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Merge branch 'develop' into scopatz-six

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Paul Romano 2016-10-13 06:09:10 -05:00
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37
docs/source/usersguide/input.rst
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@ -292,8 +292,8 @@ OpenMC can use it for on-the-fly Doppler-broadening of resolved resonance range
cross sections. If this element is absent from the settings.xml file, the
:envvar:`OPENMC_MULTIPOLE_LIBRARY` environment variable will be used.
.. note:: The :ref:`temperature_method` must also be set to "multipole" for
windowed multipole functionality.
.. note:: The <temperature_multipole> element must also be set to "true" for
windowed multipole functionality.
``<max_order>`` Element
---------------------------
@ -725,19 +725,29 @@ a material default temperature.
``<temperature_method>`` Element
--------------------------------
The ``<temperature_method>`` element has an accepted value of "nearest",
"interpolation", or "multipole". A value of "nearest" indicates that for each
The ``<temperature_method>`` element has an accepted value of "nearest" or
"interpolation". A value of "nearest" indicates that for each
cell, the nearest temperature at which cross sections are given is to be
applied, within a given tolerance (see :ref:`temperature_tolerance`). A value of
"interpolation" indicates that cross sections are to be linear-linear
interpolated between temperatures at which nuclear data are present (see
:ref:`temperature_treatment`). A value of "multipole" indicates that the
windowed multipole method should be used to evaluate temperature-dependent cross
sections in the resolved resonance range (a :ref:`windowed multipole library
<multipole_library>` must also be available).
:ref:`temperature_treatment`).
*Default*: "nearest"
.. _temperature_multipole:
``<temperature_multipole>`` Element
-----------------------------------
The ``<temperature_multipole>`` element toggles the windowed multipole
capability on or off. If this element is set to "True" and the relevant data is
available, OpenMC will use the windowed multipole method to evaluate and Doppler
broaden cross sections in the resolved resonance range. This override other
methods like "nearest" and "interpolation" in the resolved resonance range.
*Default*: False
.. _temperature_tolerance:
``<temperature_tolerance>`` Element
@ -850,17 +860,6 @@ problem. It has the following attributes/sub-elements:
*Default*: None
``<use_windowed_multipole>`` Element
------------------------------------
The ``<use_windowed_multipole>`` element toggles the windowed multipole
capability on or off. If this element is set to "True" and the relevant data is
available, OpenMC will use the windowed multipole method to evaluate and Doppler
broaden cross sections in the resolved resonance range.
*Default*: False
``<verbosity>`` Element
-----------------------

2
docs/source/usersguide/install.rst
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@ -83,7 +83,7 @@ Prerequisites
installed on your machine. Since a number of Fortran 2003/2008 features
are used in the code, it is recommended that you use the latest version of
whatever compiler you choose. For gfortran_, it is necessary to use
version 4.6.0 or above.
version 4.8.0 or above.
If you are using Debian or a Debian derivative such as Ubuntu, you can
install the gfortran compiler using the following command::