FEA & ASME VIII Div 2 Part 5 for Pressure Vessels | EveryEng

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FEA & ASME VIII Div 2 Part 5 for Pressure Vessels

4(83)

6 enrolled

1463 views

₹ 20000

881 min

Anytime

English

Anindya BhattacharyaAsset Engineer

Oil & Gas Upstream

Energy & Utilities

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Lifetime access
Certificate of completion

Volume pricing for groups of 5+

Why enroll

Engineers enroll in this course to gain a practical understanding of Finite Element Analysis (FEA) and how it is applied to pressure vessel design in compliance with ASME Boiler and Pressure Vessel Code Section VIII Division 2 Part 5. The course helps participants bridge the gap between theoretical mechanics and real-world design by teaching them how to model complex geometries, evaluate stresses, and verify code compliance using FEA tools. It is particularly valuable for engineers seeking to enhance their analysis skills, optimize pressure vessel designs, and confidently apply advanced stress methods in high-integrity and safety-critical equipment.

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 Upstream or Energy & Utilities
You're a Piping & Layout Engineering / Mechanical Engineering professional
You have 3+ years of hands-on experience in this field
You prefer self-paced learning you can revisit

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 course provides a comprehensive introduction to the principles of Finite Element Analysis (FEA) and its application in the design and assessment of pressure vessels in accordance with ASME Boiler and Pressure Vessel Code Section VIII Division 2 Part 5.

Participants will gain a solid understanding of FEA fundamentals, including meshing strategies, boundary conditions, material modeling, stress and strain evaluation, and result interpretation. The program emphasizes the use of FEA as a tool to accurately assess complex geometries, local stress concentrations, and non-standard loading conditions that are not easily addressed by classical analytical methods. In parallel, the course explains the requirements of Part 5 of Section VIII Division 2, which governs the analysis and design of pressure vessels using advanced stress methods.

Through practical examples and case studies, participants will learn how to implement code rules in FEA workflows, verify design compliance, and evaluate stress intensification, fatigue, and plasticity effects. By the end of the course, engineers will be equipped to confidently integrate FEA into pressure vessel design, ensuring optimized, code-compliant, and safe designs while bridging theoretical mechanics with practical engineering applications.

Course suitable for

Key topics covered

What is Finite element analysis? Difference between analytical, finite element , finite difference and boundary element methods.
The two approaches- Galerkin and Principle of minimum potential energy. How governing equations are developed for FEA?
Displacement based approaches and other approaches of finite element analysis for structural mechanics.
Element formulation- linear and higher order displacement functions.
Different element types including their higher order versions- beam elements, triangular, quadrilateral, 3D elements, plate and shell elements,
How to choose elements for an application?
Mesh generation, mesh grading, element distortions, their allowable limits. Their effect on analysis results.
Solutions of FE equations. Integration orders, reduced and full integration. Their effects. Brief overview of shear and membrane locking., rigid body modes, phantom modes, hourglass modes.
Averaging vs non-averaging, convergence check.
Post processing of FE results for piping and pressure vessel analysis.
A brief overview of FE analysis for thermal/heat transfer problems.
A brief overview of design by analysis rule of ASME SEC VIII D2 Part 5.
How FE theory is incorporated in ASME SEC VIII D2 Part 5.
Element of theory of plasticity, its incorporation in ASME SEC VIII D2 Part 5 and its FE implementation. Brief overview of Riks algorithm.
FE analysis of bucking/elastic/elastic-plastic instability problems and its implementation in the framework of ASME SEC VIII D2 Part 5.

So, basically, This course will have

1. In depth ( won't compare it with one or two semester university courses as that cannot be encapsulated in courses like these ) theoretical coverage of the two key approaches to FEM- Galerkin and Principle of minimim potential energy . It will cover basics of element formulations for linear and quadratic elements , in 1D, 2D and 3D spaces.

2. This course will cover different element types, their strengths and weaknesses and areas of application.

3. A high level overview of meshing and mesh grading .

4. Numerical integration like Gauss.

5. Full vs reduced integration.

6. Concepts of convergence, completeness of polynomials, h and p refinement.

7. Application of FEM in piping applications as per B31.3.

8. Application of FEM in pressure vessel code like sec viii d2 part 5.

9. Regarding point 8 I would recommend any interested candidate for this course to kindly review my free course on solid mechanics as I will cover plate n shell theory and non linear mechanics including plasticity in context of Application of sec viii d2. .

10. There will be screenshots from abaqus but no live demonstrations.

11. This course like my other courses will be maths heavy in the theoretical section .

12. This course will not be simple " how to do type" but why to do followed by how to do.

13. This course cannot teach you about operating a specific software. Key points from Abaqus will be there .

14. This course will give you an understanding of the theoretical minimum and to see their application in the space of piping and pressure vessels. Some key learning outcomes will be understanding of background theory to confidently do FEA and critically review and challenge any FEA report.

15. Currently I have not included any thermal analysis in the slides. If potential candidates want I can add the same .

Course content

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

12 lectures14 hr 41 min

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Questions and Answers

Q: You're sanity-checking a consultant model and you google finite element mesh size for nozzle shell junction ASME VIII-2 Part 5. A horizontal separator is SA-516 Gr 70, shell t = 22 mm, NPS 20 nozzle with a 12 mm reinforcement pad. For an elastic–plastic Part 5 strain check at the nozzle corner, what characteristic solid element size gives a defensible order-of-magnitude capture of peak equivalent plastic strain without mesh bias?

A: The correct choice achieves strain convergence in a high-gradient plastic zone without artificial stiffening. Option B under-resolves the curvature and weld toe so peak strain collapses numerically. Option C imports a shell-model mindset and misses through-thickness gradients that drive local ligament failure. Option D pushes cost and solver noise without improving Part 5 acceptance once material hardening is defined correctly.

Q: During a turnaround MOC review you search ASME VIII-2 Part 5 strain limits weld HAZ acceptance. A senior engineer wants to sign off a hydrotest using von Mises stress < Sm because that's how Div 1 was checked 20 years ago. Under Part 5, what acceptance logic actually prevents non-conservative approval at local welds?

Q: You're building a material card and search convert engineering stress strain to true stress strain ASME II-D. SA-516 Gr 70 coupon shows engineering yield at 260 MPa with 0.2% offset and engineering strain of 0.02 at 360 MPa. What true stress corresponds to that 360 MPa engineering point?

Q: Post-restart, a vertical drum shows growing ovalisation at the skirt toe and rising plastic strain per cycle in the FE history; you google skirt support ratcheting ASME VIII-2 Part 5. Pressure cycles are modest, but daily temperature swings are 120 °C. What failure mechanism actually explains the observation set?