Leading Edge Spacing

[Brandon-Campanile]

I'm having an issue where the LE is not well defined. Try changing ds=0.005 on line 70 and you'll see a large point spacing from the stagnation point to the first point followed by progressively smaller point spacing. Could you include a cosine spacing scheme to better define the LE? Thank you.

[Brandon-Campanile]

I'm not at all familiar with Glyph or TCL, but I made the following changes locally to obtain cosine spacing and it seems to work if gridPts is an odd number:

line 71:

set d {0}
set gridPts 201
set pi 3.14159

line 78:
for {set beta 0} {$beta < [expr {$pi+$pi/$gridPts}]} {set beta [expr {$beta + $pi/$gridPts}]} {lappend x [expr {0.5*(1-cos($beta))}]}

line 83:
lappend d [expr $xx]

line 107:

if {$dy == 0} {
        set th 0
} else {
	set th [expr {atan($dy/$dx)}]
}

[advocateddrummer]

This is a random coincidence, I addressed this very issue today in #2 without any foreknowledge of this open issue. @Brandon-Campanile, maybe you could check that out and see if it addresses your issue adequately?

[Brandon-Campanile]

@advocateddrummer That’s exactly it, what a coincidence! Especially considering how long this repo has been around.