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Lemonergy · Studio block

Authored unit policy

Rejects authored unit annotations outside a configured allowed-unit set.

Implementation ID
unit-system
Reviewed
2026-10-27

Behavior

Validates explicit authored-unit annotations against an allowed-unit set, without silently changing numerical values.

Interface

Authored unit policy interfaceInputs or arguments on the left, observed outputs on the right. Conserving terminals appear below the component. The tables give units and behavior.Authored unit policyStudio block
Original Lemonergy interface view. Lines identify ports; they are not a completed simulation circuit.

This reference describes a studio block; its configuration fields are listed below. It has no connected Studio ports.

Parameters

Defaults are initial model values. Select values for your own model and operating conditions.

Configuration fields
ParameterUnitDefaultMeaning and limits
allowed Units
allowedUnits		1["1", "s", "m", "kg", "A", "K", "V", "W", "J"]Explicit allowedUnits in the worked model.
strict
strict		1TrueExplicit strict in the worked model.

Equations and rules

  • allowed(annotation unit) must be true for every annotated numerical parameter

Worked example

Authored unit policy — executable model

An annotated2-second parameter passes an SI-style policy. Annotating the same value in centimetres is rejected when cm is not allowed.

Open Studio example after release →
Numerical checks for the bundled synthetic example
OutputTime (s)Expected valueUnitAbsolute tolerance
Result
Result		0.2411e-09

Use in a workflow

Authored unit policy — executable model

Rejects authored unit annotations outside a configured allowed-unit set.

  1. Authored unit policy: Validates explicit authored-unit annotations against an allowed-unit set, without silently changing numerical values.
    • Use the block reference for settings and connections.
    • Implementation tested locally; public release pending.
Open Studio example after release

Connected concepts

Limits and interpretation

  • Checks annotations, not inferred units for every equation. Unannotated parameters are not assigned a unit automatically. The root policy applies to definitions unless they declare their own policy.

Reference basis

This compiler and software type contract is defined by the documented behavior and executable example; no external research result or full external API parity is claimed.

Implementation sources

This reference follows the public interface and locally verified numerical checks for an upcoming release.

Contract: Lemonergy Studio public contract · Verification record: verification-2026-10-27

  • docs/glossary/native-block-verification.json

This implementation and its workflow uses (JSON) · Knowledge graph (JSON-LD)