Here,
is the boundary value of the quantity, which is a solution
variable, whereas (5.19) is used as constitutive relation for the actual
flow over the boundary FC.
B reads, again for two example grid points i1 and i2
tx, y |
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FC |
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|||
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|||
FC | 1 | 1 |
The rows for
and
are zero since substitute equations
will directly be provided in the boundary matrix
B.