Source code for RCAIDE.Framework.Mission.Segments.Cruise.Constant_Pitch_Rate_Constant_Altitude
# RCAIDE/Framework/Analyses/Mission/Segments/Cruise/Constant_Pitch_Rate_Constant_Altitude.py
#
#
# Created: Jul 2023, M. Clarke
# ----------------------------------------------------------------------------------------------------------------------
# IMPORT
# ----------------------------------------------------------------------------------------------------------------------
# RCAIDE imports
from RCAIDE.Framework.Mission.Segments.Evaluate import Evaluate
from RCAIDE.Framework.Core import Units
from RCAIDE.Library.Mission.Segments import Cruise
from RCAIDE.Library.Mission import Common,Segments
# ----------------------------------------------------------------------------------------------------------------------
# Constant_Pitch_Rate_Constant_Altitude
# ----------------------------------------------------------------------------------------------------------------------
[docs]
class Constant_Pitch_Rate_Constant_Altitude(Evaluate):
""" Vehicle flies at a constant pitch rate at a set altitude. This is maneuvering flight.
This is used in VTOL aircraft which need to transition from one pitch attitude to another.
Assumptions:
None
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 = None
self.pitch_rate = 1. * Units['rad/s/s']
self.pitch_initial = None
self.pitch_final = 0.0 * Units['rad']
self.true_course = 0.0 * Units.degrees
# --------------------------------------------------------------------------------------------------------------
# Mission specific processes
# --------------------------------------------------------------------------------------------------------------
initialize = self.process.initialize
initialize.conditions = Cruise.Constant_Pitch_Rate_Constant_Altitude.initialize_conditions
iterate = self.process.iterate
iterate.unknowns.mission = Common.Unpack_Unknowns.orientation
iterate.unknowns.controls = Common.Unpack_Unknowns.control_surfaces
iterate.residuals.flight_dynamics = Common.Residuals.flight_dynamics
return
