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Coefficient Form PDE

Development scalar coefficient-form PDE interface for custom scripted elliptic models.

Reference contract

FieldValueDescription
constraints[]
coupled_runtimenull
differentiable_runtime{"certification":"CoefficientFormPDEScalarEllipticRuntime","coordinate_expression_gradient":true,"coordinate_gradient":true,"design_properties":["c"],"execution_backend":"telion-v2-shared-execution","expression_objectives":true,"material_expression_gradient":true,"material_gradient":true,"objective_rules":[{"entity_dimensions":["global","domain","boundary","point"],"modes":["stationary"],"operators":["integral","average","minimum","maximum","rms","norm","smooth-maximum","smooth-minimum"],"supports_selection":true,"symbols":["cfpde.u"],"value_kind":"field"},{"entity_dimensions":["global"],"modes":["stationary"],"operators":["value"],"supports_selection":false,"symbols":["cfpde.energy"],"value_kind":"scalar-global"},{"entity_dimensions":["global"],"modes":["stationary"],"operators":["value"],"supports_selection":false,"symbols":["cfpde.compliance"],"value_kind":"scalar-global"}],"residual_owner":"CoefficientFormPDE.element_residual","state_fields":["u"],"supported_objective_symbols":{"coordinate":["cfpde.u","cfpde.energy","cfpde.compliance"],"material":["cfpde.u","cfpde.energy","cfpde.compliance"],"topology":["cfpde.u","cfpde.energy","cfpde.compliance"]},"topology_expression_gradient":true}
dynamic_outputs[]
equation_summary-div(c grad(u)) = f
frequency_domain_runtimenull
metadata{"releaseSupport":{"certifiedStudies":[],"manifest":"docs/september-2026-classroom-physics-matrix.json","manifestSha256":"8f1273eda113099a6658438b1513d127c2c4c99c511c5a6fc5b82637cf6bc949","profile":"september-2026-classroom","reason":"Coefficient Form PDE has no certified study in the September 2026 classroom support matrix.","selectable":false}}
preferred_materialnull
schema_version2.0.0
studies[{"certified":false,"differentiability":"exact-ad","kind":"stationary","reason":"Coefficient Form PDE stationary is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"sensitivity","reason":"Coefficient Form PDE sensitivity is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"optimization","reason":"Coefficient Form PDE optimization is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"eigenvalue","reason":"Coefficient Form PDE eigenvalue is outside the September 2026 classroom support matrix."}]
transient_runtimenull
weak_contributions[{"differentiability":"exact-ad","entity_dimension":"domain","expression":"dot(grad(test(cfpde.u)), c*grad(cfpde.u)) + test(cfpde.u)*a*cfpde.u - test(cfpde.u)*f","name":"cfpde.coefficient","test_field":"cfpde.u"}]
categoryMathematics / PDE Interfaces
descriptionDevelopment scalar coefficient-form PDE interface for custom scripted elliptic models.
dimensions[3]
display_nameCoefficient Form PDE
kindCoefficient Form PDE
namespacecfpde
statusdevelopment
visiblefalse

Development scalar coefficient-form PDE interface for custom scripted elliptic models.

Contract

PropertyValue
constraints[]
coupled_runtimenull
differentiable_runtime{"certification":"CoefficientFormPDEScalarEllipticRuntime","coordinate_expression_gradient":true,"coordinate_gradient":true,"design_properties":["c"],"execution_backend":"telion-v2-shared-execution","expression_objectives":true,"material_expression_gradient":true,"material_gradient":true,"objective_rules":[{"entity_dimensions":["global","domain","boundary","point"],"modes":["stationary"],"operators":["integral","average","minimum","maximum","rms","norm","smooth-maximum","smooth-minimum"],"sup...
dynamic_outputs[]
equation_summary-div(c grad(u)) = f
frequency_domain_runtimenull
metadata{"releaseSupport":{"certifiedStudies":[],"manifest":"docs/september-2026-classroom-physics-matrix.json","manifestSha256":"8f1273eda113099a6658438b1513d127c2c4c99c511c5a6fc5b82637cf6bc949","profile":"september-2026-classroom","reason":"Coefficient Form PDE has no certified study in the September 2026 classroom support matrix.","selectable":false}}
preferred_materialnull
schema_version2.0.0
studies[{"certified":false,"differentiability":"exact-ad","kind":"stationary","reason":"Coefficient Form PDE stationary is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"sensitivity","reason":"Coefficient Form PDE sensitivity is outside the September 2026 classroom support matrix."},{"certified":false,"differentiability":"exact-ad","kind":"optimization","reason":"Coefficient Form PDE optimization is outside the September 2026 classroo...
transient_runtimenull
weak_contributions[{"differentiability":"exact-ad","entity_dimension":"domain","expression":"dot(grad(test(cfpde.u)), c*grad(cfpde.u)) + test(cfpde.u)*a*cfpde.u - test(cfpde.u)*f","name":"cfpde.coefficient","test_field":"cfpde.u"}]
categoryMathematics / PDE Interfaces
descriptionDevelopment scalar coefficient-form PDE interface for custom scripted elliptic models.
dimensions[3]
display_nameCoefficient Form PDE
kindCoefficient Form PDE
namespacecfpde
statusdevelopment
visiblefalse

Authoritative source

Catalog
telion_backend.v2.catalog.PhysicsCatalog
Identity
physics-interface:cfpde
Path
src/telion_backend/v2/physics
Symbol
PhysicsDeclaration