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An open-source MDAO framework written in Python.

October 20, 2017
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OpenMDAO 2.0.x

We here at OpenMDAO have been hard at work writing a completely new version of OpenMDAO. After 1.7.3, we started from a clean slate, and OpenMDAO 2.0.0 is now an all new alpha. The OpenMDAO 1.7.3 codebase repo has been … Continue reading

July 18, 2016
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OpenMDAO 1.7.1

OpenMDAO v1.7.1 is now available! Feel free to ask questions on our Stack Overflow tag if you experience any difficulties. Here are the release notes for 1.7.1: ________________________________________________________ OpenMDAO Version 1.7.1 Alpha Release Notes July 18, 2016 Features: * Newton … Continue reading

June 30, 2016
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OpenMDAO v1.7.0

OpenMDAO v1.7.0 is now available! Feel free to ask questions on our Stack Overflow tag if you experience any difficulties. Here are the release notes for 1.7.0: OpenMDAO Version 1.7.0 Alpha Release Notes June 30, 2016 Backwards-Incompatible Change: 1. ‘fd_options’ … Continue reading

May 10, 2016
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OpenMDAO v1.6.4

OpenMDAO v1.6.4 is now available! Feel free to ask questions on our Stack Overflow tag if you experience any difficulties. Here are the release notes for 1.6.4: OpenMDAO Version 1.6.4 Alpha Release Notes May 10, 2016 Features: * User can … Continue reading

March 1, 2016
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OpenMDAO 1.6.0 Released

OpenMDAO v1.6.0 is now available! And remember, we are now pip-installable, as we are now indexed on pypi: https://pypi.python.org/pypi/openmdao/1.6.0 Feel free to ask questions on our Stack Overflow tag if you experience any difficulties. Here are the release notes for … Continue reading

January 19, 2016
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OpenMDAO 1.5.0 Released!

OpenMDAO v1.5.0 is now available! And remember, we are now pip-installable, as we are now indexed on pypi: https://pypi.python.org/pypi/openmdao/1.5.0 Feel free to ask questions on our Stack Overflow tag if you experience any difficulties. Here are the release notes for … Continue reading

December 16, 2015
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OpenMDAO.org Server Migration Will Cause (Hopefully) Brief Website Outage

UPDATE: The migration went pretty well, and openmdao.org should be back at full strength. Please report any problems to our support email. OpenMDAO.org is being migrated to newer, faster servers on Thursday evening – Friday morning, December 17-18, 2015. We … Continue reading

November 18, 2015
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OpenMDAO v 1.4.0 Released!

OpenMDAO v 1.4.0 is now available. API Change * When using ‘add_desvar’ and ‘add_constraint’, there were inconsistent names for setting bounds. (low, high vs. lower, upper), which was becoming confusing to users. The new standard is that all are consistently … Continue reading

November 4, 2015
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OpenMDAO v 1.3.0 is Released!

OpenMDAO v 1.3.0 is now available. API Change: We changed our minor version to 1.3.0 due to a minor API change. The function named `jacobian` has been changed everywhere to the clearer, more descriptive, more correct `linearize`. Use of `jacobian` … Continue reading

October 15, 2015
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OpenMDAO v1.2.0

Today marks the release of OpenMDAO 1.2.0, which contains several features and bugfixes, but which is highlighted by an API change: API Change The way imports work in OpenMDAO has changed. Importing things from their parent module no longer works. … Continue reading

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