tskip atmosphere grid sorting when the atmosphere grid geometry is identical to the ocean grid - Granular.jl - Julia package for granular dynamics simulation
(HTM) git clone git://src.adamsgaard.dk/Granular.jl
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---
(DIR) commit e9251cfbec42e68b3bba195c3629726ff62a1170
(DIR) parent 4ed62a69d63596911dba86daa7272127ba54ab2d
(HTM) Author: Anders Damsgaard <andersd@riseup.net>
Date: Mon, 19 Jun 2017 11:45:59 -0400
skip atmosphere grid sorting when the atmosphere grid geometry is identical to the ocean grid
Diffstat:
M src/atmosphere.jl | 7 +++++--
M src/datatypes.jl | 3 +++
M src/grid.jl | 14 ++++++++++++++
M src/simulation.jl | 8 +++++++-
M test/grid.jl | 55 +++++++++++++++++++++++++++++++
5 files changed, 84 insertions(+), 3 deletions(-)
---
(DIR) diff --git a/src/atmosphere.jl b/src/atmosphere.jl
t@@ -15,7 +15,9 @@ function createEmptyAtmosphere()
zeros(1,1,1,1),
zeros(1,1,1,1),
- Array{Array{Int, 1}}(1, 1))
+ Array{Array{Int, 1}}(1, 1),
+
+ false)
end
export interpolateAtmosphereVelocitiesToCorners
t@@ -124,7 +126,8 @@ function createRegularAtmosphereGrid(n::Array{Int, 1},
xh, yh,
zl,
u, v,
- Array{Array{Int, 1}}(size(xh, 1), size(xh, 2)))
+ Array{Array{Int, 1}}(size(xh, 1), size(xh, 2)),
+ false)
end
export addAtmosphereDrag!
(DIR) diff --git a/src/datatypes.jl b/src/datatypes.jl
t@@ -247,6 +247,9 @@ type Atmosphere
v::Array{Float64, 4}
ice_floe_list::Array{Array{Int, 1}, 2}
+
+ # If true the grid positions are identical to the ocean grid
+ collocated_with_ocean_grid::Bool
end
# Top-level simulation type
(DIR) diff --git a/src/grid.jl b/src/grid.jl
t@@ -470,3 +470,17 @@ function findEmptyPositionInGridCell(simulation::Simulation,
return false
end
end
+
+"""
+Copy ice floe related information from ocean to atmosphere grid. This is useful
+when the two grids are of identical geometry, meaning only only one sorting
+phase is necessary.
+"""
+function copyGridSortingInfo!(ocean::Ocean, atmosphere::Atmosphere,
+ icefloes::Array{IceFloeCylindrical, 1})
+
+ for icefloe in icefloes
+ icefloe.atmosphere_grid_pos = deepcopy(icefloe.ocean_grid_pos)
+ end
+ atmosphere.ice_floe_list = deepcopy(ocean.ice_floe_list)
+end
(DIR) diff --git a/src/simulation.jl b/src/simulation.jl
t@@ -118,7 +118,8 @@ function run!(simulation::Simulation;
zeroForcesAndTorques!(simulation)
- if typeof(simulation.atmosphere.input_file) != Bool
+ if typeof(simulation.atmosphere.input_file) != Bool &&
+ !simulation.atmosphere.collocated_with_ocean_grid
sortIceFloesInGrid!(simulation, simulation.atmosphere)
end
t@@ -126,6 +127,11 @@ function run!(simulation::Simulation;
sortIceFloesInGrid!(simulation, simulation.ocean)
findContacts!(simulation, method="ocean grid")
+ if simulation.atmosphere.collocated_with_ocean_grid
+ copyGridSortingInfo!(simulation.ocean, simulation.atmosphere,
+ simulation.ice_floes)
+ end
+
elseif typeof(simulation.atmosphere.input_file) != Bool
findContacts!(simulation, method="atmosphere grid")
(DIR) diff --git a/test/grid.jl b/test/grid.jl
t@@ -258,3 +258,58 @@ SeaIce.sortIceFloesInGrid!(sim, sim.ocean, verbose=verbose)
pos = SeaIce.findEmptyPositionInGridCell(sim, sim.ocean, 2, 2, 0.5,
verbose=false)
@test pos == false
+
+info("Test default sorting with ocean/atmosphere grids")
+sim = SeaIce.createSimulation()
+sim.ocean = SeaIce.createRegularOceanGrid([4, 4, 2], [4., 4., 2.])
+sim.atmosphere = SeaIce.createRegularAtmosphereGrid([4, 4, 2], [4., 4., 2.])
+SeaIce.addIceFloeCylindrical(sim, [0.5, 0.5], .1, 1., verbose=verbose)
+SeaIce.addIceFloeCylindrical(sim, [0.7, 0.7], .1, 1., verbose=verbose)
+SeaIce.addIceFloeCylindrical(sim, [2.6, 2.5], .1, 1., verbose=verbose)
+SeaIce.sortIceFloesInGrid!(sim, sim.ocean, verbose=verbose)
+SeaIce.setTimeStep!(sim)
+SeaIce.setTotalTime!(sim, 1.0)
+SeaIce.run!(sim, single_step=true, verbose=verbose)
+@test sim.ice_floes[1].ocean_grid_pos == [1, 1]
+@test sim.ice_floes[2].ocean_grid_pos == [1, 1]
+@test sim.ice_floes[3].ocean_grid_pos == [3, 3]
+@test sim.ocean.ice_floe_list[1, 1] == [1, 2]
+@test sim.ocean.ice_floe_list[2, 2] == []
+@test sim.ocean.ice_floe_list[3, 3] == [3]
+@test sim.ice_floes[1].atmosphere_grid_pos == [1, 1]
+@test sim.ice_floes[2].atmosphere_grid_pos == [1, 1]
+@test sim.ice_floes[3].atmosphere_grid_pos == [3, 3]
+@test sim.atmosphere.ice_floe_list[1, 1] == [1, 2]
+@test sim.atmosphere.ice_floe_list[2, 2] == []
+@test sim.atmosphere.ice_floe_list[3, 3] == [3]
+
+info("Test optimization when ocean/atmosphere grids are collocated")
+sim = SeaIce.createSimulation()
+sim.ocean = SeaIce.createRegularOceanGrid([4, 4, 2], [4., 4., 2.])
+sim.atmosphere = SeaIce.createRegularAtmosphereGrid([4, 4, 2], [4., 4., 2.])
+sim.atmosphere.collocated_with_ocean_grid = true
+SeaIce.addIceFloeCylindrical(sim, [0.5, 0.5], .1, 1., verbose=verbose)
+SeaIce.addIceFloeCylindrical(sim, [0.7, 0.7], .1, 1., verbose=verbose)
+SeaIce.addIceFloeCylindrical(sim, [2.6, 2.5], .1, 1., verbose=verbose)
+SeaIce.sortIceFloesInGrid!(sim, sim.ocean, verbose=verbose)
+SeaIce.setTimeStep!(sim)
+SeaIce.setTotalTime!(sim, 1.0)
+SeaIce.run!(sim, single_step=true, verbose=verbose)
+@test sim.ice_floes[1].ocean_grid_pos == [1, 1]
+@test sim.ice_floes[2].ocean_grid_pos == [1, 1]
+@test sim.ice_floes[3].ocean_grid_pos == [3, 3]
+@test sim.ocean.ice_floe_list[1, 1] == [1, 2]
+@test sim.ocean.ice_floe_list[2, 2] == []
+@test sim.ocean.ice_floe_list[3, 3] == [3]
+@test sim.ice_floes[1].atmosphere_grid_pos == [1, 1]
+@test sim.ice_floes[2].atmosphere_grid_pos == [1, 1]
+@test sim.ice_floes[3].atmosphere_grid_pos == [3, 3]
+@test sim.atmosphere.ice_floe_list[1, 1] == [1, 2]
+@test sim.atmosphere.ice_floe_list[2, 2] == []
+@test sim.atmosphere.ice_floe_list[3, 3] == [3]
+
+info("Testing ocean drag")
+sim = SeaIce.createSimulation()
+sim.ocean.u[:,:,1,1] = 5.
+SeaIce.addIceFloeCylindrical(sim, [2.5, 3.5], 1., 1., verbose=verbose)
+SeaIce.addIceFloeCylindrical(sim, [2.6, 2.5], 1., 1., verbose=verbose)