Two cylindrical pressure vessels made of the same unidirectional lamina but with different fiber orientations were loaded as shown in Fig. P4.43 gave the following strain readings.

Cylinder A

Diameter: D = 100mm

Thickness: h = 5mm

Hoop wound ( i.e. fibers in the circumferential direction)

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Internal pressure: Measured strains: Cylinder B p = 20 MPa &, = 8 × 10³, &=&= 2.75 x 10³ Diameter: D = 100 mm Thickness: h= 5 mm Helically wound at 0 = 45° Axial load: P = 147 kN Measured strain: €₂=7 x 10³ Assuming V₁2 = 0.3, determine lamina moduli E₁, E₂, and G₁2- Cylinder A Cylinder B Fig. P4.43 Р 45° +D+ Internal pressure: Measured strains: Cylinder B p = 20 MPa &, = 8 × 10³, &=&= 2.75 x 10³ Diameter: D = 100 mm Thickness: h= 5 mm Helically wound at 0 = 45° Axial load: P = 147 kN Measured strain: €₂=7 x 10³ Assuming V₁2 = 0.3, determine lamina moduli E₁, E₂, and G₁2- Cylinder A Cylinder B Fig. P4.43 Р 45° +D+

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As Given that Cylinder A Hoop wound Diameter D 100 mm 01 m Thickness h 5 mm 5 ... View the full answer