ConstraintCompanion.h

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#pragma once

#include "nuto/base/Group.h"
#include "nuto/mechanics/constraints/Constraints.h"
#include "nuto/mechanics/constraints/Equation.h"
#include "nuto/mechanics/DirectionEnum.h"
#include "nuto/mechanics/nodes/NodeSimple.h"

namespace NuTo
{

namespace Constraint
{

RhsFunction RhsRamp(double timeEnd, double valueEnd);

inline RhsFunction RhsConstant(double constantValue)
{
    return [=](double) { return constantValue; };
}


std::vector<Equation> Component(const NodeSimple& node, std::vector<eDirection> directions, double value = 0.0);

std::vector<Equation> Component(const Group<NodeSimple>& nodes, std::vector<eDirection> directions, double value = 0.0);

std::vector<Equation> Component(const NodeSimple& node, std::vector<eDirection> directions, RhsFunction rhs);

std::vector<Equation> Component(const Group<NodeSimple>& nodes, std::vector<eDirection> directions, RhsFunction rhs);


Equation Direction(const NodeSimple& node, Eigen::VectorXd direction, RhsFunction rhs);

Equation Direction(const NodeSimple& node, Eigen::VectorXd direction, double value = 0.0);

std::vector<Equation> Direction(const Group<NodeSimple>& nodes, Eigen::VectorXd direction, RhsFunction rhs);

std::vector<Equation> Direction(const Group<NodeSimple>& nodes, Eigen::VectorXd direction, double value = 0.0);

Equation Value(const NodeSimple& node, double value = 0.0);

Equation Value(const NodeSimple& node, RhsFunction rhs);

std::vector<Equation> Value(const Group<NodeSimple>& nodes, double value = 0.0);

std::vector<Equation> Value(const Group<NodeSimple>& nodes, RhsFunction rhs);

} /* Constraint */
} /* NuTo */