Calculate pipe dent depth, dent energy and dent force using either the Ellinas and Walker equation, the Wierzbicki and Suh equation, or the general equation (John Brown).
References :
Elìinas, C. P., and Walker, A. C, Damage on Offshore Tubular Bracing Members, IABSE Colloquium—Copenhagen 1983, vol 42, pp. 253-261.
Wierzbicki, T. and Suh, M-S. Denting Analysis of Tubes Under Combined Loading. Report MITSG 86-5, Sea Grant Program, Massachusettes Institute Of technology, (1986).
John Brown Engineering And Construction.