tailieunhanh - Risk Analysis for Engineering 1

Tham khảo tài liệu 'risk analysis for engineering 1', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Risk Analysis in Engineering and Economics INTRODUCTION XỞ OFA7 CHAPTER fGE A. J. Clark School of Engineering Department of Civil and Environmental Engineering 1 Risk Analysis for Engineering Department of Civil and Environmental Engineering University of Maryland College Park chapman hAll CRC CHAPTER 1. INTRODUCTION Slide No. Societal Needs Risk analysis is becoming very important tools for modern industrial societies. The abundance of information in these industrial societies does not necessarily gives certainty. In fact these abundance of information can sometimes leads to errors in decision making and hence to undesirable outcomes. Therefore risk analysis is needed. H CHAPTER 1. INTRODUCTION Slide No. Risk Analysis Risk analysis should be performed using a systems framework that need to account for - uncertainties in modeling system architecture - Behavior physical laws - prediction models - interaction among a system s components and - impacts on the system and its surrounding environment. CHAPTER 1. INTRODUCTION Slide No. Risk Analysis Example 1 Identification of Risk in a Truss Structural System 29 structural members CHAPTER 1. INTRODUCTION Slide No. Risk Analysis Example 1 cont d Identification of Risk in a Truss Structural System - The system can be thought as system in series. - If one of the truss 29 members fails then the whole system fails to function and may collapse. - Therefore the potential modes of failure can be identified and the associated risks must be assessed. CHAPTER 1. INTRODUCTION Slide No. Risk Analysis Example 1 cont d Identification of Risk in a Truss Structural System -A design could be enhanced to allow for partial failures instead of catastrophic failures and to introduce redundancy through the addition of some members to work as standby or load-sharing members to critical members in the structure. - Enhancements may include increasing design strength and reducing the failure likelihood and associated failure consequences to .

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