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An Introduction to Non-Linear Finite Element Analysis

January 27, 2022 | 10:00 - 11:00 am CST

Introduction to Non-Linear Finite Element Analysis

As the complexity of new and innovative structures is imagined, the need for more advanced simulation tools is rising. Advanced Finite Element (FE) Modeling has become a prevalent tool in both the design and assessment of new products and structures. Linear analysis is now the norm with design structure calculated and assessed against the elastic limiting feature. However, a new normal is now emerging for onshore and offshore structures: Non-linear FE assessments.

In some cases, particularly with existing items of plant and equipment or structures, the elastic limiting feature cannot be readily changed or retrofitted without significant cost. Therefore, non-linear FE assessment is required to better understand and demonstrate that some plastic behavior (slip, separation or deformation) is acceptable.

What We Cover:

  • Linear vs. Non-Linear Analysis
  • Non-linearities: What they are and when it is appropriate to use them
  • Simple, real-world applications

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Andrew Buckley, Principal Engineer, ABS Group

With over 20 years of experience working for engineering consultancies, Andrew specializes in Finite Element Analysis (FEA) and simulation for a variety of clients across the country. His project experience includes analyzing several non-linear problems and projects under various loading conditions. This expertise has made him a highly sought-after specialist when considering dynamic loadings such as seismic and blast for structures and buildings, as well as small, detailed seals and fixings. While Andrew primarily uses ABAQUS for his analysis, he also has experience with ANSYS, LS-DYNA and other packages.


About ABS Group

ABS Group of Companies, Inc. (ABS Group) and its operating subsidiaries provide risk management solutions and certification services worldwide that help clients address the safety, integrity, quality and environmental efficiency of critical assets and operations. Headquartered in Spring, Texas, ABS Group operates with more than 1200 professionals across the globe, serving the marine and offshore, oil, gas and chemical, government, power and energy and industrial sectors. ABS Group is a subsidiary of ABS (, a leading marine and offshore classification society.

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