Loading docs/source_docs/inputs/InputsProblemDefinition.rst +40 −0 Original line number Diff line number Diff line Loading @@ -851,3 +851,43 @@ Below is an example where only specific cells are imposed a velocity in the x-di bc.eb-flow.my_fluid.volfrac = 1.0 bc.eb-flow.my_fluid.velocity = 0.1 0.0 0.0 Constraints ----------- Additional constraints may be imposed on problems which are under-determined by IBCs, typically occurring in periodic domains. Currently, only particle constraints are supported. The prefix `particles.` should be applied to all input keywords listed below. +---------------------+-----------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +=====================+=======================================================================+=============+===========+ | constraint | Constraint type. Available options include: | String | None | | | | | | | | * 'mean_velocity' | | | | | | | | +---------------------+-----------------------------------------------------------------------+-------------+-----------+ For the `mean_velocity` constraint, the following inputs can be defined. +------------------------+------------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +========================+========================================================================+=============+===========+ | mean_velocity_x | mean particle velocity in dir=0 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ | mean_velocity_y | mean particle velocity in dir=1 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ | mean_velocity_z | mean particle velocity in dir=2 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ Below is an example for zero mean particle velocity in all three directions. .. code-block:: none particles.constraint = "mean_velocity" particles.constraint.mean_velocity_x = 0. particles.constraint.mean_velocity_y = 0. particles.constraint.mean_velocity_z = 0. Loading
docs/source_docs/inputs/InputsProblemDefinition.rst +40 −0 Original line number Diff line number Diff line Loading @@ -851,3 +851,43 @@ Below is an example where only specific cells are imposed a velocity in the x-di bc.eb-flow.my_fluid.volfrac = 1.0 bc.eb-flow.my_fluid.velocity = 0.1 0.0 0.0 Constraints ----------- Additional constraints may be imposed on problems which are under-determined by IBCs, typically occurring in periodic domains. Currently, only particle constraints are supported. The prefix `particles.` should be applied to all input keywords listed below. +---------------------+-----------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +=====================+=======================================================================+=============+===========+ | constraint | Constraint type. Available options include: | String | None | | | | | | | | * 'mean_velocity' | | | | | | | | +---------------------+-----------------------------------------------------------------------+-------------+-----------+ For the `mean_velocity` constraint, the following inputs can be defined. +------------------------+------------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +========================+========================================================================+=============+===========+ | mean_velocity_x | mean particle velocity in dir=0 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ | mean_velocity_y | mean particle velocity in dir=1 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ | mean_velocity_z | mean particle velocity in dir=2 | Real | Undefined | +------------------------+------------------------------------------------------------------------+-------------+-----------+ Below is an example for zero mean particle velocity in all three directions. .. code-block:: none particles.constraint = "mean_velocity" particles.constraint.mean_velocity_x = 0. particles.constraint.mean_velocity_y = 0. particles.constraint.mean_velocity_z = 0.
