LUSAS

Course Summary

Featuring four live online sessions, this course is for engineers with a good understanding of linear analysis but who need to progress to nonlinear analysis for design and assessment. Many problems facing designers and engineers are nonlinear in nature, whether it be masonry arch cracking, buckling of a plate girder system or soil-structure interaction. While the assumption of linearity is routinely used for many designs, sometimes a more refined – nonlinear – approach is justified.

With LUSAS you can straightforwardly model the various forms of nonlinear behaviour that can be encountered, and become proficient in using tools and facilities that are often seen to be the preserve of the experts.

Obtain answers and practical engineering guidance to the following:

• Obtain answers and practical engineering guidance to the following:
• Understand why you need to move from linear to nonlinear analysis
• Appreciate the fundamentals of nonlinear control and how to obtain a converged solution
• Get an overview of the major sources of nonlinearity and how to set them up in LUSAS
• Model a staged construction process that allows the structure to be built and locks in the stresses from each stage automatically – because most structures are not “wished in place”.
• Learn from practical nonlinear examples including buckling of a braced pair of plate girders as a result of a concrete pour, and the assessment of a masonry arch with cracking.

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