carputils.mesh.bivslice Namespace Reference

Classes
class	BiVSlice

Functions
def	circle_intersections (centre_1, centre_2, radius_1, radius_2)
	i More...

Variables
	xrange = range
	p60m60 = linear_fibre_rule(60, -60)
	mesh
	fibre_rule = p60m60)
	faces

Function Documentation

circle_intersections()

def carputils.mesh.bivslice.circle_intersections	(		centre_1,
			centre_2,
			radius_1,
			radius_2
	)

i

---

r1 * * * r2

• *h *

  ---

  c1 ************************** c2 a b

  d = a + b

From Pythagoras

r1^2 = a^2 + h^2 r2^2 = b^2 + h^2

Rearranging and combining gives:

a^2 = b^2 + r1^2 - r2^2

Substituting b = d - a gives:

a = (r1^2 - r2^2 + d^2) / 2d

And h is found by:

h^2 = r1**2 - a**2

Variable Documentation

faces

carputils.mesh.bivslice.faces

fibre_rule

carputils.mesh.bivslice.fibre_rule = p60m60)

mesh

carputils.mesh.bivslice.mesh

Initial value:

=  BiVSlice(25, 30, 10, 5, 5,
                    #tetrahedrise=False,
                    div_rvtrans=3,
                    div_height=3, div_lvtrans=3,#)

p60m60

carputils.mesh.bivslice.p60m60 = linear_fibre_rule(60, -60)

xrange

carputils.mesh.bivslice.xrange = range