Determine this shape factor F1–2 for the geometrical configuration shown
GIVEN
The geometrical configuration shown above
FIND
The shape factor F1–2
F1–23 = F1–2 + F1–3
By symmetry F1–2 = F1–3
Therefore, F1–23 = 2 F1–2 ? F1–2 = 0.5 F1–23
The shape factor (F1–23 is
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