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Create Boltzmann velocity distributions from Simulations directly #332

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@Alexsp32 Alexsp32 commented Feb 7, 2024

Fixes NQCD/NQCDistributions.jl#9 and requires NQCD/NQCDistributions.jl#12 and NQCD/NQCModels.jl#35 to be merged prior.

Since the VelocityBoltzmann is dependent on the atomic masses, it makes sense to be able to pull both these and the overall dimensions from an existing Simulation. For consistency, a temperature must still be provided separately, but this is quick to do with Simulation.temperature(0).

Also, initialising VelocityBoltzmann from a simulation should check for any atoms not included in mobileatoms, as these should be initialised with zero velocity.

Alexsp32 and others added 5 commits April 14, 2024 10:40
* Add OutputInitial DynamicsOutput
* Stopgap fix for failing unit tests based on memory allocation

* Add allocation test debug messages

* Fixed version logic to be defined for all Julia versions
- Added new DynamicsOutput: OutputDesorptionTrajectory #317
- Added new DynamicsOutput: OutputDesorptionAngle #317
- Created an `Analysis` submodule for common analysis functions

-  Add `Structure` submodule for common utility functions for atomic structure. 

* Add rudimentary tests for NQCDynamics.Structure

* Improved method definitions, possible efficiency gain by using views

* Add unit tests for diatomic analysis functions for desorption

* Add "Analysis" group to unit testing

* Added explanation for Structure module scope
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Don't merge until dependent PRs are merged.
Unit tests checked working on my laptop since CI pulls versions without required functionality.

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@reinimaurer1 reinimaurer1 left a comment

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this looks good. I will approve, but can you check that it also works in principle for RingPolymerSimulation objects.

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Read parameters for VelocityBoltzmann from NQCDynamics.jl simulation.
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