A reference book for the GO-FLOW methodology
This book describes not only a detailed explanations for GO-FLOW but also the PSA, advanced system reliability analysis methodologies, and Common Cause Failure analysis.

Contents

Forward
1. Basic concept of PSA
2. PSA for the Nuclear Industry

3. Quantification of Accident Sequences
(Event tree and Fault tree)
4. System Reliability Analysis

4.1. FMEA
4.2. Reliability Block Diagram
4.3. Fault Tree
4.4. Markov Approach
4.5. GO Methodology
4.6. Petri Net
4.7. Digraph Matrix
4.8. Dynamic Event tree
4.9. Dynamic Goal tree
4.10. Continuous Event tree
4.11. Discrete Event Simulation
4.12. DYLAM

5. Overview of GO-FLOW

5.1. History
5.2. Meaning of Signal
5.3. Time Points
5.4. Function of Operator
5.5. Signal Intensity
5.6. Detailed Explanation for Operators

5.6.1. Type 21 Operator
.....
5.6.14. Type 40 Operator

5.7. Analysis Procedure
6. Understanding of the Analysis procedure by a Sample Problem

6.1. GO-FLOW Chart
6.2. Input Data
6.3. Results of Analysis
6.4. Treatment of the dependency between signals

7. GO-FLOW Analysis support system

7.1 GO-FLOW Chart Editor
7.2 GO-FLOW Chart Plotting program

8. Phased Mission Problem

8.1. Introduction of type 40 operator
8.2. An example of Analysis

9. Function of Common Cause Failure Analysis

9.1. Common Cause Failure

9.1.1. Cause and Failure
9.1.2. Coupling Mechanism
9.1.3. Intensity of failure cause
9.1.4. Randomness
9.1.5. Explicit Dependency
9.1.6. Parametric Dependency
9.1.7. Timing of failure
9.1.8. Classification of failure

9.2. Treatment of CCFs in System Reliability Analysis

9.2.1. System Logic Model
9.2.2. Identification of CCF component group

9.2.2.1 Qualitative Screening
9.2.2.2 Quantitative Screening

9.3 Modeling of CCF

9.3.1 Explicit method
9.3.2 Parametric method

9.4. CCF data
9.5. Treatment of CCFs in the GO-FLOW
9.6. Procedure of CCF Analysis in GO-FLOW program
9.7. An Example of Analysis
10. Uncertainty Analysis

10.1 Distribution function of failure rates
10.2 An Example of Analysis

11. Uncertainty Analysis with CCFs

11.1 An Example of Analysis

12. Framework of GO-FLOW Analysis program
13. Expression Tool for GO-FLOW Analysis results

References

Appendix

A.1. Configuration of GO-FLOW Analysis program
A.2. Meanings of Main variables in the Program

 

Recommendation

This book will contribute greatly to the field of system reliability analysis. The GO-FLOW methodology is explained clearly and in detail. This book is very useful when you perform PSA or system reliability analysis.

Professor Shunsuke KONDO
(University of Tokyo)

GO-FLOW Program Introduction