A rank 3 tensor with D6i symmetry
A D6iRank3Tensor is a third rank tensor
with D6i point group symmetry. The arguments
d11 and d22 are real
numbers. The first integer in each argument name is a space index
(1, 2, or 3) and the second is a Voigt index (1 through 6).
Figure 6.142. Structure of a D6i Third Rank Tensor
Structure of a D6i rank 3 tensor. For an explanation of
the symbols, see Figure 6.57.