Smart Structures - Innovative Systems for Seismic Response Control [MF]

Smart Structures - Innovative Systems for Seismic Response Control





Description: An innovative concept, smart structural systems have proven to be extremely effective in absorbing damaging energy and/or counteracting potentially devastating force, thus limiting structural collapse and subsequent injury. As this technology rapidly evolves, there is an ever-increasing need for an authoritative reference that will allow those in the field to stay abreast of the very latest advances.
Smart Structures: Innovative Systems for Seismic Response organizes current research and technology to provide researchers and practicing engineers, as well as advanced students, with the means to learn about and apply the very latest smart structure innovations. Key features include—
# Complete mathematical formulations and numerical procedures for topics presented
# New technologies
# Design guidelines and examples based on current official codes
# Consideration of smart structures on a variety of foundations
# Discussion of the use of smart structures with passive or semi-active devices
# Extensive references
Designed for self-teaching, the text emphasizes essential information on structural formulations, mechanism of control systems, and numerical algorithms. It also provides step-by-step numerical examples to illustrate mathematical formulations and interpret physical representations, enabling readers to understand the forumulae vis-а-vis their applications. Each chapter comprehensively explores a specific topic, from smart structure systems currently in use, to case studies utilizing simulated earthquake data.

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Publisher: CRC
Language: English
ISBN: 0849385326
Paperback: 672 pages
Data: Feb 2008
Format: PDF

E-book4Civil

Advances in performance-based earthquakeengineering [MF]

Advances in performance-based earthquakeengineering
Fardis, Michael N. (Ed.) 1st Edition., 2010, XX, 486 p. 325 illus.





Performance-based Earthquake Engineering has emerged before the turn of the century as the most important development in the field of Earthquake Engineering during the last three decades. It has since then started penetrating codes and standards on seismic assessment and retrofitting and making headway towards seismic design standards for new structures as well. The US have been a leader in Performance-based Earthquake Engineering, but also Europe is a major contributor. Two Workshops on Performance-based Earthquake Engineering, held in Bled (Slovenia) in 1997 and 2004 are considered as milestones. The ACES Workshop in Corfu (Greece) of July 2009 builds on them, attracting as contributors world-leaders in Performance-based Earthquake Engineering from North America, Europe and the Pacific rim (Japan, New Zealand, Taiwan, China). It covers the entire scope of Performance-based Earthquake Engineering: Ground motions for performance-based earthquake engineering; Methodologies for Performance-based seismic design and retrofitting; Implementation of Performance-based seismic design and retrofitting; and Advanced seismic testing for performance-based earthquake engineering.
Audience: This volume will be of interest to scientists and advanced practitioners in structural earthquake engineering, geotechnical earthquake engineering, engineering seismology, and experimental dynamics.

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Bayesian methods for structural dynamics and civil engineering [MF]

Bayesian methods for structural dynamics and civil engineering
Yuen, Ka-Veng


Short description
As an outgrowth of statistics and probability, Bayesian theory has been applied to numerous research areas, particularly, biology, medical sciences, physics, and information theory. More recently, the Bayesian approach has been introduced to address structural dynamics problems, including earthquake ground motion and the material properties of concrete, rock, and soil. This is the first book to address the applications of Bayesian methods to such challenging civil engineering problems as modal/model updating. Covering real-world case studies in civil engineering and beyond, the book presents methods applicable to mechanical and aerospace engineering and familiarizes readers with all the latest developments in the field.

From the contents
Contents
Preface
Nomenclature
1 Introduction
1.1 Thomas Bayes and Bayesian Methods in Engineering
1.2 Purpose of Model Updating
1.3 Source of Uncertainty and Bayesian Updating
1.4 Organization of the Book
2 Basic Concepts and Bayesian Probabilistic Framework
2.1 Conditional Probability and Basic Concepts
2.2 Bayesian Model Updating with Input-output Measurements
2.3 Deterministic versus Probabilistic Methods
2.4 Regression Problems
2.5 Numerical Representation of the Updated PDF
2.6 Application to Temperature Effects on Structural Behavior
2.7 Application to Noise Parameters Selection for Kalman Filter
2.8 Application to Prediction of Particulate Matter Concentration
3 Bayesian Spectral Density Approach
3.1 Modal and Model Updating of Dynamical Systems
3.2 Random Vibration Analysis
3.3 Bayesian Spectral Density Approach
3.4 Numerical Verifications
3.5 Optimal Sensor Placement
3.6 Updating of a Nonlinear Oscillator
3.7 Application to Structural Behavior under Typhoons
3.8 Application to Hydraulic Jump
4 Bayesian Time-domain Approach
4.1 Introduction
4.2 Exact Bayesian Formulation and its Computational Difficulties
4.3 Random Vibration Analysis of Nonstationary Response
4.4 Bayesian Updating with Approximated PDF Expansion
4.5 Numerical Verification
4.6 Application to Model Updating with Unmeasured Earthquake Ground Motion
4.7 Concluding Remarks
4.8 Comparison of Spectral Density Approach and Time-domain Approach
4.9 Extended Readings
5 Model Updating Using Eigenvalue-Eigenvector Measurements
5.1 Introduction
5.2 Formulation
5.3 Linear Optimization Problems
5.4 Iterative Algorithm
5.5 Uncertainty Estimation
5.6 Applications to Structural Health Monitoring
5.7 Concluding Remarks
6 Bayesian Model Class Selection
6.1 Introduction
6.2 Bayesian Model Class Selection
6.3 Model Class Selection for Regression Problems
6.4 Application to Modal Updating
6.5 Application to Seismic Attenuation Empirical Relationship
6.6 Prior Distributions - Revisited
6.7 Final Remarks
A Relationship between the Hessian and Covariance Matrix for Gaussian Random Variables
B Contours of Marginal PDFs for Gaussian Random Variables
C Conditional PDF for Prediction
C.1 Two Random Variables
C.2 General Cases
References
Index

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Seismic Protective Systems - Seismic Isolation [MF]

Seismic Protective Systems - Seismic Isolation




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E-book4Civil

Seismic Analysis of Structures [MF]

Seismic Analysis of Structures
T. K. Datta, "Seismic Analysis of Structures"
Wiley | 2010 | ISBN: 0470824611 | 464 pages | PDF | 6,4 MB


While numerous books have been written on earthquakes, earthquake resistance design, and seismic analysis and design of structures, none have been tailored for advanced students and practitioners, and those who would like to have most of the important aspects of seismic analysis in one place. With this book, readers will gain proficiencies in the following: fundamentals of seismology that all structural engineers must know; various forms of seismic inputs; different types of seismic analysis like, time and frequency domain analyses, spectral analysis of structures for random ground motion, response spectrum method of analysis; equivalent lateral load analysis as given in earthquake codes; inelastic response analysis and the concept of ductility; ground response analysis and seismic soil structure interaction; seismic reliability analysis of structures; and control of seismic response of structures.

* Provides comprehensive coverage, from seismology to seismic control
* Contains useful empirical equations often required in the seismic analysis of structures
* Outlines explicit steps for seismic analysis of MDOF systems with multi support excitations
* Works through solved problems to illustrate different concepts
* Makes use of MATLAB, SAP2000 and ABAQUAS in solving example problems of the book
* Provides numerous exercise problems to aid understanding of the subject

As one of the first books to present such a comprehensive treatment of the topic, Seismic Analysis of Structures is ideal for postgraduates and researchers in Earthquake Engineering, Structural Dynamics, and Geotechnical Earthquake Engineering. Developed for classroom use, the book can also be used for advanced undergraduate students planning for a career or further study in the subject area. The book will also better equip structural engineering consultants and practicing engineers in the use of standard software for seismic analysis of buildings, bridges, dams, and towers.

Lecture materials for instructors available at
www.wiley.com/go/dattaseismic

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Design of Structures and Foundation for Vibrating Machines [MF]

Design of Structures and Foundation for Vibrating Machines
By Suresh C. Arya, Michael O'Neil, George Pincus





Publisher: Gulf Publishing 1979 | 191 Pages | ISBN: 0872012948 | File type: PDF | 7 mb

The performance, safety and stability of machines depends largely on their design, manufacturing and interaction with environment. Machine foundations should be designed in such a way that the dynamic forces transmitted to the soil through the foundation, eliminating all potentially harmful forces. This handbook is designed primarily for the practising engineers engaged in design of machine foundations. It covers basic fundamentals for understanding and evaluating dynamic response of machine foundation systems with emphasis is on detailed dynamic analysis for response evaulation. Use of commercially available Finite Element packages, for analysis and design of the foundation, is recommended.

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The Finite Element Method in Engineering, 4th Edition [MF]

The Finite Element Method in Engineering, 4th Edition

ISBN-10: 0750678283 | ISBN-13: 978-0750678285 | Publication Date: December 20, 2004 | Edition: 4


Book Description
Finite Element Analysis is an analytical engineering tool developed in the 1960's by the Aerospace and nuclear power industries to find usable, approximate solutions to problems with many complex variables. It is an extension of derivative and integral calculus, and uses very large matrix arrays and mesh diagrams to calculate stress points, movement of loads and forces, and other basic physical behaviors. Students will find in this textbook a thorough grounding of the mathematical principles underlying the popular, analytical methods for setting up a finite element solution based on those mathematical equations. It quickly bridges that knowledge to a host of real-world applications--from structural design, to problems in fluid mechanics and thermodynamics. Professional engineers will benefit from the introduction to the many useful applications of finite element analysis, and will gain a better understanding of its limitations and special uses.

New to this edition:
• New sections added on the assemblage of element equations, and an important new comparison between finite element analysis and other analytical methods.showing advantages and disadvantages of each
• Updated solutions manual available
• Improved sample and end-of-chapter problems

* The only book to provide a broadoverview of the underlying principles of finite element analysis and where it fits into the larger context of other mathematically based engineering analytical tools.
* New sections added on the assemblage of element equations, and an important new comparison between finite element analysis and other analytical methods, showing the advantages and disadvantages of each.
* New Companion website that will host usable finite element programs and sample engineering problems, as well as a Solutions Manual for end-of-chapter problems.

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