易拉罐在轴-侧-扭-内压联合作用下的屈曲地貌

宋广凯, 孙博华

BUCKLING LANDSCAPE OF CAN UNDER THE COMBINDE ACTION OF AXIAL COMPRESSION-TORSION-LATERAL POKING-INTERNAL PRESSURE

Song Guangkai, Sun Bohua

图1 1965年美国NASA[34]发布的压溃系数: $\kappa=1-0.901(1-{\rm e}^{-\frac{1}{16}\sqrt{\frac{R}{t}}})$

Fig.1 Knockdown factor issued by NASA in 1965: $\kappa=1-0.901(1-{\rm e}^{-\frac{1}{16}\sqrt{\frac{R}{t}}})$