Mooring System Design

For detailed methodology, please see Mooring System Design.

class ORBIT.phases.design.MooringSystemDesign(config, **kwargs)

Mooring System and Anchor Design.

expected_config = {'mooring_system_design': {'anchor_type': "str (optional, default: 'Suction Pile')", 'chain_density': 'int | float (optional, default: 19900 kg/m**3)', 'draft_depth': 'int (optional, default: 20m)', 'drag_embedment_fixed_length': 'int (optional, default: 500m)', 'mooring_line_cost_rate': 'int | float (optional)', 'mooring_type': "str (optional, default: 'Catenary')", 'num_lines': 'int | float (optional, default: 4)', 'rope_density': 'int | float (optional, default: 797.8 kg/m**3)'}, 'plant': {'num_turbines': 'int'}, 'site': {'depth': 'float'}, 'turbine': {'turbine_rating': 'int | float'}}

output_config = {'mooring_system': {'anchor_cost': 'USD', 'anchor_mass': 't', 'anchor_type': 'str', 'line_cost': 'USD', 'line_diam': 'm, float', 'line_length': 'm', 'line_mass': 't', 'mooring_type': 'str', 'num_lines': 'int', 'system_cost': 'USD'}}

run()

Runs the design model.

determine_mooring_line()

Returns the diameter of the mooring lines based on the turbine rating.

TODO: Add TLP option and consider merging SemiTaut interp here

calculate_breaking_load()

Returns the mooring line breaking load.

calculate_line_length_mass()

Returns the mooring line length and mass.

SemiTaut model based on: NLR/MoorPy

TODO: Improve TLP line length and mass

calculate_anchor_mass_cost()

Returns the mass and cost of anchors.

TODO: Anchor masses are rough estimates based on [1]. Should be revised when this module is overhauled in the future. TODO: Mooring types for Catenary, TLP, SemiTaut will likely have different anchors.

property line_cost

Returns cost of one line mooring line.

property total_cost

Returns the total cost of the mooring system.

property detailed_output

Returns detailed phase information.

property design_result

Returns the results of the design phase.

_abc_impl = <_abc._abc_data object>