Objects and commands can be active or inactive based on the application state. The is_active() method returns True if an object or command is active at a particular time.

The get_active_child_names method returns the list of active children:

  >>> solver.setup.models.get_active_child_names()
  ['energy', 'multiphase', 'viscous']

The get_active_command_names method returns the list of active commands:

  >>> solver.solution.run_calculation.get_active_command_names()
  ['iterate']