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WaterModels.jl Change Log

Staged

  • nothing

v0.9.3

  • Add a make_si_units! function for transforming network data.
  • Correct per-unit transformations that were not previously being made.

v0.9.2

  • Add support for Interpolations v0.14.

v0.9.1

  • Add support for JuMP v1.0.

v0.9.0

  • Remove design constraints from multinetwork problem specifications.
  • Rename run_ methods to _solve and add deprecation warnings.
  • Add per_unit option to parse_file.
  • Update to InfrastructureModels v0.7.
  • Update to JuMP v0.22 and v0.23.
  • Increase Julia lower bound to v1.6.
  • Drop dependency on MathOptInterface.
  • Replace CBC with HiGHS in tests.
  • Replace uses of Int64 with Int for portability.

v0.8.0

  • Remove the convention of defining the number of flow partitioning points for parameterizing linearized formulations.
  • Let users define flow partitioning points for head loss and head gain functions using flow_partition entries within pipe, design pipe, and pump objects.
  • Implement a set_flow_partitions_si! function that leverages PolyhedralRelaxations.jl to partition the space of flows for pipes, design pipes, and pumps.
  • Implement per-unit conversions for network data and automatically compute per-unit transformations if not provided by the user.
  • Add new global keys for per-unit conversion factors.
  • Implement pump_group component sets that model symmetrical groups of pumps.
  • Implement symmetry-breaking constraints for symmetrical groups of pumps.
  • Refactor flow direction, pump model, and status enumerated types.
  • Implement additional constraints to ensure tank level bounds will be satisfied after an Euler step, beginning from a fixed tank level.
  • Implement constraints to model pump on and off switching limits.
  • Implement new OWF specification that includes pump switching limits.
  • Implement new functions for setting variable warm-start values.
  • Implement apply_wm!, which wraps the InfrastructureModels apply! function.
  • Remove scaled pump power variables and use direct power variables in per-unit, instead.
  • Correctly distinguish between time points and time intervals used in multinetwork formulations.
  • By default, do not convert pipes that are short to short pipes.
  • Refactor portions of the optimization-based bound tightening (OBBT) algorithm.
  • Allow for usage of OBBT on multinetwork data sets.
  • Add helper functions for relaxing select binary variables.

v0.7.0

  • Incorporate InfrastructureModels multi-infrastructure features.
  • Rename run_ methods to solve_ and add deprecation warnings.
  • Add pump models that obey linear power curves and quadratic head gain curves.
  • Improve bounds for node-attached flow variables.

v0.6.0

  • Standardized network data conventions.
  • Implemented NCD and PWLRD formulations.
  • Removed QRD and CQRD formulations.
  • Cleaned up remainder of the formulation hierarchy.
  • Modified data conventions for components, especially design pipes.

v0.5.0

  • Rename formulation types.
  • Decoupled check_valve and shutoff_valve objects from pipe objects.
  • Introduced a new valve component.
  • Introduced a new short_pipe component.
  • Renamed pressure_reducing_valve to regulator.
  • Decomposed component constraints a bit more.
  • Implemented QRD and CQRD formulations.
  • Refactored bound-tightening utility.
  • Rename junction to demand.

v0.4.0

  • Removed unnecessary dependencies.
  • Removed the link component abstraction.
  • Removed complex control logic that was not being used.
  • Refactored EPANET parser and corrected nodal attributes.
  • Fixed various bugs related to component indices.
  • Added new constraints to tighten owf formulations.
  • Added utility function for "unbinarizing" indicator variables.
  • Added utility function for optimization-based bound tightening.
  • Simplified integration tests and removed previous tests.

v0.3.0

  • Updated to InfrastructureModels v0.5.
  • Removed the Constrained Water Flow (cwf) problem specification.
  • Renamed post_ methods to build_.
  • Renamed ne (network expansion) methods to des (design).
  • Renamed NCNC formulation to NC.
  • Completed LA implementations of constraints.
  • Implemented pressure reducing valves.
  • Implemented shutoff valves.
  • Removed pump control (not operation) constraints from the Water flow (wf) problem specification.
  • Migrating experimental formulations (CNC and MICP-E) to WaterModelsAnnex.jl.

v0.2.0

  • Update to JuMP v0.21 and InfrastructureModels v0.4.
  • Update to use JuMP/MOI status values.
  • Change to a singular naming convention.
  • Add upper bounds on package dependencies.
  • Add draft Optimal Water Flow problem.
  • Add draft LA formulations.
  • Add draft LRD formulations.
  • Add draft Water Flow (wf) problem formulations.
  • Rename previous Water Flow (wf) problem formulations to Constrained Water Flow (cwf).

v0.1.0

  • Refactored nearly everything.
  • Implemented initial CNC, MICP, and NCNC models.
  • Began separating algorithmic components into WaterModelsAnnex.jl.

v0.0.1

  • Implemented global optimization algorithm for network design problems constrained by Hazen-Williams head loss physics.