Mechanical Vibration and Shock - FIVE VOLUME SET
by: Christian Lalanne
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Topics include: fatigue damage spectra, relative response displacement, swept sine vibration, broad band random vibration, swept sine excitation, mean clump size, maximum variation coefficient, freedom linear system, time history signal, damage equivalence, shock response spectra, shock response spectrum, life cycle profile, rms response, sine test, exaggeration factor, duration specification, narrow band process, excitation defined, broken straight lines, aging law, equipment strength, uncertainty factor, sinusoidal stress, narrow band noise
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Published in North America by Taylor and Francis
These unique, authoritative volumes, written by one of France's leading experts, lay down presents the main methods of analysis and simulation in laboratory of the dynamic environments to which are subjected the materials transported or installed near vibratory sources.
Manufactured products must be designed to withstand the effects of the various environment factors (vibrations, shocks temperature, moisture...) which they will meet in their service life. The recent international standards require qualifying equipments by tests defined according to the real conditions of use (test tailoring).
This series proposes a method making it possible to write personalized dimensioning and test specifications starting from the life profile of the material and reproducing in it the largest stresses and the fatigue damage created by vibrations and shocks. The mechanical behaviour of the material being not known at any beginning of project, these equivalences are carried out starting from the model already used for shocks, the single degree-of-freedom mechanical system, thus generalizing its use.
The method in addition makes it possible to apply an uncertainty coefficient to take account of the variability of the real vibrations, of the material strength and a test factor to take account of small number of tests carried out during the qualification for cost reasons.
Please click on the links below for more information on individual titles in the series:
Volume I Sinusoidal Vibration
Volume II Mechanical Shock
Volume III Random Vibration
Volume IV Fatigue Damage
Volume V Specification Development
Book Description -- About the Series -- This important new series of five volumes has been written with both the professional engineers and the academic in mind. Christian Lalanne explores every aspect of vibration and shock, two fundamental and crucially important areas of mechanical engineering, from both the theoretical and practical standpoints. As all products need to be designed to withstand the environmental conditions to which they are likely to be subjected, prototypes must be verified by calculation and laboratory tests, the latter according to specifications from national or international standards. The concept of tailoring the product to its environment has gradually developed whereby, from the very start of a design project, through the to the standards specifications and testing procedures on the prototype, the real environment in which the product being tested will be functioning is taken into account. The five volumes of Mechanical Shock and Vibration cover all the issues that need to be addressed in this area of mechanical engineering. The theoretical analyses are placed in the context of the real world and of laboratory tests - essential for the development of specifications.
Volume V: Specification Development
This volume is concerned with the presentation of specification development in accordance with the principle of tailoring. Extreme response and the fatigue damage spectra are defined for each type of stress (sinusoidal vibration, swept sine, shock, random vibration, etc). The process for establishing a specification from the life cycle profile of the equipment is then detailed, taking account of the uncertainty factor, designed to cover uncertainties related to the real environment and mechanical strength; and the test factor, which takes account of the number of tests performed to demonstrate the resistance of the equipment.
First Sentence: -- Vibrations can damage a mechanical system as a result of several processes, among which are: - the exceeding of characteristic instantaneous stress limits (yield stress, ultimate stress etc.), - the damage by fatigue by application of a large number of cycles.
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About the Author -- Christian LaLanne is an expert at the French Atomic energy Authority, who has specialized in the study of vibration and shock for more than 30 years. The author of numerous publications in the field, he has been associated with the new methods of drafting testing specifications and associated informatic tools