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      <title>Splitting and Wrinkling</title>
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      <div class="title_refTopic" id="xps10_pagetitle">Splitting and Wrinkling</div>
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         <p class="para_refCategory">The splitting check is used to ensure that splitting does not occur when there is no restraint at the boundary (the holding condition = free). The wrinkling check is used to ensure that wrinkling does not occur when the sheet metal is locked at the boundary (the holding condition = locked).</p>
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         <p class="para_refCategory">The following options supply values used for the Forming Limit Diagram curves.</p>
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      <div class="title_refCategory">Margin</div>
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         <p class="para_refCategory">This option specifies the safety factor for the marginal curve below the forming limit curve.</p>
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                  <p class="defObject">Version Modified:</p>
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                  <p class="para_defMeaning">NX3.0.0</p>
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                  <p class="defObject">Type:</p>
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                  <p class="defObject">Default Name:</p>
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                  <p class="defObject">Valid Range:</p>
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                        &gt;=0.0
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      <div class="title_refCategory">Maximum Thinning</div>
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         <p class="para_refCategory">This option specifies the maximum thinning factor for the curve that represents the minor strain, major strain combinations at which the thickness of the sheet has a constant thinning. Any point above this curve represents elements which have excess thinning.</p>
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                  <p class="defObject">Version Modified:</p>
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                  <p class="para_defMeaning">NX3.0.0</p>
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                  <p class="defObject">Default Name:</p>
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                  <p class="para_defMeaning">DFM_FLDMaximumThinning</p>
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                        &gt;=0.0
                    ]</p>
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      <div class="title_refCategory">Minimum Strain Threshold</div>
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         <p class="para_refCategory">This option specifies the value for the minimum strain threshold curve. Sheet metal requires a certain minimum strain in order to hold its shape well. Any point below this curve represents elements with insufficient stretching.</p>
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                  <p class="defObject">Version Modified:</p>
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                  <p class="para_defMeaning">NX3.0.0</p>
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                  <p class="defObject">Type:</p>
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                  <p class="defObject">Default Name:</p>
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                  <p class="para_defMeaning">DFM_FLDMinimumStrain</p>
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                  <p class="defObject">Valid Range:</p>
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                  <p class="para_defMeaning">[
                        &gt;=0.0
                    ]</p>
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