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pyopt_driver's Introduction

OpenMDAO wrapper for pyOpt, an open-source optimization package that provides a Python
interface for ~18 Optimizers, half of which are also open_source and included in
pyOpt. Note, pyOpt must be downloaded and installed separately. The pyOpt project is
actively maintained by its author Dr. Ruben Perez at:

http://www.pyopt.org

This wrapper was tested against pyOpt 1.1, but should also work for earlier versions.

Also, note that some of the optimizers in pyOpt must also be obtained separately. Those
optimizers that are not commercial, which is roughly half of them, are included in
the pyOpt package.

To view the Sphinx documentation for this distribution, type:

openmdao docs pyopt_driver

pyopt_driver's People

Contributors

kenneth-t-moore avatar setowns1 avatar hschilling avatar fzahle avatar kmarsteller avatar

Stargazers

leal26 avatar avatar Rey F. Diaz avatar Eugene avatar avatar avatar avatar avatar Justin Gray avatar

Watchers

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Forkers

justinsgray kilroy294 pziegfeld hschilling fzahle hillelweintraub zjvskobe afcarl lijundec xushengli

pyopt_driver's Issues

pyopt_driver's snopt is not working.

Hello
My name is Dae Young Lee and Ph.D student of University of Michigan.
I am trying to add new discipline in CADRE mdo.

Currently, John Hwang's CADRE code is working with pyopt and snopt environment.
I have installed OpenMDAO, pyopt_driver and CADRE plug in.

However, following error happens.

(openmdao-0.9.7)daylee@ubuntu:~/openmdao-0.9.7/CADRE$ python example.py
setting up
Traceback (most recent call last):
File "example.py", line 5, in
top = CADRE_Optimization(n=1500, m=300)
File "/home/daylee/openmdao-0.9.7/local/lib/python2.7/site-packages/CADRE-0.5-py2.7.egg/CADRE/CADRE_mdp.py", line 24, in init
self.driver.optimizer = "SNOPT"
File "/home/daylee/openmdao-0.9.7/local/lib/python2.7/site-packages/openmdao.main-0.9.7-py2.7.egg/openmdao/main/datatypes/enum.py", line 118, in validate
self.error(obj, name, value)
File "/home/daylee/openmdao-0.9.7/local/lib/python2.7/site-packages/openmdao.main-0.9.7-py2.7.egg/openmdao/main/datatypes/enum.py", line 138, in error
obj.raise_exception(msg, ValueError)
File "/home/daylee/openmdao-0.9.7/local/lib/python2.7/site-packages/openmdao.main-0.9.7-py2.7.egg/openmdao/main/container.py", line 1644, in raise_exception
raise exception_class(full_msg)
ValueError: driver: Variable 'optimizer' must be in ['ALHSO', 'ALPSO', 'COBYLA', 'CONMIN', 'GCMMA', 'KSOPT', 'MIDACO', 'MMFD', 'NSGA2', 'PSQP', 'SLSQP', 'SOLVOPT'], but a value of SNOPT <type 'str'> was specified.

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