Python Mesh Examples

Example #1

File: mesh-volume.py Project: lcharleux/abapy

from abapy.future import Mesh, parseInp, writeInp, writeMsh, Node, Tri3, Quad4
import numpy as np

m = Mesh()
m.nodes[1] = Node( (0., 1., 0.) )
m.nodes[2] = Node( (0., 2., 0.) )
m.nodes[3] = Node( (0., 3., 0.) )
m.nodes[4] = Node( (1., 4., 0.) )
m.nodes[5] = Node( (1., 3., 0.) )
m.nodes[6] = Node( (1., 2., 0.) )
m.nodes[7] = Node( (2., 1., 0.) )
m.nodes[8] = Node( (1., 0., 0.) )
m.nodes[9] = Node( (2., 3., 0.) )
m.nodes[10] = Node( (2., 2., 0.) )


m.elements[1] = Quad4(conn = (1,8,7,6))
m.elements[2] = Quad4(conn = (2,6,5,3))
m.elements[3] = Tri3(conn = (1,6,2))
m.elements[4] = Tri3(conn = (3,5,4))
m.elements[5] = Tri3(conn = (6,7,10))
m.elements[6] = Quad4(conn = (5,6,10,9))

for k, v in m.elements.iteritems():
  print k, v.volume()
  
def transformation(x, y, z):
  theta = np.pi / 4.  * z
  r = x.copy()
  x = r * np.cos(theta)
  z = r * np.sin(theta)

Example #2

from abapy.future import Mesh, parseInp, writeInp, writeMsh, Node, Tri3, Quad4
import numpy as np

m = Mesh()
m.nodes[1] = Node((0., 1., 0.))
m.nodes[2] = Node((0., 2., 0.))
m.nodes[3] = Node((0., 3., 0.))
m.nodes[4] = Node((1., 4., 0.))
m.nodes[5] = Node((1., 3., 0.))
m.nodes[6] = Node((1., 2., 0.))
m.nodes[7] = Node((2., 1., 0.))
m.nodes[8] = Node((1., 0., 0.))
m.nodes[9] = Node((2., 3., 0.))
m.nodes[10] = Node((2., 2., 0.))

m.elements[1] = Quad4(conn=(1, 8, 7, 6))
m.elements[2] = Quad4(conn=(2, 6, 5, 3))
m.elements[3] = Tri3(conn=(1, 6, 2))
m.elements[4] = Tri3(conn=(3, 5, 4))
m.elements[5] = Tri3(conn=(6, 7, 10))
m.elements[6] = Quad4(conn=(5, 6, 10, 9))

for k, v in m.elements.items():
    print(k, v.volume())


def transformation(x, y, z):
    theta = np.pi / 4. * z
    r = x.copy()
    x = r * np.cos(theta)
    z = r * np.sin(theta)