Praktische Spannungsoptik
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Praktische Spannungsoptik
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Author : Ludwig Föppl
language : de
Publisher: Springer-Verlag
Release Date : 2013-03-13
Praktische Spannungsoptik written by Ludwig Föppl and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-13 with Science categories.
Spannungsoptik
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Author : Helmut Wolf
language : de
Publisher: Springer-Verlag
Release Date : 2013-03-13
Spannungsoptik written by Helmut Wolf and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-13 with Science categories.
Konstruktionslehre Des Stahlbetons
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Author : Gotthard Franz
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Konstruktionslehre Des Stahlbetons written by Gotthard Franz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Technology & Engineering categories.
Praktische Spannungsoptik
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Author : Ludwig Föppl
language : de
Publisher: Springer-Verlag
Release Date : 2013-03-13
Praktische Spannungsoptik written by Ludwig Föppl and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-13 with Science categories.
Elasticity And Plasticity Elastizit T Und Plastizit T
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Author : Siegfried Flügge
language : en
Publisher: Springer
Release Date : 2013-12-19
Elasticity And Plasticity Elastizit T Und Plastizit T written by Siegfried Flügge and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-19 with Technology & Engineering categories.
Physical Models
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Author : Bill Addis
language : en
Publisher: John Wiley & Sons
Release Date : 2020-09-25
Physical Models written by Bill Addis and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-25 with Technology & Engineering categories.
Physical models have been, and continue to be used by engineers when faced with unprecedented challenges, when engineering science has been non-existent or inadequate, and in any other situation when the engineer has needed to raise their confidence in a design proposal to a sufficient level to begin construction. For this reason, models have mostly been used by designers and constructors of highly innovative projects, when previous experience has not been available. The book covers the history of using of physical models in the design and development of civil and building engineering projects including bridges in the mid-18th century, William Fairbairn?s Britannia bridge in the 1840s, the masonry Aswan Dam in the 1890s, concrete dams in the 1920s, thin concrete shell roofs and the dynamic behaviour of tall buildings in earthquakes from the 1930s, tidal flow in estuaries and the acoustics of concert halls from the 1950s, and cable-net and membrane structures in the 1960s. Traditionally, progress in engineering has been attributed to the creation and use of engineering science, the understanding materials properties and the development of new construction methods. The book argues that the use of reduced scale models have played an equally important part in the development of civil and building engineering. However, like the history of engineering design itself, this crucial contribution has not been widely reported or celebrated. The book concludes with reviews of the current use of physical models alongside computer models, for example, in boundary layer wind tunnels, room acoustics, seismic engineering, hydrology, and air flow in buildings.
Matrix Theory Of Photoelasticity
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Author : Pericles S. Theocaris
language : en
Publisher: Springer
Release Date : 2013-06-29
Matrix Theory Of Photoelasticity written by Pericles S. Theocaris and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Photoelasticity as an experimental method for analyzing stress fields in mechanics was developed in the early thirties by the pioneering works of Mesnager in France and Coker and Filon in England. Almost concurrently, Föppl, Mesmer, and Oppel in Germany contributed significantly to what turned out to be an amazing development. Indeed, in the fifties and sixties a tremendous number of scientific papers and monographs appeared, all over the world, dealing with various aspects of the method and its applications in experimental stress analysis. All of these contributions were based on the so-called Neumann-Maxwell stress-opticallaw; they were developed by means of the classical methods of vector analysis and analytic geometry, using the conventionallight-vector concept. This way of treating problems of mechanics by photoelasticity indicated many shortcomings and drawbacks of this classical method, especially when three-dimensional problems of elasticity had to be treated and when complicated load and geometry situations existed. Meanwhile, the idea of using the Poincare sphere for representing any polarization profile in photoelastic applications was introduced by Robert in France and Aben in the USSR, in order to deal with problems of polarization oflight passing through aseries of optical elements (retarders andjor rotators). Although the Poincare-sphere presentation of any polarization profile con stitutes a powerful and elegant method, it exhibits the difficulty of requiring manipulations in three-dimensional space, on the surface of the unit sphere. However, other graphical methods have been developed to bypass this difficulty.
Cardiovascular Surgery 1980
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Author : W. Bircks
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Cardiovascular Surgery 1980 written by W. Bircks and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
This volume contains the revised texts of the presentations at the 29th International Congress of the European Society of Cardiovascular Surgery, held from July 2-5, 1980, in Dusseldorf under the presidency of Jan Nielobowicz (Warsaw). We express our gratitude to all the authors who have been partici pating in the Congress, in particular to the invited speakers A.R. Castaneda (Boston), D.B. Effler (Syracuse), F. Fontan (Bordeaux), F. Robicsek (Charlotte), and D.N. Ross (London) for their cooperation. We are grateful to our colleagues of the Surgical Department B at the University of Dusseldorf, J.A. Herzer, G. Irlich, R. Karfer, and A. Krian, for their help during preparation and organisation of the Congress. Finally, we are indebted to Sanol Schwarz GmbH for its support of this publication. Dusseldorf, June 1981 Wolfgang Bircks Jarg Ostermeyer Hagen D. Schulte Contents The Contribution of European Surgeons to the Development of Modern Vascular Surgery. J. Nielubowicz. With 20 Figures -. -- Session I Cardiac Surgery Valvular Surgery I Chairman: V.O. Bjork, Stockholm; Co-Chairman: A. Carpentier, Paris Special Morphological Structures Along the Closing Zone of the Mitral Valve. H. Heine and M. Laatz. With :5 Figures --. --. . -. -. . -- 25 Conservative Surgery of the Mitral Valve. Annuloplasty on a New Adjustable Ring. M. Puig Massana, J.M. Calbet, and E. Castells With :5 Figures --. --. --. --. --. ----
Biomechanics Of The Knee
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Author : P.G.J. Maquet
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Biomechanics Of The Knee written by P.G.J. Maquet and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
Pathological conditions affecting the hip and knee joints occupy a particular place amongst the important orthopaedic entities affecting the extremities. On the one hand they are relatively frequent and on the other they mean for the patient limitation of his ability to walk, because of their considerably detrimental effects. A purposeful basic treatment of these joint diseases (and here osteoarthritis takes pride of place) is only possible if it stems from a reliable biomechanical analysis of the normal and patho logical stressing of the joint in question. Whilst the situation in the hip can be considered to be fundamentally clarified, a com prehensive representation of the knee is still lacking particularly when taking into account the latest knowledge of biomechanics. Recently our concepts of the kinematics of the knee have been completely changed, but the clinically important question of articular stressing remains unanswered. Dr. Maquet has carried out pioneer work in this field for some years in adapting, by analogy, to the knee joint, principles already accepted for the hip joint. Since the knee is not a ball and socket joint, a complicated problem arises for which new thoughts are necessary. The results of the numerous operations carried out by Dr. Maquet according to the biomechanical con siderations, demonstrate that his thinking is fundamentally correct. Above all, it is here again proven (as earlier in the case of the hip) that healing of osteoarthritis depends decisively on reducing and evenly distributing joint pressure.
Erm Dungsfestigkeit Der Konstruktionen
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Author : H. Hertel
language : de
Publisher: Springer-Verlag
Release Date : 2013-12-20
Erm Dungsfestigkeit Der Konstruktionen written by H. Hertel and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-20 with Technology & Engineering categories.
Die erste Auflage meines 1960 im Springer-Verlag erschienenen Buches "Leichtbau" ist seit 1966 vergriffen. In den 8 Jahren nach der Drucklegung der ersten Auflage wurden in dem von mir neu errichteten und geleiteten Institut für Luftfahrzeugbau an der Technischen Universität Berlin, das bei den häufigen Quellenangaben in diesem Buch abkürzend ILTUB genannt wird, umfangreiche theoretische, versuchstech nische und auswertende Arbeiten zu den Themen Leichtbau und Ermüdungs festigkeit durchgeführt. Ich entschloß mich daher, die zweite Auflage des "Leichtbau" völlig zu erneuern und zu erweitern. Dem für den Leichtbau entscheidend wichtigen Gebiet "Ermüdungsfestigkeit" waren in der ersten Auflage nur 42 Seiten eingeräumt worden. Durch eingehende Auswertung der umfangreichen neueren Publikationen und eigene systematische Untersuchungen und Versuche ergaben sich so viele für den Konstrukteur wesent liche Erkenntnisse, daß es notwendig wurde, der Ermüdungsfestigkeit der Kon struktionen ein besonderes Buch zu widmen. Ich habe vor vielen Jahren in der Deutschen Versuchsanstalt für Luftfahrt (DVL) in Berlin die ersten Versuche über Ermüdungsfestigkeit von Flugzeugen durchgeführt und 1931 den ersten Bericht über "Dynamische Bruchversuche" mit Flugzeugteilen veröffentlicht [1]. Nachdem ich 1933 in die Industrie ging und die Entwicklung der Flugzeuge bei Heinkel und später bei Junkers leitete, galt meine besondere Aufmerksamkeit der dynamischen Festigkeit der von mir verantworteten Konstruktionen.