Source code for RCAIDE.Framework.Mission.Segments.Vertical_Flight.Descent
# RCAIDE/Framework/Analyses/Mission/Segments/Vertical_Flight/Descent.py
#
#
# Created: Jul 2023, M. Clarke
# ----------------------------------------------------------------------------------------------------------------------
# IMPORT
# ----------------------------------------------------------------------------------------------------------------------
# RCAIDE imports
from RCAIDE.Framework.Core import Units
from RCAIDE.Framework.Mission.Segments.Evaluate import Evaluate
from RCAIDE.Library.Mission import Common,Segments
# ----------------------------------------------------------------------------------------------------------------------
# Descent
# ----------------------------------------------------------------------------------------------------------------------
[docs]
class Descent(Evaluate):
""" A vertically descending hover for VTOL aircraft. Although the vehicle moves, no aerodynamic drag and lift are used.
Assumptions:
Your vehicle creates a negligible drag and lift force during a vertical descent.
Source:
None
"""
def __defaults__(self):
""" This sets the default solver flow. Anything in here can be modified after initializing a segment.
Assumptions:
None
Source:
N/A
Inputs:
None
Outputs:
None
Properties Used:
None
"""
# --------------------------------------------------------------------------------------------------------------
# User Inputs
# --------------------------------------------------------------------------------------------------------------
self.altitude_start = None # Optional
self.altitude_end = 1. * Units.km
self.descent_rate = 1. * Units.m / Units.s
self.true_course = 0.0 * Units.degrees
# --------------------------------------------------------------------------------------------------------------
# Mission specific processes
# --------------------------------------------------------------------------------------------------------------
initialize = self.process.initialize
iterate = self.process.iterate
initialize.conditions = Segments.Vertical_Flight.Descent.initialize_conditions
iterate.residuals.flight_dynamics = Common.Residuals.flight_dynamics
return
