Yield stress
(normalized)
f U N , 0 = 1.004
( f U N , 0 , 0 , 0 )
f U N , 45 = 0.998
( f U N , 45 2 , f U N , 45 2 , f U N , 45 2 )
f U N , 90 = 0.997
( 0 , f U N , 90 , 0 )
f B I = 1.157
( f B I , f B I , 0 )
f S H , 0 = 0.537
( 0 , 0 , f S H , 0 )
Normal
( cos θ 1 , sin θ 1 , 0 )
—
( cos θ 2 , sin θ 2 , 0 )
( cos θ 3 , sin θ 3 , 0 )
( 0 , 0 , 1 )