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Multiple external operators in a single form result in the residual structure being different

Status: Open.

#46 In a-latyshev/dolfinx-external-operator;

· pavaninguva opened on Mar 11, 2026

External operator depending upon the amplitude of temperature flux

Status: Open.

#45 In a-latyshev/dolfinx-external-operator;

· sbhasan opened on Feb 14, 2026

Incorrect derivative expansion when several operands have UFL differentiation operators

bugSomething isn't workingSomething isn't working

Status: Open.

#42 In a-latyshev/dolfinx-external-operator;

· a-latyshev opened on Dec 19, 2025

Further improvements of External Operators

enhancementNew feature or requestNew feature or request

Status: Open.

#38 In a-latyshev/dolfinx-external-operator;

· jorgensd opened on Dec 15, 2025

Mixed elements

bugSomething isn't workingSomething isn't working

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

Status: Open.

#36 In a-latyshev/dolfinx-external-operator;

· nk0p1c opened on Dec 8, 2025

Handling high-order differentiation of forms with FEMExternalOperator-s

bugSomething isn't workingSomething isn't working

Status: Open.

#33 In a-latyshev/dolfinx-external-operator;

· a-latyshev opened on Nov 28, 2025

ValueError: Missing differentiation handler for type FEMExternalOperator.

good first issueGood for newcomersGood for newcomers

questionFurther information is requestedFurther information is requested

Status: Open.

#27 In a-latyshev/dolfinx-external-operator;

· swiesheier opened on Nov 22, 2025

Support for ufl.Argument

Status: Open.

#18 In a-latyshev/dolfinx-external-operator;

· jorgensd opened on Dec 9, 2024