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Removed equations and replaced with code snippets.

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Ryan Latture 2015-11-12 18:32:21 -08:00
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@ -29,12 +29,12 @@ The latter of which ties to nodes together via a linear springs between all tran
The `fea::Options` struct can be used to request results of the analysis be written to disk as well as modify various aspect of the analysis.
#### Forming the job ####
The job defines the nodal coordinates in \f$(x, y, z)\f$ space,
The job defines the nodal coordinates in ``(x, y, z)`` space,
the nodes that are connected to form beam elements, and the elemental properties.
The nodal coordinates are formed as a vector of `fea::Node`'s where each node simply contains the \f$(x, y, z)\f$ coordinates of the point.
The nodal coordinates are formed as a vector of `fea::Node`'s where each node simply contains the `(x, y, z)` coordinates of the point.
An element contains the 2 nodal indices that are connected to form the element as well as the associated properties of the element.
The properties must define the extensional stiffness, \f$EA\f$, bending stiffness parallel to the local z-axis \f$EI_{z}\f$,
bending stiffness parallel to the local y-axis\f$EI_{y}\f$, the torsional stiffness, \f$GJ\f$, and a vector pointing along the beam elements local y-axis.
The properties must define the extensional stiffness, `EA`, bending stiffness parallel to the local z-axis `EIz`,
bending stiffness parallel to the local y-axis `EIy`, the torsional stiffness, `GJ`, and a vector pointing along the beam elements local y-axis.
An example forming a simple job with a single element is shown below.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{.cpp}