threed_beam_fea.h File Reference

#include <Eigen/SparseLU>
#include <Eigen/Core>
#include <Eigen/Geometry>
#include <Eigen/SparseCore>
#include "containers.h"
#include "options.h"
#include "summary.h"
#include "csv_parser.h"

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Classes
class	fea::GlobalStiffAssembler
	Assembles the global stiffness matrix. More...

Namespaces
	fea

Typedefs
typedef Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic >	fea::GlobalStiffMatrix
typedef Eigen::Matrix< double, 12, 12, Eigen::RowMajor >	fea::LocalMatrix
typedef Eigen::Matrix< double, Eigen::Dynamic, 1 >	fea::ForceVector
typedef Eigen::SparseMatrix< double >	fea::SparseMat

Functions
double	fea::norm (const Node &n1, const Node &n2)
	Calculates the distance between 2 nodes. More...
void	fea::loadBCs (SparseMat &Kg, ForceVector &force_vec, const std::vector< BC > &BCs, unsigned int num_nodes)
	Loads the boundary conditions into the global stiffness matrix and force vector. More...
void	fea::loadEquations (SparseMat &Kg, const std::vector< Equation > &equations, unsigned int num_nodes, unsigned int num_bcs)
void	fea::loadTies (std::vector< Eigen::Triplet< double > > &triplets, const std::vector< Tie > &ties)
	Loads any tie constraints into the set of triplets that will become the global stiffness matrix. More...
std::vector< std::vector< double > >	fea::computeTieForces (const std::vector< Tie > &ties, const std::vector< std::vector< double > > &nodal_displacements)
	Computes the forces in the tie elements based on the nodal displacements of the FE analysis and the spring constants provided in ties. More...
void	fea::loadForces (SparseMat &force_vec, const std::vector< Force > &forces)
	Loads the prescribed forces into the force vector. More...
Summary	fea::solve (const Job &job, const std::vector< BC > &BCs, const std::vector< Force > &forces, const std::vector< Tie > &ties, const std::vector< Equation > &equations, const Options &options)
	Solves the finite element analysis defined by the input Job, boundary conditions, and prescribed nodal forces. More...

Detailed Description

Author

Ryan Latture

Date

8-12-15

Contains declarations for 3D beam FEA functions.