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4 changed files with 80 additions and 26 deletions

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@ -826,6 +826,7 @@ MODULE moduleInput
real(8):: eThreshold !Energy threshold
integer:: speciesID, electronSecondaryID
character(:), allocatable:: speciesName, crossSection, electronSecondary
integer:: s_incident
! Read models of particles
object = 'boundaries.particles'
@ -900,7 +901,12 @@ MODULE moduleInput
END IF
case('quasiNeutrality')
call initQuasiNeutrality(self)
call config%get(object // '.incident', speciesName, found)
if (.not. found) call criticalError("Incident species name not found for quasiNeutrality boundary model", 'readBoundary')
s_incident = speciesName2Index(speciesName)
call initQuasiNeutrality(self, s_incident)
CASE DEFAULT
CALL criticalError('Boundary type ' // bType // ' undefined', 'readBoundary')

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@ -137,10 +137,10 @@ module moduleMeshOutputText
write(*, "(6X,A15,A)") "Creating file: ", fileName
open (fileID, file = path // folder // '/' // fileName)
write(fileID, '(5(A,","),A)') 'Position (m)', &
'Density (m^-3)', &
'Velocity (m s^-1):0', 'Velocity (m s^-1):1', 'Velocity (m s^-1):2', &
'Temperature (K)'
write(fileID, '(5(A,","),A)') '"Position (m)"', &
'"Density (m^-3)"', &
'"Velocity (m s^-1):0"', 'Velocity (m s^-1):1"', 'Velocity (m s^-1):2"', &
'"Temperature (K)"'
call writeSpeciesOutput(self, fileID, s)
@ -206,10 +206,10 @@ module moduleMeshOutputText
write(*, "(6X,A15,A)") "Creating file: ", fileName
open (fileID, file = path // folder // '/' // fileName)
write(fileID, '(8(A,","),A)') 'Position (m)', &
'Potential (V)', &
'Electric Field (V m^-1):0', 'Electric Field (V m^-1):1', 'Electric Field (V m^-1):2', &
'Magnetic Field (T):0', 'Magnetic Field (T):1', 'Magnetic Field (T):2'
write(fileID, '(8(A,","),A)') '"Position (m)"', &
'"Potential (V)"', &
'"Electric Field (V m^-1):0"', 'Electric Field (V m^-1):1"', 'Electric Field (V m^-1):2"', &
'"Magnetic Field (T):0"', 'Magnetic Field (T):1"', 'Magnetic Field (T):2"'
call writeEMOutput(self, fileID)
@ -234,23 +234,23 @@ module moduleMeshOutputText
fileIDDeviation = 67
do s = 1, nSpecies
fileNameMean = formatFileName('Average_mean', species(s)%obj%name, 'csv', timeStep)
fileNameMean = formatFileName('Average_mean', species(s)%obj%name, 'csv')
write(*, "(6X,A15,A)") "Creating file: ", fileNameMean
open (fileIDMean, file = path // folder // '/' // fileNameMean)
write(fileIDMean, '(5(A,","),A)') 'Position (m)', &
'Density, mean (m^-3)', &
'Velocity, mean (m s^-1):0', 'Velocity (m s^-1):1', 'Velocity (m s^-1):2', &
'Temperature, mean (K)'
write(fileIDMean, '(5(A,","),A)') '"Position (m)"', &
'"Density, mean (m^-3)"', &
'"Velocity, mean (m s^-1):0"', '"Velocity (m s^-1):1"', '"Velocity (m s^-1):2"', &
'"Temperature, mean (K)"'
fileNameDeviation = formatFileName('Average_deviation', species(s)%obj%name, 'csv', timeStep)
fileNameDeviation = formatFileName('Average_deviation', species(s)%obj%name, 'csv')
write(*, "(6X,A15,A)") "Creating file: ", fileNameDeviation
open (fileIDDeviation, file = path // folder // '/' // fileNameDeviation)
write(fileIDDeviation, '(5(A,","),A)') 'Position (m)', &
'Density, deviation (m^-3)', &
'Velocity, deviation (m s^-1):0', 'Velocity (m s^-1):1', 'Velocity (m s^-1):2', &
'Temperature, deviation (K)'
write(fileIDDeviation, '(5(A,","),A)') '"Position (m)"', &
'"Density, deviation (m^-3)"', &
'"Velocity, deviation (m s^-1):0"', 'Velocity (m s^-1):1"', 'Velocity (m s^-1):2"', &
'"Temperature, deviation (K)"'
call writeAverage(self, fileIDMean, fileIDDeviation, s)

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@ -675,8 +675,9 @@ MODULE moduleMesh
end subroutine initIonization
module subroutine initQuasiNeutrality(boundary)
module subroutine initQuasiNeutrality(boundary, s_incident)
class(boundaryParticleGeneric), allocatable, intent(inout):: boundary
integer, intent(in):: s_incident
end subroutine initQuasiNeutrality
@ -762,7 +763,7 @@ MODULE moduleMesh
! Ensures quasi-neutrality by changing the reflection coefficient
type, public, extends(boundaryParticleGeneric):: boundaryQuasiNeutrality
real(8):: alpha ! Reflection parameter
real(8), allocatable:: alpha(:) ! Reflection parameter
integer:: s_incident ! species index of the incident species
type(meshEdgePointer), allocatable:: edges(:) !Array with edges
contains

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@ -95,18 +95,23 @@ submodule(moduleMesh) boundaryParticle
END SUBROUTINE initIonization
module subroutine initQuasiNeutrality(boundary)
module subroutine initQuasiNeutrality(boundary, s_incident)
implicit none
class(boundaryParticleGeneric), allocatable, intent(inout):: boundary
integer, intent(in):: s_incident
allocate(boundaryQuasiNeutrality:: boundary)
select type(boundary)
type is(boundaryQuasiNeutrality)
boundary%alpha = 0.d0
allocate(boundary%edges(0))
boundary%s_incident = s_incident
allocate(boundary%alpha(1:mesh%numEdges)) ! TODO: Change this so only the edges associated to the boundary are here
boundary%alpha = 0.d0
boundary%update => quasiNeutrality_update
end select
@ -333,7 +338,7 @@ submodule(moduleMesh) boundaryParticle
class(meshEdge), intent(inout):: edge
class(particle), intent(inout):: part
if (random() <= self%alpha) then
if (random() <= self%alpha(edge%n)) then
call genericReflection(edge, part)
else
@ -347,12 +352,54 @@ submodule(moduleMesh) boundaryParticle
implicit none
class(boundaryParticleGeneric), intent(inout):: self
integer:: e, n, s
integer, allocatable:: nodes(:)
class(meshEdge), pointer:: edge
real(8), allocatable:: density_nodes(:)
class(meshNode), pointer:: node
real(8):: density_incident, density_rest
real(8):: alpha
select type(self)
type is(boundaryQuasiNeutrality)
self%alpha = 0.1d0
do e = 1, size(self%edges)
edge => mesh%edges(e)%obj
print *, self%alpha
density_incident = 0.d0
density_rest = 0.d0
nodes = edge%getNodes(edge%nNodes)
allocate(density_nodes(1:edge%nNodes))
do s = 1, nSpecies
do n = 1, edge%nNodes
node => mesh%nodes(n)%obj
density_nodes(n) = node%output(s)%den
end do
if (s == self%s_incident) then
density_incident = edge%gatherF((/0.d0,0.d0,0.d0/), edge%nNodes, density_nodes)
else
density_rest = density_rest + edge%gatherF((/0.d0,0.d0,0.d0/), edge%nNodes, density_nodes)
end if
end do
! Correction for this time step
alpha = 1.d0 - density_incident/density_rest
! Apply correction with a factor of 0.1 to avoid fast changes
self%alpha(edge%n) = self%alpha(edge%n) + 0.1d0 * alpha
! Limit alpha between 0 and 1
self%alpha(edge%n) = min(self%alpha(edge%n), 1.d0)
self%alpha(edge%n) = max(self%alpha(edge%n), 0.d0)
deallocate(density_nodes)
end do
end select