Fix cleanup

Author: 1-Bart-1

examples/cleanup.jl

@@ -1,13 +1,10 @@
 
 # delete the generated polars
-# this might be needed when the software or Julia have been updated
-# it is also useful if you want to benchmark the polar generation
+# it is useful if you want to benchmark the polar generation or if you have changed parameters
 
-file1="data/ram_air_kite_body_info.bin"
-file2="data/ram_air_kite_foil_polar.bin"
-if isfile(file1)
-    rm(file1)
-end
-if isfile(file2)
-    rm(file2)
-end
+file1="data/ram_air_kite_foil_cl_polar.csv"
+file2="data/ram_air_kite_foil_cd_polar.csv"
+file3="data/ram_air_kite_foil_cm_polar.csv"
+isfile(file1) && rm(file1)
+isfile(file2) && rm(file2)
+isfile(file3) && rm(file3)

src/polars.jl

@@ -184,7 +184,7 @@ The first row contains flap deflection angles, first column contains angles of a
 - `matrix`: Matrix of aerodynamic coefficients
 - `alpha_range`: Vector of angle of attack values in radians
 - `delta_range`: Vector of flap deflection angles in radians
-- `label`: Coefficient label for the header (default: "C_l")
+- `label`: Coefficient label for the header
 """
 function write_aero_matrix(filepath::String, matrix::Matrix{Float64}, 
                          alpha_range::Vector{Float64}, delta_range::Vector{Float64},