physics-interfaceAvailable
Electric Currents
Conductive and capacitive electric-current conservation in frequency-domain media.
Reference contract
| Field | Value | Description |
|---|---|---|
| constraints | [] | — |
| coupled_runtime | null | — |
| differentiable_runtime | {"certification":"ElectricCurrentsStationaryScalarRuntime","coordinate_expression_gradient":false,"coordinate_gradient":false,"design_properties":[],"execution_backend":"telion-v2-shared-execution","expression_objectives":false,"material_expression_gradient":false,"material_gradient":false,"residual_owner":"ElectricCurrents.element_residual","state_fields":["V"],"supported_objective_symbols":{},"topology_expression_gradient":false} | — |
| equation_summary | div((sigma + i*omega*epsilon)*grad(V)) = 0 | — |
| frequency_domain_runtime | {"certification":"ElectricCurrentsComplexScalarRuntime","operator_terms":[{"angular_frequency_power":0,"coefficient":"conductivity","phase":"real"},{"angular_frequency_power":1,"coefficient":"permittivity","phase":"imaginary"}],"runtime":"scalar-complex-gradient","state_fields":["V"],"supports_sweep":true} | — |
| metadata | {"releaseSupport":{"certifiedStudies":["stationary","frequency-domain"],"manifest":"docs/september-2026-classroom-physics-matrix.json","manifestSha256":"fe4b2f9ddfee4fe815ba0df4bb22b364a70e095773b56cf79e6d360935757003","profile":"september-2026-classroom","reason":"Selectable only for the certified study capabilities declared by this interface.","selectable":true}} | — |
| preferred_material | null | — |
| schema_version | 2.0.0 | — |
| studies | [{"certified":true,"differentiability":"exact-ad","kind":"stationary","reason":"september-2026-classroom verified contract: inverse potential scaling with conductivity for a fixed volume-current source"},{"certified":true,"differentiability":"exact-ad","kind":"frequency-domain","reason":"september-2026-classroom verified contract: terminal-current conservation and analytical complex-admittance frequency ratio"}] | — |
| transient_runtime | null | — |
| weak_contributions | [{"differentiability":"exact-ad","entity_dimension":"domain","expression":"dot(grad(test(ec.V)), (conductivity+i*angularFrequency*permittivity)*grad(ec.V))","name":"ec.current-conservation","test_field":"ec.V"}] | — |
| category | AC/DC | — |
| description | Conductive and capacitive electric-current conservation in frequency-domain media. | — |
| dimensions | [3] | — |
| display_name | Electric Currents | — |
| kind | Electric Currents | — |
| namespace | ec | — |
| status | certified | — |
| visible | true | — |
Conductive and capacitive electric-current conservation in frequency-domain media.
Contract
| Property | Value |
|---|---|
| constraints | [] |
| coupled_runtime | null |
| differentiable_runtime | {"certification":"ElectricCurrentsStationaryScalarRuntime","coordinate_expression_gradient":false,"coordinate_gradient":false,"design_properties":[],"execution_backend":"telion-v2-shared-execution","expression_objectives":false,"material_expression_gradient":false,"material_gradient":false,"residual_owner":"ElectricCurrents.element_residual","state_fields":["V"],"supported_objective_symbols":{},"topology_expression_gradient":false} |
| equation_summary | div((sigma + i*omega*epsilon)*grad(V)) = 0 |
| frequency_domain_runtime | {"certification":"ElectricCurrentsComplexScalarRuntime","operator_terms":[{"angular_frequency_power":0,"coefficient":"conductivity","phase":"real"},{"angular_frequency_power":1,"coefficient":"permittivity","phase":"imaginary"}],"runtime":"scalar-complex-gradient","state_fields":["V"],"supports_sweep":true} |
| metadata | {"releaseSupport":{"certifiedStudies":["stationary","frequency-domain"],"manifest":"docs/september-2026-classroom-physics-matrix.json","manifestSha256":"fe4b2f9ddfee4fe815ba0df4bb22b364a70e095773b56cf79e6d360935757003","profile":"september-2026-classroom","reason":"Selectable only for the certified study capabilities declared by this interface.","selectable":true}} |
| preferred_material | null |
| schema_version | 2.0.0 |
| studies | [{"certified":true,"differentiability":"exact-ad","kind":"stationary","reason":"september-2026-classroom verified contract: inverse potential scaling with conductivity for a fixed volume-current source"},{"certified":true,"differentiability":"exact-ad","kind":"frequency-domain","reason":"september-2026-classroom verified contract: terminal-current conservation and analytical complex-admittance frequency ratio"}] |
| transient_runtime | null |
| weak_contributions | [{"differentiability":"exact-ad","entity_dimension":"domain","expression":"dot(grad(test(ec.V)), (conductivity+i*angularFrequency*permittivity)*grad(ec.V))","name":"ec.current-conservation","test_field":"ec.V"}] |
| category | AC/DC |
| description | Conductive and capacitive electric-current conservation in frequency-domain media. |
| dimensions | [3] |
| display_name | Electric Currents |
| kind | Electric Currents |
| namespace | ec |
| status | certified |
| visible | true |