Special ======= None ---- The None integrator is a special integrator that does not perform any integration steps. It can be used for testing or in situations where you want to manually control the simulation progression. ---- * **type**: ``Special``, ``None`` * **parameters**: * ``timeStep``: ``real``: Time step :math:`[time]` (used only for updating the simulation time) Example: .. code-block:: "noneIntegrator":{ "type":["Special","None"], "parameters":{ "timeStep": 0.01 } } .. note:: This integrator only updates the current step and simulation time without modifying particle positions or velocities.