---
title: "Calculate Force Coefficients"
method: POST
path: "/v1/ancillaries/discrete/force-coefficients/calculate"
tags: ["ancillaries"]
---

# Calculate Force Coefficients

`POST /v1/ancillaries/discrete/force-coefficients/calculate`

## Request

- Base URL: `https://api.shapemaker.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.shapemaker.io/v1/ancillaries/discrete/force-coefficients/calculate`
- Auth: OAuth 2
  - Password
  - Token URL: `/v1/auth`

Calculate the force coefficients for a given ancillary based on the manufacturer data.

## Request body

- AncillaryManufacturerDataInput
  - `geometries` DiscreteAncillaryGeometryInput[], required
    - `geometryType` 'HEIGHT_MM' | 'WIDTH_MM' | 'DEPTH_MM' | 'RADIUS_MM' | 'DIAMETER_MM' | 'FRONT_PROJECTED_AREA_MM2' | 'SIDE_PROJECTED_AREA_MM2', required
    - `geometryValue` number, required
  - `ancillaryType` 'PANEL' | 'MW_SHROUD' | 'MW_NO_SHROUD' | 'MW_GRID' | 'MW_RADOME' | 'OMNI' | 'GPS' | 'YAGI' | 'DIPOLE' | 'RRU' | 'ODU' | 'FTTA' | 'PTTA' | 'TMA' | 'MHA' | 'OBSTRUCTION_LIGHT' | 'LIGHTNING_ROD' | 'PLATFORM' | 'CUSTOM_BOX' | 'CUSTOM_CYLINDER' | 'HELIX' | 'ICE_SHIELD' | 'COMBINER' | 'GRID' | 'HEADFRAME' | 'SHELTER_EQUIPMENT', required
  - `windLoadFrontalN` number, required
  - `windLoadLateralN` number, required
  - `windLoadRearN` number, required
  - `windSpeedKmph` number, required

## Response `200`

Successful Response

- CalculatedForceCoefficientsView
  - `forceCoefficientFront` number, required
  - `forceCoefficientSide` number, required
  - `forceCoefficientRear` number, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/shapemaker/apis/shapemaker-api.md) - [All operations](https://skmtc.dev/shapemaker/apis/shapemaker-api/llms.txt) - [OpenAPI document](https://skmtc.dev/shapemaker/apis/shapemaker-api/revisions/b8461cf1236c?raw)