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Mechanical Systems, Classical Models: Volume 3: Analytical Mechanics
ISBN: 9789400736832 / Angielski / Miękka / 772 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. All phenomena in nature are characterized by motion. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of motion. In the study of a science of nature, mathematics plays an important role. Mechanics is the first science of nature which has been expressed in terms of mathematics, by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool. As it was already seen in the first two volumes of the present book, its guideline is precisely the...
All phenomena in nature are characterized by motion. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of moti...
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805,10 |
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Probability Contributions to Statistical Mechanics
ISBN: 9780821841204 / Angielski / Twarda / 289 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Physics has always been a fertile source of new mathematical notions and ideas, and in the past decade the stream of ideas from physics to mathematics has increased dramatically. The subfield of statistical mechanics is no exception. Containing papers written by representatives of the Moscow school of mathematical statistical mechanics, this volume illustrates certain aspects of the developing interaction between statistical mechanics on the one hand and the theories of probability and of dynamical systems on the other. Included here are papers on random walks, phase transition phenomena for...
Physics has always been a fertile source of new mathematical notions and ideas, and in the past decade the stream of ideas from physics to mathematics...
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cena:
592,62 |
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3D Dynamic Models of a Railway Track for High-speed Trains
ISBN: 9783846599563 / Angielski / Miękka / 200 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
304,16 |
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On the Effects of Surface Roughness in Lubrication
ISBN: 9783838309026 / Angielski / Miękka / 204 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This thesis is devoted to modelling the effects of surface roughness, on performance, in lubricated contact interfaces found inside and between various machine elements. Many researchers have of course already addressed this, both experimentally and numerically, however, due to the multidisciplinary nature and the complexity of the associated theoretical models, the progress in the development of efficient yet user friendly software has not reached as far as in other fields. Especially the requirement on mesh density to resolve the surface roughness is difficult to meet and it is...
This thesis is devoted to modelling the effects of surface roughness, on performance, in lubricated contact interfaces found inside and between vari...
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353,37 |
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Students' Conceptual Understanding of Quantum Physics at College
ISBN: 9783838309170 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The purposes of the current study were to study the potential solutions of the common learning difficulties, insufficient teaching techniques and others significant instructional or conceptual problems and learning of quantum physics (QP), at Colleges. Both quantitative and qualitative methodologies were utilized in this study. The participants included five physics faculty members with different levels of teaching experience who were teaching one of the quantum physics courses and 43 senior or junior undergraduate students enrolled in their courses. The findings of this...
The purposes of the current study were to study the potential solutions of the common learning difficulties, insufficient teaching techniques and ...
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219,18 |
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Russian Doll Poroelasticity
ISBN: 9783838304939 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book presents in depth analysis for three interconnected problems in bone poroelasticity. In the first problem an analytical solution for a porous cylindrical annular disk under unconfined compression is developed. In the second problem an experimental technique for isolation and loading the osteons is presented. The experimental results are combined with the analytical results that obtained for the cylindrical porous disk to estimate the permeability and the poroelastic properties of a single osteon. In the last problem a new model for fluid transport in bone tissues is presented....
This book presents in depth analysis for three interconnected problems in bone poroelasticity. In the first problem an analytical solution for a porou...
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263,91 |
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Near-Surface Hydraulic Fracture
ISBN: 9783838319179 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. On April 30, 1999 an estimated 10,300 square meters of roof area collapsed at the Moonee Colliery longwall coal mine near Sydney, Australia. The collapse itself was not the problem; longwall coal mines are nearly always designed such that stabilization occurs through frequent caving events in the mined-out region behind the longwall face. The problem was that it occurred on a very large scale and without warning. A miner was injured when he was thrown by the resulting wind blast, and the mine was shut down contingent on mitigation of the hazard. The CSIRO Medal winning solution to this ...
On April 30, 1999 an estimated 10,300 square meters of roof area collapsed at the Moonee Colliery longwall coal mine near Sydney, Australia. The colla...
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cena:
304,16 |
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Simulating the Hygromechanical Response of Wood
ISBN: 9783838334608 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This PhD thesis treats modeling of the hygromechanical response of wood. To do so it is crucial to have accurate models for the moisture transport. Moisture transport in the cellular structure of wood consists of a combination of water vapor transport and bound water transport. In present work these are modeled as two diffusion equations, which are coupled through sorption. Such a model is able to describe so-called non-Fickian effects. Sorption is known to be hysteretic, which must be taken into account in order to describe changes of the moisture content in relation to water...
This PhD thesis treats modeling of the hygromechanical response of wood. To do so it is crucial to have accurate models for the moisture transport....
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cena:
263,91 |
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Split-Plot Designs
ISBN: 9783838372198 / Angielski / Miękka / 148 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Split-plot designs are effective in industry due to time and/or cost constraints, restriction on randomization of the treatment combinations of the hard-to-change factors and different sizes of experimental units. Some of the results of fractional factorial split-plot experiments can be ambiguous and a need may arise to conduct follow-up experiments to separate effects of potential interest.The first objective of this research is to extend the foldover technique to break the alias chains of split-plot experiments.Six rules are provided to develop foldovers for minimum aberration resolution...
Split-plot designs are effective in industry due to time and/or cost constraints, restriction on randomization of the treatment combinations of the h...
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cena:
263,91 |
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Conceptual physics in Junior High School
ISBN: 9783838300832 / Angielski / Miękka / 120 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Studies indicate that qualitative understanding of phenomena, as expressed in students explanations and predictions, is not satisfactorily achieved by most high schools and college graduate students. Even after instruction of basic domains such as introductory mechanics, students conceptual understanding of topics remains almost unchanged. We argue that it can be done by unpacking the difficulties that are faced in this domain and by developing a method that responds to these problems discussed above. More specifically, we suggest that it is advisable to choose tasks that focus on ...
Studies indicate that qualitative understanding of phenomena, as expressed in students explanations and predictions, is not satisfactorily achieved ...
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cena:
219,18 |
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Analysis of composite structure of vaulting pole
ISBN: 9783838373225 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The pole vault is one of the most technical of athletic events. Therefore a considerable amount of time should be spent on understanding and perfecting this discipline. The aim of study for engineers is the vaulting pole construction in order to improve this tool and in consequence help athletes obtain better results. In recent years, vaulting poles are made out of combination of materials - the most commonly used are CFRP and GFRP. Modern advances in composite production techniques are allowing improvements in athletics tool design. This book provides analysis of mechanical parameters of the...
The pole vault is one of the most technical of athletic events. Therefore a considerable amount of time should be spent on understanding and perfectin...
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cena:
219,18 |
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Boundary element methods for solving inverse problems
ISBN: 9783838351902 / Angielski / Miękka / 212 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
353,37 |
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Geometric 3D model building using compliant motion sensor measurements
ISBN: 9783838350424 / Angielski / Miękka / 280 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Still today, in industry, most industrial robot tasks are position-controlled and hence require a structured environment. This implies that both the robot's tools and the work pieces geometry are accurately known. Reduction of the programming effort and an increase in robot's autonomy can be achieved by measuring the positions and the contact forces during a (human) demonstration of the task. The analyzed sensor data are translated into a sequence of contact situations that can be executed by a robot in a slightly modified environment. This type of programming is called Programming by...
Still today, in industry, most industrial robot tasks are position-controlled and hence require a structured environment. This implies that both the r...
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cena:
353,37 |
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Stress Waves Induced by Heat Transfer in Nuclear Applications
ISBN: 9783838391540 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Rapid heating by x-rays and ions in Inertial Fusion Energy (IFE) chambers will produce stress waves in dry chamber walls, in some cases leading to damage that will ultimately fail the structure. These waves can affect the surface or propagate to the substrate and produce delamination. Hence, it is important that these waves be understood. Models exist for thermally induced stress waves resulting from surface heating, but models with volumetric heating have not been presented for IFE conditions. In this book, models are developed for elastic stresses caused by rapid volumetric heating in a...
Rapid heating by x-rays and ions in Inertial Fusion Energy (IFE) chambers will produce stress waves in dry chamber walls, in some cases leading to dam...
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cena:
219,18 |
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Thermal Elastic-Plastic Stress Analysis of Composite Plates
ISBN: 9783838396552 / Angielski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book, an analytical solution developed for thermal elastic-plastic stress analysis of laminated composite plates is presented. This analytical solution is performed for satisfying thermal elastic- plastic stress-strain relations and boundary conditions for small plastic deformations. In this analysis, firstly, elastic-perfectly plastic (ideal plastic), secondly, linear hardening material properties are assumed, and the Tsai-Hill theory is used as a yield criterion. This thermal elastic- plastic stress analysis is carried out on a symmetric cross-ply [0o/90o]2 and symmetric angle- ply...
In this book, an analytical solution developed for thermal elastic-plastic stress analysis of laminated composite plates is presented. This analytical...
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cena:
263,91 |
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Modelling of stresses in polycrystalline materials
ISBN: 9783838334455 / Angielski / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The present work deals with stress redistributions and their subsequent influence on the precipitation in NiTi based shape memory alloys. Two mechanisms which may result into the stress redistribution are selected. The calculations based on the linear elasticity theory are performed using three simple models of microstructures with increasing complexity. The obtained results clearly show that the selected mechanisms give rise to the stress redistribution in the microstructures. The interaction energy between redistributed stress field and the precipitate-matrix misfit strain is calculated....
The present work deals with stress redistributions and their subsequent influence on the precipitation in NiTi based shape memory alloys. Two mechanis...
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cena:
219,18 |
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Nonlinear Mechanical Analysis of Carbon Nanostructures
ISBN: 9783843369916 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Carbon nanostructures, including graphene sheets, carbon nanotubes, and fullerenes, are among the most important, most studied, and most promising nanomaterials. Their exceptional mechanical, physical and chemical properties have led to various applications, for which the design process is directly or indirectly dependent on the analysis of mechanical properties and behavior. In this book, a novel simulation method for nonlinear mechanical analysis of carbon nanostructures is introduced. This method is based on the development of the hybrid atomistic-structural element. Nonlinear formulation...
Carbon nanostructures, including graphene sheets, carbon nanotubes, and fullerenes, are among the most important, most studied, and most promising nan...
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cena:
219,18 |
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Non-Euclidean Models of Elastoplastic Materials with Structure Defects
ISBN: 9783843373913 / Angielski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
263,91 |
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Microstructural Aspects of Multiface Wc-Based Composite Damage
ISBN: 9783843371780 / Angielski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this work the effect of transformation toughening induced by tetragonal ZrO2 particles embedded into the WC-Co(Ni) cermet was studied to evaluate the potential of the newly developed three phase composite as the wear resistant material. The present study relates to microstructural characterization of WC-ZrO2-Ni/Co hybrid materials. The addition of 6% of yttria stabilized zirconia results in WC grains refinement and increase in fracture toughness through realization of transformation of zirconia from tetragonal to monoclinic modification during crack propagation. The overall goal of the...
In this work the effect of transformation toughening induced by tetragonal ZrO2 particles embedded into the WC-Co(Ni) cermet was studied to evaluate t...
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cena:
219,18 |
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Research, Experimentation, and Fabrication of Aluminum Matrix and Carbon Nanutubes Reinforcement Composite Material
ISBN: 9783843360807 / Angielski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Basel ElThalathiny was one among a group of 6 undergraduate students who conducted this research project in order to enhance the Mech. Properties of the Aluminum by adding Carbon nano-tubes Reinforcement. The procedure followed was simply making a powder mixture of Aluminum & CNT using Ball Milling technique, then forming a bulk material by hot compaction & hot extrusion. Finally, the obtained specimens were tested in order to investigate the effect of adding different compositions of CNT and different milling times on the Mech. Prop. of the obtained composite. The different combinations of...
Basel ElThalathiny was one among a group of 6 undergraduate students who conducted this research project in order to enhance the Mech. Properties of t...
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cena:
219,18 |
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