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2020 | Book

Introduction Read chapter Read first chapter

Conceptual Theories in Structural Dynamics

Authors: Prof. Dr. Farzad Hejazi, Tan Kar Chun

Publisher: Springer Singapore

Book Series : Advanced Structured Materials

Part of: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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About this book

This book discusses the conceptual theory of structural dynamics, using simplified methods and clear, concise explanations. It illustrates all the hypotheses in a simple and effective way and describes in detail the derivation of all related formulations. Further, comprehensive step-by-step explanations combined with conceptual derivations, drawings and figures allow readers to grasp all the analytical formulations related to the dynamics of structures. Covering free and forced vibrations of single- and multi-degree of freedom systems represented as structure, subjected to dynamic load, the book also explores the most common types of dynamic loads applicable to structures, such as harmonic loads, impact loads and earthquakes, presenting relevant details, derivations and effective problems to explain the concept for various conditions. In addition, each chapter provides examples at different levels to help students, researchers and engineers gain a better understanding of the topics better, and includes numerous real-world problems to familiarize readers with the challenges related to structural engineering.

Table of Contents

Frontmatter
1. Introduction
Abstract
Newton’s third law of motion states that when a force is acting as an action, another force with equal magnitude will act in the opposite direction as reaction. A body is said to be in equilibrium when the net force acting on it is zero.
Farzad Hejazi, Tan Kar Chun
2. Components of Structural Dynamics
Abstract
Under equilibrium, a structure subjected to dynamic load immediately develops reaction force from three components: mass, damping and stiffness.
Farzad Hejazi, Tan Kar Chun
3. Free Vibration of Single Degree of Freedom System
Abstract
A single degree of freedom (SDOF) system describes structural motion with only one degree of freedom. This simplifies the analysis procedure because it is a system with only one displacement coordinate. SDOF system is often used for approximation during the early engineering stage, rather than during the detailed engineering stage.
Farzad Hejazi, Tan Kar Chun
4. Force Vibration of Single Degree of Freedom System
Abstract
The harmonic excitation or force vibration can be described by means of sine function or by means of cosine function.
Farzad Hejazi, Tan Kar Chun
5. Single Degree of Freedom Systems Subjected to Various Excitations
Abstract
Structural engineering does not only deal with dynamic load induced by nature, such as wind, tide and ground motion. Machine operated with a certain pattern that can be described mathematically. Unlike the natural phenomena, properties of machine vibration are consistent and can be determined easily. Therefore, dynamic load induced by machine is a type of harmonic excitation.
Farzad Hejazi, Tan Kar Chun
6. Multi-degree of Freedom System
Abstract
A multi-degree of freedom (MDOF) system describes structural motion with multiple degrees of freedom.
Farzad Hejazi, Tan Kar Chun
Backmatter
Metadata
Title
Conceptual Theories in Structural Dynamics
Authors
Prof. Dr. Farzad Hejazi
Tan Kar Chun
Copyright Year
2020
Publisher
Springer Singapore
Electronic ISBN
978-981-15-5440-7
Print ISBN
978-981-15-5439-1
DOI
https://doi.org/10.1007/978-981-15-5440-7

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