SAP2000 Dynamics of Structures Third Edition





PREFACE

Since the rst edition of this book was published in 1975, major advances have

been made in the subject "Dynamics Of Structures." While it would be impossible

to give a comprehensive treatment of all such changes in this second edition, those

considered to be of most practical signicance are included.

The general organization of text material remains unchanged from the rst

edition. It progresses logically from a treatment of single-degree-of-freedom systems

to multi-degree-of-freedom discrete-parameter systems and then on to innite-degree-

of-freedom continuous systems. The concept of force equilibrium, which forms the

basis of static analysis of structures, is retained so that the experienced engineer can

easily make the transition to performing a dynamic analysis. It is essential therefore

that the student of structural dynamics have a solid background in the theories of

statics of structures, including matrix methods, and it is assumed that the readers of

this text have such preparation.


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