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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
        • Transient Response Processor Parameters
        • Frequency Response Processor Parameters
          • ACBINTERACTTOL
          • ACBPRESSET
          • ACBREFPRES
          • ACBVC
          • ADDPSDAFREQ
          • DFREQ
          • FREQRESPRSLTINCR
          • FREQRESPRSLTOUT
          • KDAMP
          • RANDRESPINVLEVEL
          • RANDRESPRSLTOUT
          • VFM2ACB
        • 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
    • Nastran Solver Error Messages
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    ACBREFPRES

    Description Type Default

    Specifies the acoustic reference pressure used to convert sound pressure into decibels for boundary acoustic analysis.

    Real

    0.0

    Parent topic: Frequency Response Processor Parameters

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