forked from ShawnHoose/planet
-
Notifications
You must be signed in to change notification settings - Fork 1
/
Prob_2d.f90
240 lines (175 loc) · 6.49 KB
/
Prob_2d.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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
subroutine amrex_probinit (init,name,namlen,problo,probhi) bind(c)
use parallel
use probdata_module
use model_parser_module
use bl_error_module
implicit none
integer init, namlen
integer name(namlen)
double precision problo(2), probhi(2)
double precision offset
integer untin,i
namelist /fortin/ model_name, apply_vel_field, &
velpert_scale, velpert_amplitude, velpert_height_loc, num_vortices, &
shear_height_loc, shear_amplitude, &
cutoff_density, interp_BC, zero_vels
integer, parameter :: maxlen = 256
character probin*(maxlen)
! Build "probin" filename from C++ land --
! the name of file containing fortin namelist.
if (namlen .gt. maxlen) call bl_error("probin file name too long")
do i = 1, namlen
probin(i:i) = char(name(i))
end do
! Namelist defaults
apply_vel_field = .false.
velpert_scale = 1.0d2
velpert_amplitude = 1.0d2
velpert_height_loc = 6.5d3
num_vortices = 1
cutoff_density = 50.d0
interp_BC = .false.
zero_vels = .false.
shear_height_loc = 0.0d0
! Read namelists
untin = 9
open(untin,file=probin(1:namlen),form='formatted',status='old')
read(untin,fortin)
close(unit=untin)
! Read initial model
call read_model_file(model_name)
if (parallel_IOProcessor()) then
do i = 1, npts_model
print *, i, model_r(i), model_state(i,idens_model)
enddo
endif
! set local variable defaults
center(1) = 0.5*(problo(1)+probhi(1))
center(2) = 0.5*(problo(2)+probhi(2))
! velocity perturbation stuff
offset = (probhi(1) - problo(1)) / (num_vortices)
allocate(xloc_vortices(num_vortices))
do i = 1, num_vortices
xloc_vortices(i) = (dble(i-1) + 0.5d0) * offset + problo(1)
enddo
end subroutine amrex_probinit
! ::: -----------------------------------------------------------
! ::: This routine is called at problem setup time and is used
! ::: to initialize data on each grid.
! :::
! ::: NOTE: all arrays have one cell of ghost zones surrounding
! ::: the grid interior. Values in these cells need not
! ::: be set here.
! :::
! ::: INPUTS/OUTPUTS:
! :::
! ::: level => amr level of grid
! ::: time => time at which to init data
! ::: lo,hi => index limits of grid interior (cell centered)
! ::: nstate => number of state components. You should know
! ::: this already!
! ::: state <= Scalar array
! ::: delta => cell size
! ::: xlo,xhi => physical locations of lower left and upper
! ::: right hand corner of grid. (does not include
! ::: ghost region).
! ::: -----------------------------------------------------------
subroutine ca_initdata(level,time,lo,hi,nscal, &
state,state_l1,state_l2,state_h1,state_h2, &
delta,xlo,xhi)
use bl_constants_module
use probdata_module
use interpolate_module
use eos_module
use meth_params_module, only : NVAR, URHO, UMX, UMY, UEDEN, UEINT, UFS, UTEMP
use network, only: nspec
use model_parser_module
use eos_type_module
implicit none
integer level, nscal
integer lo(2), hi(2)
integer state_l1,state_l2,state_h1,state_h2
double precision xlo(2), xhi(2), time, delta(2)
double precision state(state_l1:state_h1,state_l2:state_h2,NVAR)
double precision xdist,ydist,x,y,r,upert(2)
integer i,j,n,vortex
type (eos_t) :: eos_state
do j = lo(2), hi(2)
y = xlo(2) + delta(2)*(float(j-lo(2)) + 0.5d0)
do i = lo(1), hi(1)
state(i,j,URHO) = interpolate(y,npts_model,model_r, &
model_state(:,idens_model))
state(i,j,UTEMP) = interpolate(y,npts_model,model_r, &
model_state(:,itemp_model))
do n = 1, nspec
state(i,j,UFS-1+n) = interpolate(y,npts_model,model_r, &
model_state(:,ispec_model-1+n))
enddo
eos_state%rho = state(i,j,URHO)
eos_state%T = state(i,j,UTEMP)
eos_state%xn(:) = state(i,j,UFS:)
call eos(eos_input_rt, eos_state)
state(i,j,UEINT) = eos_state%e
end do
end do
! switch to conserved quantities
do j = lo(2), hi(2)
do i = lo(1), hi(1)
state(i,j,UEDEN) = state(i,j,URHO) * state(i,j,UEINT)
state(i,j,UEINT) = state(i,j,URHO) * state(i,j,UEINT)
do n = 1,nspec
state(i,j,UFS+n-1) = state(i,j,URHO) * state(i,j,UFS+n-1)
end do
enddo
enddo
! Initial velocities
state(:,:,UMX:UMY) = 0.d0
! Now add the velocity perturbation (update the kinetic energy too)
if (apply_vel_field) then
do j = lo(2), hi(2)
y = xlo(2) + delta(2)*(float(j-lo(2)) + 0.5d0)
ydist = y - velpert_height_loc
do i = lo(1), hi(1)
x = xlo(1) + delta(1)*(float(i-lo(1)) + 0.5d0)
if (y >= shear_height_loc) then
state(:,:,UMX) = state(:,:,URHO)*shear_amplitude
state(:,:,UMY) = 0.d0
endif
upert = 0.d0
! loop over each vortex
do vortex = 1, num_vortices
xdist = x - xloc_vortices(vortex)
r = sqrt(xdist**2 + ydist**2)
upert(1) = upert(1) - (ydist/velpert_scale) * &
velpert_amplitude * exp( -r**2/(2.d0*velpert_scale**2)) &
* (-1.d0)**vortex
upert(2) = upert(2) + (xdist/velpert_scale) * &
velpert_amplitude * exp(-r**2/(2.d0*velpert_scale**2)) &
* (-1.d0)**vortex
enddo
state(i,j,UMX) = state(i,j,UMX) + state(i,j,URHO) * upert(1)
state(i,j,UMY) = state(i,j,UMY) + state(i,j,URHO) * upert(2)
state(i,j,UEDEN) = state(i,j,UEDEN) + HALF*(state(i,j,UMX)**2 + state(i,j,UMY)**2)/state(i,j,URHO)
end do
end do
endif
end subroutine ca_initdata
subroutine ca_initrad(level,time,lo,hi,nrad, &
rad_state,rad_state_l1,rad_state_l2, &
rad_state_h1,rad_state_h2, &
delta,xlo,xhi)
use probdata_module
integer level, nrad
integer lo(2), hi(2)
integer rad_state_l1,rad_state_l2
integer rad_state_h1,rad_state_h2
double precision :: xlo(2), xhi(2), time, delta(2)
double precision :: rad_state(rad_state_l1:rad_state_h1, &
rad_state_l2:rad_state_h2, nrad)
integer i,j
do j = lo(2), hi(2)
do i = lo(1), hi(1)
rad_state(i,j,:) = 0.d0
end do
end do
end subroutine ca_initrad