The Finite Element Method - Mechanics of Structures: Variational and Computational Methods - page 358

FIGURE 6.15
(continued).

that the x and y loading components of a node are placed together (this corresponds to the
order of the displacement components in the element stiffness matrix of 2). From Eqs. (6.42)
(or 6.46) and (6.43), the loading vector for the element of Fig. 6.10 would appear as

1 T

2 3 4

p i 0 p y 4 ] T =

p x p y p y p y

= [ p x 1 p y 1 p x 2 p y 2 p x 3 p y 3 p x 4 (4)

p x p x p x p y