:class:`ZeroPressureMechanicsDynaWriter`
========================================


.. py:class:: ansys.health.heart.writer.mechanics_writer.ZeroPressureMechanicsDynaWriter(model: ansys.health.heart.models.HeartModel, settings: Optional[ansys.health.heart.settings.settings.SimulationSettings] = None)

   Bases: :py:obj:`MechanicsDynaWriter`


   
   Class for preparing the input for a stress-free LS-DYNA simulation.













   .. rubric:: Notes

   This class is derived from the ``MechanicsDynaWriter`` class and consequently
   derives all keywords relevant for simulations involving mechanics. This class
   does not write the control volume keywords but rather adds the keyword for computing
   the stress-free configuration based on left/right cavity pressures instead.



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.. py:currentmodule:: ZeroPressureMechanicsDynaWriter

Overview
--------

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   .. tab-item:: Methods

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          * - :py:attr:`~update`
            - Update the keyword database.



   .. tab-item:: Attributes

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          * - :py:attr:`~kw_database`
            - Collection of keyword decks relevant for mechanics.






Import detail
-------------

.. code-block:: python

    from ansys.health.heart.writer.mechanics_writer import ZeroPressureMechanicsDynaWriter


Attribute detail
----------------

.. py:attribute:: kw_database

   
   Collection of keyword decks relevant for mechanics.
















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Method detail
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.. py:method:: update(robin_bcs: list[Callable] = None) -> None

   
   Update the keyword database.


   :Parameters:

       **robin_bcs** : :class:`python:list`\[:obj:`Callable`], default: :data:`python:None`
           List of lambda functions to apply Robin-type boundary conditions.














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