20 lines
481 B
Text
20 lines
481 B
Text
# fsd weighted (vn+sd) correlations
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[u, v, w, y]
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c (latex="c") = 1.0 - y
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fsd (latex="\Sigma_f'") = sqrt (sqr(ddx(c)) + sqr(ddy(c)) + sqr(ddz(c)))
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nx(latex="n_x") = - ddx(c) / fsd
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ny(latex="n_y") = - ddy(c) / fsd
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nz(latex="n_z") = - ddz(c) / fsd
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divn(latex="\nabla \cdot \vec{n}") = ddx(nx) + ddy(ny) + ddz(nz)
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divn_plus = $positive(divn)
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divn_minus = $negative(divn)
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avg { c, u, v, w, fsd, ddx_c, ddy_c, ddz_c }
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avg fsd { u, v, w, nx, ny, nz, divn, divn_plus, divn_minus }
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