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FrozenSoilModel

oxiphysics_materials::geomaterial_models

Struct FrozenSoilModel 

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pub struct FrozenSoilModel {
    pub c_unfrozen: f64,
    pub phi_unfrozen: f64,
    pub ice_strength_coeff: f64,
    pub creep_n: f64,
    pub creep_a: f64,
    pub freeze_temp: f64,
    pub unfrozen_alpha: f64,
    pub unfrozen_beta: f64,
}
Expand description

Temperature-dependent frozen soil model.

Accounts for ice-bonding strength and creep at sub-zero temperatures.

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§c_unfrozen: f64

Unfrozen soil cohesion [Pa].

§phi_unfrozen: f64

Unfrozen friction angle [radians].

§ice_strength_coeff: f64

Ice bonding strength coefficient [Pa / C].

§creep_n: f64

Creep exponent n.

§creep_a: f64

Creep reference rate A [1/s].

§freeze_temp: f64

Temperature at which freezing starts [C].

§unfrozen_alpha: f64

Unfrozen water content model parameter alpha.

§unfrozen_beta: f64

Unfrozen water content model parameter beta.

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impl FrozenSoilModel

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pub fn new( c_unfrozen: f64, phi_unfrozen_deg: f64, ice_strength_coeff: f64, creep_n: f64, creep_a: f64, ) -> Self

Create a new frozen soil model.

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pub fn cohesion(&self, temp_c: f64) -> f64

Total cohesion at temperature T [C].

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pub fn friction_angle(&self, temp_c: f64) -> f64

Friction angle [radians] at temperature T [C]. Ice bonding slightly reduces effective friction at very low temperatures.

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pub fn ucs(&self, temp_c: f64) -> f64

Uniaxial compressive strength at temperature T [C].

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pub fn creep_rate(&self, q: f64, temp_c: f64) -> f64

Creep strain rate [1/s] at deviatoric stress q and temperature T.

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pub fn unfrozen_water_content(&self, temp_c: f64) -> f64

Unfrozen water content at temperature T [C].

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pub fn thermal_conductivity( &self, temp_c: f64, k_soil: f64, k_ice: f64, k_water: f64, ) -> f64

Thermal conductivity [W/(m K)] using geometric mean of frozen/unfrozen.

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pub fn is_frozen(&self, temp_c: f64) -> bool

Is the soil frozen at temperature T?

Trait Implementations§

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impl Clone for FrozenSoilModel

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fn clone(&self) -> FrozenSoilModel

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 FrozenSoilModel

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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<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

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impl<T, U> Into<U> 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.