<!DOCTYPE html
  PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<!--
Copyright (c) 2006 UGS Corp.

All Rights Reserved.

This software and related documentation are proprietary to UGS Corp.
-->
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>Control Parameters</title>
      <script language="javaScript">
        abridged="false";
        displayConditions=new Array();
      </script>
      <link type="text/css" href="../css/main_styles.css" rel="stylesheet">
   </head>
   <body class="bodydocs" onload="top.pageLoader()" bgcolor="#FFFFFF">
      <hr noshade="true">
      <div class="title_refTopic" id="xps10_pagetitle">Control Parameters</div>
      <hr noshade="true">
      <div class="title_refCategory">Maximum Number of Iterations</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">This option specifies the maximum number of times the optimization solution will run in an attempt to reach a solution.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Integer</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_maximumIterations</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Range:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[
                        &gt;=1
                    ]</p>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Absolute Convergence Criteria</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">This option specifies the actual change from the last two iterations which determines if the optimization has converged.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Real</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_absoluteConvergence</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Range:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[
                        &gt;=0.0
                    ]</p>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Relative Convergence Criteria</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">This option specifies the percent change from the last two iterations from which the optimization is considered converged.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Real</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_relativeConvergence</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Units:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">%</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Range:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[
                        &gt;=0.0
                    ]</p>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Maximum Constraint Violation</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">This option specifies how much the constraint limits may be violated for the solution to reach convergence.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Real</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_maximumViolation</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Units:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">%</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Range:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[
                        &gt;=0.0
                    ]</p>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Perturbation Percentage</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">During the first few iterations of the optimization, the optimizer samples the design space. This option specifies the amount that design variables may vary during this sampling period. 

The amount changed is the difference between the upper and lower limits of the design variable multiplied by this percentage. 

For example, consider a design variable with a value of 10. Its upper and lower limits are 11 and 9. If the perturbation percentage is 20, then for these initial iterations, the optimization will vary the variable by 0.20 (11 - 9), or 0.4.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Real</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_perturbationPercentage</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Units:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">%</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Range:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[
                        &gt;0.0
                    ]</p>
               </td>
            </tr>
         </table>
      </div>
      <div class="title_refCategory">Show Graph while Optimizing</div>
      <div class="refCategoryContent">
         <p class="para_refCategory">This option determines whether or not to show a graph of the optimizer's progress.</p>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Version Modified:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">NX5.0.0</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Scope:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Session</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Type:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">Integer</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Default Name:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">OptWizard_showGraph</p>
               </td>
            </tr>
         </table>
         <table cellspacing="10">
            <tr>
               <td valign="top">
                  <p class="defObject">Valid Options:</p>
               </td>
               <td valign="top">
                  <p class="para_defMeaning">[Yes (1), No (0)]</p>
               </td>
            </tr>
         </table>
      </div>
   </body>
</html>