docs/source/figures/solar/sankeys.ipynb

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      "/home/tao/projects/ce/venv/local/lib/python3.5/site-packages/pint/quantity.py:1377: UnitStrippedWarning: The unit of the quantity is stripped.\n",
      "  warnings.warn(\"The unit of the quantity is stripped.\", UnitStrippedWarning)\n"
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      "Starting a sequence of GP solves\n",
      " for 97 free variables\n",
      "  in 23 locally-GP constraints\n",
      "  and for 1032 free variables\n",
      "       in 1384 posynomial inequalities.\n",
      "Solving took 1.32 seconds and 4 GP solves.\n",
      "Warning: Variable Mission.Climb.AircraftDrag.WingAero.CL[:] could cause inaccurate result because it is below lower bound. Solution is 1.0302 but bound is 0.9465\n",
      "Warning: Variable Mission.Climb.AircraftDrag.WingAero.Re[:] could cause inaccurate result because it is above upper bound. Solution is 1230806.2495 but bound is 600000.0000\n",
      "Warning: Variable Mission.Climb.AircraftDrag.TailAero1.Re[:] could cause inaccurate result because it is above upper bound. Solution is 1152795.0157 but bound is 1000000.0000\n"
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      "/home/tao/projects/ce/venv/local/lib/python3.5/site-packages/pint/quantity.py:1377: UnitStrippedWarning: The unit of the quantity is stripped.\n",
      "  warnings.warn(\"The unit of the quantity is stripped.\", UnitStrippedWarning)\n"
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   "source": [
    "from solar.solar import *\n",
    "Vehicle = Aircraft(Npod=3, sp=True)\n",
    "M = Mission(Vehicle, latitude=[20])\n",
    "M.cost = M[M.aircraft.Wtotal]\n",
    "sol = M.localsolve(\"mosek_cli\")"
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    "import gpkit.interactive.sankey\n",
    "from importlib import reload\n",
    "reload(gpkit.interactive.sankey)\n",
    "Sankey = gpkit.interactive.sankey.Sankey\n",
    "\n",
    "Sankey(sol, M, \"SolarMission\").diagram(M.aircraft.Wtotal, left=210, right=130)"
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      "Links exceed link limit (354 > 50); skipping constraints inside arrays.\n",
      "Links exceed link limit (106 > 50); skipping all constraints.\n"
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    "Sankey(sol, M, \"SolarMission\").diagram(M.aircraft.b, right=180)"
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      "Links exceed link limit (1314 > 50); skipping constraints inside arrays.\n",
      "Links exceed link limit (414 > 50); skipping all constraints.\n"
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