Cross Sections

Circular Section

Figure 11-3: Geometry of a circular cross section. The diagram also displays in COMSOL Multiphysics when this option is selected.

Table 11-1: Circular Section Constants
Property	Formula	Remarks
A
Izz
ez	0
μy
κy
Iyy	Izz
ey	0
μz	μy
κz	κy
J
Wt
p1
p2
p3
p4
re

Figure 11-4: Geometry of a square shaped cross section. The diagram also displays in COMSOL Multiphysics when this option is selected.

Table 11-2: Square Section Constants
Property	expression	Remarks
A
Izz
ez	0
μy
κy
Iyy	Izz
ey	0
μz	μy
κz	κy
J		Thin-walled approximation
Wt		Thin-walled approximation
p1
p2
p3
p4
re

Rectangular Section

Figure 11-5: Geometry of a rectangular cross section. The diagram also displays in COMSOL Multiphysics when this option is selected.

Table 11-3: Rectangular Section Constants
Property	expression	Remarks
A
Izz
ez	0
μy
κy
Iyy
ey	0
μz
κz
J		Thin-walled approximation
Wt		Thin-walled approximation
p1
p2
p3
p4
re