start to use MVec3 for Section

Author: ufechner7

src/wing_geometry.jl

@@ -13,8 +13,8 @@ Represents a wing section with leading edge, trailing edge, and aerodynamic prop
     - `["lei_airfoil_breukels", [d_tube,camber]]`: LEI airfoil with Breukels parameters
 """
 struct Section
-    LE_point::Vector{Float64}
-    TE_point::Vector{Float64}
+    LE_point::MVec3
+    TE_point::MVec3
     aero_input::Union{String, Tuple{String, Vector{Float64}}}
 
     function Section(LE_point::Vector{Float64}, TE_point::Vector{Float64}, aero_input::Union{String, Tuple{String, Vector{Float64}}})
@@ -263,8 +263,8 @@ Returns:
 function refine_mesh_for_linear_cosine_distribution(
     spanwise_panel_distribution::String,
     n_sections::Int,
-    LE::Union{Matrix{Float64}, Adjoint{Float64, Matrix{Float64}}},
-    TE::Union{Matrix{Float64}, Adjoint{Float64, Matrix{Float64}}},
+    LE::Union{Matrix{Float64}, Adjoint{Float64, Matrix{Float64}}, MMatrix{2, 3, Float64, 6}},
+    TE::Union{Matrix{Float64}, Adjoint{Float64, Matrix{Float64}}, MMatrix{2, 3, Float64, 6}},
     aero_input::Union{Vector{String}, Vector{Tuple{String, Vector{Float64}}}})
 
     # 1. Compute quarter chord line
@@ -525,7 +525,7 @@ function calculate_projected_area(wing::Wing,
     z_plane_vector = z_plane_vector ./ norm(z_plane_vector)
 
     # Project point onto plane
-    function project_onto_plane(point::Vector{Float64}, normal::Vector{Float64})
+    function project_onto_plane(point::PosVector, normal::Vector{Float64})
         return point .- dot(point, normal) .* normal
     end