Mathematical Problems in Engineering / 2014 / Article / Fig 1

Research Article

Modeling and Optimization for Piercing Efficiency and Energy Consumption Based on Mean Value Substaged KELM-PLS and GA Method

Figure 1

Definition of the parts for piercing process.
132654.fig.001a
(a) The start of the primary unstable piercing stage
132654.fig.001b
(b) The end of the primary unstable piercing stage
132654.fig.001c
(c) The end of the stable piercing stage
132654.fig.001d
(d) The end of the secondary unstable piercing stage

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.