Recent articles

Paper04 - Modelling the cyclic ratcheting of sands through memory-enhanced bounding surface plasticity.

Paper04 - Modelling the cyclic ratcheting of sands through memory-enhanced bounding surface plasticity.

Tue, 30 Jun 2020 by jaabell / Publications

This is the first paper fruit of the on-going collaboration with Federico Pisanò at TU Delft. Here we tackle the problem of formulating a constitutive model, derived from the SAniSand framework by Yannis Dafalias, which can replicate the ratcheting phenomenon on sands.

What is ratcheting?

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Large earthquake in Mexico triggers tsunami warnings

Tue, 23 Jun 2020 by jaabell / Earthquakes

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#EngineeringWizardry | 00 | new series

Fri, 12 Jun 2020 by jaabell / EngineeringWizardry

Stuck teaching during COVID-19 lockdowns in Chile has reminded me one crucial thing about statics (the class I'm teaching this first semester in the southern hemisphere): it can be very frustrating for students. This frustriation comes from unmet expectations. They're just finishing their early maths and physics formation (Calculus, Linear Algebra, Differential Equations, physics etc. ), an ideal world where problems have nice answers such as \(\sqrt{2} \pi\) or no answer at all. Then, along comes statics, and the world seems upside down.

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Using my gmshtranslator python tool to interface gmsh with opensees.

Using my gmshtranslator python tool to interface gmsh with opensees.

Mon, 26 Feb 2018 by jaabell / Tutorials

I wrote the gmshtranslator tool a while back during my …

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