Figure 8. First six mode shapes for the (a) Open category, and (b) Closed category

From

Virtual System to Simulate the Performance of Various Categories of Machine Tools during the Design Stage

Mounir Muhammad Koura, Muhammad Lotfy Zamzam, Amr Ahmed Sayed Shaaban

American Journal of Mechanical Engineering. 2015, 3(1), 7-15 doi:10.12691/ajme-3-1-2