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Stiffness matrix

In the finite element method for the numerical solution of elliptic partial differential equations, the stiffness matrix is a matrix that represents the system of linear equations that must be solved in order to ascertain an approximate solution to the differential equation.

Art, Practical assembly of the stiffness matrix & The stiffness matrix for other problems

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Overview

The stiffness matrix for the Poisson problem

The stiffness matrix for other problems

Practical assembly of the stiffness matrix

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Stiffness matrix

Nodes33
Edges32
Triples11
Avg. degree1.94
Density0.060606
Components1

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Stiffness matrix

Top relations

related to The stiffness matrix for other problems · 5
Stiffness matrix → As, Determining, PDEs, Robin, We
related to Practical assembly of the stiffness matrix · 4
Stiffness matrix → In, The, Tk, Usually
is a · 2
Stiffness matrix → matrix that represents the system of linear equations that must be solved in order to ascertain an approximate solution to the differential equation, n-element square matrix A defined by A i j

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Important terminology

matrix stiffness element basis functions linear finite system equation boundary order problem domain piecewise elements method solution elliptic triangles poisson

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Stiffness matrixis amatrix that represents the system of linear equations that must be solved in order to ascertain an approximate solution to the differential equation0.90text
Stiffness matrixis an-element square matrix A defined by A i j0.90text
Stiffness matrixrelated to Practical assembly of the stiffness matrixIn0.60section
Stiffness matrixrelated to Practical assembly of the stiffness matrixUsually0.60section
Stiffness matrixrelated to Practical assembly of the stiffness matrixThe0.60section
Stiffness matrixrelated to Practical assembly of the stiffness matrixTk0.60section
Stiffness matrixrelated to The stiffness matrix for other problemsDetermining0.60section
Stiffness matrixrelated to The stiffness matrix for other problemsPDEs0.60section
Stiffness matrixrelated to The stiffness matrix for other problemsAs0.60section
Stiffness matrixrelated to The stiffness matrix for other problemsWe0.60section
Stiffness matrixrelated to The stiffness matrix for other problemsRobin0.60section

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