{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/mechanical.statics.principal_section_modulus/1.0.0/input.json",
  "title": "Principal section modulus — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "parts": {
      "type": "string",
      "description": "Rows Ix,Iy,Ixy,A,x,y. Centroidal moments. Negative area is a hole."
    },
    "c1": {
      "type": "number",
      "description": "Distance from the centroid to the extreme fiber along the I1 axis."
    },
    "c2": {
      "type": "number",
      "description": "Distance from the centroid to the extreme fiber along the I2 axis."
    }
  },
  "required": [
    "parts"
  ],
  "description": "Elastic section modulus about the principal axes. S1 = I1/c1 and S2 = I2/c2 after the principal-moment engine. Not Sx and Sy, and not bending stress. (calculation_version 1.0.0)"
}
