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add gradient of face geopotential to cache #2618

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3 changes: 3 additions & 0 deletions src/cache/cache.jl
Original file line number Diff line number Diff line change
Expand Up @@ -114,8 +114,10 @@ function build_cache(Y, atmos, params, surface_setup, sim_info)
FT = eltype(params)

ᶜcoord = Fields.local_geometry_field(Y.c).coordinates
ᶠcoord = Fields.local_geometry_field(Y.f).coordinates
grav = FT(CAP.grav(params))
ᶜΦ = grav .* ᶜcoord.z
ᶠΦ = grav .* ᶠcoord.z

if atmos.numerics.use_reference_state
R_d = FT(CAP.R_d(params))
Expand Down Expand Up @@ -168,6 +170,7 @@ function build_cache(Y, atmos, params, surface_setup, sim_info)
core = (
ᶜΦ,
ᶠgradᵥ_ᶜΦ = ᶠgradᵥ.(ᶜΦ),
ᶜgradᵥ_ᶠΦ = ᶜgradᵥ.(ᶠΦ),
ᶜρ_ref,
ᶜp_ref,
ᶜT = similar(Y.c, FT),
Expand Down
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