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INTERGRAPH CAESAR II is a comprehensive program for pipe stress analysis. It is the program by which all others are measured. Intergraph CAESAR II includes a full range of the latest international piping codes. It provides static and dynamic analysis of pipe and piping systems and evaluates FRP (fiber reinforced plastic); buried piping; wind, wave, and earthquake loading; expansion joints, valves, flanges and vessel nozzles; pipe components; and nozzle flexibilities. The program automatically models structural steel and buried pipe and provides spectrum and time history analysis and automatic spring sizing.. Intergraph CAESAR II includes component databases and an extensive material database with allowable stress data. It also includes a bi-directional link to the Intergraph CADWorx Plant drafting package. Since its introduction in 1984, CAESAR II from Intergraph Corporation has become the world’s most widely used pipe stress analysis software and is considered the industries de facto standard. CAESAR II is a complete pipe stress analysis software program that allows quick and accurate analysis of piping systems subjected to weight, pressure, thermal, seismic and other static and dynamic loads. It can analyze piping systems of any size or complexity.

Duration of Training : 50 hours


To Pipeline Engineering, Plant Design And Analysis.

Job Zones

Caesar can be used to design any type of plant—from petrochemical plants, offshore platforms, chemical and pharmaceutical plants, consumer products (food, beverages,  cosmetics, soap,  paper, and so forth), to power plants, waste water treatment plants, and cogeneration facilities. 


ITI, ITC, VHSS, Graduates, Diploma, Engineering Students.


Production,Mechanical, Chemical


Sketch, 3d Design, Analysis, Isometrics, Analysis,Programming.

Study material

E Books Pdf & References 


Zone 1 

Introduction to Pipe Stress Analysis 

• Need for stress analysis.

• Consequences of overstress.

• Physical Quantities and Units used in pipe stress analysis.

Piping Materials 

• Introduction

• Material Classification Systems and Specifications.

• Common ASTM Piping Materials.

• Material Requirements of Codes.

• Selection Criteria for Materials.

• Piping Specifications (Piping Classes).

• Material Testing and Certificates.

 Codes Governing Piping Design and Stress Analysis

• ASME B31.3, ASME B31.4, and ASME B31.8.

• Other codes including applicable local codes.

• Role and scope of codes.

• Information available from codes.

•Typical organization of code material.

Principal Stresses and Failure Theories

• Longitudinal, Circumferential and Radial Stresses.

• Principal Axes and Principal Stresses.

Failure Theories: 

o Maximum Principal Stress Failure Theory.

o Maximum Shear Stress Failure Theory.

Design Pressure, Design Temperature and Allowable Stress
• Definition of Design Pressure and Design Temperature.

• Basis for Allowable Stress.

• Allowable Stresses at “hot” and “cold” conditions, that is, Sh and Sc.

• Code Tables for Allowable Stresses.

Zone 2

Design of Pipe Wall Thickness for Internal Pressure

•Wall Thickness Design Equations – ASME B31.3, ASME B31.4, and ASME B31.8.

• Calculation of Maximum Allowable Working Pressure (MAWP).

• Pressure – Temperature Class Ratings for Flanges.

• Determining Appropriate Flange Pressure Class.

Loads on Piping Systems

• Primary and Secondary Loads.

• Self – Limiting and Non-Self – Limiting Characteristics of Loads.

• Sustained and Occasional Loads.

• Static and Dynamic Loads.

• Bending Stresses in Pipes.

• Longitudinal Stress and Torsional Stress.

• Code Criteria for Design.

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:

o Stress Intensification Factors (SIFs).

o Allowable Stress Range for Thermal Expansion.

o Calculation of Expansion Stress Range

Pipe Stress Analysis Software

• Introduction to CAESAR II Stress Analysis Software:

o Overview of CAESAR II software.

o Piping Input and Creation of Model.

o Navigation and Toolbars.

o Static Analysis and Output.

o Checking for Code Compliance.

CAESAR II Practical Exercises

• Piping Input – Creating the Model.

• Running the Analysis.

• Output and Interpretation of the Results.

• CAESAR II Practical Exercises I and II.

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