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Allow product disposal at collection centers

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This commit is contained in:
Alinson S. Xavier
2021-10-15 09:11:41 -05:00
parent ee58af73f0
commit a03b9169fd
15 changed files with 329 additions and 84 deletions
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6
src/docs/format.md
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@@ -36,6 +36,8 @@ The **products** section describes all products and subproducts in the simulatio
|`transportation energy (J/km/tonne)` | The energy required to transport this product. Must be a time series. Optional.
|`transportation emissions (tonne/km/tonne)` | A dictionary mapping the name of each greenhouse gas, produced to transport one tonne of this product along one kilometer, to the amount of gas produced (in tonnes). Must be a time series. Optional.
|`initial amounts` | A dictionary mapping the name of each location to its description (see below). If this product is not initially available, this key may be omitted. Must be a time series.
| `disposal limit (tonne)` | Total amount of product that can be disposed of across all collection centers. If omitted, all product must be processed. This parameter has no effect on product disposal at plants.
| `disposal cost ($/tonne)` | Cost of disposing one tonne of this product at a collection center. If omitted, defaults to zero. This parameter has no effect on product disposal costs at plants.
Each product may have some amount available at the beginning of each time period. In this case, the key `initial amounts` maps to a dictionary with the following keys:
@@ -73,7 +75,9 @@ Each product may have some amount available at the beginning of each time period
"transportation emissions (tonne/km/tonne)": {
"CO2": [0.052, 0.050],
"CH4": [0.003, 0.002]
}
},
"disposal cost ($/tonne)": [-10.0, -12.0],
"disposal limit (tonne)": [1.0, 1.0],
},
"P2": {
"transportation cost ($/km/tonne)": [0.022, 0.020]

1
src/docs/reports.md
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@@ -147,6 +147,7 @@ Report showing primary product amounts, locations and marginal costs. Generated
| `longitude (deg)` | Longitude of the collection center.
| `year` | What year this row corresponds to. This reports includes one row for each year.
| `amount (tonne)` | Amount of product available at this collection center.
| `amount disposed (tonne)` | Amount of product disposed of at this collection center.
| `marginal cost ($/tonne)` | Cost to process one additional tonne of this product coming from this collection center.

3
src/graph/build.jl
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@@ -18,6 +18,7 @@ function build_graph(instance::Instance)::Graph
collection_shipping_nodes = ShippingNode[]
name_to_process_node_map = Dict{Tuple{AbstractString,AbstractString},ProcessNode}()
collection_center_to_node = Dict()
process_nodes_by_input_product =
Dict(product => ProcessNode[] for product in instance.products)
@@ -27,6 +28,7 @@ function build_graph(instance::Instance)::Graph
for center in instance.collection_centers
node = ShippingNode(next_index, center, center.product, [], [])
next_index += 1
collection_center_to_node[center] = node
push!(collection_shipping_nodes, node)
end
@@ -83,6 +85,7 @@ function build_graph(instance::Instance)::Graph
collection_shipping_nodes,
arcs,
name_to_process_node_map,
collection_center_to_node,
)
end

1
src/graph/structs.jl
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@@ -33,6 +33,7 @@ mutable struct Graph
collection_shipping_nodes::Vector{ShippingNode}
arcs::Vector{Arc}
name_to_process_node_map::Dict{Tuple{AbstractString,AbstractString},ProcessNode}
collection_center_to_node::Dict{CollectionCenter,ShippingNode}
end
function Base.show(io::IO, instance::Graph)

23
src/instance/parse.jl
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@@ -37,6 +37,8 @@ function parse(json)::Instance
cost = product_dict["transportation cost (\$/km/tonne)"]
energy = zeros(T)
emissions = Dict()
disposal_limit = zeros(T)
disposal_cost = zeros(T)
if "transportation energy (J/km/tonne)" in keys(product_dict)
energy = product_dict["transportation energy (J/km/tonne)"]
@@ -46,7 +48,25 @@ function parse(json)::Instance
emissions = product_dict["transportation emissions (tonne/km/tonne)"]
end
product = Product(product_name, cost, energy, emissions)
if "disposal limit (tonne)" in keys(product_dict)
disposal_limit = product_dict["disposal limit (tonne)"]
end
if "disposal cost (\$/tonne)" in keys(product_dict)
disposal_cost = product_dict["disposal cost (\$/tonne)"]
end
prod_centers = []
product = Product(
product_name,
cost,
energy,
emissions,
disposal_limit,
disposal_cost,
prod_centers,
)
push!(products, product)
prod_name_to_product[product_name] = product
@@ -66,6 +86,7 @@ function parse(json)::Instance
product,
center_dict["amount (tonne)"],
)
push!(prod_centers, center)
push!(collection_centers, center)
end
end

3
src/instance/structs.jl
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@@ -13,6 +13,9 @@ mutable struct Product
transportation_cost::Vector{Float64}
transportation_energy::Vector{Float64}
transportation_emissions::Dict{String,Vector{Float64}}
disposal_limit::Vector{Float64}
disposal_cost::Vector{Float64}
collection_centers::Vector
end
mutable struct CollectionCenter

38
src/model/build.jl
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@@ -20,13 +20,17 @@ function create_vars!(model::JuMP.Model)
graph, T = model[:graph], model[:instance].time
model[:flow] =
Dict((a, t) => @variable(model, lower_bound = 0) for a in graph.arcs, t = 1:T)
model[:dispose] = Dict(
model[:plant_dispose] = Dict(
(n, t) => @variable(
model,
lower_bound = 0,
upper_bound = n.location.disposal_limit[n.product][t]
) for n in values(graph.plant_shipping_nodes), t = 1:T
)
model[:collection_dispose] = Dict(
(n, t) => @variable(model, lower_bound = 0,) for
n in values(graph.collection_shipping_nodes), t = 1:T
)
model[:store] = Dict(
(n, t) =>
@variable(model, lower_bound = 0, upper_bound = n.location.storage_limit)
@@ -131,14 +135,25 @@ function create_objective_function!(model::JuMP.Model)
end
end
# Shipping node costs
# Plant shipping node costs
for n in values(graph.plant_shipping_nodes), t = 1:T
# Disposal costs
add_to_expression!(
obj,
n.location.disposal_cost[n.product][t],
model[:dispose][n, t],
model[:plant_dispose][n, t],
)
end
# Collection shipping node costs
for n in values(graph.collection_shipping_nodes), t = 1:T
# Disposal costs
add_to_expression!(
obj,
n.location.product.disposal_cost[t],
model[:collection_dispose][n, t],
)
end
@@ -154,16 +169,29 @@ function create_shipping_node_constraints!(model::JuMP.Model)
for n in graph.collection_shipping_nodes
model[:eq_balance][n, t] = @constraint(
model,
sum(model[:flow][a, t] for a in n.outgoing_arcs) == n.location.amount[t]
sum(model[:flow][a, t] for a in n.outgoing_arcs) ==
n.location.amount[t] + model[:collection_dispose][n, t]
)
end
for prod in model[:instance].products
if isempty(prod.collection_centers)
continue
end
expr = AffExpr()
for center in prod.collection_centers
n = graph.collection_center_to_node[center]
add_to_expression!(expr, model[:collection_dispose][n, t])
end
@constraint(model, expr <= prod.disposal_limit[t])
end
# Plants
for n in graph.plant_shipping_nodes
@constraint(
model,
sum(model[:flow][a, t] for a in n.incoming_arcs) ==
sum(model[:flow][a, t] for a in n.outgoing_arcs) + model[:dispose][n, t]
sum(model[:flow][a, t] for a in n.outgoing_arcs) +
model[:plant_dispose][n, t]
)
end
end

36
src/model/getsol.jl
View File

@@ -39,21 +39,24 @@ function get_solution(model::JuMP.Model; marginal_costs = true)
end
# Products
if marginal_costs
for n in graph.collection_shipping_nodes
location_dict = OrderedDict{Any,Any}(
"Marginal cost (\$/tonne)" => [
round(abs(JuMP.shadow_price(model[:eq_balance][n, t])), digits = 2) for t = 1:T
],
"Latitude (deg)" => n.location.latitude,
"Longitude (deg)" => n.location.longitude,
"Amount (tonne)" => n.location.amount,
)
if n.product.name ∉ keys(output["Products"])
output["Products"][n.product.name] = OrderedDict()
end
output["Products"][n.product.name][n.location.name] = location_dict
for n in graph.collection_shipping_nodes
location_dict = OrderedDict{Any,Any}(
"Latitude (deg)" => n.location.latitude,
"Longitude (deg)" => n.location.longitude,
"Amount (tonne)" => n.location.amount,
"Dispose (tonne)" =>
[JuMP.value(model[:collection_dispose][n, t]) for t = 1:T],
)
if marginal_costs
location_dict["Marginal cost (\$/tonne)"] = [
round(abs(JuMP.shadow_price(model[:eq_balance][n, t])), digits = 2) for
t = 1:T
]
end
if n.product.name ∉ keys(output["Products"])
output["Products"][n.product.name] = OrderedDict()
end
output["Products"][n.product.name][n.location.name] = location_dict
end
# Plants
@@ -178,13 +181,14 @@ function get_solution(model::JuMP.Model; marginal_costs = true)
plant_dict["Total output"][product_name] = zeros(T)
plant_dict["Output"]["Send"][product_name] = product_dict = OrderedDict()
disposal_amount = [JuMP.value(model[:dispose][shipping_node, t]) for t = 1:T]
disposal_amount =
[JuMP.value(model[:plant_dispose][shipping_node, t]) for t = 1:T]
if sum(disposal_amount) > 1e-5
skip_plant = false
plant_dict["Output"]["Dispose"][product_name] =
disposal_dict = OrderedDict()
disposal_dict["Amount (tonne)"] =
[JuMP.value(model[:dispose][shipping_node, t]) for t = 1:T]
[JuMP.value(model[:plant_dispose][shipping_node, t]) for t = 1:T]
disposal_dict["Cost (\$)"] = [
disposal_dict["Amount (tonne)"][t] *
plant.disposal_cost[shipping_node.product][t] for t = 1:T

3
src/reports/products.jl
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@@ -13,6 +13,7 @@ function products_report(solution; marginal_costs = true)::DataFrame
df."longitude (deg)" = Float64[]
df."year" = Int[]
df."amount (tonne)" = Float64[]
df."amount disposed (tonne)" = Float64[]
df."marginal cost (\$/tonne)" = Float64[]
T = length(solution["Energy"]["Plants (GJ)"])
for (prod_name, prod_dict) in solution["Products"]
@@ -22,6 +23,7 @@ function products_report(solution; marginal_costs = true)::DataFrame
latitude = round(location_dict["Latitude (deg)"], digits = 6)
longitude = round(location_dict["Longitude (deg)"], digits = 6)
amount = location_dict["Amount (tonne)"][year]
amount_disposed = location_dict["Dispose (tonne)"][year]
push!(
df,
[
@@ -32,6 +34,7 @@ function products_report(solution; marginal_costs = true)::DataFrame
year,
amount,
marginal_cost,
amount_disposed,
],
)
end

6
src/schemas/input.json
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@@ -169,6 +169,12 @@
},
"initial amounts": {
"$ref": "#/definitions/InitialAmount"
},
"disposal limit (tonne)": {
"$ref": "#/definitions/TimeSeries"
},
"disposal cost ($/tonne)": {
"$ref": "#/definitions/TimeSeries"
}
},
"required": [

8
src/sysimage.jl
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@@ -6,23 +6,23 @@ Logging.disable_logging(Logging.Info)
mkpath("build")
printstyled("Generating precompilation statements...\n", color=:light_green)
printstyled("Generating precompilation statements...\n", color = :light_green)
run(`julia --project=. --trace-compile=build/precompile.jl $ARGS`)
printstyled("Finding dependencies...\n", color=:light_green)
printstyled("Finding dependencies...\n", color = :light_green)
project = TOML.parsefile("Project.toml")
manifest = TOML.parsefile("Manifest.toml")
deps = Symbol[]
for dep in keys(project["deps"])
if "path" in keys(manifest[dep][1])
printstyled(" skip $(dep)\n", color=:light_black)
printstyled(" skip $(dep)\n", color = :light_black)
else
println(" add $(dep)")
push!(deps, Symbol(dep))
end
end
printstyled("Building system image...\n", color=:light_green)
printstyled("Building system image...\n", color = :light_green)
create_sysimage(
deps,
precompile_statements_file = "build/precompile.jl",