ansys.dyna.core.pre.dynamaterial.Vacuum
=======================================

.. py:class:: ansys.dyna.core.pre.dynamaterial.Vacuum(estimated_material_density=1e-09)

   
   Defines a vacuum material.


   :Parameters:

       **estimated_material_density** : :class:`python:float`
           Estimated material density. The default is ``1e-09``.



   :Returns:

       :ref:`bool <python:bltin-boolean-values>`
           ``True`` when successful, ``False`` when failed.











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   .. py:attribute:: estimated_material_density
      :value: 1e-09



   .. py:method:: create(stub)

      
      Create a null material.
















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