Skip to content

Update transport.jl #279

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
jmcclena wants to merge 4 commits into
base: master
Choose a base branch
from
Open

Update transport.jl #279

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
b0d4d6f
Update transport.jl
jmcclena Sep 9, 2025
31ff0e6
Update transport.jl
jmcclena Sep 24, 2025
6ea3789
Update transport.jl
jmcclena Sep 30, 2025
8c9936c
Merge branch 'master' into diffusivities
jmcclena Oct 15, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 9 additions & 9 deletions src/physics/transport.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,11 +61,11 @@ If `rho_ped > transport_grid[end]` then rotation shear is linearly interpolated

If `rho_ped < transport_grid[end]` then boundary condition is at `transport_grid[end]`
"""
function profile_from_rotation_shear_transport(
function profile_from_grad(
profile_old::AbstractVector{<:Real},
rho::AbstractVector{<:Real},
transport_grid::AbstractVector{<:Real},
rotation_shear_transport_grid::AbstractVector{<:Real},
grad_transport_grid::AbstractVector{<:Real},
rho_ped::Real=0.0)

transport_indices = [IMAS.argmin_abs(rho, rho_x) for rho_x in transport_grid]
Expand All @@ -74,17 +74,17 @@ function profile_from_rotation_shear_transport(

if index_ped > index_last
# If rho_ped is beyond transport_grid[end], extend interpolation
dw_dr_old = gradient(rho, profile_old; method=:backward)
grad_old = grad(rho, profile_old; method=:backward)
transport_indices = vcat(1, transport_indices, index_ped)
rotation_shear_transport_grid = vcat(0.0, rotation_shear_transport_grid, dw_dr_old[index_ped])
grad_transport_grid = vcat(0.0, grad_transport_grid, grad_old[index_ped])
else
# If rho_ped is within transport_grid, use transport_grid[end] as boundary
transport_indices = vcat(1, transport_indices)
rotation_shear_transport_grid = vcat(0.0, rotation_shear_transport_grid)
grad_transport_grid = vcat(0.0, grad_transport_grid)
end

# Interpolate rotation shear to the integration range
dw_dr = IMAS.interp1d(transport_indices, rotation_shear_transport_grid).(1:index_last)
grad = IMAS.interp1d(transport_indices, grad_transport_grid).(1:index_last)

# Set up the profile
profile_new = similar(profile_old)
Expand All @@ -95,9 +95,9 @@ function profile_from_rotation_shear_transport(
profile_new[index_last] = profile_old[index_last]
for i in (index_last-1):-1:1
# Trapezoidal integration: negative because we integrate inward
dw_avg = (dw_dr[i] + dw_dr[i+1]) / 2.0
grad_avg = (grad[i] + grad[i+1]) / 2.0
dr = rho[i+1] - rho[i]
profile_new[i] = profile_new[i+1] - dw_avg * dr
profile_new[i] = profile_new[i+1] - grad_avg * dr
end

return profile_new
Expand Down Expand Up @@ -281,4 +281,4 @@ end


@compat public total_fluxes
push!(document[Symbol("Physics transport")], :total_fluxes)
push!(document[Symbol("Physics transport")], :total_fluxes)