Specification development
著者
書誌事項
Specification development
（Mechanical vibration & shock / Christian Lalanne, v.5）
Penton, 2002
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注記
Includes bibliography and index.
内容説明・目次
内容説明
This final volume in the "Mechanical Vibrations and Shocks" series is concerned with applying the principle of tailorization to the method of specification development. The extreme response and failure damage spectra are defined for each type of stress - sinusoidal vibrations, swept sine, shock random vibrations etc. The process for establishing specification from the life cycle profile of the equipment is then detailed, taking account of the uncertainty factor. This is designed to cover uncertainties related to dispersion of the real environment and mechanical strength, and of the test factor, which takes account of the number of tests performed to demonstrate the resistance of the equipment.
目次
- Chapter 1. Spectrum of extreme responses of a sinusoidal vibration Effects of vibrations
- Spectrum of extreme responses of a sinusoidal vibration
- Spectrum of extreme responses of a swept sine vibration. Chapter 2. First excursion beyond a given level of response to a random vibration of a linear system with one degree of freedom Assumptions
- Definitions
- Statistically independent crossings of threshold
- Maxima of statistically independent response
- Crossings of threshold of the envelope of independent maxima
- 2.6.Maxima of independent envelope
- Assumption of a Markov process
- Vanmarcke model Chapter 3. Spectrum of extreme responses of a random vibration Excitation defined in time field
- Excitation defined by a DSP
- Effect of truncation of acceleration signal
- Narrow bands swept on a random vibration with broad band
- Sinusoidal vibration superimposed on a random vibration with broad band
- Swept sine superimposed on a random vibration with broad band
- Case of several sinusoidal vibrations superimposed on a random vibration with broad band
- Case of several swept sines superimposed on a random vibration with broad band Chapter 4. Spectrum of fatigue damage by sinusoidal vibration Single sinusoid
- Periodic signal
- General expression for damage
- Fatigue damage
- Fatigue assuming Wohler curve
- Fatigue created by a vibration sine swept on a linear system with a degree of freedom
- Reduction of test duration. Chapter 5. Spectrum of fatigue damage due to random vibration Spectrum of fatigue damage arising from acceleration time signal
- Spectrum of fatigue damage arising from a spectral concentration of power
- Reduction of test duration
- Truncation of peaks of acceleration signal
- Narrow bands swept on a random vibration with broad band
- Sinusoidal vibration superimposed on a random vibration with broad band
- Swept sine superimposed on a random vibration with broad band
- Case: several sinusoidal vibrations superimposed on a random vibration with broad band
- Case: several swept sines superimposed on a random vibration with broad band Chapter 6. Spectrum of shock fatigue damage General expression for fatigue damage Use of the spectrum of response to shock in the impulse zone 3. Damage created by simple shocks in the static zone of the spectrum of response Chapter 7. Specifications Definitions
- Types of tests
- Requirement of test specification
- Types of specifications Chapter 8. Guarantee coefficient Sources of uncertainties
- Statistical aspect of the environment and the resistance of materials Guarantee coefficient. Chapter 9. Coefficient of ageing Coefficient of ageing aim
- Laws of ageing used for reliability
- Method of calculation of coefficient
- Influence of standard deviation on the law of ageing
- Influence of average on the law of ageing Chapter 10. Test factor Philosophy
- Calculation of test factor
- Choice of degree of confidence
- Influence number of tests N Chapter 11. Development of specifications Personalization of the tests
- Stage No 1 - Analysis of the profile of life - census of the situations Stage No 2 - Determination of the data of real environment partners to each situation
- Stage No 3 - Determination of the environment to be simulated
- Stage No 4 - Establishment of test program
- Application of this method to the case of the intercomparison
- Effect of the environment on the management of project Chapter 12. Other uses of the spectra of extreme response and damage by fatigue Comparisons of severity
- Transformation swept sine - random Principal notations - Bibliography - Index
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