feat[WIP]: Add working terminal temperatures for all streams for use …

…in terminal match feasibility tests

src/Streams/streams.jl

@@ -44,6 +44,7 @@ mutable struct ColdStream <: AbstractStream
         T_in <= T_out || error("Supply and Target temperature don't match stream type")
         mcp >= 0.0 || error("mcp values negative") # Can be zero if stream doesn't exist in one period. 
         h > smallest_value || error("values infeasible")
+        push!(add_user_data, "Working Terminal T" => T_out)
         new(name, Float64(T_in), Float64(T_out), Float64(mcp), Float64(h), add_user_data, calc)
     end 
 end

src/SubProblems/Network_generation/starting_point_generator.jl

@@ -33,10 +33,30 @@ end
 @variable(model, 0.0 <= t[all_e_tuple_vec])
 @variable(model, 0.0 <= f[stream_e_tuple_vec])
 
+# Initialize all the Working Terminal Temperatures to T_out: 
+for (k,v) in prob.all_dict
+    v = prob.all_dict["H2"]
+    push!(v.add_user_data, "Working Terminal T" => v.T_out)
+end
+
 #TODO:
-function test_terminal_match()
+
+"""
+Test if the `matching_stream` can be feasibly placed as the terminal serial heat exchanger of the `stream`
+"""
+function test_terminal_match(stream_name::String, matching_stream_name::String)
 end
 
+function _test_terminal_match(stream::Union{ColdStream}, matching_stream::Union{HotStream, SimpleHotUtility})
+end
+
+stream_name = "C2"
+matching_stream_name = "ST"
+
+stream = prob.all_dict[stream_name]
+matching_stream = prob.all_dict[matching_stream_name]
+
+
 function get_utility_match_start_vals()
 end
     utils_dict = merge(prob.cold_utilities_dict, prob.hot_utilities_dict)