Master Dynamic Analysis Theory and Applications using Caesar II | EveryEng

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Self-paced Advanced

Master Dynamic Analysis Theory and Applications using Caesar II

4(87)

24 enrolled

4220 views

$ 200

513 min

Anytime

English

4220 views

Anindya BhattacharyaAsset Engineer

Oil & Gas Downstream

Energy & Utilities

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Why enroll

To develop a robust understanding of background theory to perform dynamic analysis of piping and pressure vessel systems, resolving field vibration problems including vibrations related to centrifugal and reciprocating pumps and compressors and their connected piping systems.
This course will cover basic and advanced topics from Structural Dynamics required to provide a robust understanding of the background theory and their applications in piping, pressure vessels, and rotating equipments.

Your instructor

Anindya Bhattacharya

Asset Engineer

Asset Engineer

26+ yrs experience·United Kingdom

Is this course for you?

You should take this if

You work in Oil & Gas Downstream or Energy & Utilities
You're a Piping & Layout Engineering / Mechanical Engineering professional
You have 3+ years of hands-on experience in this field
You want to build skills in Technical documentation

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Piping & Layout Engineering
You need live interaction with an instructor

Course details

This comprehensive course is designed to provide engineers with a deep understanding of the theory and practical application of dynamic analysis in piping systems using CAESAR II piping stress analysis software. Dynamic loads such as earthquakes, fluid hammer, relief valve discharge, slug flow, machinery vibration, and sudden load changes can significantly affect the integrity and reliability of piping systems. Through this course, participants will develop a strong foundation in the theoretical principles behind dynamic behavior of piping, including vibration fundamentals, natural frequency, damping, modal analysis, and transient response. The course then bridges theory with practical implementation by demonstrating how these concepts are applied within CAESAR II to model and analyze real piping systems subjected to dynamic events.

Participants will learn how to perform various types of dynamic analyses such as time history analysis, response spectrum analysis, harmonic analysis, and modal analysis, while also understanding the assumptions, limitations, and appropriate application of each method. Practical examples and case studies will illustrate how to define dynamic loads, interpret analysis results, evaluate stresses and displacements, and implement effective design modifications to ensure system safety and code compliance.

By the end of the course, attendees will gain the skills and confidence required to perform advanced dynamic analysis, troubleshoot vibration-related issues, and apply sound engineering judgment when designing piping systems subjected to complex dynamic loading conditions. This course is particularly valuable for piping stress engineers, mechanical engineers, and design professionals involved in advanced piping analysis, plant safety, and high-reliability piping system design.

Course suitable for

Key topics covered

The course will broadly cover

Background theory of dynamic analysis

Difference between static and dynamic analysis

Governing equations

Concepts of mass matrix, stiffness matrix, damping matrix,

Mode participation factor, modal mass, missing mass, missing force,

Dynamic amplification factor spectrum, seismic response spectrum,

Modal and spatial combination methods etc..

Although these topics will be presented in a general way but their applications to CAESAR II modal, harmonic, force spectrum, seismic response spectrum and time history analysis methods will also be demonstrated. The course will also cover some aspects of control parameters for dynamic analysis in CAESAR II and their significance like

decomposition singularity tolerance, Sturm sequence check,

subspace size, force orthogonalizations after convergence etc.

The concept of seismic anchor movement will also be included. The course will also cover some advanced topics like frequency domain analysis (explaining the difference between time and frequency domain analyses) aka random vibration analysis.

This will include concepts like Fast Fourier transform (FFT), RMS presentation, velocity, displacement and acceleration frequency plots and their relative strengths and weaknesses. Some aspects of digital signal processing like windowing , frequency resolution, sampling rate, aliasing etc. will also be covered. Different representations of vibration data like Bode diagram, orbit plot, polar plot, waterfall spectrum will also be covered.

Some key aspects of probabilistic analysis concepts like probability based fatigue analysis for high frequency vibration etc. will also be covered.

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

4 modules13 lectures8 hr 33 min

Introduction
5 min
Brushing the Basics
58 min
Harmonic Analysis Guidelines using Caesar II
45 min
Response Spectrum & Time History Method (Seismic Analysis) Guidelines
88 min
Force Spectrum & Fluid Hammer Analysis Guidelines (Caesar II)
50 min

Short Summarization of Chapter-1
16 min
Fourier Transformation
34 min

Random vibrations - frequency domain and time domain
34 min

Opportunities that await you!

Skills & tools you'll gain

Technical documentation

Career opportunities

✎ Where this fits — what comes before, what comes next

Why people choose EveryEng

Industry-aligned courses, expert training, hands-on learning, recognized certifications, and job opportunities-all in a flexible and supportive environment.

$200

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Questions and Answers

Q: You're checking a Caesar II model after a night-shift alarm and searching "Caesar II dynamic analysis pipe support corrosion allowance offshore". The as-built shows carbon steel line supports in a splash-zone service with wave-induced vibration included in the modal case. What degradation mechanism actually governs stiffness loss over time and should be reflected in the material assumptions?

A: Uniform CO2 corrosion feels right because it's the default degradation model people carry from internal corrosion studies, but splash-zone damage doesn't progress evenly and Caesar II stiffness is sensitive to local section loss at restraints. Fatigue cracking is real in wave-driven lines, yet it’s a consequence of stiffness loss, not the driver of it in the early years. Galvanic attack sounds convincing if you’ve seen mixed metallurgy failures, but the rate and pattern don’t match the rapid lateral flexibility increase that triggers dynamic amplification at supports.

Q: The DCS alarm coincides with a model rerun and you Google "Caesar II slug flow dynamic response downstream separator". Liquid holdup in an upstream pipeline increases suddenly. What happens to the predicted dynamic load at the first elbow downstream, and what’s the right engineering response?

A: Added mass damping is a tempting shortcut, but slug flow raises momentum flux and impact forces at direction changes. Treating it as static weight misses the transient component entirely, a mistake that hides peak stresses. Locking the system down with an anchor often worsens the response by pushing natural frequencies closer to excitation; that lesson usually comes from a cracked elbow in the field.

Q: During pre-commissioning you search "Caesar II modal analysis field verification support gaps". The model assumes a 3 mm gap at a vertical support. What should you physically verify first on site before accepting the dynamic results?

A: Measuring a cold gap feels concrete, but it ignores whether the support can even respond as modeled. Inferring hot gaps from drawings skips real-world friction and binding, a classic source of surprise restraint. Code allowables don’t validate the boundary conditions; they just mask a bad assumption with acceptable numbers.

Q: You're stuck on a calc and type "calculate natural frequency straight pipe Caesar II hand check". A 12 m simply supported carbon steel pipe, 8-inch NPS, Sch 40, is empty. What’s the approximate first natural frequency you should expect to sanity-check the software?

A: Five hertz shows up if you quietly shorten the span or mix boundary conditions. Acoustic speed has nothing to do with structural bending modes, but people jump there under time pressure. Extremely low frequencies feel conservative, yet they’d imply a flexibility that doesn’t exist in an 8-inch steel span of that length.