Inheritance diagram for SUAVE.Analyses.Stability.AVL.AVL:

Public Member Functions
def	__defaults__ (self)

def	finalize (self)

def	__call__ (self, conditions)

def	sample_training (self)

def	build_surrogate (self)

def	evaluate_conditions (self, run_conditions, trim_aircraft)

Public Member Functions inherited from SUAVE.Analyses.Stability.Stability.Stability
def	evaluate (self, conditions)

Public Member Functions inherited from SUAVE.Analyses.Analysis.Analysis
def	compile (self, args, *kwarg)

def	initialize (self, args, *kwarg)

def	evaluate (self, args, *kwarg)

def	finalize (self, args, *kwarg)

def	__call__ (self, args, *kwarg)

Public Attributes
	tag

	current_status

	geometry

	settings

	training

	training_file

	surrogates

	configuration

Public Attributes inherited from SUAVE.Analyses.Stability.Stability.Stability
	tag

	geometry

	settings

Public Attributes inherited from SUAVE.Analyses.Analysis.Analysis
	tag

	features

	settings

Detailed Description

This builds a surrogate and computes moment using AVL.

Assumptions:
None

Source:
None

Member Function Documentation

◆ call()

def SUAVE.Analyses.Stability.AVL.AVL.__call__	(	self,
		conditions
	)

Evaluates moment coefficient, stability and body axis deriviatives and neutral point using available surrogates.

Assumptions:
None

Source:
N/A

Inputs:
state.conditions.
  mach_number      [-]
  angle_of_attack  [radians]

Outputs:
results
    results.stability.static
    results.stability.dynamic


Properties Used:
self.surrogates.
   pitch_moment_coefficient [-] CM
   cm_alpha                 [-] Cm_alpha
   cn_beta                  [-] Cn_beta
   neutral_point            [-] NP

◆ defaults()

def SUAVE.Analyses.Stability.AVL.AVL.__defaults__ ( self )

This sets the default values and methods for the analysis.

Assumptions:
None

Source:
N/A

Inputs:
None

Outputs:
None

Properties Used:
N/A

Reimplemented from SUAVE.Analyses.Stability.Stability.Stability.

◆ build_surrogate()

def SUAVE.Analyses.Stability.AVL.AVL.build_surrogate ( self )

Builds a surrogate based on sample evalations using a Guassian process.

Assumptions:
None

Source:
N/A

Inputs:
self.training.
  coefficients     [-] CM, Cm_alpha, Cn_beta 
  neutral point    [meters] NP
  grid_points      [radians,-] angles of attack and Mach numbers 

Outputs:
self.surrogates.
  moment_coefficient           
  Cm_alpha_moment_coefficient  
  Cn_beta_moment_coefficient   
  neutral_point                      

Properties Used:
No others

◆ evaluate_conditions()

def SUAVE.Analyses.Stability.AVL.AVL.evaluate_conditions	(	self,
		run_conditions,
		trim_aircraft
	)

Process vehicle to setup geometry, condititon, and configuration.

Assumptions:
None

Source:
N/A

Inputs:
run_conditions <SUAVE data type> aerodynamic conditions; until input
method is finalized, will assume mass_properties are always as 
defined in self.features

Outputs:
results        <SUAVE data type>

Properties Used:
self.settings.filenames.
  run_folder
  output_template
  batch_template
  deck_template
self.current_status.
  batch_index
  batch_file
  deck_file
  cases

◆ finalize()

def SUAVE.Analyses.Stability.AVL.AVL.finalize ( self )

Drives functions to get training samples and build a surrogate.

Assumptions:
None

Source:
N/A

Inputs:
None

Outputs:
self.tag = 'avl_analysis_of_{}'.format( )

Properties Used:
self.geometry.tag

Reimplemented from SUAVE.Analyses.Stability.Stability.Stability.

◆ sample_training()

def SUAVE.Analyses.Stability.AVL.AVL.sample_training ( self )

Call methods to run AVL for sample point evaluation.

Assumptions:
None

Source:
N/A

Inputs:
see properties used

Outputs:
self.training.
  coefficients     [-] CM, Cm_alpha, Cn_beta
  neutral point    [-] NP
  grid_points      [radians,-] angles of attack and Mach numbers 

Properties Used:
self.geometry.tag  <string>
self.training.     
  angle_of_attack  [radians]
  Mach             [-]
self.training_file (optional - file containing previous AVL data)

The documentation for this class was generated from the following file:

/Users/emiliobotero/Dropbox/SUAVE/SUAVE/trunk/SUAVE/Analyses/Stability/AVL.py

Public Member Functions

Public Attributes