Category Archives: News

OpenMDAO 2.7.0 has been released. Here are the release notes listing the new features, bug fixes and a couple of backwards-incompatible changes: New Features: You can now define guess_nonlinear method at the group level New documentation added about the N2 … Continue reading →

OpenMDAO 2.6.0 is out! Here are the release notes listing the new features, bug fixes and a couple of backwards-incompatible changes: New Features: ————- MetaModelStructured will detect NaN in requested sample and print a readable message. ScipyOptimizeDriver now supports Hessian calculation … Continue reading →

Many users of the OpenMDAO framework have interacted with Keith Marsteller in one way or another over the last 11 years. Keith has decided to move on to other projects and interests and, though the development team is sad to … Continue reading →

There are several new papers, published for Scitech 2019, that used OpenMDAO as a tool to reach their conclusions, that we wanted to share.  Here are seven OpenMDAO-related works that you may find interesting: “Battery performance modeling on sceptor x-57 … Continue reading →

A lot of blood, sweat, and tears has gone into OpenMDAO over the years. The project planning started in 2007, coding started in 2008, and our first release came in 2010. We’ve been through three major versions of the code: … Continue reading →

There is a new online journal called distill.pub that has an interesting new format. It places a particular emphasis on clear explanations of concepts and high-quality infographics that help to further understanding. This is so obviously a good idea, that … Continue reading →

OpenMDAO 2.5.0 is out, containing lots of new features, including some backwards-incompatible changes.  Here are the release notes: Release Notes for OpenMDAO 2.5.0 October 31, 2018 New Features: ————– – list_outputs() method now includes a `prom_name` argument to include the … Continue reading →

Release Notes for OpenMDAO 2.4.0 August 1, 2018 New Features: ————– – Better error message when upper and lower have the wrong shape for add_design_var and add_constraint methods. – pyOptSparseDriver now runs the initial condition for ALPSO and NSGA-II optimizers. … Continue reading →

We’re proud to announce the release of OpenMDAO 2.3.0. This is a substantial release that comes with many new features. Some of the new features are small, but there are are few major ones. You can read all the details … Continue reading →

OpenMDAO 2.2.1 came out today. Here are the release notes: Release Notes for OpenMDAO 2.2.1 April 2, 2018 New Features: ————– – check_partials() improvements to formatting and clarity. Report of potentially-bad derivatives summarized at bottom of output. – check_partials() only … Continue reading →