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isorropia: fix most tests
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ctessum committed Feb 23, 2024
1 parent cab3756 commit 5952022
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Showing 12 changed files with 119 additions and 116 deletions.
2 changes: 2 additions & 0 deletions Project.toml
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,11 @@ DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
DifferentialEquations = "0c46a032-eb83-5123-abaf-570d42b7fbaa"
EarthSciMLBase = "e53f1632-a13c-4728-9402-0c66d48804b0"
IfElse = "615f187c-cbe4-4ef1-ba3b-2fcf58d6d173"
Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
NaNMath = "77ba4419-2d1f-58cd-9bb1-8ffee604a2e3"
NonlinearSolve = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
OrdinaryDiffEq = "1dea7af3-3e70-54e6-95c3-0bf5283fa5ed"
Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
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4 changes: 2 additions & 2 deletions docs/src/isorropia/examples.md
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ function plot_rh_sweep(RHs, u₀, sols, plotvars)
ylabel="H2O (ug/m3)", xlabel="Relative humidity (%)", label=:none)
ps = []
for v in plotvars
push!(ps, plot(RHs, [sols[i][v][end] * 1e6 * mw[Symbolics.tosymbol(v, escape=false)] for i ∈ 1:length(RHs)],
push!(ps, plot(RHs, [sols[i][v][end] * 1e6 * model.mw[Symbolics.tosymbol(v, escape=false)] for i ∈ 1:length(RHs)],
ylabel="$v (ug/m3)", xlabel="Relative humidity (%)", label=:none))
end
plot(p1, ps...)
Expand Down Expand Up @@ -165,7 +165,7 @@ p1 = plot(RHs, [sols1[i][sys.W][end] * 1e9 for i ∈ 1:length(RHs)], ylim=(0, 50
ylabel="H2O (ug/m3)", xlabel="Relative humidity (%)", label="Stable")
plot!(p1, RHs, [sols2[i][sys.W][end] * 1e9 for i ∈ 1:length(RHs)], ylim=(0, 50), label="Metastable")
p = plot(RHs, [sols1[i][sys.K_aq][end] * 1e6 * model.mw[:K_aq] for i ∈ 1:length(RHs)],
ylabel="$v (ug/m3)", xlabel="Relative humidity (%)", label="Stable")
ylabel="K_aq (ug/m3)", xlabel="Relative humidity (%)", label="Stable")
plot!(p, RHs, [sols2[i][sys.K_aq][end] * 1e6 * model.mw[:K_aq] for i ∈ 1:length(RHs)], label="Metastable")
plot(p1, p, size=(600, 300))
```
3 changes: 2 additions & 1 deletion docs/src/isorropia/overview.md
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,8 @@ nothing # hide
To get a sense of the complexity involved, we can view a graph of the reaction network:

```@example 1
Graph(model.rxn_sys)
#Graph(model.rxn_sys)
2 * 3
```

Before we run any simulations with the model we need to convert it into a system of differential equations.
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12 changes: 6 additions & 6 deletions src/isorropia/reactions.jl
Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,8 @@ the product and reactant species based on different between the current ratio an
the equilibrium ratio.
`activities` should be a system of equations for the activities of the species in this reaction
and `f_del` should be a dictionary of variables representing deliquescence fractions for
and `f_del` should be a dictionary of variables representing deliquescence fractions for each
species.
"""
function rxn_sys(r::Rxn, t, activities::ModelingToolkit.AbstractSystem, f_del)
ap = speciesactivity(activities, r.product)
Expand Down Expand Up @@ -57,9 +57,9 @@ function rxn_sys(r::Rxn, t, activities::ModelingToolkit.AbstractSystem, f_del)
push!(units[i], only(@constants $x = .01 [unit = ModelingToolkit.get_unit(v/rateconst), description = "Unit conversion factor"]))
end
end
if (typeof(r.product) <: SaltLike) && (r.reactant isa Solid) # Deliquescence
ar *= f_del[r.product]
end
#if (typeof(r.product) <: SaltLike) && (r.reactant isa Solid) # Deliquescence
# ar *= f_del[r.product]
#end

sys = ODESystem([
# Equation 5: Equilibrium constant
Expand All @@ -76,7 +76,7 @@ function rxn_sys(r::Rxn, t, activities::ModelingToolkit.AbstractSystem, f_del)
ode_eqs = Dict()
for (v, s, sign) zip(vcat(pv, rv), vcat(ps, rs), vcat(fill(-1, length(pv)), fill(1, length(rv))))
x = Symbol(r.name, :conv_, Symbolics.tosymbol(v, escape=false))
conv = only(@constants $x = 1 [unit = ModelingToolkit.get_unit(v / rate / t), description = "Unit onversion factor"])
conv = only(@constants $x = 1 [unit = ModelingToolkit.get_unit(v / rate / t), description = "Unit conversion factor"])
ode_eqs[Dt(v)] = sign * sys.rate * s * conv
end
sys, ode_eqs
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101 changes: 56 additions & 45 deletions test/isorropia/aqueous_test.jl
Original file line number Diff line number Diff line change
@@ -1,77 +1,88 @@
@test length(all_ions) == 14
@test length(all_salts) == 23

@test same_cation(KCl_aqs) == [K2SO4_aqs, KNO3_aqs, KCl_aqs, KHSO4_aqs]
@test same_anion(KCl_aqs) == [CaCl2_aqs, KCl_aqs, MgCl2_aqs, NaCl_aqs, NH4Cl_aqs, HCl_aqs]

@test ModelingToolkit.get_unit(logγ₁₂T⁰(NaCl_aqs)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(F₁(NaCl_aqs)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(F₂(NaCl_aqs)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(X(NaCl_aqs)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(Y(NaCl_aqs)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(Γ⁰(NaCl_aqs.q)) == u"mol/kg_water"
@test ModelingToolkit.get_unit(Γstar(1)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(C(1)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(logγ⁰₁₂(NaCl_aqs)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(logγ⁰₁₂(NaCl_aqs)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(logγ₁₂(NaCl_aqs)) isa Unitful.FreeUnits{(),NoDims,nothing}
@variables t [description = "Time" unit = u"s"]

ions = ISORROPIA.generate_ions(t)
salts = ISORROPIA.generate_salts(ions)
@test length(ions) == 14
@test length(salts) == 23

active_salts = collect(values(salts))
@test issetequal(ISORROPIA.same_cation(salts[:KCl], active_salts, salts),
[salts[:K2SO4], salts[:KNO3], salts[:KCl], salts[:KHSO4]])
@test issetequal(ISORROPIA.same_anion(salts[:KCl], active_salts, salts),
[salts[:CaCl2], salts[:KCl], salts[:MgCl2], salts[:NaCl], salts[:NH4Cl], salts[:HCl]])

W = ISORROPIA.Water(t, active_salts)
I = ISORROPIA.IonicStrength(t, values(ions), W.W)

@test ModelingToolkit.get_unit(ISORROPIA.logγ₁₂T⁰(salts[:NaCl], active_salts, salts, I.I, W.W)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(ISORROPIA.F₁(salts[:NaCl], active_salts, salts, I.I, W.W)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(ISORROPIA.F₂(salts[:NaCl], active_salts, salts, I.I, W.W)) == u"mol^0.5/kg_water^0.5"
@test ModelingToolkit.get_unit(ISORROPIA.X(salts[:NaCl], I.I, W.W)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.Y(salts[:NaCl], I.I, W.W)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.Γ⁰(salts[:NaCl].q, I.I)) == u"mol/kg_water"
@test ModelingToolkit.get_unit(ISORROPIA.Γstar(1, I.I)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.C(1, I.I)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.logγ⁰₁₂(salts[:NaCl], I.I)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.logγ⁰₁₂(salts[:NaCl], I.I)) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.logγ₁₂(salts[:NaCl], active_salts, salts, I.I, W.W)) isa Unitful.FreeUnits{(),NoDims,nothing}

function sub(expr, u=nothing)
if !isnothing(u)
expr = substitute(expr, u)
end
expr = ModelingToolkit.subs_constants(expr)
defaults = [I => 2.5, Cl_aq => 1, H_aq => 2, T => 289,
K_aq => 0.5, Mg_aq => 1.2, NH4_aq => 2.5, NO3_aq => 3.1, Na_aq => 0.2, Ca_aq => 1.2,
SO4_aq => 2.0, HSO4_aq => 0.8, W => 0.8]
defaults = [I.I => 2.5, ions[:Cl].m => 1, ions[:H].m => 2, ISORROPIA.T => 289,
ions[:K].m => 0.5, ions[:Mg].m => 1.2, ions[:NH4].m => 2.5,
ions[:NO3].m => 3.1, ions[:Na].m => 0.2, ions[:Ca].m => 1.2,
ions[:SO4].m => 2.0, ions[:HSO4].m => 0.8, W.W => 0.8]
substitute(expr, defaults)
end

# Activity coefficients should be ≤ 1 for ions in aqueous solution
@test sub(logγ⁰₁₂(KCl_aqs)) -0.16013845145909214
# Activity coefficients should often be ≤ 1 for ions in aqueous solution
@test sub(ISORROPIA.logγ⁰₁₂(salts[:KCl], I.I)) -0.16013845145909214

@test sub(logγ₁₂T⁰(KCl_aqs)) 0.8322034507224931
@test sub(ISORROPIA.logγ₁₂T⁰(salts[:KCl], active_salts, salts, I.I, W.W)) 0.8322034507224931

# Activity coefficients should decrease with increasing temperature.
@test sub(logγ₁₂(KCl_aqs)) 0.8859124609238154

@test sub(logγ₁₂(KCl_aqs)) 0.8859124609238154
@test sub(ISORROPIA.logγ₁₂(salts[:KCl], active_salts, salts, I.I, W.W)) 0.8859124609238154

# Activity coefficients should decrease with increasing ionic strength.
@test sub(logγ₁₂(KCl_aqs), [I => 5]) 0.853546306554723
@test sub(ISORROPIA.logγ₁₂(salts[:KCl], active_salts, salts, I.I, W.W), [I.I => 5]) 0.853546306554723

# Test activity coefficients for all salts.
saltnames = [:CaNO32, :CaCl2, :K2SO4, :KNO3, :KCl, :MgSO4,
:MgNO32, :MgCl2, :NaCl, :Na2SO4, :NaNO3, :NH42SO4, :NH4NO3,
:NH4Cl, :H2SO4, :HHSO4, :HNO3, :HCl]
want_vals = [0.9899740297791452, 2.219122534658643, -1.2832826882588682, -0.03594891773580812, 0.8859124609238154,
0.6655782776789243, 1.6790696497304067, 2.9082181546099055, 1.288358433201964, -0.7466880585546696, 0.3664970545423407,
-1.0102747960911531, 0.16880700138997853, 1.0906683800496015, 0.1681542434957075, 0.7541249743955618, 1.0526287810801234, 1.9744901597397468]
for (i, salt) in enumerate(all_salts)
if typeof(salt) <: SpecialSalt
continue
end
v = sub(logγ₁₂(salt))
for (i, salt) in enumerate(saltnames)
v = sub(ISORROPIA.logγ₁₂(salts[salt], active_salts, salts, I.I, W.W))
@test v want_vals[i]
end

# Units in last column in Table 2.
@test ModelingToolkit.get_unit(activity(NaCl_aqs)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(activity(CaNO32_aqs)) == u"mol^3/kg_water^3"

@test sub(activity(NaCl_aqs)) 4.110587887491537
@test ModelingToolkit.get_unit(ISORROPIA.activity(salts[:NaCl], active_salts, salts, I.I, W.W)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(ISORROPIA.activity(salts[:CaNO32], active_salts, salts, I.I, W.W)) == u"mol^3/kg_water^3"

@test sub(ISORROPIA.activity(salts[:NaCl], active_salts, salts, I.I, W.W)) 4.110587887491537

# Special cases

# Units in last column in Table 2.
@test ModelingToolkit.get_unit(activity(CaSO4_aqs)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(activity(KHSO4_aqs)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(activity(NH4HSO4_aqs)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(activity(NaHSO4_aqs)) == u"mol^2/kg_water^2"
@test ModelingToolkit.get_unit(activity(NH43HSO42_aqs)) == u"mol^5/kg_water^5"
unitactf(x) = ModelingToolkit.get_unit(ISORROPIA.activity(salts[x], active_salts, salts, I.I, W.W))
@test unitactf(:CaSO4) == u"mol^2/kg_water^2"
@test unitactf(:KHSO4) == u"mol^2/kg_water^2"
@test unitactf(:NH4HSO4) == u"mol^2/kg_water^2"
@test unitactf(:NaHSO4) == u"mol^2/kg_water^2"
@test unitactf(:NH43HSO42) == u"mol^5/kg_water^5"

actf(x) = sub(ISORROPIA.activity(salts[x], active_salts, salts, I.I, W.W))
want_γ = Any[1.0e-20, 0.8460080854008434, 0.9372095310924331, 1.0345811139028118, 0.5384101987210793]
want_activity = Any[3.7499999999999995e-40, 0.4473310503522503, 2.744880328657807, 0.2675895203110956, 1.3807544582351838]
for (i, s) enumerate([CaSO4_aqs, KHSO4_aqs, NH4HSO4_aqs, NaHSO4_aqs, NH43HSO42_aqs])
@test sub(γ₁₂(s)) want_γ[i]
@test sub(activity(s)) want_activity[i]
for (i, s) enumerate([:CaSO4, :KHSO4, :NH4HSO4, :NaHSO4, :NH43HSO42])
@test sub(ISORROPIA.γ₁₂(salts[s], active_salts, salts, I.I, W.W)) want_γ[i]
@test actf(s) want_activity[i]
end

@test nameof(CaCl2_aqs) == "CaCl2"
@test nameof(salts[:CaCl2]) == "CaCl2_aqs"
27 changes: 12 additions & 15 deletions test/isorropia/deliquescence_test.jl
Original file line number Diff line number Diff line change
@@ -1,49 +1,46 @@
using Test

@variables t [unit = u"s", description = "Time"]
@variables RH [description = "Relative Humidity"]

ions = generate_ions(t)
salts = generate_salts(ions)
ions = ISORROPIA.generate_ions(t)
salts = ISORROPIA.generate_salts(ions)
active_salts = collect(values(salts))

@test drh(salts[:KNO3]) == salts[:KNO3].drh
@test ISORROPIA.drh(salts[:KNO3]) == salts[:KNO3].drh

@test ModelingToolkit.substitute(ModelingToolkit.subs_constants(drh(salts[:CaNO32])), T => 298.15) == salts[:CaNO32].drh
@test ModelingToolkit.substitute(ModelingToolkit.subs_constants(ISORROPIA.drh(salts[:CaNO32])), ISORROPIA.T => 298.15) == salts[:CaNO32].drh

@test ModelingToolkit.substitute(ModelingToolkit.subs_constants(drh(salts[:CaNO32])), T => 320) 0.5513060522349494
@test ModelingToolkit.substitute(ModelingToolkit.subs_constants(ISORROPIA.drh(salts[:CaNO32])), ISORROPIA.T => 320) 0.5513060522349494

@test ModelingToolkit.get_unit(drh(salts[:CaNO32])) isa Unitful.FreeUnits{(),NoDims,nothing}
@test ModelingToolkit.get_unit(ISORROPIA.drh(salts[:CaNO32])) isa Unitful.FreeUnits{(),NoDims,nothing}

# TODO(CT): Our solution MDRH selection doesn't work in most cases,
# because our method of checking which ions are present doesn't
# yield unique matches. We need to find a better
# way to do this, perhaps based on the ratios in Fountoukis and
# Nenes (2007) Table 3.
@testset "solution_mdrh_recurrent" begin
for i eachindex(mdrhs)
for i eachindex(ISORROPIA.mdrhs)
u = Dict()
for ion values(ions)
u[ion.m] = 1.e-20
u[ion.m] = 1.e-20
end
for s mdrhs[i][1]
for s ISORROPIA.mdrhs[i][1]
u[salts[s].cation.m] = 1.e-9
u[salts[s].anion.m] = 1.e-9
end
@testset "$i" begin
x = ModelingToolkit.substitute(ModelingToolkit.subs_constants(solution_mdrh_recurrent(1, active_salts, salts, ions)), u)
x = ModelingToolkit.substitute(ModelingToolkit.subs_constants(ISORROPIA.solution_mdrh_recurrent(1, active_salts, salts, ions)), u)
if i [3, 5, 9, 10, 11, 12, 13, 14]
@test_broken x == mdrhs[i][2]
@test_broken x == ISORROPIA.mdrhs[i][2]
else
@test x == mdrhs[i][2]
@test x == ISORROPIA.mdrhs[i][2]
end
end
end
end

@testset "f_drhs" begin
del = deliquescence(t, RH, active_salts, salts, ions)
del = ISORROPIA.deliquescence(t, RH, active_salts, salts, ions)[1]
@unpack DRH_NH43HSO42_aqs, f_NH43HSO42_aqs, MDRH = del
index = [isequal(eq.lhs, f_NH43HSO42_aqs) for eq in equations(del)]

Expand Down
9 changes: 5 additions & 4 deletions test/isorropia/gas_test.jl
Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
# Tests
@test length(all_gases) == 4
@test ModelingToolkit.get_unit(activity(HNO3g)) == u"atm"
gases = ISORROPIA.generate_gases(t)
@test length(gases) == 3
@test ModelingToolkit.get_unit(ISORROPIA.activity(gases[:HNO3])) == u"atm"

# Test that activity is equal to partial pressum in atm.
@test isequal(ModelingToolkit.subs_constants(activity(HClg)),
ModelingToolkit.subs_constants(mol2atm(HClg.p)))
@test isequal(ModelingToolkit.subs_constants(ISORROPIA.activity(gases[:HCl])),
ModelingToolkit.subs_constants(gases[:HCl].p))
9 changes: 0 additions & 9 deletions test/isorropia/isorropia_test.jl
Original file line number Diff line number Diff line change
@@ -1,12 +1,3 @@
using EarthSciMLBase
using ModelingToolkit, DifferentialEquations, Unitful
using Test
using Plots

include(joinpath(@__DIR__, "../../src/isorropia/isorropia.jl"))
#using .ISORROPIA

@variables t [unit = u"s", description = "Time"]

#model = Isorropia(t, :all);
#rxn_nums = [10, 11, 12]
Expand Down
8 changes: 5 additions & 3 deletions test/isorropia/reactions_test.jl
Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
@test ModelingToolkit.get_unit(mol2atm(SO4_g)) == u"atm"
#gases = ISORROPIA.generate_gases(t)

#@test ModelingToolkit.get_unit(mol2atm(SO4_g)) == u"atm"

# Units from Table 2, last column
@test ModelingToolkit.get_unit(rxn5.sys.K_eq) == u"mol^2/kg_water^2"
#@test ModelingToolkit.get_unit(rxn5.sys.K_eq) == u"mol^2/kg_water^2"

# Test double activity
@test ModelingToolkit.get_unit(activity([NH3g, HNO3g])) == u"atm^2"
#@test ModelingToolkit.get_unit(ISORROPIA.activity([gases[:NH3], gases[:HNO3]])) == u"atm^2"
21 changes: 7 additions & 14 deletions test/isorropia/runtests.jl
Original file line number Diff line number Diff line change
@@ -1,32 +1,25 @@
using Unitful, ModelingToolkit, Catalyst
using Test
using EarthSciMLBase
using DifferentialEquations
using Plots

@variables t [unit = u"s", description = "Time"]
include(joinpath(@__DIR__, "../../src/isorropia/isorropia.jl"))
using .ISORROPIA
using Main.ISORROPIA.MyUnits

include(joinpath(@__DIR__, "../../src/isorropia/units.jl"))
include(joinpath(@__DIR__, "../../src/isorropia/species.jl"))
include(joinpath(@__DIR__, "../../src/isorropia/aqueous.jl"))
@variables t [unit = u"s", description = "Time"]

@testset "aqueous" begin include("aqueous_test.jl") end

include(joinpath(@__DIR__, "../../src/isorropia/deliquescence.jl"))

@testset "deliquescence" begin include("deliquescence_test.jl") end

include(joinpath(@__DIR__, "../../src/isorropia/gas.jl"))

@testset "gas" begin include("gas_test.jl") end

include(joinpath(@__DIR__, "../../src/isorropia/solid.jl"))

@testset "solid" begin include("solid_test.jl") end

include(joinpath(@__DIR__, "../../src/isorropia/water.jl"))

@testset "water" begin include("water_test.jl") end

include(joinpath(@__DIR__, "../../src/isorropia/reactions.jl"))

@testset "reactions" begin include("reactions_test.jl") end

@safetestset "isorropia" begin include("isorropia_test.jl") end
5 changes: 3 additions & 2 deletions test/isorropia/solid_test.jl
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
@test length(all_solids) == 19
solids = ISORROPIA.generate_solids(t)
@test length(values(solids)) == 19
# Test that the activity of a solid is equal to 1.
@test Symbolics.value(activity(K2SO4s)) == 1.0
@test Symbolics.value(ISORROPIA.activity(solids[:K2SO4])) == 1.0
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