Name: Understand Material, Geometric and Contact non-linearities for Piping Design & Analysis
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Understand Material, Geometric and Contact non-linearities for Piping Design & Analysis

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10 hrs

English

2803 views

Anindya BhattacharyaAsset Engineer

Oil & Gas Upstream

Pharmaceutical & Healthcare

7-day money-back guarantee
Session recordings included
Certificate of completion

Why enroll

1. How elementary and advanced topics of Solid mechanics are applied in development of Piping and Pressure vessel codes and standards.

2. Theoretical background behind design code requirements which helps an engineer understand the strengths, weaknesses and applicability of the code requirements.

3. An insight into the newly introduced codes.

4. Bridging the gap between theoretical knowledge and code requirements.

5. University students who want to take up career in piping engineering or static equipment engineering and wants to learn about the most widely used Industrial standard.

6. Experienced engineers who want to understand the background of code rules and requirements

Your instructor

Anindya Bhattacharya

Asset Engineer

26+ yrs experience·United Kingdom

Is this course for you?

You should take this if

You work in Oil & Gas Upstream or Pharmaceutical & Healthcare
You're a Piping & Layout Engineering / Mechanical Engineering professional
You have 3+ years of hands-on experience in this field
You prefer live, instructor-led training with Q&A

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 fully self-paced, on-demand content

Course details

This course provides engineers with a detailed understanding of non-linear behavior in piping systems, focusing on material, geometric, and contact non-linearities that significantly influence stress and displacement outcomes in piping design and analysis. Participants will learn how material non-linearities, such as plasticity and temperature-dependent behavior, affect pipe performance under operating loads.

Geometric non-linearities, including large deflections and buckling effects, are explored to understand their impact on system stability and safety. Contact non-linearities, such as gaps, snubbers, and support interactions, are also examined to highlight their role in real-world piping systems.

Through practical examples, case studies, and application in pipe stress analysis software, engineers will develop the skills to accurately model complex piping behavior, interpret results, and ensure compliance with codes like ASME B31.3 Process Piping Code and ASME B31J Standard.

Course suitable for

Key topics covered

1. A discussion of the term non-linearity with respect to Stress Analysis- Some real life examples.

2. What is geometric non-linearity? -Real life examples.

3. Application of geometric non-linearity in stress analysis- Some real life examples and how results are affected.

4. What is material non-linearity? Types of material models and their limitations- Elastic-Perfectly plastic, Hardening models like Isotropic Hardening, Kinematic Hardening, Mixed Hardening, Models for Ratchetting like Armstrong- Fredrick and Chaboche Models.

5. What is contact and Friction non-linearity? Theoretical background and real life examples.

6. Mathematical models for contact and friction non-linearity- Elementary discussions.

Opportunities that await you!

Career opportunities

Training details

This is a live course that has a scheduled start date.

✎ 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.

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Questions and Answers

Q: You're checking a stress analysis for a high-temperature carbon steel line with large sustained loads, and the analyst flags plastic hinge formation at a shoe support. The long-tail phrase you're searching is "material nonlinearity plastic hinge piping stress analysis ASME B31". Given COMAH scrutiny and a prior QA miss by this subcontractor, which modelling choice best aligns with code intent rather than academic conservatism?

A: At Sy you cross from elastic code checks into strain-controlled behaviour. B31 sustained checks still sit on elastic stress limits, but capturing hinge rotation without artificial load shedding needs a bilinear curve tied to actual yield and post-yield stiffness; the other paths either hide the nonlinearity or invalidate the boundary conditions.

Q: During a hot restart, pipe rack movements are larger than predicted and several expansion loops are close to instability. You're googling "geometric nonlinearity large displacement piping analysis when to include". One variable changed: operating temperature ramped 30°C faster than design. What response avoids masking the real risk?

A: Beyond about 1–2% strain or when displacements rival member depth, second-order effects dominate. Faster thermal ramps don't change material properties but they do push geometry into a non-linear regime; ignoring that gives tidy numbers that miss buckling or snap-through.

Q: You're reviewing a GA and support detail where the datasheet says PTFE slide, μ = 0.10, but site measurements during commissioning suggest higher resistance. The search phrase is "piping support friction coefficient datasheet vs site measurement". What inconsistency matters most for a contact non-linear model?

A: The zero-to-contact transition is the hard boundary. Once uplift occurs, friction drops out entirely, so a slotted detail alters load paths far more than small μ shifts or clerical mismatches.

Q: A buried condensate line sees cyclic thermal expansion and soil restraint. You're searching "contact nonlinearity soil pipe interaction piping stress analysis". Under audit conditions, which approach best reflects real restraint without overstating forces?

A: Once soil yields, stiffness drops sharply. Compression-only contact with nonlinear p–y behaviour captures the threshold where restraint mobilises and then softens, matching observed field response rather than theoretical maxima.

Understand Material, Geometric and Contact non-linearities for Piping Design & Analysis

Understand Material, Geometric and Contact non-linearities for Piping Design & Analysis

Why enroll