Enum FvModel 

pub enum FvModel {
    SemiImplicit(SemiImplicitSource),
    SolidificationMelting(SolidificationMelting),
    SolidificationPorosity(SolidificationPorosity),
    VofSolidificationMelting(VofSolidificationMelting),
}

One optional source term.

Enum dispatch rather than trait objects, per the workspace rule: the set of source models is closed and known at compile time, adding one forces every match to be revisited, and rust-analyzer can navigate to each variant — none of which is true of upstream’s runtime-selection table.

Which equations a model contributes to

Not every model contributes to every equation. contributes_to reports what a model acts on, mirroring upstream’s addSupFields, so applying a whole collection to an equation only invokes the models that have something to say about it.

Variants

SemiImplicit(SemiImplicitSource)

A general explicit/implicit source, upstream semiImplicitSource.

SolidificationMelting(SolidificationMelting)

Solidification and melting by the enthalpy-porosity method, upstream solidificationMelting. The physically complete phase-change model: tracks a liquid fraction, absorbs latent heat, carries its own Boussinesq buoyancy.

SolidificationPorosity(SolidificationPorosity)

Solidification as a bare porous blockage, upstream porosityModels::solidification. No latent heat and no buoyancy — it only freezes the momentum out of cold cells.

Strictly, upstream files this under porosityModel rather than fvModel; it is folded into this enum because from a solver’s point of view it is the same thing — a term added to the momentum equation over a cell zone — and keeping it in a parallel mechanism would double the wiring for no gain.

VofSolidificationMelting(VofSolidificationMelting)

Solidification and melting of a VoF phase, upstream VoFSolidificationMelting. Needs a VoF phase fraction supplied from outside; see FvModels::correct.

Implementations

impl FvModel

pub fn name(&self) -> &str

The model’s name, for diagnostics.

pub fn contributes_to(&self, field: &str) -> bool

Whether this model contributes to the equation for field.

Upstream’s addsSupToField. A model asked for a field it does not act on contributes nothing, rather than erroring — that is how a single collection can be handed to every equation a solver assembles.

Trait Implementations

impl Clone for FvModel

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FvModel

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.