Struct Harmonic 

pub struct Harmonic {
    pub rest_length: Scalar,
    pub stiffness: Scalar,
}

The harmonic potential.

Fields

rest_length: Scalar

The rest length $x_0$.

stiffness: Scalar

The stiffness $k$.

Trait Implementations

impl Clone for Harmonic

fn clone(&self) -> Harmonic

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Harmonic

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

Formats the value using the given formatter.

impl Potential for Harmonic

fn energy(&self, length: Quantity<Length>) -> Quantity<Energy>

u(x) = \frac{1}{2}\,k(x - x_0)^2

fn force(&self, length: Quantity<Length>) -> Quantity<Force>

f(x) = k(x - x_0)

fn forces_at_energy(&self, energy: Quantity<Energy>) -> [Quantity<Force>; 2]

f = \pm\sqrt{2ku}

fn stiffness(&self, _length: Quantity<Length>) -> Quantity<ForcePerLength>

k(x) = k

fn anharmonicity(&self, _length: Quantity<Length>) -> Quantity<Stress>

h(x) = 0.0

fn extension(&self, force: Quantity<Force>) -> Quantity<Length>

\Delta x(f) = \frac{f}{k}

fn extensions_at_energy( &self, energy: Quantity<Energy>, ) -> [Quantity<Length>; 2]

\Delta x = \pm\sqrt{\frac{2u}{k}}

fn compliance( &self, _force: Quantity<Force>, ) -> Quantity<ReciprocalForcePerLength>

c(f) = \frac{1}{k}

fn peak(&self) -> Quantity<Length>

\text{arg max }u(x) = \infty

fn peak_force(&self) -> Quantity<Force>

f(x_\mathrm{peak}) = \infty

fn rest_length(&self) -> Quantity<Length>

\text{arg min }u(x) = x_0

fn nondimensional_energy( &self, nondimensional_length: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn energy_at_force(&self, force: Quantity<Force>) -> Quantity<Energy>

fn nondimensional_energy_at_nondimensional_force( &self, nondimensional_force: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn nondimensional_force( &self, nondimensional_length: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn nondimensional_forces_at_nondimensional_energy( &self, nondimensional_energy: Scalar, temperature: Quantity<Temperature>, ) -> [Scalar; 2]

fn nondimensional_stiffness( &self, nondimensional_length: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn nondimensional_anharmonicity( &self, nondimensional_length: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn legendre(&self, force: Quantity<Force>) -> Quantity<Energy>

fn nondimensional_legendre( &self, nondimensional_force: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn nondimensional_extension( &self, nondimensional_force: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn length(&self, force: Quantity<Force>) -> Quantity<Length>

fn nondimensional_length( &self, nondimensional_force: Scalar, temperature: Quantity<Temperature>, ) -> Scalar

fn nondimensional_extensions_at_nondimensional_energy( &self, nondimensional_energy: Scalar, temperature: Quantity<Temperature>, ) -> [Scalar; 2]

fn lengths_at_energy(&self, energy: Quantity<Energy>) -> [Quantity<Length>; 2]

fn nondimensional_lengths_at_nondimensional_energy( &self, nondimensional_energy: Scalar, temperature: Quantity<Temperature>, ) -> [Scalar; 2]

fn nondimensional_compliance( &self, nondimensional_force: Scalar, temperature: Quantity<Temperature>, ) -> Scalar