import math class DirichletValues: def __init__(self, homotopyParameter): self.homotopyParameter = homotopyParameter def deformation(self, x): # Dirichlet b.c. simply clamp the shell in the reference configuration out = [x[0], x[1], 0] return out def orientation(self, x): rotation = [[1,0,0], [0, 1, 0], [0, 0, 1]] return rotation