A Python package for path sampling simulations.

Joined July 2017
2 Photos and videos
Oh, hi there! I guess we forgot Twitter/X existed. Folks might be interested to know about the OPS 1.6.1 release, fixing issues for Py 3.12. Also, don't miss the huge changelog of OPS 1.6.0. All available via pip or conda-forge! github.com/openpathsampling/…
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At #ACSChicago? Check out @davidswenson talking about the latest on OPS in S404a at 4:40pm today! #ACSFall2022
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In part 2 of our 3-part tutorial about our new storage system and our CLI, @davidswenson shows you how to use the OPS command line interface to get from a single snapshot to running RETIS simulations. Check it out! youtube.com/watch?v=VGN-NfuZ…
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Check out part 1 of a 3-part tutorial about our new storage (SimStore) and our CLI. In this one, @davidswenson tells you how to set up a simulation that uses SimStore. Parts 2 and 3 coming soon! youtube.com/watch?v=IAipZfZp…
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OPS 1.5 has been released! This is a significant release with lots of improvements. Highlights are (1) "Spring shooting" algorithm; (2) "Hooks" to customize the simulation process, providing great flexibility. github.com/openpathsampling/…
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OpenPathSampling retweeted
17 Jun 2021
With the MolSSI School on Open Source Software in Rare-Event Path Sampling Strategies now concluded, the organizers @ltchong and @DMZuckermanLab have created a wiki page with links to the recorded lectures and other materials. Enjoy! github.com/westpa/westpa/wik…
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As a follow-up to this month's @MolSSI_NSF school on rare event methods & software, there will be an OPS tutorial session led by @jocelyne_vreede, @davidswenson, and PG Bolhuis on 22 June at 15:00 GMT (11am EDT, 5pm CEST). Sign up by Sun 20 June to join! forms.gle/HCMAXk46NX31UqXS9
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Announcing an experimental support channel for OPS: Zoom Office Hours. Preliminary schedule: 2nd and 4th Thursday of each month. 15:00 GMT (11:00 EDT, 17:00 CEST). Join us on June 10! zoom.us/j/99132060031?pwd=bm…

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We expect to provide this at least through August. Frequency may be increased to weekly if there's sufficient demand. Zoom details: Meeting ID 991 3206 0031; passcode MhT00j.
Sign up to learn about OPS and other software for rare events! There will also be an OPS tutorial on June 22; details in the MolSSI link.
27 Apr 2021
Profs. L. Chong & D. Zuckerman have organized a FREE 2-day (June 8/15) “Virtual School on Open-Source Software for Rare-Event Sampling Strategies,” sponsored by the MolSSI. Applications deadline: May 15. Visit our website for more information and to apply! molssi.org/event/molssi-scho…
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OpenPathSampling retweeted
4th first authored research article from my PhD work just got published in JCP (@AIP_Publishing) where we estimated the nucleation rate for CO2 hydrate formation using path sampling. aip.scitation.org/doi/pdf/10… #PhD #Science #Simulation #MD @pathsampling @UvA_Amsterdam @HimsUva
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OpenPathSampling retweeted
21 Jan 2021
Didn’t have the chance to register to our seminar TODAY on High Throughput Computing with #Dask? Watch it live on YouTube from 15:00 CET at youtu.be/Tl8rO-baKuY More info at cecam.org/workshop-details/1… @dask_dev @cecamEvents @davidswenson

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OpenPathSampling retweeted
12 Jan 2021
Don't miss the first installment of our #MixedGen series to promote early researchers' interactions on Jan 28th, from 15:00 to 19:00 CET! Register and discover the full program, with an opening talk by @ChDellago, on: cecam.org/mixedgen
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OpenPathSampling retweeted
15 Jan 2021
High-throughput computing is a flexible approach to parallelisation. Our workshop "High Throughput Computing with Dask" will happen as a series of online tutorials which will help you use task-based computing with @Dask. 1st event happens on the 21st Jan 👉cecam.org/workshop-details/1…
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Happy New Year! Start it off with the new release (v0.2) of the OPS command line interface. The new command `md` runs until a trajectory matches the given ensemble; great for setting up sims. Also new: support for SimStore files. github.com/openpathsampling/…
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OpenPathSampling retweeted
23 Dec 2020
#PLUMED 2.7.0 has been just released! This is a brand new release with many improvements
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OpenPathSampling retweeted
OpenMM is coming to @condaforge at long last, complete with automatic CUDA support if you have an @nvidia GPU! Check out the OpenMM 7.5 release candidate and instructions on how to get it from the conda-forge channel: simtk.org/plugins/phpBB/view…
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