@with_kw mutable struct Panel

Represents a panel in a vortex step method simulation. All points and vectors are in the kite body (KB) frame.

Fields

• TE_point_1::MVec3=zeros(MVec3): First trailing edge point
• LE_point_1::MVec3=zeros(MVec3): First leading edge point
• TE_point_2::MVec3=zeros(MVec3): Second trailing edge point
• LE_point_2::MVec3=zeros(MVec3): Second leading edge point
• chord::Float64=0: Panel chord length
• va::MVec3=zeros(MVec3): Panel velocity
• corner_points::MMatrix{3, 4, Float64}=zeros(MMatrix{3, 4, Float64}: Panel corner points
• aero_model::AeroModel=INVISCID: Aerodynamic model type AeroModel
• aero_center::Vector{Float64}: Panel aerodynamic center
• cl_coeffs::Vector{Float64}=zeros(Float64, 3)
• cd_coeffs::Vector{Float64}=zeros(Float64, 3)
• cm_coeffs::Vector{Float64}=zeros(Float64, 3)
• cl_interp::Union{Nothing, I1, I2} = nothing
• cd_interp::Union{Nothing, I1, I2} = nothing
• cm_interp::Union{Nothing, I1, I2} = nothing
• control_point::Vector{MVec3}: Panel control point
• bound_point_1::Vector{MVec3}: First bound point
• bound_point_2::Vector{MVec3}: Second bound point
• x_airf::MVec3=zeros(MVec3): Unit vector tangential to chord line
• y_airf::MVec3=zeros(MVec3): Unit vector in spanwise direction
• z_airf::MVec3=zeros(MVec3): Unit vector, cross product of xairf and yairf
• width::Float64=0: Panel width
• filaments::Tuple{BoundFilament,BoundFilament,BoundFilament,SemiInfiniteFilament,SemiInfiniteFilament} = ( BoundFilament(), BoundFilament(), BoundFilament(), SemiInfiniteFilament(), SemiInfiniteFilament() ): Panel filaments, see: BoundFilament

PanelProperties

Structure to hold calculated panel properties.

Fields

• aero_centers::Vector{MVec3}
• control_points::Vector{MVec3}
• bound_points_1::Vector{MVec3}
• bound_points_2::Vector{MVec3}
• x_airf::Vector{MVec3}: Vector of unit vectors tangential to chord line
• y_airf::Vector{MVec3}: Vector of unit vectors in spanwise direction
• z_airf::Vector{MVec3}: Vector of unit vectors pointing up (cross of xairf and yairf)

BoundFilament

Represents a bound vortex filament defined by two points.

Fields

• x1::MVec3=zeros(MVec3): First point
• x2::MVec3=zeros(MVec3): Second point
• length=zero(Float64): Filament length
• r0::MVec3=zeros(MVec3): Vector from x1 to x2
• initialized::Bool = false