eulerjs API / @eulerjs/marine / Foil

Foil

Defined in: packages/marine/src/foils/Foil.ts:41

A wing-like surface — sail, keel, rudder — that turns the flow past it into lift (across the flow) and drag (along it). Only the part of the flow across the span counts, so a foil ignores flow along its own span.

Implements

• Behavior

Constructors

Constructor

new Foil(options): Foil;

Defined in: packages/marine/src/foils/Foil.ts:60

Parameters

Parameter	Type
options	FoilOptions

Returns

Foil

Properties

Property	Modifier	Type	Default value	Description	Defined in
angle	public	number	undefined	-	packages/marine/src/foils/Foil.ts:45
area	public	number	undefined	-	packages/marine/src/foils/Foil.ts:43
center	readonly	Vector3	undefined	-	packages/marine/src/foils/Foil.ts:46
chordAxis	readonly	Vector3	undefined	-	packages/marine/src/foils/Foil.ts:49
lastAngleOfAttack	public	number	0	Angle of attack on the last step, in radians, from 0 to π.	packages/marine/src/foils/Foil.ts:56
lastCenter	readonly	Vector3	...	Where that force acted, in world space.	packages/marine/src/foils/Foil.ts:54
lastFlowSpeed	public	number	0	Speed of the flow across the span on the last step, in m/s.	packages/marine/src/foils/Foil.ts:58
lastForce	readonly	Vector3	...	The force applied on the last step, in world space.	packages/marine/src/foils/Foil.ts:52
medium	public	FluidMedium	undefined	-	packages/marine/src/foils/Foil.ts:42
pivot	readonly	Vector3	undefined	-	packages/marine/src/foils/Foil.ts:47
polar	public	Polar	undefined	-	packages/marine/src/foils/Foil.ts:44
spanAxis	readonly	Vector3	undefined	-	packages/marine/src/foils/Foil.ts:48

Methods

computeForce()

computeForce(
   body, 
   time, 
   target
): Vector3;

Defined in: packages/marine/src/foils/Foil.ts:82

The force the foil would apply to body at time, without applying it. Updates the last… fields.

Parameters

Parameter	Type
body	Body
time	number
target	Vector3

Returns

Vector3

---

fixedUpdate()

fixedUpdate(
   body, 
   _timestep, 
   world
): void;

Defined in: packages/marine/src/foils/Foil.ts:76

Parameters

Parameter	Type
body	Body
_timestep	number
world	World

Returns

void

Implementation of

Behavior.fixedUpdate