Orcaflex Mooring Iteration Initial Model

Sub-skill of orcaflex-mooring-iteration: Initial Model (+2).

vamseeachanta Updated

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Initial Model (+2)

Initial Model

  1. Start close to target - Begin with reasonable pretension estimate
  2. Verify static convergence - Model must converge before iteration
  3. Check line connectivity - Ensure proper vessel/anchor connections
  4. Reasonable initial lengths - Avoid extreme configurations

Configuration

  1. Start with default damping (0.7) - Reduce if oscillating
  2. Use appropriate method - Scipy for most cases
  3. Set realistic tolerances - 1% is typical for design
  4. Limit iterations - 50-100 usually sufficient

Troubleshooting

  1. No convergence - Reduce damping factor
  2. Oscillating - Increase damping, check Jacobian
  3. Slow convergence - Check EA values, initial guess
  4. Invalid lengths - Set min/max length limits

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