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Adam Nelson 2015-10-07 20:06:44 -04:00
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docs/source/usersguide/input.rst
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@ -1266,58 +1266,65 @@ The ``<tally>`` element accepts the following sub-elements:
:mu:
A monotonically increasing list of bounding **post-collision**
cosines of the change in a particle's angle (i.e., :math:`\mu`),
which represents a portion of the possible values of :math:`\[-1,1\]`.
For example, spanning all of :math:`\[-1,1\]` with five equi-width
cosines of the change in a particle's angle (i.e.,
:math:`\mu = \cos(\Omega \cdot \Omega')`),
which represents a portion of the possible values of :math:`[-1,1]`.
For example, spanning all of :math:`[-1,1]` with five equi-width
bins can be specified as:
.. code-block :: xml
``<filter type="mu" bins="-1.0 -0.6 -0.2 0.2 0.6 1.0" />``
.. code-block:: xml
<filter type="mu" bins="-1.0 -0.6 -0.2 0.2 0.6 1.0" />
Alternatively, if only one value is provided as a bin, OpenMC will
interpret this to mean the complete range of :math:`\[-1,1\]` should
interpret this to mean the complete range of :math:`[-1,1]` should
be automatically subdivided in to the provided value for the bin.
That is, the above example of five equi-width bins spanning
:math:`\[-1,1\]` can be instead written as:
:math:`[-1,1]` can be instead written as:
.. code-block :: xml
``<filter type="mu" bins="5" />``.
.. code-block:: xml
<filter type="mu" bins="5" />
:polar:
A monotonically increasing list of bounding particle polar angles
which represents a portion of the possible values of :math:`\[0,\pi\]`.
For example, spanning all of :math:`\[0,\pi\]` with five equi-width
which represents a portion of the possible values of :math:`[0,\pi]`.
For example, spanning all of :math:`[0,\pi]` with five equi-width
bins can be specified as:
.. code-block :: xml
``<filter type="polar" bins="0.0 0.6283 1.2566 1.8850 2.5132 3.1416"/>``
.. code-block:: xml
<filter type="polar" bins="0.0 0.6283 1.2566 1.8850 2.5132 3.1416"/>
Alternatively, if only one value is provided as a bin, OpenMC will
interpret this to mean the complete range of :math:`\[0,\pi\]` should
interpret this to mean the complete range of :math:`[0,\pi]` should
be automatically subdivided in to the provided value for the bin.
That is, the above example of five equi-width bins spanning
:math:`\[0,\pi\]` can be instead written as:
:math:`[0,\pi]` can be instead written as:
.. code-block :: xml
``<filter type="polar" bins="5" />``.
.. code-block:: xml
<filter type="polar" bins="5" />
:azimuthal:
A monotonically increasing list of bounding particle azimuthal angles
which represents a portion of the possible values of :math:`\[-\pi,\pi\)`.
For example, spanning all of :math:`\[-\pi,\pi\)` with two equi-width
which represents a portion of the possible values of :math:`[-\pi,\pi)`.
For example, spanning all of :math:`[-\pi,\pi)` with two equi-width
bins can be specified as:
.. code-block :: xml
``<filter type="azimuthal" bins="0.0 3.1416 6.2832" />``
.. code-block:: xml
<filter type="azimuthal" bins="0.0 3.1416 6.2832" />
Alternatively, if only one value is provided as a bin, OpenMC will
interpret this to mean the complete range of :math:`\[-\pi,\pi\)` should
interpret this to mean the complete range of :math:`[-\pi,\pi)` should
be automatically subdivided in to the provided value for the bin.
That is, the above example of five equi-width bins spanning
:math:`\[-\pi,\pi\)` can be instead written as:
:math:`[-\pi,\pi)` can be instead written as:
.. code-block :: xml
``<filter type="azimuthal" bins="2" />``.
.. code-block:: xml
<filter type="azimuthal" bins="2" />
:mesh:
The ``id`` of a structured mesh to be tallied over.