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      <title>BCSET</title>
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      <div class="title_refTopic" id="xps10_pagetitle">BCSET </div>
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      <h4 class="refClassification">Contact Set Selection (SOLs 101, 103, 111, 112, 601 and 701) </h4>
      <p class="para_refTopic">Selects the contact set for SOLs 101, 103, 111, 112, 601 and 701. </p>
      <div class="title_refCategory">Format: </div>
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         <p class="para_refCategory">BCSET=n </p>
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      <div class="title_refCategory">Examples: </div>
      <div class="refCategoryContent"><pre class="indent">BCSET=5</pre></div>
      <div class="title_refCategory">Describers:</div>
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                     <p class="para_th"><b class="uiTerm">Describer </b></p>
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                     <p class="para_th"><b class="uiTerm">Meaning </b></p>
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                     <p class="para_td">n </p>
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                     <p class="para_td">Contact set identification of a BCTSET of BCTADD Bulk Data entry. (Integer&gt;0) </p>
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      <div class="title_refCategory">Remarks: </div>
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               <p class="para_item">BCSET references a BCTSET Bulk Data entry if there is only one contact set. When multiple contact sets are used in SOLs 601 and 701, BCSET must reference a BCTADD Bulk Data entry. Use of the BCTADD entry is not supported in SOLs 101, 103, 111 or 112.</p>
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               <p class="para_item">A contact definition can be included in a normal mode solution (SOL 103), and in an optional dynamic response calculation (SOLs 111 and 112). In the normal mode solution, contact stiffness result is added from the end of the converged linear statics contact solution. The contact stiffness values in the normal mode solution represents the final contact condition of the structure around the contact interface. Thus, it will appear that the resulting contact surfaces are attached during the normal mode analysis. Since the calculated normal modes include the final contact interface conditions, the response calculation (SOLs 111 and 112) which use these normal modes automatically include the same conditions. The inputs for the normal mode solution are consistent with differential stiffness solutions which require a linear statics subcase. The difference is that the linear statics subcase should include the BCSET case control command. When defining the normal modes subcase, a STATSUB bulk entry must be included to reference the subcase id containing the contact definition. The contact solution in the linear statics subcase must fully converge before moving to the normal mode portion of the run.</p>
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