dynamics of a Pair of Paramagnetic Janus Particles under a Uniform Magnetic Field and Simple Shear Flow." Magnetochemistry 7, no. 1 (2021): 16. http://dx.doi.org/10.3390/magnetochemistry7010016.

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We numerically investigate the dynamics of a pair of circular Janus microparticles immersed in a Newtonian fluid under a simple shear flow and a uniform magnetic field by direct numerical simulation. Using the COMSOL software, we applied the finite element method, based on an arbitrary Lagrangian-Eulerian approach, and analyzed the dynamics of two anisotropic particles (i.e., one-half is paramagnetic, and the other is non-magnetic) due to the center-to-center distance, magnetic field strength, initial particle orientation, and configuration. This article considers two configurations: the LR-co

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Liu, Jinguo, Xin Zhang, Ketao Zhang, Jian S. Dai, Shujun Li, and Qi Sun. "Configuration analysis of a reconfigurable Rubik's snake robot." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 9 (2018): 3137–54. http://dx.doi.org/10.1177/0954406218805112.

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Versatility and adaptability are the most prominent advantages of reconfigurable modular robotic systems. Unlike integrated robotic systems, reconfigurable modular robots can be rearranged to adapt to unpredictable environments. This paper presents a novel reconfigurable modular robot inspired by the Rubik's snake toy. For this reconfigurable Rubik's snake robot, the special feature is that it can work as not only a mechanism but also as a reconfigurable structure. In this paper, the configuration analysis is the core content. The concept of valid configurations is proposed to describe valid,

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Van Riel, Allard C. R., Jie J. Zhang, Lee Phillip McGinnis, Mohammad G. Nejad, Milos Bujisic, and Paul A. Phillips. "A framework for sustainable service system configuration." Journal of Service Management 30, no. 3 (2019): 349–68. http://dx.doi.org/10.1108/josm-12-2018-0396.

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Purpose While innovative service systems may create substantial value for certain stakeholders, they often destroy value for others. This value paradox frequently leads to unsustainable service systems. The purpose of this paper is to explore the use of multiple theories to pinpoint and explain these value paradoxes, build a framework allowing potentially more sustainable value configuration of service systems and develop an agenda for future research. The framework is illustrated with examples from the hospitality industry. Design/methodology/approach The paper draws on prevalent theories and

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Morehouse, Aaron, Kelton C. Ireland, and Gobinda C. Saha. "An Investigation into the Effects of Electric Field Uniformity on Electrospun TPU Fiber Nano-Scale Morphology." Micromachines 14, no. 1 (2023): 199. http://dx.doi.org/10.3390/mi14010199.

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ANSYS Maxwell was used to replicate the conditions of two potential electrospinning configurations: a needle–plate and a parallel-plate configuration. Simulations showed that the electric field generated within the parallel-plate configuration was much more uniform than that within the needle–plate configuration. Both configurations were assembled and used electrospin fibers at three different spinning distances (10 cm, 12 cm, and 15 cm), at a consistent electric field strength of 1.7 kV/cm. Scanning electron microscopy was used to compare the morphologies of the fibers produced in both config

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Silva-Muñoz, Moisés, Alberto Franzin, and Hugues Bersini. "Automatic configuration of the Cassandra database using irace." PeerJ Computer Science 7 (August 5, 2021): e634. http://dx.doi.org/10.7717/peerj-cs.634.

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Database systems play a central role in modern data-centered applications. Their performance is thus a key factor in the efficiency of data processing pipelines. Modern database systems expose several parameters that users and database administrators can configure to tailor the database settings to the specific application considered. While this task has traditionally been performed manually, in the last years several methods have been proposed to automatically find the best parameter configuration for a database. Many of these methods, however, use statistical models that require high amounts

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Ali, Hafiz, Arslan Bhatti, and Muzaffar Ali. "An experimental investigation of performance of a double pass solar air heater with thermal storage medium." Thermal Science 19, no. 5 (2015): 1699–708. http://dx.doi.org/10.2298/tsci140824140a.

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The performance of a double pass solar air heater was experimentally investigated using four different configurations. First configuration contained only absorber plate whereas copper tubes filled with thermal storage medium (paraffin wax) were added on the absorber plate in the second configuration. Aluminum and steel rods as thermal enhancer were inserted in the middle of paraffin wax of each tube for configurations three and four respectively. Second configuration provided useful heat for about 1.5 hours after the sunset compared to first configuration. Configurations three and four provide

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Lähteenmäki, Jarno, and Juuso Töyli. "Platform based Innovation Ecosystems: Value Network Configuration Perspective." Journal of Innovation Management 11, no. 1 (2023): 68–97. http://dx.doi.org/10.24840/2183-0606_011.001_0004.

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A platform-based innovation ecosystem links multiple markets and their corresponding stakeholders for joint value creation and innovation around a platform, and it is critical for the platform sponsor to manage the configuration efficiently for maximized value and survival. Through a multi-case study, we propose a configurational framework for platform ecosystems to analyze multi-stakeholder business structures, boundary decisions and their relationships. We define the context as for-profit business networks that leverage a digital platform to create multi-sided market circumstances and to eng

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Lim, Stanley Frederick W. T., and Jagjit Singh Srai. "Examining the anatomy of last-mile distribution in e-commerce omnichannel retailing." International Journal of Operations & Production Management 38, no. 9 (2018): 1735–64. http://dx.doi.org/10.1108/ijopm-12-2016-0733.

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Purpose The purpose of this paper is to investigate the interplay between configuration dimensions (network structure, network flow, relationship governance, and service architecture) of last-mile supply networks (LMSN) and the underlying mechanisms influencing omnichannel performance. Design/methodology/approach Based on mixed-method design incorporating a multiple embedded case study, mapping, survey, and archival records, this research involved undertaking in-depth within- and cross-case analyses to examine seven LMSNs, employing a configuration approach. Findings The existing literature in

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Narne, Dharani Kumar, T. A. Ramesh Kumar, and Rama Koteswara Rao Alla. "A novel PV array configuration for enhancing maximum power from PV array." Clean Energy 6, no. 6 (2022): 817–26. http://dx.doi.org/10.1093/ce/zkac054.

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Abstract Partial shading conditions (PSC) are unavoidable and are the main reason for the reduction in power from a photovoltaic (PV) array. With proper arrangement, the impact of PSC can be somewhat mitigated. There are distinct types of configurations, including series, parallel, series-parallel (SP), honeycomb, total cross-tied (TCT), etc. This article presents a novel SP–TCT configuration to maximize output power from PV panels under different shading conditions. The proposed configuration performance has been examined considering a 4 × 4 PV array under long-narrow and long-wide, short-nar

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Dubois, Anna, Kajsa Hulthén, and Viktoria Sundquist. "Organising logistics and transport activities in construction." International Journal of Logistics Management 30, no. 2 (2019): 620–40. http://dx.doi.org/10.1108/ijlm-12-2017-0325.

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Purpose The purpose of this paper is to identify and analyse how different ways of organising transport and logistics activities in construction impact on efficiency. The paper scrutinises three particular transport and logistics configurations: the de-centralised coordinated configuration, the on-site coordinated configuration and the supply network coordinated configuration. Design/methodology/approach Three configurations are derived from the literature and from case studies. The efficiency of the three configurations is analysed on three levels of analysis: the construction site, the suppl

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Raharjo, Akhmadi Puguh. "Simulasi Penempatan Rorak Sebagai Bentuk Pengoptimalan Konservasi Air." Jurnal ALAMI : Jurnal Teknologi Reduksi Risiko Bencana 4, no. 2 (2021): 124–34. http://dx.doi.org/10.29122/alami.v4i2.4558.

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Trenching is a form of soil and water conservation engineering that is commonly used and is known to be effective in controlling runoff and increasing water content in the root zone of plants. There are various configurations of trench placement in the field and this study aims to simulate the placement of trench by comparing the three trench configurations to find out which configuration is most effective in capturing surface runoff. The simulation is carried out by calculating the catchment capacity of surface runoff under different rainfall intensity conditions and runoff coefficients in th

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Dai, Xiaoya, Weidong Zhu, Chao Zhang, Yong Wu, and Xue Hu. "HOW TO MANAGE INTELLECTUAL CAPITAL CONFIGURATIONS TO IMPROVE FIRM PERFORMANCE IN THE INTERNET MEDICAL INDUSTRY." Journal of Business Economics and Management 23, no. 1 (2021): 20–39. http://dx.doi.org/10.3846/jbem.2021.15673.

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The internet medical industry is a new direction of the medical industry; however, internet medical enterprises have been going through a reshuffling period after 2016 and urgently need to improve their performance. The main aim of this study was to reveal the relationship between intellectual capital (IC) configurations and firm performance and guide ideal IC configuration decision to improve the performance of internet medical enterprises in China. First, a mechanism model was constructed to reveal the effects of IC configurations on firm performance, which is contribution to enrich IC confi

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Inal, Sermet, Kadir Gok, Arif Gok, Ahmet Murat Pinar, and Canan Inal. "Comparison of Biomechanical Effects of Different Configurations of Kirschner Wires on the Epiphyseal Plate and Stability in a Salter-Harris Type 2 Distal Femoral Fracture Model." Journal of the American Podiatric Medical Association 109, no. 1 (2019): 13–21. http://dx.doi.org/10.7547/16-112.

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Background: We sought to investigate the different configurations of Kirschner wires used in distal femur Salter-Harris (SH) type 2 epiphyseal fracture for stabilization after reduction under axial, rotational, and bending forces and to define the biomechanical effects on the epiphyseal plate and the fracture line and decide which was more advantageous. Methods: The SH type 2 fracture was modeled using design software for four different configurations: cross, cross-parallel, parallel medial, and parallel lateral with two Kirschner wires, and computer-aided numerical analyses of the different c

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Firoozi, Zahra, N. Ismail, Shahram Ariafar, S. H. Tang, M. K. A. M. Ariffin, and Azizollah Memariani. "Cost Analysis of Two Different Configurations for a Distribution Network Design." Applied Mechanics and Materials 564 (June 2014): 656–60. http://dx.doi.org/10.4028/www.scientific.net/amm.564.656.

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One significant decision in supply chain management is to determine the configuration of the supply chain network. However, studies that analyze different configurations are rare in the literature. This paper considers a supply chain network consisting of one supplier and a number of retailers. Two different configurations were proposed and were compared in terms of total cost for the network. In the first configuration, retailers directly order to the supplier and hold the inventory to meet the demand of customers. However, in the second configuration, a number of intermediate facilities were

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Xu, Yue, and Xian Xi Tang. "Research Methods of Applicable and Durable Configurations of Concrete Bridge." Advanced Materials Research 163-167 (December 2010): 3161–66. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.3161.

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Durability and stress injury of concrete bridge were increasingly prominent on the bridge structure now, the use and safety performances of bridge have been significantly affected. "Applicable and durable configuration" can effectively solve these problems, "applicable and durable" include durability, mechanical properties, enforceability and economy. Impact factors of applicable and durable configuration structural include environmental, vehicle load and material. Combined with the meaning and impact factors of applicable and durable configuration, the proportion of main configurations in who

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Bindhu, K. R., Shahina Ansari, and M. S. Vaisakh. "Influence of Tie Configuration on Seismic Behaviour of Ultra High Performance Concrete Columns." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 1653–61. http://dx.doi.org/10.38208/acp.v1.702.

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Ultra-High-Performance Concrete (UHPC) is one of the latest advances in concrete technology as it overcomes the shortcomings of conventional concrete such as low strength to weight ratio, high permeability, low tensile strength, low ductility, and volume instability. Confinement is capable of increasing capacity of the concrete structure to sustain large deformation without a substantial strength loss. The present study discusses the influence of tie configuration, percentage of longitudinal reinforcement and tie spacing in improving the confinement and behaviour of UHPC columns. In order to d

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Prasad Ojha, Durga, Devesh Kumar, and V. G. K. M. Pisipati. "Smectogenic Behaviour of 7O.6 at it's Phase Transition Temperature: A Computational Analysis Reprint request to." Zeitschrift für Naturforschung A 56, no. 12 (2001): 873–78. http://dx.doi.org/10.1515/zna-2001-1214.

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Abstract A computational analysis has been carried out to determine the configurational preference of a pair of Ar-(4-n-heptyloxybenzylidine)-4-hexylaniline (70.6) molecules with respect to translatory and orien tational motions. The CNDO/2 method has been employed to evaluate the net atomic charge and atom ic dipole components at each atomic centre of the molecule. The configurational energy has been com puted using the modified Rayleigh-Schrödinger perturbation method. The obtained energies were used to calculate the probability of each configuration at phase transition temperature, using

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Pothong, Witit, Phichayut Phinyo, Yuddhasert Sirirungruangsarn, et al. "Biomechanical Analysis of Sagittal Plane Pin Placement Configurations for Pediatric Supracondylar Humerus Fractures." Applied Sciences 11, no. 8 (2021): 3447. http://dx.doi.org/10.3390/app11083447.

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Anterior to posterior (AP) pinning is the recommended sagittal pin configuration in divergent lateral entry coronal pinning of pediatrics supracondylar fractures. However, there was still a lack of evidence regarding alternative sagittal pins configurations. We aimed to compare the construct stiffness of alternative sagittal pin configurations by using synthetic bone models. Sixty synthetic pediatric humeri were osteotomized to create a supracondylar fracture. After the fracture reduction, all specimens were fixed in the coronal plane with divergent lateral entry pin configurations in four dif

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Kuo, Chin-Hsing, and Hong-Sen Yan. "On the Mobility and Configuration Singularity of Mechanisms With Variable Topologies." Journal of Mechanical Design 129, no. 6 (2006): 617–24. http://dx.doi.org/10.1115/1.2717230.

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The mechanisms with variable topologies (MVTs) are usually changing their topological structures in accordance with the varying mobility and quasi-singular configurations. The mobility analysis and configuration singularity of MVTs are studied via screw theory in this paper. The configurations of MVTs are formulated by a set of variable combinations of screw coordinates. For the mobility analysis, two examples provided show that the proposed approach is adoptable for dealing with common MVTs. For the configuration singularity, the concepts of stationary configuration and uncertainty configurat

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Tavanaei, Leila, and Davood Nori-Shargh. "New Insights into the Origin of the cis-Configuration Preferences in 1,2-Dihaloethenes: The Importance of the Bonding Orbital Deviations." Australian Journal of Chemistry 71, no. 1 (2018): 1. http://dx.doi.org/10.1071/ch17219.

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The origin of the preferences for the cis-configurations in 1,2-difluoroethene (1), 1,2-dichloroethene (2), and 1,2-dibromoethene (3) were explored by means of the G3MP2, LC-ωPBE and CCSD(T) methods with the 6–311+G** basis set on all atoms, and natural bond orbital interpretation. On the basis of the results obtained, the cis-configurations preferences decrease in going from compound 1 to compound 3. Effectively, the deletions of the hyperconjugative interactions from the Fock matrices of the cis- and trans-configurations of compound 1 lead to the increase of the trans-conformation stability

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Zhu, Lihua, Pengyu Guo, Chenglong Hua, and Shiyu Shan. "Seismic Performance of an Efficient Scissor-Jack-Damper Configuration." Shock and Vibration 2020 (March 16, 2020): 1–11. http://dx.doi.org/10.1155/2020/2403640.

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Energy-dissipating or damping systems have been widely used in new and retrofitted structures for reducing earthquake damage to structural frames. Most damping devices were installed using diagonal or chevronbrace configurations, until the development of toggle-brace and scissor-jack configurations. This paper presents a modified scissor-jack-damper configuration with substantially improved efficiency. The mechanical behavior of the efficient scissor-jack-damper configuration is analyzed theoretically, and a formula for the displacement magnification factor of the configuration is proposed. A

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Peet, Benjamin. "Coverings of Configurations, Prime Configurations, and Orbiconfigurations." Revista Colombiana de Matemáticas 54, no. 2 (2021): 141–60. http://dx.doi.org/10.15446/recolma.v54n2.93844.

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This exploratory paper considers the notion of a covering of a configuration and G-coverings which are coverings that are quotients under a semi-regular group action. We consider prime configurations, those which cannot G-cover other configurations, before considering orbiconfigurations. These are a generalized notion of a configuration in the spirit of an orbifold. We derive some specific results as to when configurations are prime as well as considering when an orbiconfiguration is bad - that is, when it cannot be G-covered by a configuration. A number of open questions are posited within.

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Mustapić, Nenad, Vladislav Brkić, Željko Duić, and Toni Kralj. "Thermodynamic Optimization of Advanced Organic Rankine Cycle Configurations for Geothermal Energy Applications." Energies 15, no. 19 (2022): 6990. http://dx.doi.org/10.3390/en15196990.

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The Organic Rankine Cycle (ORC) is commonly accepted as a viable technology to convert from low to medium temperature geothermal energy into electrical energy. In practice, the reference technology for converting geothermal energy to electricity is the subcritical simple ORC system. Over time, geothermal ORC plants with more complex configurations (architectures) have been developed. In the open literature, a large number of advanced architectures or configurations have been introduced. An analysis of the scientific literature indicates that there is some confusion regarding the terminology of

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Mitchell, Herschel L., and P. L. Houtekamer. "Ensemble Kalman Filter Configurations and Their Performance with the Logistic Map." Monthly Weather Review 137, no. 12 (2009): 4325–43. http://dx.doi.org/10.1175/2009mwr2823.1.

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Abstract This paper examines ensemble Kalman filter (EnKF) performance for a number of different EnKF configurations. The study is performed in a perfect-model context using the logistic map as forecast model. The focus is on EnKF performance when the ensemble is small. In accordance with theory, it is found that those configurations that maintain an appropriate ensemble spread are indeed those with the smallest ensemble mean error in a data assimilation cycle. Thus, the deficient ensemble spread produced by the single-ensemble EnKF results in increased ensemble mean error for this configurati

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Jiang, Yandan, Xuekai He, Baoliang Wang, Zhiyao Huang, and Manuchehr Soleimani. "On the Performance of a Capacitively Coupled Electrical Impedance Tomography Sensor with Different Configurations." Sensors 20, no. 20 (2020): 5787. http://dx.doi.org/10.3390/s20205787.

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Capacitively coupled electrical impedance tomography (CCEIT) is a new kind of electrical resistance tomography (ERT) which realizes contactless measurement by capacitive coupling and extends traditional resistance measurement to total impedance measurement. This work investigates the performance of a CCEIT sensor with three different configurations, including the unshielded configuration, the shielded configuration A (the CCEIT sensor with the external shield) and the shielded configuration B (the CCEIT sensor with both the external shield and the radial screens). The equivalent circuit models

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Liu, Rulin, Liang Fang, Yue Hao, and Yaqing Chi. "Influence of Oxygen Vacancy Density on the Polaronic Configuration in Rutile." Materials 11, no. 11 (2018): 2156. http://dx.doi.org/10.3390/ma11112156.

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Polaronic configurations that were introduced by oxygen vacancy in rutile TiO2 crystal have been studied by the DFT + U method. It is found that the building block of TiO6 will expand when extra electron is trapped in the central Ti atom as polaron. With manually adjusting the initial geometry of oxygen vacancy structure, a variety of polaronic configurations are obtained after variable-cell relaxation. By calculating different sizes of supercell model, it is found that the most stable configuration can be influenced by the density of oxygen vacancy. With increasing interaction between vacanci

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Miller, Danny. "Challenging trends in configuration research: Where are the configurations?" Strategic Organization 16, no. 4 (2017): 453–69. http://dx.doi.org/10.1177/1476127017729315.

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The configuration approach to the study of organizations is enjoying increasing popularity, in part, due to the methodological advances of qualitative comparative analysis. I argue that there are significant contrasts between earlier taxonomic clustering and typology approaches to configuration and the newer ones being pursued with the qualitative comparative analysis methodology. I compare the two approaches and their application, arguing that what is missing in many studies, old and new, often due to the lack of qualitative evidence, is “configuration itself”—that is, contrasting common, the

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Lubis, Ravide, Bagus Sapto Mulyatno, and Karyanto Karyanto. "OPTIMALISASI DAN ANALISIS DESAIN PARAMETER SEISMIK 3D DARAT BERDASARKAN MODEL GEOLOGI LAPANGAN “RL”." Jurnal Geofisika Eksplorasi 4, no. 2 (2020): 15–30. http://dx.doi.org/10.23960/jge.v4i2.12.

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The design of 3D land seismic parameters is a preliminary step before the acquisition of 3D land seismic data to obtain seismic data quality and efficient survey budget. The objective of this research is to obtain high quality of 3D land seismic data based on fold coverage spread on each target layer. The method used is based on the principle of wave propagation or ray tracing method on each target layer, wherein each wave reflection point (bin) will have a different value of fold so that the required configuration of the stretch that will result in the optimal spread of the fold. The applied

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Borg, Ingwer, and Patrick Mair. "A Note on Procrustean Fittings of Noisy Configurations." Austrian Journal of Statistics 51, no. 4 (2022): 1–9. http://dx.doi.org/10.17713/ajs.v51i4.1423.

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When comparing two or more multidimensional scaling (MDS) configurations, one usually first eliminates meaningless differences by Procrustean transformations. Such fittings lead to a number of unresolved issues such as the typical shrinkage of the fitted configuration relative to the target or how to interpret major similarity measures under various conditions of noise in the data. We here prove that the shrinkage ratio is equivalent to the correlation of the coordinates of the target and the fitted configuration. Thus, in real-life applications, the fitted configuration is always smaller than

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van Dommelen, Jorrit, and Roelof Vos. "Conceptual design and analysis of blended-wing-body aircraft." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 228, no. 13 (2014): 2452–74. http://dx.doi.org/10.1177/0954410013518696.

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Due to the unconventional nature of the blended wing body (BWB) no off-the-shelf software package exists for its conceptual design. This study details a first step towards the implementation of traditional and BWB-specific design and analysis methods into a software tool to enable preliminary sizing of a BWB. The tool is able to generate and analyze different BWB configurations on a conceptual level. This paper investigates three different BWB configurations. The first configuration is an aft-swept BWB with aft-mounted engines, the second configuration is an aft-swept BWB with wing-mounted eng

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Akcayoglu, Azize, Halil Cebeci, and Celal Nazli. "Thermo-Hydraulic Performance Evaluation of Inclined Vortex Generators." Advanced Materials Research 853 (December 2013): 317–22. http://dx.doi.org/10.4028/www.scientific.net/amr.853.317.

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In the present study, a commercial finite volume package ANSYS FLUENT 14.5 has been used to determine thermo-hydraulic performance of two different vortex generator (VG) configurations, namely, flow-up and flow-down, located in triangular ducts. A comprehensive literature survey on flow-up and flow-down configurations has shown that there are completely opposite results obtained in terms of performance of the two configurations. In some studies, flow-up configuration showed better performance characteristics over flow-down configuration while in other studies flow-down configuration was found

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Cutting, E. D., M. P. F. Sutcliffe, S. J. Langley-Hobbs, and A. M. Wallace. "A biomechanical comparison of six different double loop configurations for use in the lateral fabella suture technique." Veterinary and Comparative Orthopaedics and Traumatology 21, no. 05 (2008): 391–99. http://dx.doi.org/10.3415/vcot-07-10-0095.

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SummarySix different double loop configurations which could be applied to the lateral fabella suture (LFS) technique were subjected to in vitro mechanical testing. Three double loop, single strand and three double loop, double strand configurations were tested. The strongest configuration, with a significantly higher mean ultimate load and load at yield, was the interlocking loop configuration. This is a novel configuration which has not previously been reported. The three double loop, single strand configurations all had higher mean ultimate loads than the double loop, double strand configura

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Rodríguez-Sevillano, Ángel Antonio, Miguel Ángel Barcala-Montejano, Rafael Bardera-Mora, et al. "Selection Criteria for Biplane Wing Geometries by Means of 2D Wind Tunnel Tests." Applied Mechanics 3, no. 2 (2022): 628–48. http://dx.doi.org/10.3390/applmech3020037.

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This paper presents a study based on wind tunnel research on biplane configurations. The objective of this research is to establish an experimental basis for relationships between the main geometrical parameters that define a biplane configuration (stagger, decalage, gap, and sweep angle) and the aerodynamic characteristics (CL, CD). This experimental study focuses on a 2D approach. This method is the first step towards dealing with the issue, and it allows the variables involved in the tests to be reduced. The biplane configuration has been compared with the monoplane configuration to analyze

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Li, Yanan, Honggen Xiao, Naipeng Bu, et al. "Configuration-Based Promotion: A New Approach to Destination Image Sustainability." Sustainability 13, no. 21 (2021): 12174. http://dx.doi.org/10.3390/su132112174.

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The assessment of tourist destination images should not only be the arrangement of multiple influencing factors. This study explores the complex causal relationship for tourist destination images based on a configuration perspective to enhance the overall tourism image using the fuzzy-set qualitative comparative analysis method. The configurational paths for promoting tourism image can be categorized into two types and nine configurations in Shandong Province. Therefore, this study recommends augmenting the tourism image of the entire region with the logical thinking of “segmentation–integrati

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Boumehdi, Ahmed, and Abdellah Yousfi. "Comparison of New Approaches of Semi-syllable Units for Speech Recognition of Any Arabic Word." Journal of Physics: Conference Series 2337, no. 1 (2022): 012002. http://dx.doi.org/10.1088/1742-6596/2337/1/012002.

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Abstract This study uses the same semi-syllable units already defined in our previous work; a semi-syllable is a simple Arabic letter followed by its diacritic information. This work experiment with three configurations. In the first configuration, we redefine the “السكون” (Soukoun is an Arabic diacritical sign representing the absence of a vowel) as a new independent phonemes that is different from the consonant itself. In the second configuration, we also redefine the geminated consonant with a new independent phoneme. In the last configuration, we combined the first two experiments. The res

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Lee, Seung-Min, Seung-Hoon Park, Yong-Sung Jang, and Eui-Jong Kim. "Proposition of Design Capacity of Borehole Heat Exchangers for Use in the Schematic-Design Stage." Energies 14, no. 4 (2021): 822. http://dx.doi.org/10.3390/en14040822.

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This study proposes a simple ground heat exchanger design capacity that is applicable in the schematic-design stage for several configurations used for borehole heat exchangers (BHEs). Three configurations—single, compact, and irregular types—were selected, and the heat transfer rate per unit BHE was calculated considering heat interference. In a case study with a typical configuration and general range of ground thermal conductivity, the BHE heat transfer rate of the compact configuration decreased owing to heat interference as the number of BHEs increased. However, with respect to the irregu

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Burneika, Linas. "Managing Changes in Product Configurations." Solid State Phenomena 144 (September 2008): 208–13. http://dx.doi.org/10.4028/www.scientific.net/ssp.144.208.

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In modern engineering environment all information about product is stored in the PDM (Product Data Management) system. These systems allow enumerated configurations of product by using mechanisms of BOM or versioning. However problems arise when product has a large number of configurations that are updated frequently. This is common situation in market of consumer goods. In the present paper this issue is addressed by extending an engineering configuration concept. An initial idea of engineering configurator is to have a product defined by generic BOM with all possible components. The BOM also

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Borg, Ingwer, and Patrick Mair. "The Choice of Initial Configurations in Multidimensional Scaling: Local Minima, Fit, and Interpretability." Austrian Journal of Statistics 46, no. 2 (2017): 19–32. http://dx.doi.org/10.17713/ajs.v46i2.561.

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Multidimensional scaling (MDS) algorithms can easily end up in local minima, depending on the starting configuration. This is particularly true for 2-dimensional ordinal MDS. A simulation study shows that there can be many local minima that all have an excellent model fit (i.e., small Stress) even if they do not recover a known latent configuration very well, and even if they differ substantially among each other. MDS programs give the user only one supposedly Stress-optimal solution. We here present a procedure for analyzing all MDS solutions resulting from using a variety of different starti

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Ali, Atif, Yaser Hafeez, Sadia Ali, et al. "A Data Mining Technique to Improve Configuration Prioritization Framework for Component-Based Systems: An Empirical Study." Information Technology and Control 50, no. 3 (2021): 424–42. http://dx.doi.org/10.5755/j01.itc.50.3.27622.

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Department of Software Engineering, In the current application development strategies, families of productsare developed with personalized configurations to increase stakeholders’ satisfaction. Product lines have theability to address several requirements due to their reusability and configuration properties. The structuringand prioritizing of configuration requirements facilitate the development processes, whereas it increases theconflicts and inadequacies. This increases human effort, reducing user satisfaction, and failing to accommodatea continuous evolution in configuration requirements.

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Wang, Hejian, Bo Liu, Xiaochen Mao, Botao Zhang, and Zonghao Yang. "Combined Flow Control Strategy Investigation for Corner Separation and Mid-Span Boundary Layer Separation in a High-Turning Compressor Cascade." Entropy 24, no. 5 (2022): 570. http://dx.doi.org/10.3390/e24050570.

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To comprehensively control the corner separation and mid-span boundary layer (BL) separation, this study proposed and evaluated two new flow control configurations. One is a slotted configuration composed of blade-end and whole-span slots, and the other is a combined configuration with end-wall BL suction and whole-span slot. Additionally, the adaptability of the combined configuration to the lower blade solidity (c/t) condition was verified. The results indicate that both the slotted configuration and combined configuration can eliminate the mid-span BL separation, but a better reduction in t

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Tiziani, Simon, Georg Osterhoff, Stephen J. Ferguson, et al. "Biomechanical Comparison of Different External Fixation Configurations for Posttraumatic Pelvic Ring Instability." Advances in Orthopedic Surgery 2014 (February 2, 2014): 1–5. http://dx.doi.org/10.1155/2014/360165.

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Background. External fixation is useful in the primary treatment of pelvic ring injuries. The present study compared the biomechanical stability of five different configurations of an external pelvic ring fixation system. Methods. Five configurations of an anterior external pelvic ring fixation system were tested using a universal testing machine. One single connecting rod was used in group “SINGLE,” two parallel connecting rods in group “DOUBLE,” two and four rods, respectively, in a tent-like configuration in groups “SINGLE TENT” and “DOUBLE TENT,” and a rhomboid-like configuration in group

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Jalaluddin, Akio Miyara, Rustan Tarakka, and Muhammad Anis Ilahi Ramadhani. "Experimental Performance Analysis of Shallow Spiral-tube Ground Heat Exchangers in Series and Parallel Configurations." E3S Web of Conferences 130 (2019): 01017. http://dx.doi.org/10.1051/e3sconf/201913001017.

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Ground source cooling system (GSCS) uses a ground heat exchanger (GHE) for exchanging heat with the ground. A spiral-tube GHE is gaining interest in recent year. This study presents an experimental analysis of thermal performance of shallow spiral-tube ground heat exchanger (GHE) installed in the ground at 3 m depth in series and parallel configurations. These GHE configurations offer a compromise between the conventional vertical and horizontal GHEs. The spiral-tube GHE which is consist of spiral pipe installed in the borehole provides a better performance in application of GSCS. The thermal

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Clark, Adam J., William A. Gallus, and Tsing-Chang Chen. "Comparison of the Diurnal Precipitation Cycle in Convection-Resolving and Non-Convection-Resolving Mesoscale Models." Monthly Weather Review 135, no. 10 (2007): 3456–73. http://dx.doi.org/10.1175/mwr3467.1.

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Abstract The diurnal cycles of rainfall in 5-km grid-spacing convection-resolving and 22-km grid-spacing non-convection-resolving configurations of the Weather Research and Forecasting (WRF) model are compared to see if significant improvements can be obtained by using fine enough grid spacing to explicitly resolve convection. Diurnally averaged Hovmöller diagrams, spatial correlation coefficients computed in Hovmöller space, equitable threat scores (ETSs), and biases for forecasts conducted from 1 April to 25 July 2005 over a large portion of the central United States are used for the compari

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Murdoch, Tim, and Nigel Ball. "Machine learning in configuration design." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 10, no. 2 (1996): 101–13. http://dx.doi.org/10.1017/s0890060400001347.

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AbstractNew methods of configuration analysis have recently emerged that are based on development trends characteristic of many technical systems. It has been found that though the development of any system aims to increase a combination of the performance, reliability and economy, actual design changes are frequently kept to a minimum to reduce the risk of failure. However, a strategy of risk reduction commits the designer to an existing configuration and an approved set of components and materials. Therefore, it is important to analyze the configurations, components, and materials of past de

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