Issue Section:
Discussions
Topics:
Buckling
In Ref. [1], the authors study the evolution of buckling in a dynamically impacted column. They formulate the mathematical problem by means of the partial differential equations
(1)
(2)
within the corresponding boundary conditions, where is a predeformation. This mathematical formulation is not completely consistent and we believe it could easily be improved as described below. Equations (1) and (2) lead to
(3)
(4)
if we neglect the predeformation
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