:orphan:

.. _pre_processing_compressibility_control:

compressibility_control
=======================

.. autoclass:: ansys.cfx.core.generated.pre_processing.settings_261.compressibility_control.compressibility_control
    :show-inheritance:

.. rubric:: Attributes

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Attribute                                                                                                                                                                                                                                                           Summary

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:ref:`enabled <pre_processing_enabled_191>`                                                                                                                                                                                      Enable the COMPRESSIBILITY CONTROL object.

:ref:`high_speed_numerics <pre_processing_high_speed_numerics>`                                                                                                               Activates special numerics to improve solver behavior for high speed flow (e.g. with shocks).

:ref:`carbuncle_fix <pre_processing_carbuncle_fix>`                                                                                                  Activates special numerics to workaround carbuncle effect. Activated by default when High Speed Numerics is activated.

:ref:`compressible_linearisation <pre_processing_compressible_linearisation>`                                                                                               Determines whether drho/dp is used to linearize density derivatives in the continuity equation.

:ref:`decreasing_pressure_relaxation <pre_processing_decreasing_pressure_relaxation>`                                                                                                Determines whether the rate of pressure decrease is restricted for compressible flows.

:ref:`decreasing_pressure_relaxation_factor <pre_processing_decreasing_pressure_relaxation_factor>`                                                                                                                      Maximum rate of pressure decrease in an iteration.

:ref:`decreasing_temperature_relaxation <pre_processing_decreasing_temperature_relaxation>`                                                                                       Determines whether the rate of temperature decrease is restricted for compressible flows.

:ref:`decreasing_temperature_relaxation_factor <pre_processing_decreasing_temperature_relaxation_factor>`                                                                                                             Maximum rate of temperature decrease in an iteration.

:ref:`total_pressure_option <pre_processing_total_pressure_option>`                                                                                                                                                 Recipe to use for static-to-total pressure conversions.

:ref:`clip_pressure_for_properties <pre_processing_clip_pressure_for_properties>`                           Specifies whether pressure should be clipped when calculating properties for compressible simulations. If activated, negative solution pressures are permitted.

:ref:`minimum_pressure_for_properties <pre_processing_minimum_pressure_for_properties>`                                                                 Minimum absolute pressure for properties if negative absolute pressures are permitted for compressible simulations.

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.. rubric:: Included in:

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Parent                                                                                                                                 Summary

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:ref:`solver_control <pre_processing_solver_control_1>`   Holds all objects that control discretization and execution of the solution process.

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