• Introduction
Introduction to ASME Sec. III & VIII, divisions & subdivisions
 Scope of ASME Sec. VIII div. ii code
 Introduction to failure modes
 Introduction to Numerical methods
 Material properties
 Loading conditions & load cases (pressure, cyclic loading, wind, etc.)
Related annexes & tables
• Failure mode # 1: Plastic Collapse
Elastic analysis:
 Overview
 Stress classification (Pm, PL, Pb, Q, F)
 Stress linearization
 Procedure
 Ansys example
Limit-Load analysis:
 Overview
 Limitations
 Numerical analysis (elastic-perfectly-plastic material, small displacement theory)
Acceptance criteria (global, service)
 Procedure
 Ansys example
Elastic-Plastic analysis:
 Overview
 Numerical analysis (non-linear geometry, true stress-strain curve)
 Acceptance criteria (global, service)
Procedure
 Ansys example

• Failure mode # 2: Local Failure
Overview
Elastic analysis:
 Hydrostatic stress
 Ansys example (advanced postprocessing: USER DEFINED RESULT)
Elastic-Plastic analysis:
 Limiting triaxial strain
• Ansys example (advanced postprocessing: USER DEFINED RESULT)

Failure mode # 3: Collapse From Buckling
Overview of buckling analysis methods & formulations
 Dead loads vs. live loads
 Load multipliers & mode shapes
 Design factors (type a, b, c)
 Numerical analysis
• Ansys example

Failure mode # 4: failure from cyclic loading (Fatigue & Ratcheting)
o Overview
o Fatigue or ratcheting? What is the difference?
o Screening criteria for fatigue analysis (cycle counting)
 Method A
 Method B
Fatigue Elastic stress analysis:
 Overview
 Procedure (fatigue curves, alternating stress)
 Weld factor
 Ansys example
Fatigue Elastic-Plastic stress analysis:
 Overview
 Hysteresis loop & twice-yield method
 Weld factor
 Procedure
 Ansys example
o Ratcheting analysis
 Overview (ratcheting & shakedown)
 Introduction to thermal ratcheting


Ratcheting Elastic analysis:
 Simplified elastic-plastic analysis
 Thermal stress ratcheting
 Progressives distortion
 Ansys example
Ratcheting Elastic-Plastic analysis:
 Procedure
 Ansys example


o NOZZLEPRO Finite Element Analysis
o Nozzle design
o Saddle design
o Pipe junction design

o Complementary issues (in the case of extra time)
 Stress classifications in nozzles
 Requirements of bolts (design, stress, fatigue)
 Fatigue of welds
 Perforated plates
 Layered shells
 Fracture mechanics (introduction to API 579, ASME FFS-1)
 Introduction to ASME Sec. VIII, div. iii
 Introduction to ASME Sec. III