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Last change
on this file since 4187 was
4176,
checked in by dubos, 5 years ago
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simple_physics : copy code from FH
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File size:
1.0 KB
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| 1 | SUBROUTINE orbite(pls,pdist_sol,pdecli) |
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| 2 | IMPLICIT NONE |
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| 3 | |
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| 4 | c======================================================================= |
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| 5 | c |
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| 6 | c Objet: |
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| 7 | c ------ |
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| 8 | c |
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| 9 | c Distance from sun and declimation as a function of the solar |
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| 10 | c longitude Ls |
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| 11 | c |
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| 12 | c Interface: |
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| 13 | c ---------- |
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| 14 | c |
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| 15 | c common 'comorbit.h' initialized by comorbit.f |
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| 16 | c |
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| 17 | c Arguments: |
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| 18 | c ---------- |
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| 19 | c |
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| 20 | c Input: |
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| 21 | c ------ |
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| 22 | c pls Ls |
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| 23 | c |
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| 24 | c Output: |
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| 25 | c ------- |
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| 26 | c pdist_sol Distance Sun-Planet in UA |
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| 27 | c pdecli declinaison ( en radians ) |
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| 28 | c |
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| 29 | c======================================================================= |
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| 30 | c----------------------------------------------------------------------- |
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| 31 | c Declarations: |
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| 32 | c ------------- |
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| 33 | |
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| 34 | #include "comorbit.h" |
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| 35 | |
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| 36 | c arguments: |
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| 37 | c ---------- |
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| 38 | |
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| 39 | REAL pday,pdist_sol,pdecli,pls |
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| 40 | |
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| 41 | c----------------------------------------------------------------------- |
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| 42 | |
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| 43 | c Distance Sun-Planet |
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| 44 | |
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| 45 | pdist_sol=p_elips/(1.+e_elips*cos(pls+timeperi)) |
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| 46 | |
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| 47 | c Solar declination |
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| 48 | |
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| 49 | pdecli= asin (sin(pls)*sin(obliquit*pi/180.)) |
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| 50 | |
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| 51 | RETURN |
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| 52 | END |
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