Certificate Course in Piping Stress Analysis

COURSE OBJECTIVES:

Pipe Stress Analysis plays a vital role in deciding safety of Piping, Piping components, Equipments & supporting structure, by addressing the Static and dynamic loading results from the effects of gravity, temperature charges, internal & external pressures, changes in fluid flow rate and seismic activity.

In order to properly design a piping system, the engineer must understand both a system’s behavior under potential loading, as well as regulatory requirements imposed upon it by governing codes.

The responsibility of the Piping Engineer includes ensuring the Structural integrity of the pipe, which should serve the estimated life time without a flaw. Piping system should have the flexibility to limit the stresses generated in it due to the weight, pressure, temperature, external loadings etc., within the allowable stress value for the material, based on the governing codes.

The intention of this course is to provide the appropriate background for engineers entering into the world of pipe stress analysis.

This is a comprehensive program developed to give complete exposure to all the aspect of Pipe Stress Analysis including CAESAR – II software

WHO SHOULD ATTEND:

  • Practicing Piping Design/layout Engineers.
  • Piping 3D CAD Engineers.
  • Piping Draftsmen.
  • Piping Stress Engineers.

WHAT YOU WILL LEARN:

  • A general overview of Pipe Stress Analysis.
  • Understanding the engineering principles in a pipe stress analysis.
  • Design requirements of the codes.
  • Principal stresses and failure theories.
  • Design pressure, design temperature and allowable stress.
  • Loads on piping systems.
  • Thermal stresses in piping systems.
  • Piping Stress Analysis software – CAESAR II.

MAJOR TRAINING MODULES

Module A : Introduction to Pipe Stress Analysis

  • Objectives & Definition of Stress Analysis
  • Need for stress analysis in piping systems
  • Consequences of over stressing in piping systems
  • Principal stresses and failure theories.
  • Fundamental physical parameters used in stress analysis
  • Physical quantities and units used in pipe stress analysis

 Module B: Codes Governing Piping Design and Pipe Stress Analysis

  • Role and scope of piping codes
  • Information available from piping codes
  • ASME B31.3 Process Piping
  • ASME B31.4 Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids
  • ASME B31.8 Gas Transmission and Distribution Piping Systems
  • Other ASME B31 Codes

Module C : Stresses and Failure Modes in Piping System:

  • Longitudinal, Circumferential and Radial stresses
  • Principal axes and Principal stresses
  • Failure theories
  • Maximum Principal Stress failure theory
  • Maximum Shear stress failure theory
  • Shear strain energy theory
  • Maximum strain energy theory

Module D : Loads on Piping Systems and Code Criteria for Design:

  • Primary and secondary loads
  • Self-limiting and non self-limiting characteristics of loads
  • Sustained and Occasional loads
  • Static and dynamic loads
  • Load cases used in stress analysis calculations
  • Bending stresses in pipes
  • Total longitudinal stress in pipes
  • Torsional stress in pipes
  • Code criteria for design

Module E : Design Conditions and Allowable Stresses

  • Design pressure and design temperature
  • Basis for code allowable stresses
  • Allowable stress data
  • Primary and secondary stresses

Module F :Thermal Stresses in Piping Systems

  • Thermal expansion/contraction of materials
  • Stresses due to thermal expansion/contraction
  • Thermal fatigue and cyclic stress reduction factor
  • Design criteria for thermal stresses
  • Stress Intensification Factors (SIFs)
  • Allowable stress range for thermal expansion
  • Calculation of expansion stress range

Module G: Pipe Stress Analysis Software – CAESAR – II

  • Introduction to CAESAR – II software
  • Modelling in CAESAR
  • Building of Input model in CAESAR-II from isometric
  • Cases in CAESAR
Creation of different Load cases and their analysis which includes:

  • Analysis of pump suction & discharge line
  • Analysis of compressor suction & discharge line
  • Analysis of heat exchanger piping
  • Analysis of columns & Reboiler piping
  • Checking for code compliance
  • Output and interpretation of the results
  • Practical Examples – Input, Analysis & Redesign

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