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Superior Lake Optimization Report 2011-2012

This report discusses the Optimization work on Superior Lake from December 12, 2011, to April 5, 2012. It presents Nat64D optimization results and finalized problem settings archived, optimizing for Historical NBS including Shore Protection and more. The report details the Nat64D optimization decision variables and ranges used, identifying constraints and objectives for maximizing benefit.

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Superior Lake Optimization Report 2011-2012

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  1. Lake Superior OperationDecember 12, 2011edittedApril 05, 2012reports on Superior Optimization work(Optimized nat64d) MH SP Prepared by M. Asadzadeh & B. Tolson SC ER

  2. Purpose • Report Nat64D optimization problem and results • Report finalized problem settings that are available and archived • Report final results of Nat64D optimization

  3. Nat64D: Optimized for Historical NBS Including Shore Protection • This plan is designed in EC and its 6 parameters are optimized: • Optimized for HI • Benefit Includes Shore Protection (SP) + Navigation + Hydropower Generation • Simulated 6 extreme NBS to make sure CGLRRM does not crash • Solved single objective optimization problem: • Objective: Maximize benefit • Constraints: (note that pre-emption is enabled) 1- Respect the 6 criteria for historical NBS (no need to run excel) 2- Do not crash on 6 extreme scenarios • Other SVM criteria NOT explicitly included in the optimization formulation

  4. Nat64D: Optimization decision variables & ranges • The optimization used the following boundaries on the decision variables of Nat64D: • [-1, 1], [-5, 5], [-0.5, 0.5], [1, 17], [0, 1], [182.7, 183.2] • The optimized Nat64D is not significantly improved over the un-optimized Nat64D. • Note that an expanded set of DV ranges shown below led to significantly better optimization result • [-0.3, 1], [-5, 5], [-0.5, 0.5], [1, 17], [-0.3, 0.3], [181.5, 183.5] • However, these DV ranges are not consistent with Dr. Yin Fan’s logic defining nat64d …

  5. Nat 64D Optimized nat64d optimized nat64d un-optimized • Note: • the optimized nat64d can simulate the 6 extreme NBS scenarios successfully • Full SVM evaluation of this optimized solution is not generated by Tolson et al.

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