scirs2_integrate::specialized::fluid_dynamics::core::parameters

Struct NavierStokesParams

pub struct NavierStokesParams {
    pub nu: f64,
    pub rho: f64,
    pub dt: f64,
    pub max_pressure_iter: usize,
    pub pressure_tol: f64,
    pub semi_lagrangian: bool,
}

Expand description

Navier-Stokes solver parameters

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§nu: f64

Kinematic viscosity

§rho: f64

Density (for incompressible flow, usually 1.0)

§dt: f64

Time step

§max_pressure_iter: usize

Maximum iterations for pressure solver

§pressure_tol: f64

Tolerance for pressure solver

§semi_lagrangian: bool

Use semi-Lagrangian advection

Implementations§

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impl NavierStokesParams

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pub fn with_reynolds_number( reynolds: f64, characteristic_velocity: f64, characteristic_length: f64, ) -> Self

Create new parameters with specified Reynolds number Reynolds number = U * L / nu, where U is characteristic velocity, L is characteristic length

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pub fn with_viscosity(nu: f64) -> Self

Create new parameters with specified viscosity

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pub fn with_time_step(dt: f64) -> Self

Create new parameters with specified time step

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pub fn reynolds_number( &self, characteristic_velocity: f64, characteristiclength: f64, ) -> f64

Calculate the Reynolds number given characteristic velocity and length

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pub fn cfl_number_2d(&self, u_max: f64, vmax: f64, dx: f64, dy: f64) -> f64

Calculate CFL number for stability analysis CFL = u * dt / dx + v * dt / dy (+ w * dt / dz for 3D)

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pub fn cfl_number_3d( &self, u_max: f64, v_max: f64, w_max: f64, dx: f64, dy: f64, dz: f64, ) -> f64

Calculate CFL number for 3D case

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pub fn viscous_cfl_2d(&self, dx: f64, dy: f64) -> f64

Calculate viscous CFL number Viscous CFL = nu * dt * (1/dx^2 + 1/dy^2 + 1/dz^2)

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pub fn viscous_cfl_3d(&self, dx: f64, dy: f64, dz: f64) -> f64

Calculate viscous CFL number for 3D case

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

Validate parameters for numerical stability

Trait Implementations§

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impl Clone for NavierStokesParams

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fn clone(&self) -> NavierStokesParams

Returns a duplicate of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for NavierStokesParams

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

Formats the value using the given formatter. Read more

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impl Default for NavierStokesParams

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for NavierStokesParams

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> 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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