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| !--------------------------------------------------------------------------! | ||
| ! The Phantom Smoothed Particle Hydrodynamics code, by Daniel Price et al. ! | ||
| ! Copyright (c) 2007-2026 The Authors (see AUTHORS) ! | ||
| ! See LICENCE file for usage and distribution conditions ! | ||
| ! http://phantomsph.github.io/ ! | ||
| !--------------------------------------------------------------------------! | ||
| module moddump | ||
| ! | ||
| ! default moddump routine: does not make any modifications | ||
| ! | ||
| ! :References: None | ||
| ! | ||
| ! :Owner: Daniel Price | ||
| ! | ||
| ! :Runtime parameters: None | ||
| ! | ||
| ! :Dependencies: None | ||
| ! | ||
| implicit none | ||
| character(len=*), parameter, public :: moddump_flags = '' | ||
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| contains | ||
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| subroutine modify_dump(npart,npartoftype,massoftype,xyzh,vxyzu) | ||
| use dim, only:use_dust,maxdusttypes,maxdustlarge,maxdustsmall,use_dustgrowth,& | ||
| update_max_sizes,isothermal | ||
| use part, only:igas,idust,ndusttypes,ndustsmall,ndustlarge,& | ||
| grainsize,graindens,dustfrac,& | ||
| nucleation,dustprop | ||
| use dust_formation, only:mass_per_H | ||
| use set_dust, only:set_dustfrac,set_dustbinfrac | ||
| use options, only:use_dustfrac,use_porosity | ||
| use growth, only:set_dustprop,convert_to_twofluid,iporosity,init_growth,ifrag,gsizemincgs,& | ||
| ivrelkin | ||
| use prompting, only:prompt | ||
| use dust, only:grainsizecgs,graindenscgs | ||
| use table_utils, only:logspace | ||
| use units, only:umass,udist | ||
| use physcon, only:rho_Cdust,a0,mc | ||
| use cooling_solver, only:excitation_HI | ||
| integer, intent(inout) :: npart | ||
| integer, intent(inout) :: npartoftype(:) | ||
| real, intent(inout) :: massoftype(:) | ||
| real, intent(inout) :: xyzh(:,:),vxyzu(:,:) | ||
| integer :: i,ierr,j,itype,ipart,iloc,dust_method,np_ratio,np_gas,np_dust,maxdust | ||
| real :: dust_to_gas,smincgs,smaxcgs,sindex,dustbinfrac(maxdusttypes),udens | ||
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Contributor
There was a problem hiding this comment. Add a declaration for |
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| real :: inradius,outradius,pwl_sizedistrib,R_ref,H_R_ref,q_index | ||
| logical :: sizedistrib | ||
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| ! cooling values | ||
| excitation_HI = 1 | ||
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Contributor
There was a problem hiding this comment. Add a defensive check to ensure that the |
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| ! dust default values | ||
| udens = umass/(udist**3) | ||
| dust_method = 1 | ||
| np_ratio = 5 | ||
| dust_to_gas = 0.01 | ||
| ndusttypes = 1 | ||
| smincgs = 1.e-5 | ||
| smaxcgs = 1. | ||
| sindex = 3.5 | ||
| dustbinfrac = 0. | ||
| pwl_sizedistrib = -2 | ||
| R_ref = 100 | ||
| H_R_ref = 0.0895 | ||
| q_index = 0.25 | ||
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| sizedistrib = .false. | ||
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| grainsizecgs = 1. !dummy | ||
| graindenscgs = 1. | ||
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| gsizemincgs = 1.e-8 | ||
| ivrelkin = 0 ! relative dust motions from 1-fluid dust velocities not yet available | ||
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| ! Interactive prompts | ||
| !call prompt('Which dust method do you want? (1=one fluid,2=two fluid)',dust_method,1,2) | ||
| dust_method = 1 | ||
| if (dust_method==1) then | ||
| maxdust = maxdustsmall | ||
| elseif (dust_method==2) then | ||
| maxdust = maxdustlarge | ||
| call prompt('Enter ratio between number of gas particles and dust particles',np_ratio,1) | ||
| !--We do not care if modulo(npart,np_ratio) is stricly zero, since npart can | ||
| ! be a weird value depdending on the simulation it comes from. | ||
| endif | ||
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| ! call prompt('Enter total dust to gas ratio',dust_to_gas,0.) computed from nuc. | ||
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| !call prompt('How many grain sizes do you want?',ndusttypes,1,maxdust) | ||
| ndusttypes = 1 | ||
| ! if (ndusttypes > 1) then !uncomment if several dust populations | ||
| ! !--grainsizes | ||
| ! call prompt('Enter minimum grain size in cm',smincgs,0.) | ||
| ! call prompt('Enter maximum grain size in cm',smaxcgs,0.) | ||
| ! !--mass distribution | ||
| ! call prompt('Enter power-law index, e.g. MRN',sindex) | ||
| ! call set_dustbinfrac(smincgs/udist,smaxcgs/udist,sindex,dustbinfrac(1:ndusttypes),grainsize(1:ndusttypes)) | ||
| ! !--grain density | ||
| ! call prompt('Enter grain density in g/cm^3',graindens(1),0.) | ||
| ! graindens = graindens(1)/udens | ||
| ! else | ||
| if (use_dustgrowth) then | ||
| ifrag = 1 | ||
| iporosity = 0 !turn on use_porosity if you change that | ||
| grainsize(1) = grainsizecgs/udist | ||
| graindens(1) = graindenscgs/udens | ||
| endif | ||
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| np_gas = npartoftype(igas) | ||
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| if (dust_method == 1) then | ||
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| use_dustfrac = .true. | ||
| ndustsmall = ndusttypes | ||
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| do i=1,np_gas | ||
| if (ndusttypes > 1) then | ||
| dustfrac(1:ndusttypes,i) = dust_to_gas*dustbinfrac(1:ndusttypes) | ||
| else | ||
| if (nucleation(5,i)<tiny(nucleation(5,i))) then | ||
| dust_to_gas = tiny(dust_to_gas) | ||
| else | ||
| dust_to_gas = nucleation(5,i) * mc / mass_per_H | ||
| endif | ||
| call set_dustfrac(dust_to_gas,dustfrac(:,i)) | ||
| endif | ||
| enddo | ||
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| massoftype(igas) = massoftype(igas)*(1. + dust_to_gas) | ||
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Contributor
There was a problem hiding this comment. In the loop over gas particles, |
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| npart = np_gas | ||
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| if (use_dustgrowth) then | ||
| call set_dustprop(npart,xyzh,sizedistrib,pwl_sizedistrib,R_ref,H_R_ref,q_index) | ||
| endif | ||
| endif | ||
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| end subroutine modify_dump | ||
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| end module moddump | ||
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In
get_dynamical_timescale, the calculation1/(xyzmh_ptmass(ivwind,1)/xyzmh_ptmass(iReff,1))can be simplified toxyzmh_ptmass(iReff,1)/xyzmh_ptmass(ivwind,1)to avoid an extra division. Additionally, we should protect against out-of-bounds array access ifnptmass < 1(by importing and checkingnptmass), and prevent division by zero ifxyzmh_ptmass(ivwind,1)is zero. Finally, the intent oftdynshould beoutrather thaninoutsince it is only written to.