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Modeling the Role of Deformation Twinning in MG Alloy Az31b
ISBN: 9783843376013 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The role of twinning in the anisotropic behavior and ductility of magnesium alloys is analyzed at ambient as well as elevated temperatures. Magnesium alloy AZ31B sheet is investigated as a model system, because it is the most common wrought magnesium alloy. Uniaxial compression tests are conducted at room temperature and at elevated temperatures to measure the anisotropy of the strength and strain at various strain levels.A viscoplastic self-consistent polycrystal modeling approach was used to model the deformation behavior; including the anisotropy and texture evolution. Temperature...
The role of twinning in the anisotropic behavior and ductility of magnesium alloys is analyzed at ambient as well as elevated temperatures. Magnesium ...
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263,91 |
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Sensing, Monitoring and Control of Laser Welding of Aluminium Sheets
ISBN: 9783843379755 / Angielski / Miękka / 184 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Weight reduction is important in the automotive industry. To achieve this, Tailor Welded Blanks (TWB's) are used: body panels consisting of sheets with different thicknesses and/or materials, welded together and stamped into the desired shape. Aluminium TWB's have been introduced only recently. Laser welding is a joining technique that shows high potential to produce the required strong yet deformable welds. In this work various aspects of the laser welding of these thin aluminium sheets are treated, like the development of a control system to ensure full penetration keyhole welding and a...
Weight reduction is important in the automotive industry. To achieve this, Tailor Welded Blanks (TWB's) are used: body panels consisting of sheets wit...
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cena:
304,16 |
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Osteoarthritis of the Human Knee
ISBN: 9783843382502 / Angielski / Miękka / 264 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Osteoarthritis is a disease that has been characterised historically by the focal destruction of cartilaginous tissue and hence, is defined as such. However, recent investigations have brought this pathology into contention with significant evidence implicating subchondral bone in the diseases pathophysiology. Early-stage primary osteoarthritic bone samples were harvested from both presenting medial and and non-presenting lateral compartments of diseased human tibia and were used to investigate the role of subchondral bone in the pathogenesis of primary human osteoarthritis. Significant...
Osteoarthritis is a disease that has been characterised historically by the focal destruction of cartilaginous tissue and hence, is defined as such. H...
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cena:
353,37 |
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Toward Understanding Low Surface Friction on Quasiperiodic Surfaces
ISBN: 9783843394017 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In a 2005 article in Science, Park et al. measured in vacuum the friction between a coated atomic-force- microscope tip and the clean two-fold surface of an AlNiCo quasicrystal. Because the two-fold surface is periodic in one direction and aperiodic (with a quasiperiodicity related to the Fibonacci sequence) in the perpendicular direction, frictional anisotropy is not unexpected; however, the magnitude of that anisotropy in the Park experiment, a factor of eight, is unprecedented. By eliminating chemistry as a variable, the experiment also demonstrated that the low friction of quasicrystals...
In a 2005 article in Science, Park et al. measured in vacuum the friction between a coated atomic-force- microscope tip and the clean two-fold surface...
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cena:
219,18 |
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Virtual Prototyping for Conceptual Design of Tracked Mobile Robots
ISBN: 9783844380194 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. During the conceptual design stage of a trackedmobile robot, the designerwishes to verify the robots mobility andmanipulation capabilities. Multi-body dynamicssimulation-based virtual prototyping process can beused in theconceptual design stage and can significantly reducethe amount of physicaltesting required at various design stages, andassociated cost. The application ofthis process for tracked mobile robots has beendeveloped and is shown here. Asa test case, it was initially applied to an existingrobot and was validated with testresults. Later it was applied to a new robot whilestill in...
During the conceptual design stage of a trackedmobile robot, the designerwishes to verify the robots mobility andmanipulation capabilities. Multi-body...
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cena:
263,91 |
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Nonlinear Simulation of Defected Rotor-Bearing Systems
ISBN: 9783844385977 / Angielski / Miękka / 300 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The current work focuses into two main directions ofrotor dynamics object: the simulation ofa rotor-bearing system and the detection of defectsthat are commonly appeared in rotating systems. Thetransverse breathing crack in a rotor and the radialyextended wear in a bearing are the defects presentedin the simulations. The persuasion is initialy tomake a proposal in rotor-bearing system nonlinearsimulation and secondly to suggest methods able todetect the transverse breathing rotor crack and thebearing wear. Time-frequency analysis is performedusing continuous wavelet transform in numerical...
The current work focuses into two main directions ofrotor dynamics object: the simulation ofa rotor-bearing system and the detection of defectsthat ar...
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cena:
353,37 |
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Acoustic Condition Monitoring in Industrial Environments
ISBN: 9783845418957 / Angielski / Miękka / 212 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Acoustic Condition monitoring (CM) have many advantages comparing to other traditional CM methods (using vibration, speed measurement, temperature monitoring, .etc) It is reliable, cost effective and providing remote and contact less measurement. However, since acoustic signals have to propagate through the working environment before received by sensors, the performance of acoustic CM systems can be seriously influenced by environment factors, especially when they are working in industrial environment which normally has very strong background noise and reverberation. In this book, a number of...
Acoustic Condition monitoring (CM) have many advantages comparing to other traditional CM methods (using vibration, speed measurement, temperature mon...
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cena:
353,37 |
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The role of roughness in dry and lubricated contacts
ISBN: 9783844307375 / Angielski / Miękka / 188 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Whenever two bodies are in rubbing contact, macroscopic phenomena as friction, adhesion and wear are inevitably experienced. The practice of controlling such phenomena has been part of the technique and technology development during all the human evolution stages. However, despite of the longstanding practical approach to the problem, the methodological investigation is instead much more recent. Actually, the investigation of friction, adhesion and wear is carried out as a part of a wider research activity involving physics, chemistry, material science and engineering. In this book we review...
Whenever two bodies are in rubbing contact, macroscopic phenomena as friction, adhesion and wear are inevitably experienced. The practice of controlli...
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304,16 |
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Hybrid Genetic Algorithms and Applications
ISBN: 9783844334524 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Recently, Hybrid Evolutionary Algorithms (EAs) has become a popular tool for optimization. This book presents the established fundamentals in the area of GAs and vibration control as well as explores new and emerging technologies and techniques. The first part of the book presents novel optimization techniques by combining GAs with local search method which is called hybrid GAs. The second part focuses on application of the proposed hybrid GAs to the design of the suspension parameters of the half car model in order to enhance ride comfort and road holding performances. Different dynamical...
Recently, Hybrid Evolutionary Algorithms (EAs) has become a popular tool for optimization. This book presents the established fundamentals in the area...
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cena:
263,91 |
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Flow Formation Inside Composite Channels
ISBN: 9783844310894 / Angielski / Miękka / 180 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Numerical and analytical investigations of transport processes in composite domains (macro and micro) exist in many practical applications. These applications include biological, geophysical and many others. The book presents studies on numerical and analytical solutions for the flows formation inside the horizontal macro and micro parallel-plate channel partially filled with a uniform porous material in the presence of suction/injection. An attempt is also made to present analytical solution for the fluid flow using Brinkman-Darcy-extended-Forchheimer model in the porous region and compared...
Numerical and analytical investigations of transport processes in composite domains (macro and micro) exist in many practical applications. These appl...
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cena:
304,16 |
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Efficient Design of Blast Wall Panels
ISBN: 9783845413877 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Corrugated panels are currently used in petrochemical facilities as an economic means to provide blast protection to personnel and other valuable assets. In this book, parametric studies were conducted on the various elements (e.g., compression flange, depth, angle of corrugation, etc.) of a corrugated blast wall using static nonlinear finite element analyses and dynamic nonlinear single degree of freedom analyses. During the static analyses, panel characteristics such as ductility and strength were explored and nonlinear load-deflection curves were generated. The load-deflection curves were...
Corrugated panels are currently used in petrochemical facilities as an economic means to provide blast protection to personnel and other valuable asse...
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cena:
219,18 |
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Dynamical Mechanical Systems Under Random Impulses
ISBN: 9789810222819 / Angielski / Twarda / 176 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This text presents the methods of analysis of dynamical mechanical systems subjected to stochastic excitations in form of random trains of impulses. This particular class of excitations is adequately characterized by stochastic point processes and behaviour of dynamical systems is governed by stochastic differential equations driven by point processes. Based on the methods of point processes, the analytical techniques are devised to characterize the response of linear and nonlinear mechanical systems as the solutions of underlying stochastic differential equations. A number of example...
This text presents the methods of analysis of dynamical mechanical systems subjected to stochastic excitations in form of random trains of impulses. T...
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cena:
303,66 |
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Modeling the Peel Test for Pressure Sensitive Adhesives
ISBN: 9783843352871 / Angielski / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The peel test is a commonly used test method for evaluating the adhesive strength. The test is usually conducted by peeling a pressure sensitive tape away from a substrate and measuring the applied peel force. This book proposes a generalized cohesive zone model of the peel test for pressure sensitive adhesives to predict the peel force and the traction distribution across the substrate surface. The cohesive zone is modeled as a continuous fibrillated region in which the adhesive fails cohesively. The governing equations, which accurately describe the adhesive and backing deformations, are...
The peel test is a commonly used test method for evaluating the adhesive strength. The test is usually conducted by peeling a pressure sensitive tape ...
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cena:
219,18 |
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Integration Algorithms and Classical Mechanics
ISBN: 9780821802595 / Angielski / Twarda / 244 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Dedicated to the late Juan Calos Simo, this volume contains the proceedings of a workshop held at the Fields Institute in October 1993. The articles focus on current algorithms for the integration of mechanical systems, from systems in celestial mechanics to coupled rigid bodies to fluid mechanics. The scope of the articles ranges from symplectic integration methods to energy-momentum methods and related themes.
Dedicated to the late Juan Calos Simo, this volume contains the proceedings of a workshop held at the Fields Institute in October 1993. The articles f...
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cena:
494,67 |
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Mechanics Day
ISBN: 9780821802618 / Angielski / Twarda Termin realizacji zamówienia: ok. 5-8 dni roboczych. This volume presents the proceedings of a workshop held at the Fields Institute in June 1992 both as a commemoration of the 25th anniversary of the publication of Foundations of Mechanics by Ralph Abraham and Jerrold Marsden and as a celebration of Marsden's 50th birthday. The papers collected in this volume reflect the ties - with areas of applied science, including control theory. This should be of value to graduate students, research mathematicians and engineers interested in mechanics of particles and systems.
This volume presents the proceedings of a workshop held at the Fields Institute in June 1992 both as a commemoration of the 25th anniversary of the pu...
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cena:
558,34 |
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Boundaries, Interfaces and Transitions
ISBN: 9780821805053 / Angielski / Miękka / 343 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This text brings together tools that have been developed in a priori distant areas of mathematics, mechanics and physics. It provides coverage of selected contemporary problems in the areas of optimal design, mathematical models in material sciences, hysteresis, superconductivity, phase transition, crystal growth, moving boundary problems, thin shells and some of the associated numerical issues.
This text brings together tools that have been developed in a priori distant areas of mathematics, mechanics and physics. It provides coverage of sele...
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cena:
533,85 |
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Classical Mechanics: Dynamics
ISBN: 9781461437390 / Angielski / Twarda / 466 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This is the second volume of three books devoted to Mechanics. In this book, dynamical and advanced mechanics problems are stated, illustrated, and discussed, including a few novel concepts in comparison to standard text books and monographs. Apart from being addressed to a wide spectrum of graduate students, postgraduate students, researchers, and teachers from the fields of mechanical and civil engineering, this volume is also intended to be used as a self-contained material for applied mathematicians and physical scientists and researchers.
This is the second volume of three books devoted to Mechanics. In this book, dynamical and advanced mechanics problems are stated, illustrated, and di...
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cena:
644,07 |
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Classical Mechanics: Kinematics and Statics
ISBN: 9781461437901 / Angielski / Twarda / 440 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This isthe first volume of three, devoted to Mechanics. Thisbook contains classical mechanics problems including kinematics and statics. It is recommended as a supplementary textbook for undergraduate and graduate students from mechanical and civil engineering, as well as for physical scientists and engineers. It contains a basic introduction to classical mechanics, including fundamental principles, statics, and the geometry of masses, as well as thorough discussion on kinematics."
This isthe first volume of three, devoted to Mechanics. Thisbook contains classical mechanics problems including kinematics and statics. It is recomme...
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cena:
603,81 |
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Classical Mechanics: Applied Mechanics and Mechatronics
ISBN: 9781461439776 / Angielski / Twarda / 250 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This is the last book of three devoted to Mechanics, and uses the theoretical background presented in Classical Mechanics: Kinematics and Statics and Classical Mechanics: Dynamics. It focuses on exhibiting a unique approach, rooted in the classical mechanics, to study mechanical and electromagnetic processes occurring in Mechatronics. Contrary to the majority of the books devoted to Applied Mechanics, this volume places a particular emphasis on theory, modeling, analysis, and control of gyroscopic devices, including the military applications. This volume provides practicing...
This is the last book of three devoted to Mechanics, and uses the theoretical background presented in Classical Mechanics: Kinematics and Statics and ...
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cena:
442,79 |
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Mechanics: From Newton's Laws to Deterministic Chaos
ISBN: 9783642260469 / Angielski / Miękka / 547 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Purpose and Emphasis. Mechanics not only is the oldest branch of physics but was and still is the basis for all of theoretical physics. Quantum mechanics can hardly be understood, perhaps cannot even be formulated, without a good kno- edge of general mechanics. Field theories such as electrodynamics borrow their formal framework and many of their building principles from mechanics. In short, throughout the many modern developments of physics where one frequently turns back to the principles of classical mechanics its model character is felt. For this reason it is not surprising that the...
Purpose and Emphasis. Mechanics not only is the oldest branch of physics but was and still is the basis for all of theoretical physics. Quantum mechan...
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cena:
319,73 |
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