AAV (Aerodynamic Angle Visualizer)

{
  "page_purpose": "An Aerodynamic Angle Visualiser that lets you explore lift, drag, and airflow behavior for a 2D wing section in real time.",
  "header_hero": {
    "eyebrow_title": "Aerodynamic Angle Visualiser",
    "main_headline": "Explore lift, drag, and airflow in real time",
    "subhead_copy": "Explains you can adjust airspeed, angle of attack, and wing profile to visualize aerodynamic behavior."
  },
  "controls": [
    {
      "label": "Airspeed",
      "value_display": "numeric",
      "default": 35,
      "units": "m/s",
      "range": "10 to 80",
      "step": 1
    },
    {
      "label": "Angle of attack",
      "value_display": "numeric",
      "default": 6,
      "units": "degrees",
      "range": "-5 to 25",
      "step": 1
    },
    {
      "label": "Wing profile",
      "options": [
        "Flat plate",
        "Cambered (default)",
        "Symmetrical"
      ]
    }
  ],
  "outputs": [
    "Lift (Newtons)",
    "Drag (Newtons)",
    "CL / CD (lift and drag coefficients)",
    "Stall warning banner when angle is beyond 15 degrees (lift drop indication)"
  ],
  "assumptions": [
    "2D wing section, reference area S = 1 m^2",
    "Air density rho = 1.225 kg/m^3",
    "Linear lift slope up to stall"
  ],
  "main_visual_area": [
    "Flow visualisation card with a canvas showing moving airflow lines",
    "Legend: Faster airflow (upper side), Slower airflow (lower side)"
  ],
  "graphs": [
    "Lift vs angle graph (canvas)",
    "Drag vs angle graph (canvas)"
  ]
}