conspire 0.7.1

The Rust interface to conspire.
Documentation 
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use crate::{
    constitutive::solid::elastic_viscoplastic::ElasticViscoplastic,
    fem::{
        ElementModelError, NodalCoordinates,
        block::{
            Block,
            element::{
                FiniteElementError, solid::elastic_viscoplastic::ElasticViscoplasticFiniteElement,
            },
        },
        solid::{
            NodalForcesSolid, NodalStiffnessesSolid,
            elastic_viscoplastic::ElasticViscoplasticElements,
        },
    },
    math::{
        Scalar, Tensor, TensorTupleListVec, TensorTupleListVec2D, optimize::EqualityConstraint,
    },
    mechanics::DeformationGradientPlastic,
};
use std::array::from_fn;

pub type ViscoplasticStateVariables<const G: usize, Y> =
    TensorTupleListVec<DeformationGradientPlastic, Y, G>;

pub type ViscoplasticStateVariablesHistory<const G: usize, Y> =
    TensorTupleListVec2D<DeformationGradientPlastic, Y, G>;

pub type ElasticViscoplasticBCs = fn(Scalar) -> EqualityConstraint;

impl<C, F, const G: usize, const M: usize, const N: usize, const P: usize, Y>
    ElasticViscoplasticElements<ViscoplasticStateVariables<G, Y>, 3> for Block<C, F, G, M, N, P>
where
    C: ElasticViscoplastic<Y>,
    F: ElasticViscoplasticFiniteElement<C, G, M, N, P, Y>,
    Y: Tensor,
{
    fn initial_state(&self) -> ViscoplasticStateVariables<G, Y> {
        self.elements()
            .iter()
            .map(|_| from_fn(|_| self.constitutive_model().initial_state()).into())
            .collect()
    }
    fn nodal_forces_into(
        &self,
        nodal_coordinates: &NodalCoordinates<3>,
        state_variables: &ViscoplasticStateVariables<G, Y>,
        nodal_forces: &mut NodalForcesSolid<3>,
    ) -> Result<(), ElementModelError> {
        match self
            .elements()
            .iter()
            .zip(self.connectivity())
            .zip(state_variables)
            .try_for_each(|((element, nodes), state_variables_element)| {
                element
                    .nodal_forces(
                        self.constitutive_model(),
                        &Self::element_coordinates(nodal_coordinates, nodes),
                        state_variables_element,
                    )?
                    .into_iter()
                    .zip(nodes)
                    .for_each(|(nodal_force, &node)| nodal_forces[node] += nodal_force);
                Ok::<(), FiniteElementError>(())
            }) {
            Ok(()) => Ok(()),
            Err(error) => Err(ElementModelError::Upstream(
                format!("{error}"),
                format!("{self:?}"),
            )),
        }
    }
    fn nodal_stiffnesses_into(
        &self,
        nodal_coordinates: &NodalCoordinates<3>,
        state_variables: &ViscoplasticStateVariables<G, Y>,
        nodal_stiffnesses: &mut NodalStiffnessesSolid<3>,
    ) -> Result<(), ElementModelError> {
        match self
            .elements()
            .iter()
            .zip(self.connectivity())
            .zip(state_variables)
            .try_for_each(|((element, nodes), state_variables_element)| {
                element
                    .nodal_stiffnesses(
                        self.constitutive_model(),
                        &Self::element_coordinates(nodal_coordinates, nodes),
                        state_variables_element,
                    )?
                    .into_iter()
                    .zip(nodes)
                    .for_each(|(object, &node_a)| {
                        object
                            .into_iter()
                            .zip(nodes)
                            .for_each(|(nodal_stiffness, &node_b)| {
                                nodal_stiffnesses[node_a][node_b] += nodal_stiffness
                            })
                    });
                Ok::<(), FiniteElementError>(())
            }) {
            Ok(()) => Ok(()),
            Err(error) => Err(ElementModelError::Upstream(
                format!("{error}"),
                format!("{self:?}"),
            )),
        }
    }
    fn state_variables_evolution(
        &self,
        nodal_coordinates: &NodalCoordinates<3>,
        state_variables: &ViscoplasticStateVariables<G, Y>,
    ) -> Result<ViscoplasticStateVariables<G, Y>, ElementModelError> {
        match self
            .elements()
            .iter()
            .zip(self.connectivity())
            .zip(state_variables)
            .map(|((element, nodes), element_state_variables)| {
                element.state_variables_evolution(
                    self.constitutive_model(),
                    &Self::element_coordinates(nodal_coordinates, nodes),
                    element_state_variables,
                )
            })
            .collect()
        {
            Ok(state_variables_evolution) => Ok(state_variables_evolution),
            Err(error) => Err(ElementModelError::Upstream(
                format!("{error}"),
                format!("{self:?}"),
            )),
        }
    }
}