Random Vibration Mechanical, Structural and Earthquake Engineering Applications by Zach Liang and George C. Lee
Understanding and modeling a vibration system and measuring and controlling its oscillation responses are important basic capacities for mechanical, structural, and earthquake engineers who deal with the dynamic responses of mechanical/structural systems.
Generally speaking, this ability requires three components: the basic theories of vibrations, experimental observations, and measurement of dynamic systems and analyses of the time-varying responses.
Among these three eorts, the former two are comparatively easily learned by engineering students.
However, the third component often requires a mathematical background of random processes, which is rather abstract for students to grasp.
We thus decided to emphasize the methodology of dealing with random vibration. In other words, we have concluded that it is possible to oer a meaningful course in random vibration to students of mechanical and structural engineering by changing the knowledge-based course approach into a methodology-based approach.
The course will guide them in understanding the essence of vibration systems, the fundamental dierences in analyzing the deterministic and dynamic responses, the way to handle random variables, and the way to account for random process.
This is the basic approach that underlines the material developed in this Random Vibration Mechanical, Structural and Earthquake Engineering Applications book.
students might gain the basic methodology to handle the generality of engineering projects and develop a certain capability to establish their own logic to systematically handle the issues facing the theory and application of random vibrations.
Presented in four sections, the material discusses the scope of random processes, provides an overview of random processes, highlights random vibrations, and details the application of the methodology. Relevant engineering examples, included throughout the text, equip readers with the ability to make measurements and observations, understand basic steps, validate the accuracy of dynamic analyses, and master and apply newly developed knowledge in random vibrations and corresponding system reliabilities.
The rst is a discussion of the scope of random process, including engineering problems requiring the concept of probability to deal with.
The second is the overview of random process, including the time domain approach to dene timevarying randomness, the frequency domain approach for the spectral analysis, and the statistical approach to account for the process.
The third section is dedicated specically to random vibrations, a typical dynamic process with randomness in engineering practice.
The fourth section is the application of the methodology. In recent years, we used typical examples of developing fatigue design limit states for mechanical components and reliability-based extreme event design limit states for bridge components in teaching this course.
Random Vibration Mechanical, Structural, and Earthquake Engineering Applications effectively integrates the basic ideas, concepts, principles, and theories of random processes. This enables students to understand the basic methodology and establish their own logic to systematically handle the issues facing the theory and application of random vibrations.
it is an excellent resource for students to learn basic methodologies handling random processes and a great reference material for researchers exploring their research on principles of multiple hazard design for structures – admirable for its content – The authors successfully make a breakthrough that avoids mathematical difficulties for students to absorb the essential concepts needed to account for random data and processes, and effectively help readers apply the methodologies to solve their problems.
“exceptional material for the study of random vibration”
- Language: English
- Pages: 661
- Publisher: CRC Press
- Format: PDF
- Size: 15.1 MB
- Zach Liang
- George C. Lee
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