Symbols and Abbreviations
Latin Symbols (Capital Letters)
A
Area, cross-sectional area
A s
Shear area
C
Elasticity constant
D
Bending rigidity
D
Compliance matrix
E
Young’s modulus
EA Tensile stiffness
EI
Bending stiffness
F
Force
F
Column matrix of loads
G
Shear modulus
I
Second moment of area
K
Global stiffness matrix
K T Tangent stiffness matrix
L
Length
M
Moment
N
Normal force (internal), Interpolation function
Q
Shear force (internal)
R
Equivalent nodal force
W
Weight function
X
Global Cartesian coordinate
DX Node spacing
Y
Global Cartesian coordinate
Z
Global Cartesian coordinate
xiii