Axial Stress of Cylinder Wall or Tube Formula - Classical Physics

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Formula:

σ_a =(p_i * r_i² - p_o * r_o²) / (r_o² - r_i²)

Where,
σ_a = Stress in Axial Direction of Cylinder Wall or Tube
p_i = Internal Pressure in the Tube
p_o = External Pressure in the Tube
r_i = Internal Radius in the Tube
r_o = External Radius in the Tube