Class VibrationAnalysis.VibrationResult

java.lang.Object
neqsim.process.mechanicaldesign.heatexchanger.VibrationAnalysis.VibrationResult
Enclosing class:
VibrationAnalysis
public static class VibrationAnalysis.VibrationResult extends Object
Results of vibration screening analysis.
Version:
1.0
Author:
NeqSim Development Team

  • Field Details

    • naturalFrequencyHz

      public double naturalFrequencyHz
      Tube natural frequency (Hz).

    • vortexSheddingFrequencyHz

      public double vortexSheddingFrequencyHz
      Vortex shedding frequency (Hz).

    • vortexSheddingRatio

      public double vortexSheddingRatio
      Ratio of vortex shedding to natural frequency.

    • vortexSheddingCritical

      public boolean vortexSheddingCritical
      True if vortex shedding is near resonance (0.8-1.2).

    • criticalVelocityMs

      public double criticalVelocityMs
      Critical crossflow velocity for fluid-elastic instability (m/s).

    • velocityRatio

      public double velocityRatio
      Ratio of actual crossflow velocity to reduced critical velocity.

    • fluidElasticCritical

      public boolean fluidElasticCritical
      True if fluid-elastic instability threshold exceeded.

    • acousticFrequencyHz

      public double acousticFrequencyHz
      First-mode acoustic resonance frequency (Hz).

    • acousticRatio

      public double acousticRatio
      Ratio of vortex shedding to acoustic resonance frequency.

    • acousticCritical

      public boolean acousticCritical
      True if acoustic resonance near vortex shedding.

    • passed

      public boolean passed
      Overall pass/fail: true if no critical vibration mechanism found.

  • Constructor Details

    • VibrationResult

      public VibrationResult()
      Default constructor for VibrationResult.

  • Method Details

    • getSummary

      public String getSummary()
      Returns a summary message indicating the vibration screening status.
      Returns:
      summary status string