Wind in Warped Sails

The Island of Unfinished OpenSees Business grows every year. I own a few acres on that island and I'm sure you do too. Occasionally, items make their way off the island and get shipped to the mainland, i.e., the OpenSees GitHub repository. Take, for example, the warping frame elements developed at the University of Sydney … Continue reading Wind in Warped Sails →

Torsion with Fiber Sections

I won't blog about every pull request to OpenSees on GitHub, but I will blog about pull requests that could affect backward compatibility of user scripts. Pull request #142 is one such case. It affects how torsion is added to fiber sections in three-dimensional models. The frame elements require torsional stiffness in order to prevent … Continue reading Torsion with Fiber Sections →