viv-analysis - VIV Analysis for Risers and Tubular Members
Assess vortex-induced vibration (VIV) for risers and tubular members with natural frequency and safety factor calculations.
Tags
Updated: 2026-09-22Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Calculate natural frequencies
- Evaluate vortex shedding frequencies
- Screen VIV susceptibility
- Assess VIV fatigue damage
- Evaluate VIV safety factors
Inputs
- Member geometry and material properties
- Current velocity profiles
- Riser tension distribution
Outputs
- Natural frequencies JSON file
- Mode shapes CSV file
- Vortex shedding analysis CSV file
- VIV screening report JSON file
- Tubular VIV analysis JSON report
- Safety factors CSV file
- VIV susceptibility HTML report
Requirements
- Python >= 3.10
- digitalmodel package
- structural-analysis package (>=1.0.0, <2.0.0)
- OrcaFlex >= 11.0
- Windows, Linux, or macOS