Lyakhovich, L. et al. 2019. ASSESSMENT CRITERIA OF OPTIMAL SOLUTIONS FOR CREATION OF RODS WITH PIECEWISE CONSTANT CROSS-SECTIONS WITH STABILITY CONSTRAINTS OR CONSTRAINTS FOR VALUE OF THE FIRST NATURAL FREQUENCY. PART 2: NUMERICAL EXAMPLES. International Journal for Computational Civil and Structural Engineering. 15, 4 (Dec. 2019), 101–110. DOI:https://doi.org/10.22337/2587-9618-2019-15-4-101-110.