-
Notifications
You must be signed in to change notification settings - Fork 3
/
nonlin_cap.f90
57 lines (48 loc) · 1.91 KB
/
nonlin_cap.f90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
! BSD 2-Clause License
!
! Copyright (c) [2019] [Valeria Barra]
! All rights reserved.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice, this
! list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
! ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
! WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
! ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
! LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
! ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
! SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SUBROUTINE nonlin_cap(res,ffx)
USE nrtype
USE domain_space, ONLY: n, nmmax
USE mobility, ONLY: mob
IMPLICIT NONE
!!$c get nonlinear part for capilary term
!!$
!!$ ffx(k,l): ffx at (k-1/2, l)
!!$
REAL(DP), DIMENSION(nmmax), INTENT(IN) :: res
REAL(DP), DIMENSION(nmmax), INTENT(OUT) :: ffx
INTEGER(I4B) np,k,km
np=n+1
!!$ ffx(k,l): ffx at (k-1/2, l)
!!$ ffnemx(k,l): ffnemx at (k-1/2, l)
ffx(1)=mob(res(1))
DO k=2,n
km=k-1
ffx(k)=(mob(res(k))+mob(res(km)))/2.0d0
END DO
ffx(np)=mob(res(n))
RETURN
END SUBROUTINE nonlin_cap