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F.E. Analysis for Truss Structures >> F.E. Analysis for Truss Structures > stiffbar3d

stiffbar3d

1. Local stiffness matrix and deformation matrix (3d linear bar element formulation)

Calling Sequence

[kL, B, T, kG] = stiffbar3d(E, A, L, dircos, ne)

Parameters

INPUT ARGUMENTS:

E:

Modulus of elasticity [ne x 1]

A:

Cross-sectional Area [ne x 1]

L:

Bar length [ne x 1]

dircos:

Direction cosines [ne x 3]

ne:

Number of elements [1 x 1]

OUTPUT ARGUMENTS:

kL:

Local stiffness matrix [ne*2 x 2]

B:

Deformation matrix [ne*1 x 2]

T:

Coordinates Transformation matrix [ne*2 x 6]

kG:

Global stiffness matrix [ne*6 x 6]

See also

Authors


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