Struct SPHGpuKernels

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pub struct SPHGpuKernels {
    pub positions: Vec<[f64; 3]>,
    pub velocities: Vec<[f64; 3]>,
    pub densities: Vec<f64>,
    pub pressures: Vec<f64>,
    pub smoothing_length: f64,
    pub rest_density: f64,
    pub stiffness: f64,
    pub viscosity: f64,
    pub mass: f64,
}

Expand description

GPU SPH particle data for density/pressure/viscosity kernels.

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§positions: Vec<[f64; 3]>

Particle positions [x, y, z].

§velocities: Vec<[f64; 3]>

Particle velocities [vx, vy, vz].

§densities: Vec<f64>

Per-particle density (kg/m³).

§pressures: Vec<f64>

Per-particle pressure (Pa).

§smoothing_length: f64

Smoothing length h (m).

§rest_density: f64

Rest density ρ₀ (kg/m³).

§stiffness: f64

Pressure stiffness constant k.

§viscosity: f64

Kinematic viscosity μ (Pa·s).

§mass: f64

Particle mass (kg).

Implementations§

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impl SPHGpuKernels

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pub fn new( positions: Vec<[f64; 3]>, smoothing_length: f64, rest_density: f64, stiffness: f64, viscosity: f64, mass: f64, ) -> Self

Create a new SPH kernel manager with n particles.

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pub fn n_particles(&self) -> usize

Number of particles.

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pub fn kernel_w(&self, r: f64) -> f64

Cubic spline SPH kernel W(r, h).

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pub fn kernel_grad_w(&self, rij: [f64; 3], r: f64) -> [f64; 3]

Gradient of cubic spline kernel ∇W(r⃗, h).

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pub fn compute_density(&mut self)

Density kernel: compute per-particle density from neighbour contributions.

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pub fn compute_pressure(&mut self)

Pressure kernel: compute per-particle pressure (equation of state).

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pub fn pressure_force(&self) -> Vec<[f64; 3]>

Pressure force kernel: compute pressure force on each particle.

Returns acceleration vectors [ax, ay, az] per particle.

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pub fn viscosity_force(&self) -> Vec<[f64; 3]>

Viscosity kernel: compute viscosity force on each particle.

Returns acceleration vectors [ax, ay, az] per particle.

Trait Implementations§

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impl Clone for SPHGpuKernels

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fn clone(&self) -> SPHGpuKernels

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for SPHGpuKernels

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for SPHGpuKernels

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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