Class SPHSystem

Smoothed-particle hydrodynamics system

Todo

Make parameters customizable in the constructor

Constructors

constructor

Properties

densities density eps neighbors particles pressures smoothingRadius speedOfSound viscosity

Methods

add getNeighbors gradw nablaw remove update w

Constructors

constructor

Properties

densities

densities: number[]

density

density: number

Density of the system (kg/m3).

Default

1

eps

eps: number

Default

0.000001

neighbors

neighbors: Body[][]

particles

particles: Body[]

The particles array.

pressures

pressures: number[]

smoothingRadius

smoothingRadius: number

Distance below which two particles are considered to be neighbors. It should be adjusted so there are about 15-20 neighbor particles within this radius.

Default

1

speedOfSound

speedOfSound: number

Default

1

viscosity

viscosity: number

Viscosity of the system.

Default

0.01

Methods

add

  • add(particle): void

  • Add a particle to the system.

    Parameters

    Returns void

getNeighbors

  • getNeighbors(particle, neighbors): void

  • Get neighbors within smoothing volume, save in the array neighbors

    Parameters

    Returns void

gradw

  • gradw(rVec, resultVec): void

  • Parameters

    Returns void

nablaw

  • nablaw(r): number

  • Parameters

    • r: number

    Returns number

remove

  • remove(particle): void

  • Remove a particle from the system.

    Parameters

    Returns void

update

  • update(): void

  • Returns void

w

  • w(r): number

  • Parameters

    • r: number

    Returns number

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