Enum FinPlanform 

#[non_exhaustive]
pub enum FinPlanform {
    Trapezoidal {
        root_chord_m: f64,
        tip_chord_m: f64,
        span_m: f64,
        sweep_m: f64,
    },
    Elliptical {
        root_chord_m: f64,
        span_m: f64,
    },
    Freeform {
        points_m: Vec<[f64; 2]>,
        root_m: Vec<[f64; 2]>,
    },
}

The outline of one fin.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Trapezoidal

A trapezoid with its tip chord parallel to the root.

Fields

root_chord_m: f64

Root chord, m.

tip_chord_m: f64

Tip chord, m (zero for a pointed fin).

span_m: f64

Span from the body surface to the tip, m.

sweep_m: f64

Axial distance from the root leading edge aft to the tip leading edge, m.

Elliptical

Half an ellipse on the root chord.

Fields

root_chord_m: f64

Root chord, m.

span_m: f64

Span, m.

Freeform

A polygon given as [x, h] points from the root leading edge, which must be [0, 0], around to the root trailing edge [c_r, h_r] with c_r > 0 and h_r ≥ 0, closed along the root; x runs aft and h outward, in meters. On a body tube the root is level, h_r = 0; on a nose cone or a transition it follows the surface, through root_m.

Fields

points_m: Vec<[f64; 2]>

The outline, m.

root_m: Vec<[f64; 2]>

The root’s points between its trailing and leading edges, aft to fore, m: none for a straight root. The root is straight between them.

Implementations

impl FinPlanform

pub fn root_chord_m(&self) -> f64

Root chord, m.

pub fn span_m(&self) -> f64

Span, m.

pub fn validate(&self) -> Result<(), DesignError>

Checks dimensions, and that a freeform outline is a simple polygon, nowhere below the root leading edge, that starts and ends on the root.

Errors

DesignError::Domain or DesignError::Geometry.

pub fn chords_at(&self, h: f64, out: &mut Vec<(f64, f64)>)

The chord intervals (a, b) at span h (m outward from the root), sorted along x (m aft of the root leading edge), replacing the contents of out. A span at or beyond the tip gives none. The planform should be valid (FinPlanform::validate).

pub fn geometry(&self) -> Result<PlanformGeometry, DesignError>

Area and centroid of the planform.

Errors

As FinPlanform::validate, or DesignError::Numerics if an integral fails.

Trait Implementations

impl Clone for FinPlanform

fn clone(&self) -> FinPlanform

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FinPlanform

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FinPlanform

fn deserialize<__D>( __deserializer: __D, ) -> Result<FinPlanform, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl JsonSchema for FinPlanform

fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword.

impl PartialEq for FinPlanform

fn eq(&self, other: &FinPlanform) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for FinPlanform

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for FinPlanform