Zero out the surface momentum flux initially

CliMA · Feb 27, 2025 · 6c58297 · 6c58297
1 parent 9dbc541
commit 6c58297
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diff --git a/src/surface_conditions/SurfaceConditions.jl b/src/surface_conditions/SurfaceConditions.jl
@@ -16,6 +16,7 @@ import ..get_wstar
 
 import ClimaCore: DataLayouts, Geometry, Fields
 import ClimaCore.Geometry: ⊗
+import ClimaCore.Utilities: half
 import SurfaceFluxes as SF
 import Thermodynamics as TD
 

diff --git a/src/surface_conditions/surface_conditions.jl b/src/surface_conditions/surface_conditions.jl
@@ -94,6 +94,13 @@ function set_dummy_surface_conditions!(p)
         @. sfc_conditions.ρ_flux_q_tot = C3(FT(0))
     end
     @. sfc_conditions.ρ_flux_h_tot = C3(FT(0))
+
+    # Zero out the surface momentum flux
+    c = p.scratch.ᶠtemp_scalar
+    # elsewhere known as 𝒢
+    sfc_local_geometry = Fields.level(Fields.local_geometry_field(c), half)
+    @. sfc_conditions.ρ_flux_uₕ =
+        tensor_from_components(0, 0, sfc_local_geometry)
 end
 
 """