33 |
C == Local variables == |
C == Local variables == |
34 |
INTEGER i,j,kp3,kp2,kp1,km1,km2,km3,km4 |
INTEGER i,j,kp3,kp2,kp1,km1,km2,km3,km4 |
35 |
_RL cfl,Psi |
_RL cfl,Psi |
36 |
_RL wLoc,Fac,Del,DelIp,DelI,Phi,Eps,rp1h,rp1h_cfl,Msk |
_RL wLoc,Fac,DelIp,DelI,Phi,Eps,rp1h,rp1h_cfl |
37 |
_RL Qippp,Qipp,Qip,Qi,Qim,Qimm,Qimmm |
_RL Qippp,Qipp,Qip,Qi,Qim,Qimm,Qimmm |
38 |
_RL MskIpp,MskIp,MskI,MskIm,MskImm,MskImmm |
_RL MskIpp,MskIp,MskI,MskIm,MskImm,MskImmm |
39 |
_RL d2,d2p1,d2m1,A,B,C,D |
_RL d2,d2p1,d2m1,A,B,C,D |
40 |
_RL dp1h,dm1h,qMD,qUL,qLC,PhiMD,PhiLC,PhiMin,PhiMax |
_RL dp1h,dm1h,qMD,qUL,qLC,PhiMD,PhiLC,PhiMin,PhiMax |
41 |
|
_RL DelM,DelP,DelMM,DelPP,DelMMM,DelPPP |
42 |
|
_RL Del2MM,Del2M,Del2,Del2P,Del2PP |
43 |
|
_RL Del3MM,Del3M,Del3P,Del3PP |
44 |
|
_RL Del4M,Del4,Del4P |
45 |
|
_RL Del5M,Del5P |
46 |
|
_RL Del6 |
47 |
|
|
48 |
Eps = 1. _d -20 |
Eps = 1. _d -20 |
49 |
|
|
94 |
ENDIF |
ENDIF |
95 |
|
|
96 |
IF (wTrans(i,j).ne.0.) THEN |
IF (wTrans(i,j).ne.0.) THEN |
|
Phi = 0. |
|
97 |
C 2nd order correction [i i-1] |
C 2nd order correction [i i-1] |
98 |
Fac = 1. |
Fac = 1. |
99 |
Del = Qip-Qi |
DelP = (Qip-Qi)*MskI |
100 |
Msk = MskI |
Phi = Fac * DelP |
|
Phi = Msk * Fac * Del |
|
101 |
C 3rd order correction [i i-1 i-2] |
C 3rd order correction [i i-1 i-2] |
102 |
Fac = Fac * ( cfl + 1. )/3. |
Fac = Fac * ( cfl + 1. )/3. |
103 |
Del = Del - ( Qi-Qim ) |
DelM = (Qi-Qim)*MskIm |
104 |
Msk = Msk * MskIm |
Del2 = DelP - DelM |
105 |
Phi = Phi - Msk * Fac * Del |
Phi = Phi - Fac * Del2 |
106 |
C 4th order correction [i+1 i i-1 i-2] |
C 4th order correction [i+1 i i-1 i-2] |
107 |
Fac = Fac * ( cfl - 2. )/4. |
Fac = Fac * ( cfl - 2. )/4. |
108 |
Del = ( Qipp-2.*Qip+Qi ) - Del |
DelPP = (Qipp-Qip)*MskIp*MskI |
109 |
Msk = Msk * MskIp |
Del2P = DelPP - DelP |
110 |
Phi = Phi + Msk * Fac * Del |
Del3P = Del2P - Del2 |
111 |
|
Phi = Phi + Fac * Del3p |
112 |
C 5th order correction [i+1 i i-1 i-2 i-3] |
C 5th order correction [i+1 i i-1 i-2 i-3] |
113 |
Fac = Fac * ( cfl - 3. )/5. |
Fac = Fac * ( cfl - 3. )/5. |
114 |
Del = Del - ( Qip-3.*Qi+3.*Qim-Qimm ) |
DelMM = (Qim-Qimm)*MskImm*MskIm |
115 |
Msk = Msk * MskImm |
Del2M = DelM - DelMM |
116 |
Phi = Phi + Msk * Fac * Del |
Del3M = Del2 - Del2M |
117 |
|
Del4 = Del3P - Del3M |
118 |
|
Phi = Phi + Fac * Del4 |
119 |
C 6th order correction [i+2 i+1 i i-1 i-2 i-3] |
C 6th order correction [i+2 i+1 i i-1 i-2 i-3] |
120 |
Fac = Fac * ( cfl + 2. )/6. |
Fac = Fac * ( cfl + 2. )/6. |
121 |
Del = ( Qippp-4.*Qipp+6.*Qip-4.*Qi+Qim ) - Del |
DelPPP = (Qippp-Qipp)*MskIpp*MskIp*MskI |
122 |
Msk = Msk * MskIpp |
Del2PP = DelPP - DelP |
123 |
Phi = Phi + Msk * Fac * Del |
Del3PP = Del2PP - Del2P |
124 |
|
Del4P = Del3PP - Del3P |
125 |
|
Del5P = Del4P - Del4 |
126 |
|
Phi = Phi + Fac * Del5P |
127 |
C 7th order correction [i+2 i+1 i i-1 i-2 i-3 i-4] |
C 7th order correction [i+2 i+1 i i-1 i-2 i-3 i-4] |
128 |
Fac = Fac * ( cfl + 2. )/7. |
Fac = Fac * ( cfl + 2. )/7. |
129 |
Del = Del - ( Qipp-5.*Qip+10.*Qi-10.*Qim+5.*Qimm-Qimmm ) |
DelMMM = (Qimm-Qimmm)*MskImmm*MskImm*MskIm |
130 |
Msk = Msk * MskImmm |
Del2MM = DelMM - DelMMM |
131 |
Phi = Phi - Msk * Fac * Del |
Del3MM = Del2M - Del2MM |
132 |
|
Del4M = Del3M - Del3MM |
133 |
|
Del5M = Del4 - Del4M |
134 |
|
Del6 = Del5P - Del5M |
135 |
|
Phi = Phi - Fac * Del6 |
136 |
|
|
137 |
DelIp = ( Qip - Qi ) * MskI |
DelIp = ( Qip - Qi ) * MskI |
138 |
Phi = sign(1. _d 0,Phi)*sign(1. _d 0,DelIp) |
Phi = sign(1. _d 0,Phi)*sign(1. _d 0,DelIp) |
147 |
! Phi = max(0. _d 0, min( 2./(1-cfl), Phi, 2.*rp1h_cfl ) ) |
! Phi = max(0. _d 0, min( 2./(1-cfl), Phi, 2.*rp1h_cfl ) ) |
148 |
|
|
149 |
C MP limiter |
C MP limiter |
150 |
d2 = ( ( Qip + Qim ) - 2.*Qi ) * MskI * MskIm |
d2 = Del2 !( ( Qip + Qim ) - 2.*Qi ) * MskI * MskIm |
151 |
d2p1 = ( ( Qipp + Qi ) - 2.*Qip ) * MskIp * MskI |
d2p1 = Del2P !( ( Qipp + Qi ) - 2.*Qip ) * MskIp * MskI |
152 |
d2m1 = ( ( Qi + Qimm ) - 2.*Qim ) * MskIm * MskImm |
d2m1 = Del2M !( ( Qi + Qimm ) - 2.*Qim ) * MskIm * MskImm |
153 |
A = 4.*d2 - d2p1 |
A = 4.*d2 - d2p1 |
154 |
B = 4.*d2p1 - d2 |
B = 4.*d2p1 - d2 |
155 |
C = d2 |
C = d2 |
160 |
C = d2m1 |
C = d2m1 |
161 |
D = d2; |
D = d2; |
162 |
dm1h = max(min(A,B,C,D),0. _d 0)+min(max(A,B,C,D),0. _d 0) |
dm1h = max(min(A,B,C,D),0. _d 0)+min(max(A,B,C,D),0. _d 0) |
163 |
qMD = 0.5*( ( Qi + Qip ) - dp1h ) |
!qMD = 0.5*( ( Qi + Qip ) - dp1h ) |
164 |
qUL = Qi + (1.-cfl)/(cfl+Eps)*( Qi-Qim ) |
qMD = 0.5*( ( 2.*Qi + DelIp ) - dp1h ) |
165 |
qLC = Qi + 0.5*( 1.+dm1h/(Qi-Qim+Eps) )*(qUL-Qi) |
qUL = Qi + (1.-cfl)/(cfl+Eps)*DelI |
166 |
PhiMD = 2./(1.-cfl)*(qMD-Qi+Eps)/(Qip-Qi+Eps) |
qLC = Qi + 0.5*( 1.+dm1h/(DelI+Eps) )*(qUL-Qi) |
167 |
|
PhiMD = 2./(1.-cfl)*(qMD-Qi+Eps)/(DelIp+Eps) |
168 |
PhiLC = 2.*rp1h_cfl*(qLC-Qi+Eps)/(qUL-Qi+Eps) |
PhiLC = 2.*rp1h_cfl*(qLC-Qi+Eps)/(qUL-Qi+Eps) |
169 |
PhiMin = max(min(0. _d 0,PhiMD), |
PhiMin = max(min(0. _d 0,PhiMD), |
170 |
& min(0. _d 0,2.*rp1h_cfl,PhiLC)) |
& min(0. _d 0,2.*rp1h_cfl,PhiLC)) |