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Added description of <nuclides> in user's guide.

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Paul Romano 2012-08-20 17:47:53 -04:00
parent cc3cb75d4e
commit a258b7f73f
1 changed files with 18 additions and 3 deletions
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21
docs/source/usersguide/input.rst
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@ -536,9 +536,9 @@ Each ``<cell>`` element can have the following attributes or sub-elements:
:rotation:
If the cell is filled with a universe, this element specifies the angles in
degrees about the x, y, and z axes that the filled universe should be
rotated. Should be given as three real numbers.For example, if you wanted to
rotate the filled universe by 90 degrees about the z-axis, the cell element
would look something like:
rotated. Should be given as three real numbers. For example, if you wanted
to rotate the filled universe by 90 degrees about the z-axis, the cell
element would look something like:
.. code-block:: xml
@ -693,6 +693,21 @@ The ``<tally>`` element accepts the following sub-elements:
A list of filters to specify what region of phase space should contribute to
the tally. See below for full details on what filters are available.
:nuclides:
If specified, the scores listed will be for particular nuclides, not the
summation of reactions from all nuclides. The format for nuclides should be
[Atomic symbol]-[Mass number], e.g. "U-235". The reaction rate for all
nuclides can be obtained with "total". For example, to obtain the reaction
rates for U-235, Pu-239, and all nuclides in a material, this element should
be:
.. code-block:: xml
<nuclides>U-235 Pu-239 total</nuclides>
*Default*: total
:scores:
The desired responses to be accumulated. See below for full details on what
responses can be tallied.