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<li class="navelem"><a class="el" href="namespacefea.html">fea</a></li><li class="navelem"><a class="el" href="classfea_1_1_global_stiff_assembler.html">GlobalStiffAssembler</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">fea::GlobalStiffAssembler Class Reference</div> </div>
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<p>Assembles the global stiffness matrix.
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<a href="classfea_1_1_global_stiff_assembler.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="threed__beam__fea_8h_source.html">threed_beam_fea.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a1a880ef51b6dd2619ac3f4f510a726a2"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#a1a880ef51b6dd2619ac3f4f510a726a2">GlobalStiffAssembler</a> ()</td></tr>
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<tr class="memdesc:a1a880ef51b6dd2619ac3f4f510a726a2"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#a1a880ef51b6dd2619ac3f4f510a726a2">More...</a><br /></td></tr>
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<tr class="separator:a1a880ef51b6dd2619ac3f4f510a726a2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae07a113c97d0aa76a6391b4697961875"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#ae07a113c97d0aa76a6391b4697961875">operator()</a> (<a class="el" href="namespacefea.html#ab9a3b4734f69bd4a2a883d7b9bab5662">SparseMat</a> &Kg, const <a class="el" href="structfea_1_1_job.html">Job</a> &job, const std::vector< <a class="el" href="structfea_1_1_tie.html">Tie</a> > &ties)</td></tr>
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<tr class="memdesc:ae07a113c97d0aa76a6391b4697961875"><td class="mdescLeft"> </td><td class="mdescRight">Assembles the global stiffness matrix. <a href="#ae07a113c97d0aa76a6391b4697961875">More...</a><br /></td></tr>
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<tr class="separator:ae07a113c97d0aa76a6391b4697961875"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aad75afc9ef363da11c60a9d84f190701"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#aad75afc9ef363da11c60a9d84f190701">calcKelem</a> (unsigned int i, const <a class="el" href="structfea_1_1_job.html">Job</a> &job)</td></tr>
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<tr class="memdesc:aad75afc9ef363da11c60a9d84f190701"><td class="mdescLeft"> </td><td class="mdescRight">Updates the elemental stiffness matrix for the <code>ith</code> element. <a href="#aad75afc9ef363da11c60a9d84f190701">More...</a><br /></td></tr>
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<tr class="separator:aad75afc9ef363da11c60a9d84f190701"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9c403407b2a17700bec9de277ae717d8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#a9c403407b2a17700bec9de277ae717d8">calcAelem</a> (const Eigen::Vector3d &nx, const Eigen::Vector3d &nz)</td></tr>
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<tr class="memdesc:a9c403407b2a17700bec9de277ae717d8"><td class="mdescLeft"> </td><td class="mdescRight">Updates the rotation and transposed rotation matrices. <a href="#a9c403407b2a17700bec9de277ae717d8">More...</a><br /></td></tr>
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<tr class="separator:a9c403407b2a17700bec9de277ae717d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a860467d39009b2cf45ec68cd799f5213"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">LocalMatrix</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#a860467d39009b2cf45ec68cd799f5213">getKelem</a> ()</td></tr>
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<tr class="memdesc:a860467d39009b2cf45ec68cd799f5213"><td class="mdescLeft"> </td><td class="mdescRight">Returns the currently stored elemental stiffness matrix. <a href="#a860467d39009b2cf45ec68cd799f5213">More...</a><br /></td></tr>
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<tr class="separator:a860467d39009b2cf45ec68cd799f5213"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a37389168def7bc5993f1e49cd584e32c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">LocalMatrix</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfea_1_1_global_stiff_assembler.html#a37389168def7bc5993f1e49cd584e32c">getAelem</a> ()</td></tr>
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<tr class="memdesc:a37389168def7bc5993f1e49cd584e32c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the currently stored rotation matrix. <a href="#a37389168def7bc5993f1e49cd584e32c">More...</a><br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Assembles the global stiffness matrix. </p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">fea::GlobalStiffAssembler::GlobalStiffAssembler </td>
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<td>(</td>
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<p>Default constructor. </p>
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<p>Initializes all entries in member matrices to 0.0. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void fea::GlobalStiffAssembler::calcAelem </td>
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<td>(</td>
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<td class="paramtype">const Eigen::Vector3d & </td>
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<td class="paramname"><em>nx</em>, </td>
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<td class="paramtype">const Eigen::Vector3d & </td>
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<td class="paramname"><em>nz</em> </td>
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<p>Updates the rotation and transposed rotation matrices. </p>
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<p>The rotation matrices <code>Aelem</code> and <code>AelemT</code> are updated based on the 2 specified unit normal vectors along the local x and y directions.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">nx</td><td><code>Eigen::Matrix3d</code>. Unit normal vector in global space parallel to the beam element's local x-direction. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">ny</td><td><code>Eigen::Matrix3d</code>. Unit normal vector in global space parallel to the beam element's local y-direction. </td></tr>
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<td class="memname">void fea::GlobalStiffAssembler::calcKelem </td>
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<td>(</td>
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<td class="paramname"><em>i</em>, </td>
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<td class="paramtype">const <a class="el" href="structfea_1_1_job.html">Job</a> & </td>
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<p>Updates the elemental stiffness matrix for the <code>ith</code> element. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">i</td><td><code>unsigned int</code>. Specifies the ith element for which the elemental stiffness matrix is calculated. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">job</td><td><code><a class="el" href="structfea_1_1_job.html" title="Contains a node list, element list, and the properties of each element. ">Job</a></code>. Current <code><a class="el" href="structfea_1_1_job.html" title="Contains a node list, element list, and the properties of each element. ">fea::Job</a></code> to analyze contains node, element, and property lists. </td></tr>
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<td class="memname"><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">LocalMatrix</a> fea::GlobalStiffAssembler::getAelem </td>
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<p>Returns the currently stored rotation matrix. </p>
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<dl class="section return"><dt>Returns</dt><dd><b>Rotation matrix</b> <code><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">fea::LocalMatrix</a></code>. </dd></dl>
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<td class="memname"><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">LocalMatrix</a> fea::GlobalStiffAssembler::getKelem </td>
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<td>(</td>
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<p>Returns the currently stored elemental stiffness matrix. </p>
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<dl class="section return"><dt>Returns</dt><dd><b>Elemental stiffness matrix</b> <code><a class="el" href="namespacefea.html#ae6576c78eabdf80c7a1b2ab0a9046433">fea::LocalMatrix</a></code>. </dd></dl>
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<td class="memname">void fea::GlobalStiffAssembler::operator() </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacefea.html#ab9a3b4734f69bd4a2a883d7b9bab5662">SparseMat</a> & </td>
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<td class="paramname"><em>Kg</em>, </td>
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<td class="paramtype">const <a class="el" href="structfea_1_1_job.html">Job</a> & </td>
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<td class="paramtype">const std::vector< <a class="el" href="structfea_1_1_tie.html">Tie</a> > & </td>
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<td class="paramname"><em>ties</em> </td>
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<p>Assembles the global stiffness matrix. </p>
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<p>The input stiffness matrix is modified in place to contain the correct values for the given job. Assumes that the input stiffness matrix has the correct dimensions and all values are initially set to zero.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir"></td><td class="paramname">Kg</td><td><code><a class="el" href="namespacefea.html#ab78c368a6a71d4dd85184e0ab034bde6">fea::GlobalStiffMatrix</a></code>. Modified in place. After evaluation, Kg contains the correct values for the global stiffness matrix due to the input <a class="el" href="structfea_1_1_job.html" title="Contains a node list, element list, and the properties of each element. ">Job</a>. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">job</td><td><code><a class="el" href="structfea_1_1_job.html" title="Contains a node list, element list, and the properties of each element. ">fea::Job</a></code>. Current <a class="el" href="structfea_1_1_job.html" title="Contains a node list, element list, and the properties of each element. ">Job</a> to analyze contains node, element, and property lists. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">ties</td><td><code>std::vector<<a class="el" href="structfea_1_1_tie.html" title="Places linear springs between all degrees of freedom of 2 nodes. ">fea::Tie</a>></code>. Vector of ties that apply to attach springs of specified stiffness to all nodal degrees of freedom between each set of nodes indicated. </td></tr>
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<p><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="center"><img src="classfea_1_1_global_stiff_assembler_ae07a113c97d0aa76a6391b4697961875_cgraph.png" border="0" usemap="#classfea_1_1_global_stiff_assembler_ae07a113c97d0aa76a6391b4697961875_cgraph" alt=""/></div>
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<map name="classfea_1_1_global_stiff_assembler_ae07a113c97d0aa76a6391b4697961875_cgraph" id="classfea_1_1_global_stiff_assembler_ae07a113c97d0aa76a6391b4697961875_cgraph">
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<area shape="rect" id="node2" href="classfea_1_1_global_stiff_assembler.html#aad75afc9ef363da11c60a9d84f190701" title="Updates the elemental stiffness matrix for the ith element. " alt="" coords="229,27,405,69"/>
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<area shape="rect" id="node5" href="namespacefea.html#adb99d60a0e4eb10e55a7c52044efb6e3" title="Loads any tie constraints into the set of triplets that will become the global stiffness matrix..." alt="" coords="265,93,369,120"/>
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<area shape="rect" id="node3" href="namespacefea.html#a22c94233f560b36c5e782d6e73cebae3" title="Calculates the distance between 2 nodes. " alt="" coords="501,5,581,32"/>
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<area shape="rect" id="node4" href="classfea_1_1_global_stiff_assembler.html#a9c403407b2a17700bec9de277ae717d8" title="Updates the rotation and transposed rotation matrices. " alt="" coords="453,57,629,98"/>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>include/<a class="el" href="threed__beam__fea_8h_source.html">threed_beam_fea.h</a></li>
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<li>src/<a class="el" href="threed__beam__fea_8cpp.html">threed_beam_fea.cpp</a></li>
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