| 1 | !********************************************************************** |
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| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
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| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
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| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
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| 5 | ! * |
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| 6 | ! This file is part of FLEXPART. * |
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| 7 | ! * |
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| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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| 9 | ! it under the terms of the GNU General Public License as published by* |
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| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
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| 11 | ! (at your option) any later version. * |
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| 12 | ! * |
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| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
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| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 16 | ! GNU General Public License for more details. * |
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| 17 | ! * |
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| 18 | ! You should have received a copy of the GNU General Public License * |
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| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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| 20 | !********************************************************************** |
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| 21 | |
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| 22 | subroutine init_domainfill |
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| 23 | ! |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! Initializes particles equally distributed over the first release location * |
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| 27 | ! specified in file RELEASES. This box is assumed to be the domain for doing * |
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| 28 | ! domain-filling trajectory calculations. * |
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| 29 | ! All particles carry the same amount of mass which alltogether comprises the* |
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| 30 | ! mass of air within the box. * |
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| 31 | ! * |
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| 32 | ! Author: A. Stohl * |
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| 33 | ! * |
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| 34 | ! 15 October 2002 * |
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| 35 | ! * |
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| 36 | ! CHANGES * |
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| 37 | ! 12/2014 eso: MPI version * |
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| 38 | !***************************************************************************** |
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| 39 | ! * |
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| 40 | ! Variables: * |
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| 41 | ! * |
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| 42 | ! numparticlecount consecutively counts the number of particles released * |
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| 43 | ! nx_we(2) grid indices for western and eastern boundary of domain- * |
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| 44 | ! filling trajectory calculations * |
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| 45 | ! ny_sn(2) grid indices for southern and northern boundary of domain- * |
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| 46 | ! filling trajectory calculations * |
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| 47 | ! * |
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| 48 | !***************************************************************************** |
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| 49 | ! MPI version: |
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| 50 | ! |
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| 51 | ! -Root process allocates temporary arrays holding properties for |
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| 52 | ! all particles in the simulation |
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| 53 | ! -An index array is used to assign 1st particle to 1st process, 2nd particle |
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| 54 | ! to 2nd process and so on so that they are evenly distibuted geographically |
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| 55 | ! -Inititialization for domain-filling is done as in the serial code |
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| 56 | ! -Root process distributes particles evenly to other processes |
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| 57 | ! |
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| 58 | !***************************************************************************** |
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| 59 | |
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| 60 | use point_mod |
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| 61 | use par_mod |
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| 62 | use com_mod |
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| 63 | use random_mod, only: ran1 |
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| 64 | use mpi_mod |
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| 65 | |
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| 66 | implicit none |
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| 67 | |
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| 68 | ! ncolumn_mpi,numparttot_mpi ncolumn,numparttot per process |
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| 69 | integer :: j,ix,jy,kz,ncolumn,numparttot,ncolumn_mpi,numparttot_mpi, arr_size |
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| 70 | real :: gridarea(0:nymax-1),pp(nzmax),ylat,ylatp,ylatm,hzone |
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| 71 | real :: cosfactm,cosfactp,deltacol,dz1,dz2,dz,pnew,fractus |
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| 72 | real,parameter :: pih=pi/180. |
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| 73 | real :: colmass(0:nxmax-1,0:nymax-1),colmasstotal,zposition |
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| 74 | |
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| 75 | integer :: ixm,ixp,jym,jyp,indzm,indzp,in,indzh,i,jj |
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| 76 | real :: pvpart,ddx,ddy,rddx,rddy,p1,p2,p3,p4,y1(2) |
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| 77 | |
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| 78 | integer :: idummy = -11 |
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| 79 | integer,allocatable,dimension(:) :: idx ! index array |
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| 80 | integer :: stride |
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| 81 | integer, parameter :: nullsize=0 |
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| 82 | logical :: first_call=.true. |
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| 83 | |
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| 84 | ! Use different seed for each process ! TODO: not needed anymore |
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| 85 | if (first_call) then |
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| 86 | idummy=idummy+mp_seed |
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| 87 | first_call=.false. |
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| 88 | end if |
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| 89 | |
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| 90 | ! Determine the release region (only full grid cells), over which particles |
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| 91 | ! shall be initialized |
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| 92 | ! Use 2 fields for west/east and south/north boundary |
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| 93 | !************************************************************************** |
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| 94 | |
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| 95 | nx_we(1)=max(int(xpoint1(1)),0) |
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| 96 | nx_we(2)=min((int(xpoint2(1))+1),nxmin1) |
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| 97 | ny_sn(1)=max(int(ypoint1(1)),0) |
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| 98 | ny_sn(2)=min((int(ypoint2(1))+1),nymin1) |
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| 99 | |
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| 100 | ! For global simulations (both global wind data and global domain-filling), |
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| 101 | ! set a switch, such that no boundary conditions are used |
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| 102 | !************************************************************************** |
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| 103 | if (xglobal.and.sglobal.and.nglobal) then |
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| 104 | if ((nx_we(1).eq.0).and.(nx_we(2).eq.nxmin1).and. & |
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| 105 | (ny_sn(1).eq.0).and.(ny_sn(2).eq.nymin1)) then |
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| 106 | gdomainfill=.true. |
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| 107 | else |
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| 108 | gdomainfill=.false. |
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| 109 | endif |
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| 110 | endif |
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| 111 | |
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| 112 | ! Do not release particles twice (i.e., not at both in the leftmost and rightmost |
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| 113 | ! grid cell) for a global domain |
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| 114 | !***************************************************************************** |
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| 115 | if (xglobal) nx_we(2)=min(nx_we(2),nx-2) |
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| 116 | |
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| 117 | |
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| 118 | ! This section only done by the root process |
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| 119 | !******************************************* |
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| 120 | if (lroot) then |
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| 121 | ! Arrays for particles to be released. Add a small number to npart(1) in case of |
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| 122 | ! round-off errors |
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| 123 | arr_size = npart(1) + mp_np |
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| 124 | allocate(itra1_tmp(arr_size),npoint_tmp(arr_size),nclass_tmp(arr_size),& |
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| 125 | & idt_tmp(arr_size),itramem_tmp(arr_size),itrasplit_tmp(arr_size),& |
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| 126 | & xtra1_tmp(arr_size),ytra1_tmp(arr_size),ztra1_tmp(arr_size),& |
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| 127 | & xmass1_tmp(arr_size, maxspec)) |
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| 128 | |
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| 129 | ! Index array for particles. This is to avoid having particles |
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| 130 | ! near edges of domain all on one process. |
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| 131 | !**************************************************************************** |
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| 132 | allocate(idx(npart(1))) |
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| 133 | stride = npart(1)/mp_partgroup_np |
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| 134 | |
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| 135 | jj=0 |
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| 136 | do j=1, stride |
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| 137 | do i=0, mp_partgroup_np-1 |
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| 138 | jj = jj+1 |
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| 139 | if (jj.gt.npart(1)) exit |
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| 140 | idx(jj) = i*stride+j |
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| 141 | end do |
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| 142 | end do |
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| 143 | |
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| 144 | ! Add extra indices if npart(1) not evenly divisible by number of processes |
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| 145 | do i=1, mod(npart(1),mp_partgroup_np) |
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| 146 | jj = jj+1 |
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| 147 | if (jj.gt.npart(1)) exit |
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| 148 | idx(jj) = jj |
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| 149 | end do |
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| 150 | |
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| 151 | ! Initialize all particles as non-existent |
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| 152 | itra1_tmp(:)=-999999999 |
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| 153 | |
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| 154 | ! Calculate area of grid cell with formula M=2*pi*R*h*dx/360, |
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| 155 | ! see Netz, Formeln der Mathematik, 5. Auflage (1983), p.90 |
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| 156 | !************************************************************ |
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| 157 | |
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| 158 | do jy=ny_sn(1),ny_sn(2) ! loop about latitudes |
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| 159 | ylat=ylat0+real(jy)*dy |
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| 160 | ylatp=ylat+0.5*dy |
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| 161 | ylatm=ylat-0.5*dy |
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| 162 | if ((ylatm.lt.0).and.(ylatp.gt.0.)) then |
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| 163 | hzone=1./dyconst |
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| 164 | else |
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| 165 | cosfactp=cos(ylatp*pih)*r_earth |
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| 166 | cosfactm=cos(ylatm*pih)*r_earth |
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| 167 | if (cosfactp.lt.cosfactm) then |
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| 168 | hzone=sqrt(r_earth**2-cosfactp**2)- & |
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| 169 | sqrt(r_earth**2-cosfactm**2) |
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| 170 | else |
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| 171 | hzone=sqrt(r_earth**2-cosfactm**2)- & |
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| 172 | sqrt(r_earth**2-cosfactp**2) |
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| 173 | endif |
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| 174 | endif |
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| 175 | gridarea(jy)=2.*pi*r_earth*hzone*dx/360. |
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| 176 | end do |
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| 177 | |
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| 178 | ! Do the same for the south pole |
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| 179 | |
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| 180 | if (sglobal) then |
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| 181 | ylat=ylat0 |
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| 182 | ylatp=ylat+0.5*dy |
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| 183 | ylatm=ylat |
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| 184 | cosfactm=0. |
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| 185 | cosfactp=cos(ylatp*pih)*r_earth |
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| 186 | hzone=sqrt(r_earth**2-cosfactm**2)- & |
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| 187 | sqrt(r_earth**2-cosfactp**2) |
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| 188 | gridarea(0)=2.*pi*r_earth*hzone*dx/360. |
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| 189 | endif |
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| 190 | |
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| 191 | ! Do the same for the north pole |
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| 192 | |
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| 193 | if (nglobal) then |
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| 194 | ylat=ylat0+real(nymin1)*dy |
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| 195 | ylatp=ylat |
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| 196 | ylatm=ylat-0.5*dy |
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| 197 | cosfactp=0. |
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| 198 | cosfactm=cos(ylatm*pih)*r_earth |
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| 199 | hzone=sqrt(r_earth**2-cosfactp**2)- & |
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| 200 | sqrt(r_earth**2-cosfactm**2) |
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| 201 | gridarea(nymin1)=2.*pi*r_earth*hzone*dx/360. |
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| 202 | endif |
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| 203 | |
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| 204 | |
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| 205 | ! Calculate total mass of each grid column and of the whole atmosphere |
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| 206 | !********************************************************************* |
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| 207 | |
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| 208 | colmasstotal=0. |
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| 209 | do jy=ny_sn(1),ny_sn(2) ! loop about latitudes |
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| 210 | do ix=nx_we(1),nx_we(2) ! loop about longitudes |
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| 211 | pp(1)=rho(ix,jy,1,1)*r_air*tt(ix,jy,1,1) |
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| 212 | pp(nz)=rho(ix,jy,nz,1)*r_air*tt(ix,jy,nz,1) |
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| 213 | colmass(ix,jy)=(pp(1)-pp(nz))/ga*gridarea(jy) |
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| 214 | colmasstotal=colmasstotal+colmass(ix,jy) |
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| 215 | |
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| 216 | end do |
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| 217 | end do |
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| 218 | |
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| 219 | write(*,*) 'Atm. mass: ',colmasstotal |
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| 220 | |
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| 221 | |
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| 222 | if (ipin.eq.0) numpart=0 |
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| 223 | |
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| 224 | ! Determine the particle positions |
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| 225 | !********************************* |
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| 226 | |
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| 227 | numparttot=0 |
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| 228 | numcolumn=0 |
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| 229 | do jy=ny_sn(1),ny_sn(2) ! loop about latitudes |
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| 230 | ylat=ylat0+real(jy)*dy |
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| 231 | do ix=nx_we(1),nx_we(2) ! loop about longitudes |
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| 232 | ncolumn=nint(0.999*real(npart(1))*colmass(ix,jy)/ & |
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| 233 | colmasstotal) |
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| 234 | if (ncolumn.eq.0) goto 30 |
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| 235 | if (ncolumn.gt.numcolumn) numcolumn=ncolumn |
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| 236 | |
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| 237 | ! Calculate pressure at the altitudes of model surfaces, using the air density |
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| 238 | ! information, which is stored as a 3-d field |
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| 239 | !***************************************************************************** |
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| 240 | |
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| 241 | do kz=1,nz |
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| 242 | pp(kz)=rho(ix,jy,kz,1)*r_air*tt(ix,jy,kz,1) |
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| 243 | end do |
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| 244 | |
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| 245 | |
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| 246 | deltacol=(pp(1)-pp(nz))/real(ncolumn) |
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| 247 | pnew=pp(1)+deltacol/2. |
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| 248 | jj=0 |
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| 249 | do j=1,ncolumn |
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| 250 | jj=jj+1 |
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| 251 | |
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| 252 | |
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| 253 | ! For columns with many particles (i.e. around the equator), distribute |
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| 254 | ! the particles equally, for columns with few particles (i.e. around the |
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| 255 | ! poles), distribute the particles randomly |
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| 256 | !*********************************************************************** |
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| 257 | |
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| 258 | |
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| 259 | if (ncolumn.gt.20) then |
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| 260 | pnew=pnew-deltacol |
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| 261 | else |
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| 262 | pnew=pp(1)-ran1(idummy)*(pp(1)-pp(nz)) |
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| 263 | endif |
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| 264 | |
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| 265 | do kz=1,nz-1 |
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| 266 | if ((pp(kz).ge.pnew).and.(pp(kz+1).lt.pnew)) then |
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| 267 | dz1=pp(kz)-pnew |
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| 268 | dz2=pnew-pp(kz+1) |
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| 269 | dz=1./(dz1+dz2) |
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| 270 | |
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| 271 | ! Assign particle position |
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| 272 | !************************* |
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| 273 | ! Do the following steps only if particles are not read in from previous model run |
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| 274 | !***************************************************************************** |
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| 275 | if (ipin.eq.0) then |
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| 276 | xtra1_tmp(idx(numpart+jj))=real(ix)-0.5+ran1(idummy) |
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| 277 | if (ix.eq.0) xtra1_tmp(idx(numpart+jj))=ran1(idummy) |
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| 278 | if (ix.eq.nxmin1) xtra1_tmp(idx(numpart+jj))= & |
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| 279 | real(nxmin1)-ran1(idummy) |
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| 280 | ytra1_tmp(idx(numpart+jj))=real(jy)-0.5+ran1(idummy) |
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| 281 | ztra1_tmp(idx(numpart+jj))=(height(kz)*dz2+height(kz+1)*dz1)*dz |
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| 282 | if (ztra1_tmp(idx(numpart+jj)).gt.height(nz)-0.5) & |
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| 283 | ztra1_tmp(idx(numpart+jj))=height(nz)-0.5 |
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| 284 | |
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| 285 | |
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| 286 | ! Interpolate PV to the particle position |
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| 287 | !**************************************** |
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| 288 | ixm=int(xtra1_tmp(idx(numpart+jj))) |
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| 289 | jym=int(ytra1_tmp(idx(numpart+jj))) |
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| 290 | ixp=ixm+1 |
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| 291 | jyp=jym+1 |
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| 292 | ddx=xtra1_tmp(idx(numpart+jj))-real(ixm) |
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| 293 | ddy=ytra1_tmp(idx(numpart+jj))-real(jym) |
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| 294 | rddx=1.-ddx |
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| 295 | rddy=1.-ddy |
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| 296 | p1=rddx*rddy |
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| 297 | p2=ddx*rddy |
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| 298 | p3=rddx*ddy |
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| 299 | p4=ddx*ddy |
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| 300 | do i=2,nz |
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| 301 | if (height(i).gt.ztra1_tmp(idx(numpart+jj))) then |
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| 302 | indzm=i-1 |
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| 303 | indzp=i |
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| 304 | goto 6 |
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| 305 | endif |
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| 306 | end do |
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| 307 | 6 continue |
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| 308 | dz1=ztra1_tmp(idx(numpart+jj))-height(indzm) |
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| 309 | dz2=height(indzp)-ztra1_tmp(idx(numpart+jj)) |
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| 310 | dz=1./(dz1+dz2) |
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| 311 | do in=1,2 |
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| 312 | indzh=indzm+in-1 |
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| 313 | y1(in)=p1*pv(ixm,jym,indzh,1) & |
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| 314 | +p2*pv(ixp,jym,indzh,1) & |
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| 315 | +p3*pv(ixm,jyp,indzh,1) & |
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| 316 | +p4*pv(ixp,jyp,indzh,1) |
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| 317 | end do |
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| 318 | pvpart=(dz2*y1(1)+dz1*y1(2))*dz |
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| 319 | if (ylat.lt.0.) pvpart=-1.*pvpart |
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| 320 | |
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| 321 | |
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| 322 | ! For domain-filling option 2 (stratospheric O3), do the rest only in the stratosphere |
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| 323 | !***************************************************************************** |
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| 324 | |
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| 325 | if (((ztra1_tmp(idx(numpart+jj)).gt.3000.).and. & |
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| 326 | (pvpart.gt.pvcrit)).or.(mdomainfill.eq.1)) then |
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| 327 | |
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| 328 | ! Assign certain properties to the particle |
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| 329 | !****************************************** |
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| 330 | nclass_tmp(idx(numpart+jj))=min(int(ran1(idummy)* & |
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| 331 | real(nclassunc))+1,nclassunc) |
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| 332 | numparticlecount=numparticlecount+1 |
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| 333 | npoint_tmp(idx(numpart+jj))=numparticlecount |
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| 334 | idt_tmp(idx(numpart+jj))=mintime |
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| 335 | itra1_tmp(idx(numpart+jj))=0 |
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| 336 | itramem_tmp(idx(numpart+jj))=0 |
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| 337 | itrasplit_tmp(idx(numpart+jj))=itra1_tmp(idx(numpart+jj))+ldirect* & |
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| 338 | itsplit |
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| 339 | xmass1_tmp(idx(numpart+jj),1)=colmass(ix,jy)/real(ncolumn) |
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| 340 | if (mdomainfill.eq.2) xmass1_tmp(idx(numpart+jj),1)= & |
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| 341 | xmass1_tmp(idx(numpart+jj),1)*pvpart*48./29.*ozonescale/10.**9 |
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| 342 | else |
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| 343 | jj=jj-1 |
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| 344 | endif |
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| 345 | endif |
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| 346 | endif |
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| 347 | end do |
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| 348 | end do |
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| 349 | numparttot=numparttot+ncolumn |
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| 350 | if (ipin.eq.0) numpart=numpart+jj |
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| 351 | 30 continue |
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| 352 | end do |
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| 353 | end do |
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| 354 | |
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| 355 | |
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| 356 | ! Check whether numpart is really smaller than maxpart |
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| 357 | !***************************************************** |
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| 358 | |
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| 359 | ! ESO :TODO: this warning need to be moved further up, else out-of-bounds error earlier |
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| 360 | if (numpart.gt.maxpart) then |
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| 361 | write(*,*) 'numpart too large: change source in init_atm_mass.f' |
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| 362 | write(*,*) 'numpart: ',numpart,' maxpart: ',maxpart |
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| 363 | endif |
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| 364 | |
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| 365 | |
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| 366 | xmassperparticle=colmasstotal/real(numparttot) |
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| 367 | |
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| 368 | |
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| 369 | ! Make sure that all particles are within domain |
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| 370 | !*********************************************** |
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| 371 | |
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| 372 | ! do j=1,numpart |
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| 373 | do j=1,npoint(1) |
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| 374 | if ((xtra1_tmp(j).lt.0.).or.(xtra1_tmp(j).ge.real(nxmin1)).or. & |
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| 375 | (ytra1_tmp(j).lt.0.).or.(ytra1_tmp(j).ge.real(nymin1))) then |
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| 376 | itra1_tmp(j)=-999999999 |
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| 377 | endif |
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| 378 | end do |
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| 379 | |
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| 380 | |
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| 381 | |
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| 382 | |
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| 383 | ! For boundary conditions, we need fewer particle release heights per column, |
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| 384 | ! because otherwise it takes too long until enough mass has accumulated to |
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| 385 | ! release a particle at the boundary (would take dx/u seconds), leading to |
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| 386 | ! relatively large position errors of the order of one grid distance. |
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| 387 | ! It's better to release fewer particles per column, but to do so more often. |
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| 388 | ! Thus, use on the order of nz starting heights per column. |
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| 389 | ! We thus repeat the above to determine fewer starting heights, that are |
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| 390 | ! used furtheron in subroutine boundcond_domainfill.f. |
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| 391 | !**************************************************************************** |
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| 392 | |
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| 393 | fractus=real(numcolumn)/real(nz) |
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| 394 | write(*,*) 'Total number of particles at model start: ',numpart |
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| 395 | write(*,*) 'Maximum number of particles per column: ',numcolumn |
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| 396 | write(*,*) 'If ',fractus,' <1, better use more particles' |
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| 397 | fractus=sqrt(max(fractus,1.))/2. |
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| 398 | |
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| 399 | do jy=ny_sn(1),ny_sn(2) ! loop about latitudes |
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| 400 | do ix=nx_we(1),nx_we(2) ! loop about longitudes |
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| 401 | ncolumn=nint(0.999/fractus*real(npart(1))*colmass(ix,jy) & |
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| 402 | /colmasstotal) |
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| 403 | if (ncolumn.gt.maxcolumn) stop 'maxcolumn too small' |
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| 404 | if (ncolumn.eq.0) goto 80 |
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| 405 | |
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| 406 | |
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| 407 | ! Memorize how many particles per column shall be used for all boundaries |
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| 408 | ! This is further used in subroutine boundcond_domainfill.f |
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| 409 | ! Use 2 fields for west/east and south/north boundary |
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| 410 | !************************************************************************ |
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| 411 | |
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| 412 | if (ix.eq.nx_we(1)) numcolumn_we(1,jy)=ncolumn |
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| 413 | if (ix.eq.nx_we(2)) numcolumn_we(2,jy)=ncolumn |
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| 414 | if (jy.eq.ny_sn(1)) numcolumn_sn(1,ix)=ncolumn |
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| 415 | if (jy.eq.ny_sn(2)) numcolumn_sn(2,ix)=ncolumn |
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| 416 | |
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| 417 | ! Calculate pressure at the altitudes of model surfaces, using the air density |
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| 418 | ! information, which is stored as a 3-d field |
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| 419 | !***************************************************************************** |
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| 420 | |
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| 421 | do kz=1,nz |
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| 422 | pp(kz)=rho(ix,jy,kz,1)*r_air*tt(ix,jy,kz,1) |
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| 423 | end do |
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| 424 | |
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| 425 | ! Determine the reference starting altitudes |
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| 426 | !******************************************* |
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| 427 | |
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| 428 | deltacol=(pp(1)-pp(nz))/real(ncolumn) |
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| 429 | pnew=pp(1)+deltacol/2. |
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| 430 | do j=1,ncolumn |
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| 431 | pnew=pnew-deltacol |
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| 432 | do kz=1,nz-1 |
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| 433 | if ((pp(kz).ge.pnew).and.(pp(kz+1).lt.pnew)) then |
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| 434 | dz1=pp(kz)-pnew |
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| 435 | dz2=pnew-pp(kz+1) |
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| 436 | dz=1./(dz1+dz2) |
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| 437 | zposition=(height(kz)*dz2+height(kz+1)*dz1)*dz |
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| 438 | if (zposition.gt.height(nz)-0.5) zposition=height(nz)-0.5 |
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| 439 | |
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| 440 | ! Memorize vertical positions where particles are introduced |
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| 441 | ! This is further used in subroutine boundcond_domainfill.f |
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| 442 | !*********************************************************** |
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| 443 | |
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| 444 | if (ix.eq.nx_we(1)) zcolumn_we(1,jy,j)=zposition |
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| 445 | if (ix.eq.nx_we(2)) zcolumn_we(2,jy,j)=zposition |
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| 446 | if (jy.eq.ny_sn(1)) zcolumn_sn(1,ix,j)=zposition |
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| 447 | if (jy.eq.ny_sn(2)) zcolumn_sn(2,ix,j)=zposition |
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| 448 | |
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| 449 | ! Initialize mass that has accumulated at boundary to zero |
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| 450 | !********************************************************* |
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| 451 | |
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| 452 | acc_mass_we(1,jy,j)=0. |
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| 453 | acc_mass_we(2,jy,j)=0. |
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| 454 | acc_mass_sn(1,jy,j)=0. |
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| 455 | acc_mass_sn(2,jy,j)=0. |
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| 456 | endif |
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| 457 | end do |
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| 458 | end do |
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| 459 | 80 continue |
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| 460 | end do |
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| 461 | end do |
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| 462 | |
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| 463 | ! If particles shall be read in to continue an existing run, |
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| 464 | ! then the accumulated masses at the domain boundaries must be read in, too. |
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| 465 | ! This overrides any previous calculations. |
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| 466 | !*************************************************************************** |
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| 467 | |
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| 468 | ! eso TODO: only needed for root process |
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| 469 | if (ipin.eq.1) then |
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| 470 | open(unitboundcond,file=path(2)(1:length(2))//'boundcond.bin', & |
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| 471 | form='unformatted') |
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| 472 | read(unitboundcond) numcolumn_we,numcolumn_sn, & |
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| 473 | zcolumn_we,zcolumn_sn,acc_mass_we,acc_mass_sn |
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| 474 | close(unitboundcond) |
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| 475 | endif |
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| 476 | |
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| 477 | numpart = npart(1)/mp_partgroup_np |
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| 478 | if (mod(numpart,mp_partgroup_np).ne.0) numpart=numpart+1 |
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| 479 | |
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| 480 | else ! Allocate dummy arrays for receiving processes |
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| 481 | allocate(itra1_tmp(nullsize),npoint_tmp(nullsize),nclass_tmp(nullsize),& |
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| 482 | & idt_tmp(nullsize),itramem_tmp(nullsize),itrasplit_tmp(nullsize),& |
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| 483 | & xtra1_tmp(nullsize),ytra1_tmp(nullsize),ztra1_tmp(nullsize),& |
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| 484 | & xmass1_tmp(nullsize, nullsize)) |
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| 485 | |
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| 486 | end if ! end if(lroot) |
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| 487 | |
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| 488 | |
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| 489 | ! Distribute particles to other processes (numpart is 'per-process', not total) |
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| 490 | call MPI_Bcast(numpart, 1, MPI_INTEGER, id_root, mp_comm_used, mp_ierr) |
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| 491 | ! eso TODO: xmassperparticle: not necessary to send |
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| 492 | call MPI_Bcast(xmassperparticle, 1, mp_sp, id_root, mp_comm_used, mp_ierr) |
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| 493 | call mpif_send_part_properties(numpart) |
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| 494 | |
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| 495 | ! Deallocate the temporary arrays used for all particles |
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| 496 | deallocate(itra1_tmp,npoint_tmp,nclass_tmp,idt_tmp,itramem_tmp,& |
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| 497 | & itrasplit_tmp,xtra1_tmp,ytra1_tmp,ztra1_tmp,xmass1_tmp) |
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| 498 | |
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| 499 | |
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| 500 | end subroutine init_domainfill |
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