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Math & Numbers

Beam Reaction Force Calculator (Simply Supported)

Calculate support reactions of a simply supported beam via static equilibrium. UDL: RA=RB=q·L/2. Center point load: RA=RB=P/2. Off-center point load at a: RA=P·b/L, RB=P·a/L. Also returns max shear Vmax and max moment Mmax.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/beam-reaction-force' \
  -H 'Content-Type: application/json' \
  -d '{"loadType":"udl","L":10,"q":10,"P":0,"a":0,"decimalPlaces":4}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/beam-reaction-force

Parameters

NameTypeRequiredDescription
loadTypeselectNo—
LnumberYes—
qnumberNoRequired for UDL.
PnumberNoPoint load magnitude. Required for center/point modes.
anumberNoDistance from left support to the point load. Required for point mode. 0 ≤ a ≤ L.

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-beam-reaction-force": {
      "name": "beam-reaction-force",
      "description": "Calculate support reactions of a simply supported beam via static equilibrium. UDL: RA=RB=q·L/2. Center point load: RA=RB=P/2. Off-center point load at a: RA=P·b/L, RB=P·a/L. Also returns max shear Vmax and max moment Mmax.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=beam-reaction-force",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "beam-reaction-force",
    "arguments": {
  "loadType": "udl",
  "L": 10,
  "q": 10,
  "P": 0,
  "a": 0,
  "decimalPlaces": 4
}
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

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decimalPlaces
number
No
—

Response format

JSON result

JSON
{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}