Thematische Bibliographien / Configuration Analysis

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Auswahl der wissenschaftlichen Literatur zum Thema „Configuration Analysis“

Autor: Grafiati

Veröffentlicht am 8. Februar 2025

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Zeitschriftenartikel zum Thema "Configuration Analysis"

Liu, Jinguo, Xin Zhang, Ketao Zhang, Jian S. Dai, Shujun Li und 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, Nr. 9 (06.10.2018): 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, controllable, and non-interference configurations. The configuration analysis theories are introduced in accordance with the configuration representation, the isomorphism analysis, the interference analysis, and the motion sequence analysis. Here, the configuration representation is proposed to define the position and orientation of two modules by using the adjacency matrix and the binary digital code, respectively. The equivalent digital code and the configuration ring are used to distinguish the same or symmetric configurations for the open and closed isomorphism configurations, respectively. Meanwhile, a case study is conducted to verify the effectiveness of the isomorphism analysis. Furthermore, the working space interference method is introduced to detect the interference issue in the process of forming target configurations. To accomplish a target configuration properly, the motion sequence matrix is defined to describe the motion sequence for achieving a target configuration. Finally, an experiment on the configuration transformation is demonstrated to verify the rationality and correctness of the theories of configuration analysis.

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Firoozi, Zahra, N. Ismail, Shahram Ariafar, S. H. Tang, M. K. A. M. Ariffin und Azizollah Memariani. „Cost Analysis of Two Different Configurations for a Distribution Network Design“. Applied Mechanics and Materials 564 (Juni 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 established to order products from the supplier and satisfy the demands of retailers. The inventory of retailers in the latter configuration is stored in the intermediate facilities. These two configurations were compared in terms of total cost. Numerical calculations indicate that the latter configuration was preferred in most cases.

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van Dommelen, Jorrit, und 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, Nr. 13 (29.01.2014): 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 engines and the third configuration is a forward-swept BWB with wing-mounted engines. These aircraft comply with the same set of top-level requirements and airworthiness requirements. Each of the designs has been optimized for maximum harmonic range, while keeping its maximum take-off weight constant and identical. Results show that the forward-swept configuration with wing-mounted engines has the highest harmonic range. These findings warrant further investigation in this configuration and other alternative BWB configurations.

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Pothong, Witit, Phichayut Phinyo, Yuddhasert Sirirungruangsarn, Kriengkrai Nabudda, Nattamon Wongba, Chatchawarl Sarntipiphat und Dumnoensun Pruksakorn. „Biomechanical Analysis of Sagittal Plane Pin Placement Configurations for Pediatric Supracondylar Humerus Fractures“. Applied Sciences 11, Nr. 8 (12.04.2021): 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 different patterns in the sagittal plane: AP, crossed, divergent and parallel sagittal pin configuration. Each configuration was tested with five loading patterns. The AP sagittal pin had significantly lower construct stiffness than the divergent (p = 0.003) and the parallel sagittal pin configuration (p = 0.005) in external rotation loading tests. The divergent sagittal pin had the highest construct stiffness in extension, valgus, and external rotation loads, but the parallel sagittal pin had lower construct stiffness under extension load than the divergent and crossed sagittal pin configurations. The divergent sagittal pin configuration provides greater construct stiffness than other sagittal pin configurations due to the maximal pin spreading distance at the fracture site and the pin angle lock mechanism.

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Noviana, Medi, und Sunny Arief Sudiro. „AUTOMATION OF THE BERT AND RESNET50 MODEL INFERENCE CONFIGURATION ANALYSIS PROCESS“. JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) 10, Nr. 2 (19.11.2024): 324–32. http://dx.doi.org/10.33480/jitk.v10i2.5053.

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Inference is the process of using models to make predictions on new data, performance is measured based on throughput, latency, GPU memory usage, and GPU power usage. The models used are BERT and ResNet50. The right configuration can be used to maximise inference. Configuration analysis needs to be done to find out which configuration is right for model inference. The main challenge in the analysis process lies in its inherent time-intensive nature and inherent complexity, making it a task that is not simple. The analysis needs to be made easier by building an automation programme. The automation programme analyses the BERT model inference configuration by dividing 10 configurations namely bert-large_config_0 to bert-large_config_9, the result is that the right configuration is bert-large_config_2 resulting in a throughput of 12.8 infer/sec with a latency of 618 ms. While the ResNet50 model is divided into 5 configurations, namely resnet50_config_0 to resnet50_config_4, the result is that the right configuration is resnet50_config_1 which produces a throughput of 120.6 infer/sec with a latency of 60.9 ms. The automation programme has the benefit of facilitating the process of analysing the inference configuration.

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Prasad Ojha, Durga, Devesh Kumar und 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, Nr. 12 (01.12.2001): 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 Maxwell-Boltz-mann's formula. The flexibility of various configurations has been studied in terms of variations of the probability due to small departures from the most probable configuration. The results are discussed in the light of experimental as well as other theoretical observations. The smectogenic character of the molecule has been correlated with the parameters introduced in this paper.

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Sun, X. K., X. J. Xin und Z. J. Pei. „Finite Element Analysis of Die-Strength Testing Configurations for Thin Wafers“. Journal of Electronic Packaging 127, Nr. 2 (04.05.2004): 189–92. http://dx.doi.org/10.1115/1.1869510.

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This paper presents an assessment of four die-strength testing configurations using finite element analysis. The simulation indicates that ring-on-ring configuration is the best because it generates a uniform stress field on a large die surface area. The four-point-bend configuration ranks second and the three-point-bend configuration is third. The pin-on-ring configuration is the worst because the stress gradient is severe in the central region. To minimize uncertainty in the loading positions, it is advised that loading rings or bars with small radii be used.

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Fu, Rong, Jianting Guo, Renhao Wu und Haoran Liu. „Design and Hydrodynamic Performance Analysis of Offshore Multi-Module Floating Docks“. Journal of Physics: Conference Series 2565, Nr. 1 (01.08.2023): 012018. http://dx.doi.org/10.1088/1742-6596/2565/1/012018.

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Abstract This study presents a design scheme for a multi-module connected floating dock, comprising two configurations for the lower floating body: transverse and longitudinal floats. An articulated connection between the modules is also included. The hydrodynamic performance of the floating dock with these two configurations is compared and analyzed by taking the South China Sea as an example. Frequency and time-domain analysis methods are employed, considering the coupling between the mooring and the multi-module floating dock. The results indicate that, under the condition of both cross waves and oblique waves, the transverse float configuration exhibits superior motion response performance in all degrees of freedom compared to the longitudinal float configuration, particularly in terms of roll performance. Furthermore, the maximum mooring tension and connection structure load for the transverse float configuration are lower than those for the longitudinal float configuration, resulting in superior overall hydrodynamic performance.

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Zhang, Jialu, Ruzica Piskac, Ennan Zhai und Tianyin Xu. „Static detection of silent misconfigurations with deep interaction analysis“. Proceedings of the ACM on Programming Languages 5, OOPSLA (20.10.2021): 1–30. http://dx.doi.org/10.1145/3485517.

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The behavior of large systems is guided by their configurations: users set parameters in the configuration file to dictate which corresponding part of the system code is executed. However, it is often the case that, although some parameters are set in the configuration file, they do not influence the system runtime behavior, thus failing to meet the user’s intent. Moreover, such misconfigurations rarely lead to an error message or raising an exception. We introduce the notion of silent misconfigurations which are prohibitively hard to identify due to (1) lack of feedback and (2) complex interactions between configurations and code. This paper presents ConfigX, the first tool for the detection of silent misconfigurations. The main challenge is to understand the complex interactions between configurations and the code that they affected. Our goal is to derive a specification describing non-trivial interactions between the configuration parameters that lead to silent misconfigurations. To this end, ConfigX uses static analysis to determine which parts of the system code are associated with configuration parameters. ConfigX then infers the connections between configuration parameters by analyzing their associated code blocks. We design customized control- and data-flow analysis to derive a specification of configurations. Additionally, we conduct reachability analysis to eliminate spurious rules to reduce false positives. Upon evaluation on five real-world datasets across three widely-used systems, Apache, vsftpd, and PostgreSQL, ConfigX detected more than 2200 silent misconfigurations. We additionally conducted a user study where we ran ConfigX on misconfigurations reported on user forums by real-world users. ConfigX easily detected issues and suggested repairs for those misconfigurations. Our solutions were accepted and confirmed in the interaction with the users, who originally posted the problems.

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Jalaluddin, Akio Miyara, Rustan Tarakka und 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 performances ofspiraltube GHE in series and parallel configurations were investigated under actual condition. Inlet and outlet temperatures of the both configurations were measured and periodically recorded. The average heat exchange rates of the GHEs are 122.4 W m –1 in parallel configuration and 86.2 W m –1in series configuration. Heat exchange rate of the spiral-tube GHEs in parallel configuration provides a better performance than that of in series configuration. The spiral-tube GHE in shallow depth can be applied in the GSCS.

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Dissertationen zum Thema "Configuration Analysis"

Avén, Joakim. „Analysis of the Z-wing configuration“. Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-12135.

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This thesis will analyze the Z-wing configuration. The Z-wing configuration is basically an airplane that has one of the wings placed at the forward section of the fuselage and the other wing placed on the other side far aft at the fuselage. This configuration creates a lot of different and unwanted forces and moments due to a differential in lift and drag between both the wings and the main objective with this thesis is to get a Z-wing to fly straight and level flight without these strange and unwanted forces and moments over it. Therefore the contribution of the wings different parameters to different moments and forces have been mapped out. Parameters such as the angle of incidence, wing span, dihedral, placement of wings etc. All the calculations done regarding the aerodynamic forces on the Z-wing have been performed in the Tornado, which is a program that runs in MATLAB and uses Vortex Lattice Method for its calculations. The outcome was that a steady level flight was possible. The configuration does have a lot of disadvantages. It will be very difficult to control in pitch, yaw and roll, although a backwards sweep of the front wing and a backwards sweep of the aft wing made roll control much better.

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Nelson, Tim. „First-Order Models for Configuration Analysis“. Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-dissertations/452.

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Our world teems with networked devices. Their configuration exerts an ever-expanding influence on our daily lives. Yet correctly configuring systems, networks, and access-control policies is notoriously difficult, even for trained professionals. Automated static analysis techniques provide a way to both verify a configuration's correctness and explore its implications. One such approach is scenario-finding: showing concrete scenarios that illustrate potential (mis-)behavior. Scenarios even have a benefit to users without technical expertise, as concrete examples can both trigger and improve users' intuition about their system. This thesis describes a concerted research effort toward improving scenario-finding tools for configuration analysis. We developed Margrave, a scenario-finding tool with special features designed for security policies and configurations. Margrave is not tied to any one specific policy language; rather, it provides an intermediate input language as expressive as first-order logic. This flexibility allows Margrave to reason about many different types of policy. We show Margrave in action on Cisco IOS, a common language for configuring firewalls, demonstrating that scenario-finding with Margrave is useful for debugging and validating real-world configurations. This thesis also presents a theorem showing that, for a restricted subclass of first-order logic, if a sentence is satisfiable then there must exist a satisfying scenario no larger than a computable bound. For such sentences scenario-finding is complete: one can be certain that no scenarios are missed by the analysis, provided that one checks up to the computed bound. We demonstrate that many common configurations fall into this subclass and give algorithmic tests for both sentence membership and counting. We have implemented both in Margrave. Aluminum is a tool that eliminates superfluous information in scenarios and allows users' goals to guide which scenarios are displayed. We quantitatively show that our methods of scenario-reduction and exploration are effective and quite efficient in practice. Our work on Aluminum is making its way into other scenario-finding tools. Finally, we describe FlowLog, a language for network programming that we created with analysis in mind. We show that FlowLog can express many common network programs, yet demonstrate that automated analysis and bug-finding for FlowLog are both feasible as well as complete.

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Kuna, Tobias. „Studies in configuration space analysis and applications“. Bonn [Germany] : Rheinischen Friedrich-Wilhelms-Universität, 1999. http://catalog.hathitrust.org/api/volumes/oclc/45762540.html.

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Marchesi, Chiara. „Conformational analysis and absolute configuration of Spiropyrazolones“. Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13968/.

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The relative configuration of the four stereocenters of spiropyrazolones 1, epi-1 and 2 was determined by NMR-NOE analysis. It turned out that while compound 1 has the 1R*, 2S*, 3R*, 4S* relative configuration, epi-1 is the diastereoisomer at the C-4 (1R*, 2S*, 3R*, 4R* relative configuration). A full conformational analysis was performed by Molecular Mechanics (MMFF field) scan of the potential energy surface, and the best conformations were optimized by DFT calculations, including the effect of the solvent in the calculations. The absolute configuration of the three compounds was then determined by the comparison of the Electronic CD spectra with the simulated spectra obtained by TD-DFT calculations. Four different functionals were used to achieve data redundancy and a more reliable assignment. The 1R, 2S, 3R, 4S absolute configuration was determined for 1, the 1R, 2S, 3R, 4R for epi-1 and the 1S, 2R, 3S, 4R for compound 2.

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Perez, Caceres Leslie. „Automatic Algorithm Configuration: Analysis, Improvements and Applications“. Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/262048.

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Technology has a major role in today’s world. The development and massive access to information technology has enabled the use of computers to provide assistance on a wide range of tasks, from the most trivial daily ones to the most complex challenges we face as human kind. In particular, optimisation algorithms assist us in taking decisions, improving processes, designing solutions and they are successfully applied in several contexts such as industry, health, entertainment, and so on. The design and development of effective and efficient computational algorithms is, thus, a need in modern society.Developing effective and efficient optimisation algorithms is an arduous task that includes designing and testing of several algorithmic components and schemes, and requires considerable expertise. During the design of an algorithm, the developer defines parameters, that can be used to further adjust the algorithm behaviour depending on the particular application. Setting appropriate values for the parameters of an algorithm can greatly improve its performance. This way, most high-performing algorithms define parameter settings that are “finely tuned”, typically by experts, for a particular problem or execution condition.The process of finding high-performing parameter settings, called algorithm configuration, is commonly a challenging, tedious, time consuming and computationally expensive task that hinders the application and design of algorithms. Nevertheless, the algorithm configuration process can be modelled as an optimisation problem itself and optimisation techniques can be applied to provide high-performing configurations. The use of automated algorithm configuration procedures, called configurators, allows obtaining high-performing algorithms without requiring expert knowledge and it enables the design of more flexible algorithms by easing the definition of design choices as parameters to be set. Ultimately, automated algorithm configuration could be used to fully automatise the algorithm development process, providing algorithms tailored to the problem to be solved.The aim of the work presented in this thesis is to study the automated configuration of algorithms. To do so, we formally define the algorithm configuration problem and analyse its characteristics. We study the most prominent algorithm configuration procedures and identify relevant configuration techniques and their applicability. We contribute to the field by proposing and analysing several configuration procedures, being the most prominent of these the irace configurator. This work presents and studies several modifications of the configuration process implemented by irace, which considerably improve the performance of irace and broaden its applicability. In a general context, we provide insights about the characteristics of the algorithm configuration process and techniques by performing several analyses configuring different types of algorithms under varied situations. And, finally, we provide practical examples of the usage of automated configuration techniques showing its benefits and further uses for the application and design of efficient and effective algorithms.
Doctorat en Sciences de l'ingénieur et technologie
info:eu-repo/semantics/nonPublished

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Williams, Robert L. „Planar robotic mechanisms: analysis and configuration comparison“. Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/54462.

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Robotic mechanisms are defined in this dissertation to be closed-loop, in-parallel actuated mechanical devices possessing several degrees-of-freedom. Parallel robotic mechanisms have recently received attention in the robotics literature as a potential alternative to the existing serial industrial robot. Serial robots are in a cantilever configuration which makes them relatively compliant and Ieads to poor accuracy. Many serial manipulators have motors that are carried on moving links which limits dynamic performance. Robotic mechanisms are in a parallel configuration which provides excellent stiffness, load-bearing, and accuracy. Robotic mechanisms combine the advantages of serial robots and closed-loop single-degree-of-freedom mechanisms to form a versatile new robotic tool. This dissertation presents theoretical kinematic analysis and design of planar robotic mechanisms. The topics covered are type and number synthesis, kinematic position solution, velocity and acceleration analysis, kinetostatic analysis, workspace optimization, and link interference avoidance. Throughout this work, comparisons are made among three general manipulator configurations: serial, parallel-serial, and fully parallel. Strengths and limitations are discussed for each configuration type. This investigation provides the analytical foundation for implementation of planar robotic mechanisms. Closed-form solutions to the kinematic position, velocity, and acceleration problems are presented. Manipulator reachable hand areas are maximized. An underlying theme of this work is tradeoffs between competing factors relating to various configurations of parallel robotic mechanisms; these tradeoffs are important design considerations. The recommendation of this dissertation is to pursue practical development of robotic mechanisms for general industrial manipulation tasks.
Ph. D.

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Ellingsæter, Jenny Marie, und Frode Sandholtbråten. „Algorithms and Approaches for Configuration-less Log Analysis“. Thesis, Norwegian University of Science and Technology, Department of Computer and Information Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9095.

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System logs contain messages from a wide range of applications. They are the natural starting point when troubleshooting a system. The usual approach for analysing system logs is to write a number of regular expressionsto match specific keywords and events. When the number of expressions grows large, the analysis solution becomes unmaintainable. In addition, the use of regular expressions requires the system administrator to have extensive knowledge of the system at hand. This thesis presents methods for performing log analysis without regular expressions. This is an area of system administration that has attracted very few researchers. Therefore, little published research is available on the subject. Much effort has been put into the task of generating patterns from log file. These patterns are an important prerequisites for statistical analysis. Patterns could also be used to identify transactions for use in Markov models. None of the existing pattern mining algorithm for system logs produce satisfactory results. To solve the task at hand, a new method for mining patterns is developed. Several different approaches were tested. An approach based on inserting log lines into a tree structure turned out to be a very promising. It outputs good quality patterns and its resource use is moderate. Log analysis without prior knowledge of the system at hand have been proven difficult. This thesis shows that methods where some basic knowl- edge of systems in general is exploited, are the most promising ones. Other approaches based on Markov models and neural networks are suggested in this thesis, but they have not been tested to full extend and require some more work before being useful.

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Bevan, Jennifer Louise. „Software instability analysis : co-change analysis across configuration-based dependence relationhips /“. Diss., Digital Dissertations Database. Restricted to UC campuses, 2006. http://uclibs.org/PID/11984.

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Ikeda, Toshihiro, und toshi ikeda@gmail com. „Aerodynamic Analysis of a Blended-Wing-Body Aircraft Configuration“. RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070122.163030.

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In recent years unconventional aircraft configurations, such as Blended-Wing-Body (BWB) aircraft, are being investigated and researched with the aim to develop more efficient aircraft configurations, in particular for very large transport aircraft that are more efficient and environmentally-friendly. The BWB configuration designates an alternative aircraft configuration where the wing and fuselage are integrated which results essentially in a hybrid flying wing shape. The first example of a BWB design was researched at the Loughead Company in the United States of America in 1917. The Junkers G. 38, the largest land plane in the world at the time, was produced in 1929 for Luft Hansa (present day; Lufthansa). Since 1939 Northrop Aircraft Inc. (USA), currently Northrop Grumman Corporation and the Horten brothers (Germany) investigated and developed BWB aircraft for military purposes. At present, the major aircraft industries and several universities has been researching the BWB concept aircraft for civil and military activities, although the BWB design concept has not been adapted for civil transport yet. The B-2 Spirit, (produced by the Northrop Corporation) has been used in military service since the late 1980s. The BWB design seems to show greater potential for very large passenger transport aircraft. A NASA BWB research team found an 800 passenger BWB concept consumed 27 percent less fuel per passenger per flight operation than an equivalent conventional configuration (Leiebeck 2005). The purpose of this research is to assess the aerodynamic efficiency of a BWB aircraft with respect to a conventional configuration, and to identify design issues that determine the effectiveness of BWB performance as a function of aircraft payload capacity. The approach was undertaken to develop a new conceptual design of a BWB aircraft using Computational Aided Design (CAD) tools and Computational Fluid Dynamics (CFD) software. An existing high-capacity aircraft, the Airbus A380 Contents RMIT University, Australia was modelled, and its aerodynamic characteristics assessed using CFD to enable comparison with the BWB design. The BWB design had to be compatible with airports that took conventional aircraft, meaning a wingspan of not more than 80 meters for what the International Civil Aviation Organisation (ICAO) regulation calls class 7 airports (Amano 2001). From the literature review, five contentions were addressed; i. Is a BWB aircraft design more aerodynamically efficient than a conventional aircraft configuration? ii. How does the BWB compare overall with a conventional design configuration? iii. What is the trade-off between conventional designs and a BWB arrangement? iv. What mission requirements, such as payload and endurance, will a BWB design concept become attractive for? v. What are the practical issues associated with the BWB design that need to be addressed? In an aircraft multidisciplinary design environment, there are two major branches of engineering science; CFD analysis and structural analysis; which is required to commence producing an aircraft. In this research, conceptual BWB designs and CFD simulations were iterated to evaluate the aerodynamic performance of an optimal BWB design, and a theoretical calculation of structural analysis was done based on the CFD results. The following hypothesis was prompted; A BWB configuration has superior in flight performance due to a higher Lift-to-Drag (L/D) ratio, and could improve upon existing conventional aircraft, in the areas of noise emission, fuel consumption and Direct Operation Cost (DOC) on service. However, a BWB configuration needs to employ a new structural system for passenger safety procedures, such as passenger ingress/egress. The research confirmed that the BWB configuration achieves higher aerodynamic performance with an achievement of the current airport compatibility issue. The beneficial results of the BWB design were that the parasite drag was decreased and the spanwise body as a whole can generate lift. In a BWB design environment, several advanced computational techniques were required to compute a CFD simulation with the CAD model using pre-processing and CFD software.

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Jansen, Marloes Eline. „Spatial configuration in rubberhand illusion research : A meta-analysis“. Thesis, Högskolan i Skövde, Institutionen för biovetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-20621.

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In the rubber hand illusion (RHI), a rubber hand is placed in front of the participant with the participant's hand out of sight. If both hands are touched simultaneously, the illusion typically occurs. Between RHI studies, differences can be seen in the setup, and results of the illusion strength are inconsistent. One of these differences can be the moving RHI, where the real and rubber hand make the same movements to induce the illusion. The differences led to uncertainty regarding the influence of spatial configuration (i.e., an arrangement of the setup within three-dimensional space) on the illusion of body ownership. With this meta-analysis, I quantify the illusion strength in the moving RHI to be able to conclude if spatial configuration influences the results. A total of nine studies were included that had a total of 391 participants. The results show that the synchronous condition has a stronger illusory effect than the asynchronous condition. However, due to heterogeneity, the sample size may not represent the general population. Sub-group analysis showed no major difference in the illusion strength between a vertical and horizontal setup. These observations do not correspond with classical RHI studies in which vertical and horizontal setups were compared. However, in this meta-analysis, only moving RHI studies were included. In the moving RHI, the experimenter does not enter the visual receptive field of the participant, which may explain why no differences between the setups were found. The results of this meta-analysis cannot be seen as definitive; more research is necessary.

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Bücher zum Thema "Configuration Analysis"

U.S. Army Engineer Topographic Laboratories., Hrsg. Terrain analysis procedural guide for surface configuration. Fort Belvoir, Va: U.S. Army Corps of Engineers, Engineer Topographic Laboratories, 1987.

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Lee, In. Static aeroelastic analysis for generic configuration aircraft. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1989.

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John, Child. A configuration analysis of international joint ventures. Birmingham: Birmingham Business School, 2002.

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Fadell, Edward R. Geometry and Topology of Configuration Spaces. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001.

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Ryan, Robert S. Systems design analysis applied to launch vehicle configuration. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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Motro, René. Structural morphology and configuration processing of space structures. Essex: Multi-Science Pub., 2009.

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Houtekamer, Gilbert E. MVS I/O subsystems: Configuration management and performance analysis. New York: McGraw-Hill, 1993.

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A, Orzechowski J., Baker A. J und United States. National Aeronautics and Space Administration., Hrsg. An arbitrary grid CFD algorithm for configuration aerodynamics analysis. Knoxville, TN: Computational Mechanics Corp., 1992.

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Campana, Steven E. Image analysis for microscope-based observations: An inexpensive configuration. Dartmouth, N.S: Marine Fish Division, Biological Sciences Branch, Bedford Institute of Oceanography, Dept. of Fisheries and Oceans, 1987.

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J, Baker A., und United States. National Aeronautics and Space Administration., Hrsg. An arbitrary grid CFD algorithm for configuration aerodynamics analysis. Knoxville, TN: Computational Mechanics Corp., 1993.

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Buchteile zum Thema "Configuration Analysis"

Petrov, Vladimir. „Basic Configuration“. In Structural System Analysis, 5–7. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-55825-2_2.

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Rahikkala, Tua, Jorma Taramaa und Antti Välimäki. „Industrial experiences from SCM current state analysis“. In System Configuration Management, 13–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0053874.

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Kaveh, Ali. „Structural Configuration Generation“. In Topological Transformations for Efficient Structural Analysis, 103–26. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-12300-9_6.

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Abdelal, Gasser F., Nader Abuelfoutouh und Ahmed H. Gad. „Satellite Configuration Design“. In Finite Element Analysis for Satellite Structures, 11–47. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4637-7_2.

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Simonič, Marjan, Jozsef Györkös und Ivan Rozman. „Software Configuration Management Risk Analysis before Relocating the Porting of Product’s Family“. In System Configuration Management, 38–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48253-9_4.

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Mitolo, Massimo. „Inverting Operational Amplifier Configuration“. In Simulation-based Labs for Circuit Analysis, 161–68. New York: River Publishers, 2024. http://dx.doi.org/10.1201/9781003515333-18.

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Mitolo, Massimo. „Noninverting Operational Amplifier Configuration“. In Simulation-based Labs for Circuit Analysis, 153–59. New York: River Publishers, 2024. http://dx.doi.org/10.1201/9781003515333-17.

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Kötters, Jens. „Object Configuration Browsing in Relational Databases“. In Formal Concept Analysis, 151–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20514-9_13.

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de Carvalho L. Brum, Nisio. „Analysis of Thermal Plants Configuration“. In Springer Series in Reliability Engineering, 41–59. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2309-5_3.

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Hoffmann, Andreas, und Bertram Neubauer. „Deployment and Configuration of Distributed Systems“. In System Analysis and Modeling, 1–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31810-1_1.

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Konferenzberichte zum Thema "Configuration Analysis"

Ferguson, Kevin, und Douglas Thomson. „A Performance Analysis of Compound Helicopter Configurations“. In Vertical Flight Society 70th Annual Forum & Technology Display, 1–13. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9571.

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The compound helicopter is a high speed design concept that is once again being explored due to the new emerging requirements for rotorcraft to obtain speeds that significantly surpass the conventional helicopter. This increase in speed, provided efficient hover capability is maintained, would make the compound helicopter suitable for various roles and missions in both military and civil markets. The paper features two compound helicopters. The first configuration features a coaxial rotor with a pusher propeller providing additional axial thrust, and is referred to as the coaxial compound helicopter. The second configuration, known as the hybrid compound helicopter, features a wing and two propellers providing thrust compounding. In this study, the performance of these two compound helicopter configurations are assessed and compared with a conventional configuration. The paper presents the standard performance parameters of each configuration which include the power required in steady level flight, the maximum range, the maximum endurance and the hover ceiling of each of the aircraft configurations. Furthermore, a performance analysis of each configuration flying standard helicopter missions is conducted.

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Rahman, Mohammad Ashiqur, und Ehab Al-Shaer. „AMIAnalyzer: Security analysis of AMI configurations“. In 2011 Symposium on Configuration Analytics and Automation (SAFECONFIG). IEEE, 2011. http://dx.doi.org/10.1109/safeconfig.2011.6111662.

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Marouf, Said, und Mohamed Shehab. „SEGrapher: Visualization-based SELinux policy analysis“. In 2011 Symposium on Configuration Analytics and Automation (SAFECONFIG). IEEE, 2011. http://dx.doi.org/10.1109/safeconfig.2011.6111675.

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Javed, Yousra, Maliha Nazir, Muhammad Murtaza Khan, Syed Ali Khayam und Shujun Li. „Captchæcker: Reconfigurable CAPTCHAs based on automated security and usability analysis“. In 2011 Symposium on Configuration Analytics and Automation (SAFECONFIG). IEEE, 2011. http://dx.doi.org/10.1109/safeconfig.2011.6111665.

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Lai, Chok Fung. „Operational dynamic configuration analysis“. In 2010 IEEE/AIAA 29th Digital Avionics Systems Conference (DASC). IEEE, 2010. http://dx.doi.org/10.1109/dasc.2010.5655496.

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Bukhanov, Sergey, und Sergey Podkopaev. „Configuration management based on an ontological model“. In Systems Analysis in Economics - 2020. Moscow, "Science" Publishing House, 2021. http://dx.doi.org/10.33278/sae-2020.book1.204-207.

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Dirks, Gregor. „Aircraft configuration optimization considering structural flexibility“. In 6th Symposium on Multidisciplinary Analysis and Optimization. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-4107.

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Blouin, Vincent, Yi Miao, Xun Zhou und Georges Fadel. „An Assessment of Configuration Design Methodologies“. In 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-4430.

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Liu, Lei, Weipeng Wang und Guangding Feng. „Integrated Electronic System Configuration Analysis“. In 2018 2nd International Conference on Applied Mathematics, Modelling and Statistics Application (AMMSA 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/ammsa-18.2018.69.

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Classen, Andreas, Arnaud Hubaux und Patrick Heymans. „Analysis of Feature Configuration Workflows“. In 2009 17th IEEE International Requirements Engineering Conference (RE). IEEE, 2009. http://dx.doi.org/10.1109/re.2009.55.

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Berichte der Organisationen zum Thema "Configuration Analysis"

Llanes, Rodrigo Elias, Matthew Halligan und Ross Guttromson. Substation Configuration Survey for Electromagnetic Coupling Analysis. Office of Scientific and Technical Information (OSTI), Mai 2020. http://dx.doi.org/10.2172/1619912.

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Stevens, R. R., und J. Benner. Containment vessel dynamic analysis. Part 1: Base configuration. Office of Scientific and Technical Information (OSTI), Februar 1997. http://dx.doi.org/10.2172/444033.

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Nissen, Mary E. Toward Enterprise Process Engineering: Configuration Measurement and Analysis. Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada407615.

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W.E. Wallin. ANALYSIS OF MPC WEIGHT, DIMENSIONAL ENVELOPE, AND CONFIGURATION REQUIREMENTS. Office of Scientific and Technical Information (OSTI), März 1995. http://dx.doi.org/10.2172/883429.

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Hetrick, Lucas Duane. Radiological Engineering Design Analysis of the NDA Table Shielding Configuration. Office of Scientific and Technical Information (OSTI), Dezember 2018. http://dx.doi.org/10.2172/1487355.

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S.F. A. Deng. GENERIC DEGRADATION SCENARIO AND CONFIGURATION ANALYSIS FOR DOE CODISPOSAL WASTE PACKAGE. Office of Scientific and Technical Information (OSTI), November 1999. http://dx.doi.org/10.2172/861906.

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Author, Unknown. PR-322-05215-R02 CFD Analysis of Combined Suction Piping and Casing for Pipeline Pump-Type 12X14X19 DVS-E. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), Juni 2014. http://dx.doi.org/10.55274/r0011038.

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The purpose of this analysis is to investigate the effect of suction piping configuration on the flow field at the inlet of the suction casing and at the entrance of the pump impeller plane, which is referred to as the P-Plane. The analysis is performed for a piping configuration supplied by PRCI, which is connected to the suction casing for a 12x14x19 DVS-E pump.

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Gauld, I. C. SCALE-4 Analysis of LaSalle Unit 1 BWR Commercial Reactor Critical Configuration. Office of Scientific and Technical Information (OSTI), März 2000. http://dx.doi.org/10.2172/885571.

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Barajas und George. PR-015-05600-R01 Assessment of Sampling Systems for Monitoring Water Vapor in Natural Gas Streams. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), Januar 2008. http://dx.doi.org/10.55274/r0011197.

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Research has been conducted to assess the usefulness of various sampling and delivery methods in transporting a representative sample of a natural gas stream for analysis of moisture content. Three sampling configurations commonly used by the natural gas industry were evaluated, including a sample system with a regulated probe heated above ambient conditions, the same system held at a constant temperature simulating ambient conditions, and a heated sample system incorporating a membrane filter. Each configuration was used to transport samples of distribution-quality natural gas with levels of water vapor within common tariff limits, as well as samples of a water-saturated stream of methane simulating a common dehydration system upset. The time response of samples in each configuration to step changes in water vapor content between these two conditions was also evaluated. Measurements were performed using both manual chilled mirror dew point testers and automated analyzers.

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Lillo, T. M., R. L. Williamson, T. R. Reed, C. B. Davis und D. M. Ginosar. Engineering Analysis of Intermediate Loop and Process Heat Exchanger Requirements to Include Configuration Analysis and Materials Needs. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/911251.

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