:class:`BoundaryCondition`
==========================


.. py:class:: ansys.dyna.core.pre.dynabase.BoundaryCondition

   
   Provides a way of defining imposed motions on boundary nodes.
















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.. py:currentmodule:: BoundaryCondition

Overview
--------

.. tab-set::



   .. tab-item:: Methods

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~assign_model`
            - 
          * - :py:attr:`~create_spc`
            - Define nodal single point constraints.
          * - :py:attr:`~create_imposed_motion`
            - Create an imposed nodal motion on a node or set of nodes.
          * - :py:attr:`~create_temperature`
            - Create temperature boundary conditions for a thermal or coupled thermal/structural analysis.
          * - :py:attr:`~create_convection`
            - Apply a convection boundary condition on SEGMENT_SET for a thermal analysis.
          * - :py:attr:`~create`
            - Create a boundary condition.



   .. tab-item:: Attributes

      .. list-table::
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          * - :py:attr:`~stub`
            - 
          * - :py:attr:`~spclist`
            - 
          * - :py:attr:`~imposedmotionlist`
            - 
          * - :py:attr:`~templist`
            - 
          * - :py:attr:`~convectionlist`
            - 






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

.. code-block:: python

    from ansys.dyna.core.pre.dynabase import BoundaryCondition


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

.. py:attribute:: stub

.. py:attribute:: spclist
   :value: []


.. py:attribute:: imposedmotionlist
   :value: []


.. py:attribute:: templist
   :value: []


.. py:attribute:: convectionlist
   :value: []




Method detail
-------------

.. py:method:: assign_model(model)

.. py:method:: create_spc(nodeset, tx=True, ty=True, tz=True, rx=True, ry=True, rz=True, cid=0, birth=0, death=1e+20)

   
   Define nodal single point constraints.


   :Parameters:

       **nodeset** : NodeSet.
           Node set.

       **contraint_x/y/z_direction** : :class:`python:int`
           Translational constraint in local x/y/z-direction.

       **contraint_x/y/zaxis_rotate** : :class:`python:int`
           Rotational constraint about local x/y/z-axis.














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.. py:method:: create_imposed_motion(set, curve, motion=Motion.DISPLACEMENT, dof=DOF.X_TRANSLATIONAL, scalefactor=1, birthtime=0)

   
   Create an imposed nodal motion on a node or set of nodes.

   An imposed nodal motion can be a velocity, acceleration, or displacement.

   :Parameters:

       **partset** : PartSet.
           Part set.

       **curve** : :obj:`Curve`
           Curve ID or function ID to describe the motion value as a function of time.

       **motion** : :obj:`enum`
           Velocity/Acceleration/Displacement flag.

       **dof** : :obj:`enum`
           Applicable degrees of freedom.

       **scalefactor** : :class:`python:int`, :obj:`optional`
           Load curve scale factor. The default is ``1``.

       **birthtime** : :class:`python:int`, :obj:`optional`
           ..














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.. py:method:: create_temperature(nodeset, curve=None, scalefactor=1)

   
   Create temperature boundary conditions for a thermal or coupled thermal/structural analysis.


   :Parameters:

       **nodeset** : NodeSet.
           Node set.

       **curve** : :obj:`Curve`, :obj:`optional`
           Temperature, T, specification. The default is ``None``.

       **scalefactor** : :class:`python:float`, :obj:`optional`
           Temperature, T, curve multiplier. The default is ``1``.














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.. py:method:: create_convection(segmentset=None, convection_heat_transfer_coefficient=None, convection_heat_transfer_coefficient_multiplier=0.0, environment_temperature=None, environment_temperature_multiplier=0.0)

   
   Apply a convection boundary condition on SEGMENT_SET for a thermal analysis.


   :Parameters:

       **segmentset** : SegmentSet.
           Segment set.

       **convection_heat_transfer_coefficient** : :obj:`Curve`
           Convection heat transfer coefficient.

       **convection_heat_transfer_coefficient_multiplier** : :class:`python:float`
           Curve multiplier for convection heat transfer coefficient.

       **environment_temperature** : :obj:`Curve`
           Environment temperature.

       **environment_temperature_multiplier** : :class:`python:float`
           Curve multiplier for environment temperature.














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.. py:method:: create()

   
   Create a boundary condition.
















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