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Course Outline: Days 1 & 2

Morning Lecture Sessions

I. Physics behind Flexibility Analysis

  • Purpose of stress analysis
  • Tips for flexible layout
  • Codes and regulations, and scope of code rules
  • Minimum flexibility requirements
  • Terminal reactions
  • Piping flexibility
  • Location of supports and restraints
  • Pipe Hangers
  • Design Considerations

II. Background and Intent of ANSI B31.x Codes

  • Applicability of ANSI B31.x codes
  • History and Scope of Piping codes
  • Code design process
  • Longitudinal Pressure stress, Intensified moment stress, combined loads
  • Fatigue ratcheting
  • Piping failures
  • ASME BPV Design By Analysis article
  • Piping Design Conditions (sustained, expansion, wind, earthquake)
  • Allowable stress
  • Basis for the Code Allowable
  • Acceptance criteria for different stresses
  • Expansion Stress range concept
  • Pipe sizing and flow velocities
  • Code design requirements
  • Internal pressure design
  • Circumferential stress
  • Area replacement rule
  • Sustained, Expansion and Occasional stresses
  • Stress Intensification Factors (SIFs)
  • Stress range reduction factor

Afternoon Sessions

  • Hands-On Workshop Problems
  • Create simple and involved models in CAEPIPE - modeling, analysis and results discussion
  • One or two case studies from statics and advanced statics will be discussed.

Course Outline: Day 3

Morning Lecture Sessions

III. Summary of Piping Design & Analysis Considerations

  • Piping Failure Modes
  • Piping Code Stress Types
  • Design Load Categorization
  • Piping Code Rules
  • Additional Design Checks
  • Design Tips for Piping and Supports
  • Location of Hangers & Preferred Attachment Points
  • Conflict between Flow and Pipe Stress Requirements
  • Nozzle Stress / Local Shell flexibility
  • Local Stress Checks & Selection of Allowable Stress
  • General Notes on Shell Behavior

IV. Piping Dynamics (Only the basics of dynamics will be covered)

  • Modal Analysis

Afternoon Sessions

  • Advanced Modeling Techniques
  • Complex Static + Simple Dynamic Analysis
  • Case Study - Topic to be announced