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SOURCES: Fix gravitational acceleration from a point mass.

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Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
This commit is contained in:
Grzegorz Kowal 2014-04-30 14:06:56 -03:00
parent 8ac8248279
commit 176076dce3
1 changed files with 3 additions and 2 deletions
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src/sources.F90
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@ -208,7 +208,7 @@ module sources
! local variables ! local variables
! !
integer :: i, j, k integer :: i, j, k
real(kind=8) :: r2, gc, gx, gy, gz real(kind=8) :: r2, r3, gc, gx, gy, gz
! local arrays ! local arrays
! !
@ -250,10 +250,11 @@ module sources
#if NDIMS == 3 #if NDIMS == 3
r2 = x(i) * x(i) + y(j) * y(j) + z(k) * z(k) r2 = x(i) * x(i) + y(j) * y(j) + z(k) * z(k)
#endif /* NDIMS == 3 */ #endif /* NDIMS == 3 */
r3 = r2 * sqrt(r2)
! calculate gravitational acceleration factors ! calculate gravitational acceleration factors
! !
gc = gpoint * pdata%q(idn,i,j,k) / max(1.0d-16, r2) gc = gpoint * pdata%q(idn,i,j,k) / max(1.0d-16, r3)
gx = gc * x(i) gx = gc * x(i)
gy = gc * y(j) gy = gc * y(j)
#if NDIMS == 3 #if NDIMS == 3