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Ultimate Strength of a Large Wind Turbine Blade
ISBN: 9783838359403 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Titel short: Ultimate Strength of a large WT-blade The present work contains a study of the structural static strength of wind turbine blades. A combination of experimental and numerical work has been used to address the most critical failure mechanims and to get an understanding of the complex structural behaviour of wind turbine blades. Four failure mechanisms observed during the full-scale tests and the corresponding FE-analysis are presented. Elastic mechanisms associated with failure, such as buckling, localized bending and the Brazier effect, are studied. In the thesis six different...
Titel short: Ultimate Strength of a large WT-blade The present work contains a study of the structural static strength of wind turbine blades. A combi...
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219,18 |
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Numerical Analysis of the Sail Aerodynamics
ISBN: 9783838362311 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The interaction phenomenon causes two sails (the jib and the main sail) working together in an upwind condition to produce a larger lift force than a sum of lifts generated on the sails operating alone. In spite of the fact that this phenomenon is widely known to both sailors and sail designers, its reason is still regarded arguable. The aim of this work is to use the advantages of numerical methods to provide an exhaustive description of the aerodynamical mechanisms causing the sails to interact. In order to attain this aim, an adequate simulation methodology has been developed. The authors...
The interaction phenomenon causes two sails (the jib and the main sail) working together in an upwind condition to produce a larger lift force than a ...
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263,91 |
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Correlation of Skin Friction with Preston-Tube Measurements on a Cone
ISBN: 9783838339054 / Angielski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This publication develops the first correlation equation between the theoretical turbulent skin friction with Preston-tube measurements on a subsonic cone. Lecturers, scientists, and practicing engineers in the field of fluid dynamics should be interested in this development. The goals of this NASA sponsored research are in two fold: (1) to develop a new procedure which could be used to develop a correlation equation for correlating Preston-tube pressure measurements within turbulent boundary layers with the corresponding theoretical values of skin friction coefficient, and (2)...
This publication develops the first correlation equation between the theoretical turbulent skin friction with Preston-tube measurements on a subson...
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263,91 |
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Geometry Modeling for Patterned and Repetitive Configurations
ISBN: 9783838313863 / Angielski / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Over the years, the use of computational engineering applications such as computer-aided design (CAD), computational fluid dynamics (CFD), and computational structural mechanics (CSM) has grown rapidly in the aerospace, automotive, electronics, biomedical, and many other industries. All computer-based design tasks commence with the use of CAD systems to create detailed geometrical models. These models serve as a basis for diverse analysis tools, such as CFD and CSM, which would require another process called mesh generation to generate discrete spatial points for CFD and CSM ...
Over the years, the use of computational engineering applications such as computer-aided design (CAD), computational fluid dynamics (CFD), and comp...
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219,18 |
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Elastomeric Composites
ISBN: 9783838301556 / Angielski / Miękka / 332 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Elastomeric composites are used pervasively in commercial and industrial applications, and in recent years have shown great promise for utilization in new technologies. This raises the practical and theoretical need to understand in detail the interplay between the microscopic properties of these material systems and their physical macroscopic properties, and how the latter may be enhanced with changes in the former. The main aim of this work is the development of a nonlinear homogenization framework for determining the macroscopic response and stability of large classes of elastomeric...
Elastomeric composites are used pervasively in commercial and industrial applications, and in recent years have shown great promise for utilization in...
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353,37 |
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Fingerprint Verification
ISBN: 9783838318714 / Angielski / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book, a Euclidean distance based minutia matching algorithm is proposed to improve the matching accuracy in fingerprint verification system. This algorithm extracts matched minutia pairs from input and template fingerprints by using the smallest minimum sum of closest Euclidean distance (SMSCED), corresponding rotation angle and empirically chosen statistical threshold values. Instead of using the minutia type and orientation angle, which are widely employed in existing algorithms, the proposed algorithm uses only the minutia location, to reduce the effect of non-linear distortion....
In this book, a Euclidean distance based minutia matching algorithm is proposed to improve the matching accuracy in fingerprint verification system. T...
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219,18 |
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Some unsteady flows over a stretching sheet
ISBN: 9783838350677 / Angielski / Miękka / 116 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The partial differential equations arising in the study of non-Newtonian fluids offer many challenges not only to physicists and numerical analysts but also mathematician alike. Particularly the studies regarding the unsteady flows due to a stretching sheet is very scarce in the literature. Much attention has been given to the steady flow problems. Few attempts have been made regarding the unsteady flows. The main aim here is to develop the analytic series solutions using homotopy analysis method. One important aspect of these solutions is that these solutions are valid for all the...
The partial differential equations arising in the study of non-Newtonian fluids offer many challenges not only to physicists and numerical analysts bu...
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219,18 |
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Evolutionary Design of Parallel Mechanisms
ISBN: 9783838378763 / Angielski / Miękka / 260 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Evolutionary design is a process that initiates the generation of new concepts based on the morphological extension of current design patterns. This particular practice conceives a new mechanism and evolves its category by mapping certain features of an artifact to a new linkage. This book proposes a new design philosophy as practice of analogous design for creating parallel mechanisms. This new way of design imitates the collapsible motion of origami folds, generating novel architectures of parallel mechanisms with centralized motion. The book presents a new family of parallel mechanisms...
Evolutionary design is a process that initiates the generation of new concepts based on the morphological extension of current design patterns. This p...
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353,37 |
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Mechanics of Carbon Nanotubes
ISBN: 9783838392073 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
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304,16 |
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Mechanical strength and optimal design of complex structure
ISBN: 9783838399553 / Angielski / Miękka / 168 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In recent years, the fundamental research on the structural strength and optimal deisgn of composite pressure vessel and piping under complex load and environment has become crucial to ensure safe, economical and reliable run of these structures in area of advanced energy utilization. The content of this book includes the strength prediction of composite vessel using composite laminate theory and finite element analysis, the optimal design using adaptive genetic algorithm and immune algorithm as well as the failure analysis under deflection load and the fatigue lifetime evaluation...
In recent years, the fundamental research on the structural strength and optimal deisgn of composite pressure vessel and piping under complex load ...
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304,16 |
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Elasto-Plastic Stress Analysis in Laminated Composite Beams
ISBN: 9783838377346 / Angielski / Miękka / 116 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this study, the elastic-plastic stress analysis is carried out on symmetric laminated composite beam composed of four orthotropic plies. To determine analytically the residual stresses and the expansion of plastic zone for different stacking sequence, a software program is developed and this program makes it possible to establish elastic region, plastic region, the distributions of the elastic, elastic-plastic and residual stress components. The Bernoulli-Euler theory is utilized in the solution for small plastic deformations. For the elastic-plastic solution, the Tsai-Hill Theory is used...
In this study, the elastic-plastic stress analysis is carried out on symmetric laminated composite beam composed of four orthotropic plies. To determi...
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219,18 |
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Active control with delay of mechanichals structures
ISBN: 9783843354394 / Angielski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work may be viewed as a contribution to the study of control of the dynamics of physical systems in which the potential have a catastrophic single well 6 configuration. We demonstrated that The mathematical model of various non-linear structures (inverted pendulum, articulated beam, elastic beam fixed at its base and free at the top) is that of a particle moving in a catastrophic single well 6 potential. control by sandwich and the one using piezoelectric absorber are investigated. The range of coupling or control parameters that can produce an e ective control (reduction of amplitude,...
This work may be viewed as a contribution to the study of control of the dynamics of physical systems in which the potential have a catastrophic singl...
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219,18 |
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Fracture Behaviour of Functionally Graded Materials
ISBN: 9783838354248 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Functionally graded materials (FGMs) are special composites consisting of two constituent phases whose composition change continuously along one direction. The gradual transition in material properties alleviates thermal mismatch problems experienced by cladded and coated components. The microstructure of FGM is usually heterogenous and the dominant failure mode of FGM is the crack initiation and propagation from the inclusions. The interface crack problem is studied by examining the asymptotic behavior of stress and displacement fields around the crack in FGM, and by comparing the results...
Functionally graded materials (FGMs) are special composites consisting of two constituent phases whose composition change continuously along one direc...
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219,18 |
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Quality Management in Organisational Learning
ISBN: 9783843387248 / Angielski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Organisational learning is of great importance for an organisation that is in constant competition with its rivals. It is regarded as a multi-dimensional process, involving the acquisition,sharing and use of knowledge. This study compares organisational learning in two different conditions: in organisations that implemented Quality Management and earned an IS0 9000 certification, and in organisations that did not implement Quality Management.This study also discusses the relationship between organisational learning and quality management. The variables explored in this study are:...
Organisational learning is of great importance for an organisation that is in constant competition with its rivals. It is regarded as a multi-dimens...
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219,18 |
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Mechanical Systems with Neo-Hookean Elements
ISBN: 9783844300079 / Angielski / Miękka / 188 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The study of the non-linear system is usually avoided in the engineering literature because of the mathematical complications which appear in this situation. The author introduces the concept of neo-Hookean element, that is a non-linear elastic element for which the elastic force depends on the elongation both linear and at a negative integer power. These elements are then used in different mechanical systems from the most simple to very complicated. For each system are obtained the non-linear differential equations of motion, are studied the stabilities and are made comparisons between...
The study of the non-linear system is usually avoided in the engineering literature because of the mathematical complications which appear in this sit...
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304,16 |
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Numerical Analysis of the Aerodynamic Noise Prediction in DNS and Les
ISBN: 9783838398990 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work presents the rigorous numerical analysis of the aerodynamic noise generation via Lighthill acoustic analogy, which is a non-homogeneous wave equation describing the sound waves. Over more than five decades, the Lighthill analogy was extensively used as one of the major tools in engineering applications in acoustics. However, the first mathematical research of the Finite Element approximation for it is introduced here. Specifically, the focus is on both Direct Numerical and Large Eddy Simulations. The semidiscrete and fully discrete Finite Element methods in DNS are presented. Also,...
This work presents the rigorous numerical analysis of the aerodynamic noise generation via Lighthill acoustic analogy, which is a non-homogeneous wave...
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263,91 |
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Complete Dynamic Analysis of Stewart Platform Based on Workspace
ISBN: 9783838377155 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In recent years, the field of parallel manipulators has expanded significantly in applications requiring high precision, loading capacity, accuracy, rigidity and high velocity. Stewart platform is the most common type of parallel manipulators. Limited workspace, complex kinematic/kinetic solutions, singularities inside the workspace are the main problems encountered with regard to this type of robots. In this book, using some design/engineering software and programming language, Stewart platform is investigated in details by modeling and simulation, dynamic analysis and singularity detection....
In recent years, the field of parallel manipulators has expanded significantly in applications requiring high precision, loading capacity, accuracy, r...
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cena:
263,91 |
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The Navier-Stokes Equations
ISBN: 9783838376943 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The global in time continuation to the three- dimensional incompressible Navier-Stokes equations remains the major unsolved problem in the mathematical fluid mechanics. This issue somehow drives qualitative mathematical analysis of the viscous incompressible flows toward the enormous development, but only a little interest pointed to the analytical methods which provide a quantitative understanding. It is discussed in the book that finding the appropriate methods for analytical treatment of the full set of incompressible Navier- Stokes equations is very important task from theoretical and...
The global in time continuation to the three- dimensional incompressible Navier-Stokes equations remains the major unsolved problem in the mathematica...
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219,18 |
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Convective Transport of Power-Law Fluid
ISBN: 9783844327045 / Angielski / Miękka / 148 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The study of convection heat and mass transfer in a non-Newtonian fluid saturated porous medium has attracted many investigators due to its wide range of applications in geophysics and energy related problems. The effects like stratification, melting, double dispersion, dissipation, variable viscosity and radiation are important phenomena, understanding the effect of these on coupled convection in porous media is very important. In the existing literature, most of the researchers considered the porous media saturated with Newtonian fluid while studying aforesaid second order...
The study of convection heat and mass transfer in a non-Newtonian fluid saturated porous medium has attracted many investigators due to its wide ran...
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263,91 |
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Stress Concentration Near Defects in Homogeneous and Compound Bodies
ISBN: 9783845410715 / Angielski / Miękka / 148 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In engineering practice many constructions, buildings, or their parts contain stress concentrators such as cracks (cuts, slits), inclusions, patches, holes and angle points because of the conditions of production. During the exploitation of different constructions and their details, some of these concentrators can appear. Therefore, the analysis of stress state of massive bodies, containing the stress concentrators, and local stress fields, originated next to the concentrators, is the actual problem from the scientific and engineering points of view.In the present monograph, the problems of...
In engineering practice many constructions, buildings, or their parts contain stress concentrators such as cracks (cuts, slits), inclusions, patches, ...
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cena:
263,91 |
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