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  2. Contract
  3. Authoritative source

Heat Transfer

rho*Cp*dT/dt - div(k*grad(T)) = Q

Reference contract

FieldValueDescription
areaHeat Transfer
boundaryFeatures[{"assemblyRole":"none","displayName":"Temperature","entityDimensions":["boundary"],"fields":[{"default":"293.15[K]","name":"value","required":true,"unit":"K","valueType":"expression"}],"kind":"Temperature","multiple":true,"parentCategory":"physics","role":"exclusive"},{"assemblyRole":"none","displayName":"Heat Flux","entityDimensions":["boundary"],"fields":[{"default":"0[W/m^2]","name":"value","required":true,"unit":"W/m^2","valueType":"expression"}],"kind":"Heat Flux","multiple":true,"parentCategory":"physics","role":"contributing"}]
childCategories["physics.domain","physics.boundary"]
defaultMaterialnull
displayNameHeat Transfer
domainFeatures[{"assemblyRole":"none","displayName":"Heat Source","entityDimensions":["domain"],"fields":[{"default":"0[W/m^3]","name":"value","required":true,"unit":"W/m^3","valueType":"expression"}],"kind":"Heat Source","multiple":true,"parentCategory":"physics","required":false}]
kindHeat Transfer
materialSchema[{"default":"1[W/(m*K)]","name":"thermalConductivity","rank":"scalar","required":true,"unit":"W/(m*K)"},{"default":"1[kg/m^3]","name":"density","rank":"scalar","required":true,"unit":"kg/m^3"},{"default":"1[J/(kg*K)]","name":"heatCapacity","rank":"scalar","required":true,"unit":"J/(kg*K)"}]
publishedFields[{"components":1,"displayName":"Temperature","expression":"ht.T","name":"ht.T","plottable":true,"rank":"scalar","studies":["stationary","transient","sensitivity","optimization"],"unit":"K"},{"components":1,"displayName":"Thermal energy functional","expression":"energy","name":"ht.energy","plottable":true,"rank":"scalar","studies":["stationary","sensitivity","optimization"],"unit":"J"},{"components":1,"displayName":"Thermal compliance","expression":"2*energy","name":"ht.compliance","plottable":true,"rank":"scalar","studies":["stationary","sensitivity","optimization"],"unit":"J"}]
statuscertified
studies["Stationary","Transient","Sensitivity","Optimization","Eigenvalue"]
studyCapabilities[{"certified":true,"differentiability":"exact-ad","kind":"stationary","reason":"september-2026-classroom verified contract: exact affine Dirichlet temperature field on a tetrahedral block"},{"certified":true,"differentiability":"exact-ad","kind":"transient","reason":"september-2026-classroom verified contract: analytical sine-mode spatial convergence and second-order variable-step temporal convergence"},{"certified":false,"differentiability":"exact-ad","kind":"sensitivity","reason":"Heat Transfer sensitivity is disabled until verified per-parameter backend derivative solves are registered."},{"certified":false,"differentiability":"exact-ad","kind":"optimization","reason":"Heat Transfer optimization is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"eigenvalue","reason":"Heat Transfer eigenvalue analysis has not completed the September 2026 classroom physical-validation gate."}]
taght
visibletrue

rhoCpdT/dt - div(k*grad(T)) = Q

Contract

PropertyValue
areaHeat Transfer
boundaryFeatures[{"assemblyRole":"none","displayName":"Temperature","entityDimensions":["boundary"],"fields":[{"default":"293.15[K]","name":"value","required":true,"unit":"K","valueType":"expression"}],"kind":"Temperature","multiple":true,"parentCategory":"physics","role":"exclusive"},{"assemblyRole":"none","displayName":"Heat Flux","entityDimensions":["boundary"],"fields":[{"default":"0[W/m^2]","name":"value","required":true,"unit":"W/m^2","valueType":"expression"}],"kind":"Heat Flux","multiple":true,"paren...
childCategories["physics.domain","physics.boundary"]
defaultMaterialnull
displayNameHeat Transfer
domainFeatures[{"assemblyRole":"none","displayName":"Heat Source","entityDimensions":["domain"],"fields":[{"default":"0[W/m^3]","name":"value","required":true,"unit":"W/m^3","valueType":"expression"}],"kind":"Heat Source","multiple":true,"parentCategory":"physics","required":false}]
kindHeat Transfer
materialSchema[{"default":"1[W/(m*K)]","name":"thermalConductivity","rank":"scalar","required":true,"unit":"W/(m*K)"},{"default":"1[kg/m^3]","name":"density","rank":"scalar","required":true,"unit":"kg/m^3"},{"default":"1[J/(kg*K)]","name":"heatCapacity","rank":"scalar","required":true,"unit":"J/(kg*K)"}]
publishedFields[{"components":1,"displayName":"Temperature","expression":"ht.T","name":"ht.T","plottable":true,"rank":"scalar","studies":["stationary","transient","sensitivity","optimization"],"unit":"K"},{"components":1,"displayName":"Thermal energy functional","expression":"energy","name":"ht.energy","plottable":true,"rank":"scalar","studies":["stationary","sensitivity","optimization"],"unit":"J"},{"components":1,"displayName":"Thermal compliance","expression":"2*energy","name":"ht.compliance","plottable"...
statuscertified
studies["Stationary","Transient","Sensitivity","Optimization","Eigenvalue"]
studyCapabilities[{"certified":true,"differentiability":"exact-ad","kind":"stationary","reason":"september-2026-classroom verified contract: exact affine Dirichlet temperature field on a tetrahedral block"},{"certified":true,"differentiability":"exact-ad","kind":"transient","reason":"september-2026-classroom verified contract: analytical sine-mode spatial convergence and second-order variable-step temporal convergence"},{"certified":false,"differentiability":"exact-ad","kind":"sensitivity","reason":"Heat Tran...
taght
visibletrue

Authoritative source

Catalog
telion_backend.v2.python_api.feature_catalog
Identity
feature-category:physics:kind:ht:Heat Transfer
Path
src/telion_backend/v2/python_api.py
Symbol
feature_catalog