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read_parameter_file.f90
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read_parameter_file.f90
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!=====================================================================
!
! S p e c f e m 3 D V e r s i o n 1 . 4
! ---------------------------------------
!
! Dimitri Komatitsch and Jeroen Tromp
! Seismological Laboratory - California Institute of Technology
! (c) California Institute of Technology September 2006
!
! This program is free software; you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation; either version 2 of the License, or
! (at your option) any later version.
!
! This program is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License along
! with this program; if not, write to the Free Software Foundation, Inc.,
! 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
!
!=====================================================================
subroutine read_parameter_file(LATITUDE_MIN,LATITUDE_MAX,LONGITUDE_MIN,LONGITUDE_MAX, &
UTM_X_MIN,UTM_X_MAX,UTM_Y_MIN,UTM_Y_MAX,Z_DEPTH_BLOCK, &
NER_SEDIM,NER_BASEMENT_SEDIM,NER_16_BASEMENT,NER_MOHO_16,NER_BOTTOM_MOHO, &
NEX_XI,NEX_ETA,NPROC_XI,NPROC_ETA,NTSTEP_BETWEEN_OUTPUT_SEISMOS,NSTEP,UTM_PROJECTION_ZONE,DT, &
ATTENUATION,USE_OLSEN_ATTENUATION,HARVARD_3D_GOCAD_MODEL,TOPOGRAPHY,LOCAL_PATH,NSOURCES, &
THICKNESS_TAPER_BLOCK_HR,THICKNESS_TAPER_BLOCK_MR,VP_MIN_GOCAD,VP_VS_RATIO_GOCAD_TOP,VP_VS_RATIO_GOCAD_BOTTOM, &
OCEANS,IMPOSE_MINIMUM_VP_GOCAD,HAUKSSON_REGIONAL_MODEL,ANISOTROPY, &
BASEMENT_MAP,MOHO_MAP_LUPEI,ABSORBING_CONDITIONS, &
MOVIE_SURFACE,MOVIE_VOLUME,CREATE_SHAKEMAP,SAVE_DISPLACEMENT, &
NTSTEP_BETWEEN_FRAMES,USE_HIGHRES_FOR_MOVIES,HDUR_MOVIE, &
SAVE_MESH_FILES,PRINT_SOURCE_TIME_FUNCTION,NTSTEP_BETWEEN_OUTPUT_INFO, &
SUPPRESS_UTM_PROJECTION,MODEL,USE_REGULAR_MESH,SIMULATION_TYPE,SAVE_FORWARD)
implicit none
include "constants.h"
integer NER_SEDIM,NER_BASEMENT_SEDIM,NER_16_BASEMENT,NER_MOHO_16,NER_BOTTOM_MOHO, &
NEX_XI,NEX_ETA,NPROC_XI,NPROC_ETA,NTSTEP_BETWEEN_OUTPUT_SEISMOS,NSTEP,UTM_PROJECTION_ZONE,SIMULATION_TYPE
integer NSOURCES,NTSTEP_BETWEEN_FRAMES,NTSTEP_BETWEEN_OUTPUT_INFO
double precision UTM_X_MIN,UTM_X_MAX,UTM_Y_MIN,UTM_Y_MAX,Z_DEPTH_BLOCK, UTM_MAX
double precision LATITUDE_MIN,LATITUDE_MAX,LONGITUDE_MIN,LONGITUDE_MAX,DT,HDUR_MOVIE
double precision THICKNESS_TAPER_BLOCK_HR,THICKNESS_TAPER_BLOCK_MR,VP_MIN_GOCAD,VP_VS_RATIO_GOCAD_TOP,VP_VS_RATIO_GOCAD_BOTTOM
logical HARVARD_3D_GOCAD_MODEL,TOPOGRAPHY,ATTENUATION,USE_OLSEN_ATTENUATION, &
OCEANS,IMPOSE_MINIMUM_VP_GOCAD,HAUKSSON_REGIONAL_MODEL, &
BASEMENT_MAP,MOHO_MAP_LUPEI,ABSORBING_CONDITIONS,SAVE_FORWARD
logical MOVIE_SURFACE,MOVIE_VOLUME,CREATE_SHAKEMAP,SAVE_DISPLACEMENT,USE_HIGHRES_FOR_MOVIES
logical ANISOTROPY,SAVE_MESH_FILES,PRINT_SOURCE_TIME_FUNCTION,SUPPRESS_UTM_PROJECTION,USE_REGULAR_MESH
character(len=150) LOCAL_PATH,MODEL,CMTSOLUTION
! local variables
integer ios,icounter,isource,idummy,NEX_MAX
double precision DEPTH_BLOCK_KM,RECORD_LENGTH_IN_SECONDS,hdur,minval_hdur
character(len=150) dummystring
integer, external :: err_occurred
open(unit=IIN,file='DATA/Par_file',status='old',action='read')
call read_value_integer(SIMULATION_TYPE, 'solver.SIMULATION_TYPE')
if(err_occurred() /= 0) return
call read_value_logical(SAVE_FORWARD, 'solver.SAVE_FORWARD')
if(err_occurred() /= 0) return
call read_value_double_precision(LATITUDE_MIN, 'mesher.LATITUDE_MIN')
if(err_occurred() /= 0) return
call read_value_double_precision(LATITUDE_MAX, 'mesher.LATITUDE_MAX')
if(err_occurred() /= 0) return
call read_value_double_precision(LONGITUDE_MIN, 'mesher.LONGITUDE_MIN')
if(err_occurred() /= 0) return
call read_value_double_precision(LONGITUDE_MAX, 'mesher.LONGITUDE_MAX')
if(err_occurred() /= 0) return
call read_value_double_precision(DEPTH_BLOCK_KM, 'mesher.DEPTH_BLOCK_KM')
if(err_occurred() /= 0) return
call read_value_integer(UTM_PROJECTION_ZONE, 'mesher.UTM_PROJECTION_ZONE')
if(err_occurred() /= 0) return
call read_value_logical(SUPPRESS_UTM_PROJECTION, 'mesher.SUPPRESS_UTM_PROJECTION')
if(err_occurred() /= 0) return
call read_value_integer(NEX_XI, 'mesher.NEX_XI')
if(err_occurred() /= 0) return
call read_value_integer(NEX_ETA, 'mesher.NEX_ETA')
if(err_occurred() /= 0) return
call read_value_integer(NPROC_XI, 'mesher.NPROC_XI')
if(err_occurred() /= 0) return
call read_value_integer(NPROC_ETA, 'mesher.NPROC_ETA')
if(err_occurred() /= 0) return
! convert model size to UTM coordinates and depth of mesh to meters
call utm_geo(LONGITUDE_MIN,LATITUDE_MIN,UTM_X_MIN,UTM_Y_MIN,UTM_PROJECTION_ZONE,ILONGLAT2UTM,SUPPRESS_UTM_PROJECTION)
call utm_geo(LONGITUDE_MAX,LATITUDE_MAX,UTM_X_MAX,UTM_Y_MAX,UTM_PROJECTION_ZONE,ILONGLAT2UTM,SUPPRESS_UTM_PROJECTION)
Z_DEPTH_BLOCK = - dabs(DEPTH_BLOCK_KM) * 1000.d0
! check that parameters computed are consistent
if(UTM_X_MIN >= UTM_X_MAX) stop 'horizontal dimension of UTM block incorrect'
if(UTM_Y_MIN >= UTM_Y_MAX) stop 'vertical dimension of UTM block incorrect'
! set time step and radial distribution of elements
! right distribution is determined based upon maximum value of NEX
NEX_MAX = max(NEX_XI,NEX_ETA)
UTM_MAX = max(UTM_Y_MAX-UTM_Y_MIN, UTM_X_MAX-UTM_X_MIN)/1000.0 ! in KM
call read_value_string(MODEL, 'model.name')
if(err_occurred() /= 0) return
call read_value_logical(OCEANS, 'model.OCEANS')
if(err_occurred() /= 0) return
call read_value_logical(TOPOGRAPHY, 'model.TOPOGRAPHY')
if(err_occurred() /= 0) return
call read_value_logical(ATTENUATION, 'model.ATTENUATION')
if(err_occurred() /= 0) return
call read_value_logical(USE_OLSEN_ATTENUATION, 'model.USE_OLSEN_ATTENUATION')
if(err_occurred() /= 0) return
if(dabs(DEPTH_BLOCK_KM) <= DEPTH_MOHO_SOCAL) &
stop 'bottom of mesh must be deeper than deepest regional layer for Southern California'
! standard mesh for Southern California on Caltech cluster
if (UTM_MAX/NEX_MAX >= 1.5) then
! time step in seconds
DT = 0.011d0
! number of elements in the vertical direction
NER_SEDIM = 1
NER_BASEMENT_SEDIM = 2
NER_16_BASEMENT = 2
NER_MOHO_16 = 3
NER_BOTTOM_MOHO = 3
else if(UTM_MAX/NEX_MAX >= 1.0) then
! time step in seconds
DT = 0.009d0
! number of elements in the vertical direction
NER_SEDIM = 1
NER_BASEMENT_SEDIM = 2
NER_16_BASEMENT = 3
NER_MOHO_16 = 4
NER_BOTTOM_MOHO = 7
else
stop 'this value of NEX_MAX is not in the database, edit read_parameter_file.f90 and recompile'
endif
! multiply parameters read by mesh scaling factor
NER_BASEMENT_SEDIM = NER_BASEMENT_SEDIM * 2
NER_16_BASEMENT = NER_16_BASEMENT * 2
NER_MOHO_16 = NER_MOHO_16 * 2
NER_BOTTOM_MOHO = NER_BOTTOM_MOHO * 4
if(MODEL == 'SoCal') then
BASEMENT_MAP = .false.
MOHO_MAP_LUPEI = .false.
HAUKSSON_REGIONAL_MODEL = .false.
HARVARD_3D_GOCAD_MODEL = .false.
THICKNESS_TAPER_BLOCK_HR = 1.d0
THICKNESS_TAPER_BLOCK_MR = 1.d0
IMPOSE_MINIMUM_VP_GOCAD = .false.
VP_MIN_GOCAD = 1.d0
VP_VS_RATIO_GOCAD_TOP = 2.0d0
VP_VS_RATIO_GOCAD_BOTTOM = 1.732d0
ANISOTROPY = .false.
USE_REGULAR_MESH = .false.
else if(MODEL == 'Harvard_LA') then
BASEMENT_MAP = .true.
MOHO_MAP_LUPEI = .true.
HAUKSSON_REGIONAL_MODEL = .true.
HARVARD_3D_GOCAD_MODEL = .true.
THICKNESS_TAPER_BLOCK_HR = 3000.d0
THICKNESS_TAPER_BLOCK_MR = 15000.d0
IMPOSE_MINIMUM_VP_GOCAD = .true.
VP_MIN_GOCAD = 750.d0
VP_VS_RATIO_GOCAD_TOP = 2.0d0
VP_VS_RATIO_GOCAD_BOTTOM = 1.732d0
ANISOTROPY = .false.
USE_REGULAR_MESH = .false.
else if(MODEL == 'Min_Chen_anisotropy') then
BASEMENT_MAP = .false.
MOHO_MAP_LUPEI = .false.
HAUKSSON_REGIONAL_MODEL = .false.
HARVARD_3D_GOCAD_MODEL = .false.
THICKNESS_TAPER_BLOCK_HR = 1.d0
THICKNESS_TAPER_BLOCK_MR = 1.d0
IMPOSE_MINIMUM_VP_GOCAD = .false.
VP_MIN_GOCAD = 1.d0
VP_VS_RATIO_GOCAD_TOP = 2.0d0
VP_VS_RATIO_GOCAD_BOTTOM = 1.732d0
ANISOTROPY = .true.
USE_REGULAR_MESH = .false.
else
stop 'model not implemented, edit read_parameter_file.f90 and recompile'
endif
! check that Poisson's ratio is positive
if(VP_VS_RATIO_GOCAD_TOP <= sqrt(2.d0) .or. VP_VS_RATIO_GOCAD_BOTTOM <= sqrt(2.d0)) &
stop 'wrong value of Poisson''s ratio for Gocad Vs block'
call read_value_logical(ABSORBING_CONDITIONS, 'solver.ABSORBING_CONDITIONS')
if(err_occurred() /= 0) return
call read_value_double_precision(RECORD_LENGTH_IN_SECONDS, 'solver.RECORD_LENGTH_IN_SECONDS')
if(err_occurred() /= 0) return
! compute total number of time steps, rounded to next multiple of 100
NSTEP = 100 * (int(RECORD_LENGTH_IN_SECONDS / (100.d0*DT)) + 1)
! compute the total number of sources in the CMTSOLUTION file
! there are NLINES_PER_CMTSOLUTION_SOURCE lines per source in that file
call get_value_string(CMTSOLUTION, 'solver.CMTSOLUTION', 'DATA/CMTSOLUTION')
open(unit=1,file=CMTSOLUTION,iostat=ios,status='old',action='read')
if(ios /= 0) stop 'error opening CMTSOLUTION file'
icounter = 0
do while(ios == 0)
read(1,"(a)",iostat=ios) dummystring
if(ios == 0) icounter = icounter + 1
enddo
close(1)
if(mod(icounter,NLINES_PER_CMTSOLUTION_SOURCE) /= 0) &
stop 'total number of lines in CMTSOLUTION file should be a multiple of NLINES_PER_CMTSOLUTION_SOURCE'
NSOURCES = icounter / NLINES_PER_CMTSOLUTION_SOURCE
if(NSOURCES < 1) stop 'need at least one source in CMTSOLUTION file'
call read_value_logical(MOVIE_SURFACE, 'solver.MOVIE_SURFACE')
if(err_occurred() /= 0) return
call read_value_logical(MOVIE_VOLUME, 'solver.MOVIE_VOLUME')
if(err_occurred() /= 0) return
call read_value_integer(NTSTEP_BETWEEN_FRAMES, 'solver.NTSTEP_BETWEEN_FRAMES')
if(err_occurred() /= 0) return
call read_value_logical(CREATE_SHAKEMAP, 'solver.CREATE_SHAKEMAP')
if(err_occurred() /= 0) return
call read_value_logical(SAVE_DISPLACEMENT, 'solver.SAVE_DISPLACEMENT')
if(err_occurred() /= 0) return
call read_value_logical(USE_HIGHRES_FOR_MOVIES, 'solver.USE_HIGHRES_FOR_MOVIES')
if(err_occurred() /= 0) return
call read_value_double_precision(HDUR_MOVIE, 'solver.HDUR_MOVIE')
if(err_occurred() /= 0) return
! computes a default hdur_movie that creates nice looking movies.
! Sets HDUR_MOVIE as the minimum period the mesh can resolve for Southern California model
if(HDUR_MOVIE <=TINYVAL .and. (MODEL == 'Harvard_LA' .or. MODEL == 'SoCal')) &
HDUR_MOVIE = max(384/NEX_XI*2.4,384/NEX_ETA*2.4)
! compute the minimum value of hdur in CMTSOLUTION file
open(unit=1,file=CMTSOLUTION,status='old',action='read')
minval_hdur = HUGEVAL
do isource = 1,NSOURCES
! skip other information
do idummy = 1,3
read(1,"(a)") dummystring
enddo
! read half duration and compute minimum
read(1,"(a)") dummystring
read(dummystring(15:len_trim(dummystring)),*) hdur
minval_hdur = min(minval_hdur,hdur)
! skip other information
do idummy = 1,9
read(1,"(a)") dummystring
enddo
enddo
close(1)
! one cannot use a Heaviside source for the movies
! if((MOVIE_SURFACE .or. MOVIE_VOLUME) .and. sqrt(minval_hdur**2 + HDUR_MOVIE**2) < TINYVAL) &
! stop 'hdur too small for movie creation, movies do not make sense for Heaviside source'
call read_value_logical(SAVE_MESH_FILES, 'mesher.SAVE_MESH_FILES')
if(err_occurred() /= 0) return
call read_value_string(LOCAL_PATH, 'LOCAL_PATH')
if(err_occurred() /= 0) return
call read_value_integer(NTSTEP_BETWEEN_OUTPUT_INFO, 'solver.NTSTEP_BETWEEN_OUTPUT_INFO')
if(err_occurred() /= 0) return
call read_value_integer(NTSTEP_BETWEEN_OUTPUT_SEISMOS, 'solver.NTSTEP_BETWEEN_OUTPUT_SEISMOS')
if(err_occurred() /= 0) return
call read_value_logical(PRINT_SOURCE_TIME_FUNCTION, 'solver.PRINT_SOURCE_TIME_FUNCTION')
if(err_occurred() /= 0) return
! close parameter file
close(IIN)
end subroutine read_parameter_file