A colleague in Eastchester tweeted this graphic, created by Stephen Ressler. It's a fun interpretation of social distancing, but a little abstract compared to other, more concrete, guidelines going around. For example, in Florida, the rule of thumb is to maintain a distance equal to an adult alligator length. You can visualize an alligator, but … Continue reading Close to the Edge
Thanks to my involvement with OpenSees, I have been asked to review several manuscripts on nonlinear dynamic structural analysis. It's always wonderful to see what other researchers are up to and how they use OpenSees or other software to achieve their research objectives. A brief overview of the governing dynamic equilibrium equation, i.e., the equation … Continue reading Start with the Correct Static Resisting Force
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