Robust Engineering Design-By-Reliability with Emphasis on Mechanical Components and Structural Reliability, Volume 1

To remain competitive in today’s global marketplace, all countries must manufacture reliable products and develop reliable services that yield the minimum life-cycle cost to the user. Recognizing this fact, the author draws on his extensive personal experiences as an educator, consultant, and engineer to bring this book, the first to provide an advanced methodology to achieve optimum designed-in reliability of products and components. Specific applications feature mechanical components and structural members widely used today. The implementation of this methodology will enable the engineer to design products and components with superior reliability, maintainability, safety, and value. Content: Front Matter • Preface • Table of Contents 1. Introduction 2. Fifteen-Step Reliability Prediction and the "Robust Engineering Design by Reliability" Methodology 3. The Central Limit Theorem, and the Moments and the Monte Carlo Simulation Methods of Synthesizing Distributions 4. Methods of Determining the Failure Governing Stress Distribution 5. Methods of Determining the Failure Governing Strength Distribution 6. Illustrated Methods of Calculating the Reliability of Components 7. Determination of the Designed-in Reliability Confidence Limit at a Specified Confidence Level 8. Unreliability and Reliability Determination by the Stress/Strength Distributions' Interference Approach 9. A Unified Look at Design Safety Factors, Safety Margins and Measures of Reliability 10. Comparative Accuracy of Evaluating Reliability Using Simpson's Rule, the Trapezoidal Rule and the Gauss-Legendre Method 11. Exact and Easy to Obtain Solutions for the Prediction of the Reliability of Mechanical Components and Structural Members 12. Numerical Solutions for the Prediction of the Reliability of Mechanical Components and Structural Members When Closed Form Solutions are Not Available 13. Monte Carlo Simulation Method for Reliability Determination 14. Failure Modes, Effects, and Criticality Analysis 15. Additional Applications of These Methodologies 16. Application Guidance for These Methodologies • Appendix A • About the Author Index ? Methods of synthesizing distributions? Methods of determining the failure governing stress and strength distributions? Quantification of the Reliability and Unreliability of components and structural members using the modern failure governing stress and strength distributions interference approach? A unified look at the concepts of safety factors, safety margins and the designed-in Reliability? Special methods, including Monte Carlo simulation, to predict the Reliability of mechanical components and structures? The process of Failure Modes, Effects and Criticality Analysis (FAMECA)? Numerous examples of applications and guidelines for the implementation of the EDBR methodology--This new book is the first to provide an advanced methodology to achieve optimum designed-in reliability of products and components. All steps are clearly illustrated by worked practical examples. Specific applications feature mechanical components and structural members widely used today. The implementation of this methodology will enable the engineer to design products and components with superior reliability, maintainability, safety, and value. --TABLE OF CONTENTS Problems and reference sections are included in each chapter. Preface Chapter 1--Introduction? The Need for Engineering Design by Reliability? Differences between Mechanical and Electronic Reliability Prediction Methods? Available Mechanical Reliability Prediction Methods? Comparison of the Conventional Design Methodology and the "Engineering Design by Reliability" Methodology? The Safety Factor and Safety Margin Concepts in Design versus the Reliability Concept Chapter 2--Fifteen-Step Reliability Prediction and the "Robust Engineering Design by Reliability" Methodology? Introduction? Definition of Reliability? Fifteen-Step Methodology Chapter 3--The Central Limit Theorem, And The Moments And The Monte Carlo Simulation Methods Of Synthesizing Distributions? The Sum of Many Independent and Indentically Distributed (IID) Random Variables? The Central Limit Theorem? The Method of Moments? Interpolation Procedure for z''a Tables? The Monte Carlo Simulation Method? Comments on Methods for Synthe-Sizing Distributions Chapter 4--Methods of Determining the Failure Governing Stress Distribution? Determination of the Load Characteristics and The Associated Stress Distribution? Procedure for Determining the Failure Governing Stress Distribution? Methods of Synthesizing the Failure Governing Stress Distribution? Binary Synthesis of Distributions? Generation of System Moments? Monte Carlo Simulation Chapter 5--Methods of Determining the Failure Governing Strength Distribution? Distribution of the Material Properties and the Associated Strength Distribution? Data Generation and Determination of the Distributions of the Material Strength Properties? Procedure for Determining the Failure Governing Strength Distribution? Binary Synthesis of Normal Distributions Method? Generating System Moments Method? Monte Carlo Simulation Method Chapter 6--Illustrated Methods of Calculating the Reliability of Components? Introduction? The General Reliability Expression to Be Used When f(S) and f(s) Are Both Neither Normal Nor Lognormally Distributed? Numerical Integration? Mellin Transforms? Monte Carlo Simulation? Normal Failure Governing Stress and Strength Distributions? Lognormal Failure Governing Stress and Strength Distributions? Reliability of Components Given the Failure Governing Stress Distribution and a Discrete, Fixed Failure Governing Strength? Reliability of Components Given a Discrete Failure Governing Stress and the Failure Governing Strength Distribution? Reliability of Components Given Discrete Failure Governing Stress and Strength? Reliability When f(s) and f(S) Are Both Normal, and When s=S? Reliability When Failure Governing Stress and Strength Are Both Distributed? Reliability of Components Subjected To Fatigue Given a Fixed Alternating Stress Level, the Corresponding Cycles-To-Failure Distribution and a Specific Life Requirement? Reliability When Operating an Additional Number of Cycles Having Already Completed a Specific Number of Cycles of Operation at a Specific Alternating Stress Level and the Associated F(N)? Reliability Given the Distribution of the Duty Cycles of Operation of Identical Components and Their Cycles-To-Failure Distribution under Fatigue Loading? Reliability for a Specific Life Given the Failure Governing Strength Distribution for That Life and a Constant Maximum Alternating Stress under Fatigue Loading? Reliability for a Specific Life Given the Failure Governing Strength Distribution for That Life and the Failure Governing Maximum Alternating Stress Distribution for That Life under Fatigue Loading? Reliability for Completing An Additional Number of Cycles, Having Already Completed A Specific Number of Cycles of Operation Successfully, Given, f(Sn1), f(sn1), f(Sn1+n) andf(sn1+n) under Fatigue Loading? Reliability with Combined Alternating and Mean Stress under Fatigue Loading Chapter 7--Determination of the Designed-In Reliability Confidence Limit at A Specified Confidence Level? Introduction? Determination of Mechanical Reliability? Determination of the Lower One-Sided Confidence Limit on the Reliability? Calculating the Lower One-Sided Confidence Limit on the Reliability? Effect of Confidence Level on the Lower, One-Sided Confidence Limit on the Reliability? Effect of Sample Size on the Lower, One-Sided Confidence Limit on the Reliability? How to Design To a Reliability Goal at a Specified Confidence Level? Conclusions and Recommendations Chapter 8--Unreliability and Reliability Determination by the Stress/Strength Distributions'' Interference Approach? Introduction? The Failure Probability and Failure Function? Failure Function Determination? The Survival Function? Determination of Reliability or Unreliability by the Difference-Distribution Method? Conclusions Chapter 9--A Unified Look At Design Safety Factors, Safety Margins And Measures Of Reliability? Introduction? Failure Governing Stress and Strength, and Their Distributions? Safety Factors? Safety Margins? Measures of Reliability? ConclusionsChapter 10--Comparative Accuracy of Evaluating Reliability Using Simpson''s Rule, the Trapezoidal Rule and the Gauss-Legendre Method? Introduction? Simpson''s Rule, Trapezoidal Rule, and Gauss-Legendre Methods? Methodology for Evaluating Reliability? Comparison of the Accuracy? Conclusions Chapter 11--Exact and Easy To Obtain Solutions for the Prediction of the Reliability of Mechanical Components and Structural Members? Introduction? Lognormal Failure Governing Stress and Strength Distributions? Gamma Failure Governing Stress and Strength Distributions? Exponential Failure Governing Stress and Normal Failure Governing Strength Distributions? Exponential Failure Governing Stress and Truncated Normal Failure Governing Strength Distributions? Normal Failure Governing Stress and Exponential Failure Governing Strength Distributions? Truncated Normal Failure Governing Stress and Exponential FailureGoverning Strength Distributions The Supply Chain Operation Reference (SCOR) framework is a proven solution to the ever-present business struggle of strengthening and improving company-wide processes.This leading cross-industry model for maximizing efficiency provides you with a lasting competitive advantage, revealing the key to achieving flawless production in a compressed timeline. By incorporating the proven Supply Chain Council DCOR and CCOR models to expand the process scope, Supply Chain Excellence offers a comprehensive look at the entire value chain process and provides you with a step-by-step guide for implementing an improvement strategy that will help your organization succeed.With examples and insights from nearly one hundred supply chain improvement projects to draw from, you will learn how to:identify the causes of misalignment in their company;utilize a scorecard to analyze and evaluate their current processes;strategize, prioritize, and implement a new method;incorporate management techniques such as Six Sigma and Lean;and quantify the financial value of supply chain improvement.Supply Chain Excellence also adapts the use of the SCOR model for an SAP environment, global enterprises, and small businesses to help any organization keep its sales, manufacturing, distribution, and inventory moving in perfect synchronization. "To keep your sales, manufacturing, distribution, and inventory moving in perfect synchronization, you need a flawless, repeatable supply chain improvement approach that maximizes process efficiency, eliminates dysfunction, and aligns disparate organizations-globally. Supply Chain Excellence, ahead of the curve in its original edition, again breaks new ground with a highly compressed timeline for using the SCOR (Supply Chain Operations Reference) framework to plan and execute supply chain improvement. In addition to the value chain processes of DCOR and CCOR, the book is now adapted for use in an SAP environment, in global enterprises, and by small businesses. Featuring examples and experience from roughly 100 projects, the completely updated third edition refines the use of the scorecard for better process analysis; extends the approach to encompass implementation and strategy; and quantifies the financial value of supply chain improvement to demonstrate its importance in achieving lasting competitive advantage.'--Publisher's description "To keep your sales, manufacturing, distribution, and inventory moving in perfect synchronization, you need a flawless, repeatable supply chain improvement approach that maximizes process efficiency, eliminates dysfunction, and aligns disparate organizationsùglobally. Supply Chain Excellence, ahead of the curve in its original edition, again breaks new ground with a highly compressed timeline for using the SCOR (Supply Chain Operations Reference) framework to plan and execute supply chain improvement. In addition to the value chain processes of DCOR and CCOR, the book is now adapted for use in an SAP environment, in global enterprises, and by small businesses. Featuring examples and experience from roughly 100 projects, the completely updated third edition refines the use of the scorecard for better process analysis; extends the approach to encompass implementation and strategy; and quantifies the financial value of supply chain improvement to demonstrate its importance in achieving lasting competitive advantage."-- Provided by publisher Featuring examples and experience from roughly 100 projects, this edition refines the use of the scorecard for better process analysis; extends the approach to encompass implementation and strategy; and quantifies the financial value of supply chain improvement to demonstrate its importance in achieving lasting competitive advantage.