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USER_PROBLEM: Correct the way the zeta parameter works.

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Parameter 'zeta' controls if the thermal pressure (zeta=0.0) or
guide field (zeta=1.0) should contribute to make the total
pressure uniform.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
This commit is contained in:
Grzegorz Kowal 2022-11-27 17:06:13 -03:00
parent ef68c12b44
commit 20492048aa
1 changed files with 1 additions and 1 deletions
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sources/user_problem.F90
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@ -289,7 +289,7 @@ module user_problem
do i = 1, nn
bx = bamp * csx(i) * (csy(j) * thy(j) + sny(j) / (pi2 * dlta * ch2(j)))
by = bamp * 5.0d-01 * snx(i) * sny(j) * thy(j)
bz = sqrt(bgui**2 + zeta**2 * max(0.0d+00, bamp**2 - bx**2 - by**2))
bz = sqrt(max(0.0d+00, bgui**2 + zeta * (bamp**2 - bx**2 - by**2)))
pdata%q(ibx,i,j,:) = bx
pdata%q(iby,i,j,:) = by