A Finite Difference Solution of a Simply Supported Beam of Orthotropic Composite Materials Using Displacement Potential Formulation

Table 2

Properties of composites used to obtain numerical results.

Material	Property	Boron/epoxy
Fiber	𝐸𝑓 (10^3 MPa)	414
	𝜈𝑓	0.20
Resin	𝐸𝑟 (10^3 MPa)	3.45
	𝜈𝑟	0.35
Composite	𝐸1 (10^3 MPa)	282.9
	𝐸2 (10^3 MPa)	24.2
	𝐺12 (10^3 MPa)	10.4
	𝜈12	0.27
	𝜈21	0.023