Direct stiffness method

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History

A. R. Collar W. J. Duncan World War II John H. Argyris M. J. Turner

8 related topics

Example

Degrees of freedom Cartesian coordinate system Unit vector

3 related topics

Overview

Structural engineering Structural analysis Statically indeterminate Matrix Stiffness

12 related topics

Solution

System of linear equations Cholesky decomposition

2 related topics

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Overview

History

A. R. Collar Arthur Roderick Collar
W. J. Duncan W. J. Duncan?action=edit&redlink=1
World War II
John H. Argyris
M. J. Turner M. J. Turner?action=edit&redlink=1
Boeing
Structural Dynamics
Felippa 2001 Direct stiffness method

Member stiffness relations

Stiffness matrix

Solution

Example

Degrees of freedom Degrees of freedom (mechanics)
Cartesian coordinate system
Unit vector

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Nodes32

Edges31

Triples35

Avg. degree1.94

Density0.0625

Components1

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Direct stiffness method

Top relations

related to history · 13

Direct stiffness method → Aeroelastic, Argyris, Between, Boeing’s Structural Dynamics Unit, Collar, Duncan, Felippa, Finally, John, Nov, The, Turner, World War II

has application · 6

Direct stiffness method → In, One, The, Today, When, While

related to The direct stiffness method · 4

Direct stiffness method → Eq, In, It, The

related to External links · 3

Direct stiffness method → Application, Spring SystemMatrix Structural AnalysisAnimations, Stiffness Analysis Simulations

is a · 2

Direct stiffness method → field of structural analysis where this method has been incorporated into modeling software, most common implementation of the finite element method

related to Breakdown · 2

Direct stiffness method → Once, The

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Important terminology

stiffness method matrix direct element structure analysis system displaystyle structural displacements forces elements global member equation mathbf must software structures

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Direct stiffness method	is a	most common implementation of the finite element method	0.90	text
Direct stiffness method	is a	field of structural analysis where this method has been incorporated into modeling software	0.90	text
Eq	instance of	the members' stiffness relations	0.80	text
plates	instance of	Other elements	0.80	text
shells can also be incorporated into the direct stiffness method	instance of	Other elements	0.80	text
similar equations must be developed.AssemblyOnce the individual element stiffness relations have been developed they must be assembled into the original structure	instance of	Other elements	0.80	text
similar equations must be developed	instance of	Other elements	0.80	text
Direct stiffness method	has application	The	0.60	section
Direct stiffness method	has application	Today	0.60	section
Direct stiffness method	has application	While	0.60	section
Direct stiffness method	has application	In	0.60	section
Direct stiffness method	has application	One	0.60	section

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Member stiffness relations

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Direct stiffness method

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Direct stiffness method

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Important terminology Word statistics

Important terminology

Entity relationships Subject–Predicate–Object triples

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