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Python Data.lift_force_vector方法代码示例

本文整理汇总了Python中SUAVE.Structure.Data.lift_force_vector方法的典型用法代码示例。如果您正苦于以下问题:Python Data.lift_force_vector方法的具体用法?Python Data.lift_force_vector怎么用?Python Data.lift_force_vector使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SUAVE.Structure.Data的用法示例。


在下文中一共展示了Data.lift_force_vector方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: __call__

# 需要导入模块: from SUAVE.Structure import Data [as 别名]
# 或者: from SUAVE.Structure.Data import lift_force_vector [as 别名]
    def __call__(self,conditions):
        """ process vehicle to setup geometry, condititon and configuration
            
            Inputs:
                conditions - DataDict() of aerodynamic conditions
                
            Outputs:
                CL - array of lift coefficients, same size as alpha 
                CD - array of drag coefficients, same size as alpha
                
            Assumptions:
                linear intperolation surrogate model on Mach, Angle of Attack 
                    and Reynolds number
                locations outside the surrogate's table are held to nearest data
                no changes to initial geometry or configuration
                
        """
        
        # unpack
        configuration = self.configuration
        geometry      = self.geometry
        q             = conditions.freestream.dynamic_pressure
        Sref          = geometry.reference_area
                
        # lift needs to compute first, updates data needed for drag
        CL = SUAVE.Methods.Aerodynamics.Supersonic_Zero.Lift.compute_aircraft_lift(conditions,configuration,geometry)
        

        
        # drag computes second
        CD = compute_aircraft_drag(conditions,configuration,geometry)
        
        
        # pack conditions
        conditions.aerodynamics.lift_coefficient = CL
        conditions.aerodynamics.drag_coefficient = CD        

        # pack results
        results = Data()
        results.lift_coefficient = CL
        results.drag_coefficient = CD
        
        N = q.shape[0]
        L = np.zeros([N,3])
        D = np.zeros([N,3])
        
        L[:,2] = ( -CL * q * Sref )[:,0]
        D[:,0] = ( -CD * q * Sref )[:,0]
        
        #if L.any < 0.0:
            #k = 1        

        results.lift_force_vector = L
        results.drag_force_vector = D        
        
        return results
开发者ID:designToolDeveloper,项目名称:SUAVE,代码行数:58,代码来源:Supersonic_Zero.py

示例2: __call__

# 需要导入模块: from SUAVE.Structure import Data [as 别名]
# 或者: from SUAVE.Structure.Data import lift_force_vector [as 别名]
    def __call__(self,conditions):

        
        alpha = conditions.angle_of_attack
        
        state = Data()
        state.M   = conditions.mach_number
        state.rho = conditions.density
        state.mew = conditions.viscosity
        state.T   = conditions.temperature
        #state.q   = conditions.dynamic_pressure
        state.Sref = self.Sref
        
        #N = state.M.shape[0]
        
        ##interpolation methods
        #f_Cl = interp1d(self.aoa_range, self.Cl_a,bounds_error=False)
        #Cl_inc=f_Cl(alpha)
        ##Cl_inc=self.f_Cl(alpha)

        Cl_inc= self.CL0 + self.dCLdalpha*alpha  
        CL=Cl_inc/(numpy.sqrt(1-state.M**2))
        #print 'alpha',alpha
        #print 'Cl_inc',Cl_inc
        #print 'CL',CL
        #CD = self.CD0 + (CL**2)/(np.pi*self.AR*self.e)      # parbolic drag
        CD= self.drag(CL,state)

        results = Data()
        results.lift_coefficient = CL
        results.drag_coefficient = CD
        
        conditions.lift_coefficient = CL
        conditions.drag_coefficient = CD
        
        L = np.zeros([N,3])
        D = np.zeros([N,3])
        
        L[:,2] = ( -CL * state.q * state.Sref )[:,0]
        D[:,0] = ( -CD * state.q * state.Sref )[:,0]
        
        results.lift_force_vector = L
        results.drag_force_vector = D

        return [CL,CD]
开发者ID:thearn,项目名称:SUAVE,代码行数:47,代码来源:PASS_Aero.py


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