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Autodesk Inventor Nastran 2025
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      • Introduction
      • Section 1: NASTRAN Command Line
      • Section 2: Initialization
      • Section 3: Case Control
      • Section 4: Bulk Data
      • Section 5: Parameters
        • Model Translator Parameters
        • Geometry Processor Parameters
        • Solution Processor Parameters
        • Eigenvalue Processor Parameters
          • AUTOBPD
          • BPDEFDIAG
          • CLOSE
          • DDAMPHASE
          • DMILABEL
          • EIGENFLEXFREQ
          • EIGENSHIFTSFACT
          • EIGENSOLACCEL
          • EXTOUT
          • LANCZOSVECT
          • MAXEIGENRESTART
          • MODALDATABASE
          • MODEFSPCSTORE
          • MODEPFACTOR
          • NCBMODE
          • OPTION
          • RESVEC
          • RESVPGF
          • RIGIDBODYMODE
          • SCRSPEC
          • SORTMODEMASS
          • ZONADATAOUT
        • Transient Response Processor Parameters
        • Frequency Response Processor Parameters
        • Nonlinear Solution Processor Parameters
        • Results Processor Parameters
        • Topology Design Optimization Processor Parameters
        • Nastran Binary Results File Geometry Data Block Definition Table
        • Nastran Binary Results File Results Data Block Definition Table
        • Nastran Binary Results File Modeler Compatibility Table
        • Model Parameter/Solution Applicability Matrix
      • Appendix A: Results Neutral File Format
      • Appendix B: Model Input File Command And Entry Summary
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    Description Type Default

    See SCRSPEC.

    Real

    1.0

    Parent topic: Eigenvalue Processor Parameters

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