{
  "node": {
    "id": "block:shaft-damper",
    "type": "Block",
    "label": "Shaft viscous loss",
    "properties": {
      "id": "shaft-damper",
      "kind": "studio",
      "name": "Shaft viscous loss",
      "summary": "Applies opposing torque proportional to the speed difference between its shafts.",
      "behavior": "Applies opposing torque proportional to the speed difference between its shafts.",
      "documentationSlug": "shaft-damper",
      "referenceOnly": true,
      "ports": [
        {
          "name": "a",
          "direction": "conserving",
          "unit": "rotational",
          "description": "Shaft side A"
        },
        {
          "name": "b",
          "direction": "conserving",
          "unit": "rotational",
          "description": "Shaft side B"
        }
      ],
      "parameters": [
        {
          "key": "dampingNms",
          "label": "dampingNms",
          "unit": "N m s/rad",
          "default": 0.1,
          "description": "Declared authoring field: dampingNms.",
          "min": 0,
          "max": 1000000000000
        }
      ],
      "equations": [],
      "example": {
        "title": "Use this authoring component",
        "text": "Choose this component in the Studio library and configure its declared interface. This reference describes the authoring contract; it does not claim a standalone numerical validation or a measured result.",
        "url": "https://design.lemonergy.com/cosim",
        "label": "Open Studio"
      },
      "limits": [
        "The symbolic diagram describes the component and its declared interface. It is not a solved circuit or simulated output.",
        "Configured parameters and model connections determine the result. Check the complete model before interpreting its outputs."
      ],
      "evidence": [
        "docs/glossary/studio-help-catalog.json"
      ],
      "caseIds": [],
      "sourceRepository": "battery-design",
      "sourceRevision": "e248d21a9902225f1075624f23e7628b54cdb7cc",
      "reviewed": "2026-10-30",
      "type": "shaft-damper",
      "implementationId": "shaft-damper",
      "url": "https://lemonergy.com/learn/glossary/blocks/shaft-damper/",
      "documentationUrl": "https://lemonergy.com/learn/glossary/blocks/shaft-damper/",
      "sourceFile": "studio-help-catalog.json",
      "studioHelp": {
        "type": "shaft-damper",
        "namespace": "physical",
        "slug": "shaft-damper",
        "canonicalSlug": "shaft-damper",
        "existing": false,
        "dynamic": false,
        "scene": {
          "kind": "component",
          "componentId": "reference",
          "type": "shaft-damper",
          "name": "Shaft viscous loss",
          "domain": "rotational",
          "family": "damper",
          "operation": "Applies opposing torque proportional to the speed difference between its shafts.",
          "mechanism": [
            "Relative speed",
            "Viscous resistance",
            "Dissipated power"
          ],
          "ports": [
            {
              "id": "a",
              "domain": "rotational",
              "kind": "conserving",
              "label": "Shaft side A",
              "net": null,
              "peers": []
            },
            {
              "id": "b",
              "domain": "rotational",
              "kind": "conserving",
              "label": "Shaft side B",
              "net": null,
              "peers": []
            }
          ],
          "terms": [
            {
              "type": "shaft-inertia",
              "label": "Shaft inertia"
            },
            {
              "type": "friction-brake",
              "label": "Finite-slip friction brake"
            }
          ],
          "symbol": [
            {
              "tag": "path",
              "attrs": {
                "d": "M10 40H75M75 20V60M75 20H130M75 60H130M115 25V55M115 40H190"
              }
            }
          ],
          "selection": {},
          "commands": [],
          "outputs": [],
          "parameters": [
            {
              "id": "dampingNms",
              "default": 0.1,
              "unit": "N m s/rad",
              "min": 0,
              "max": 1000000000000,
              "value": 0.1
            }
          ]
        }
      }
    }
  },
  "incoming": [],
  "outgoing": [],
  "neighbors": []
}