The request to organize under its patronage at Poitiers in 1998 a Symposium entitled "Advanced Optical Methods and Applications in Solid Mechanics" by the International Union of Theoretical and Applied Mechanics (I.U.T.A.M.) was well received for the following two reasons. First, for nearly 20 years no Symposium devoted to optical methods in solids had been organized. Second, recent advances in digital image processing provided many new applications which are described in the following. We have the honour to present here the proceedings of this Symposium. st th The Symposium took place from august 31 to September 4 at the Institut International de la Prospective in Futuroscope near Poitiers. A significant number of internationally renowned specialists had expressed their wish to participate in this meeting. The Scientific Committee proposed 16 general conferences and selected 33 regular lectures and 17 poster presentations. Papers corresponding to posters are not differentiated in the proceedings from those that were presented orally. It is worth noting that a total of 80 participants, representing 16 countries, registered for this symposium.. The Scientific Committee deserves praise for attracting a significant number of young scientists, both as authors and as participants. Let us add our warm acknowledgements to Professor J.W. Dally and to Professor A.S. Kobayashi who, throughout the symposium preparation time, brought us valuable help.Reseña del editor:
This symposium deals with results for the measurement of stresses or kinematics quantities in both static and dynamic applications. The emphasis was to show the efficiency of these optical methods in many topics of solid mechanics and the promise of an approach to thermomechanical problems. The presented papers reveal the extensive evolution of photomechanics. Numerical and experimental analysis are no longer concurrent but complementary. The result is a more effective approach, with increased accuracy, and full field solutions in real time. Finally, there are significant indications of a closer coupling of optical methods with material science including both macro and microscopic aspects of materials behaviour. The proceedings, which should be a useful tool for a scientific or an engineer reader, is presented in three parts: the methods, which are diverse, and present a conceptual character; the tools which are numerical, instrumental or purely optical, and bring new possibilities; and the applications in different fields of mechanics.
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