4. DYNAMIC AXIAL CRUSHING 4.1 Introduction
Figure 4.5 Axially crushed circular tube test specimens [ 4.1] Axisymmetric, or concertina, deformation mode on left and non- axisymmetric, or diamond deformation modes at centre and right. 4.2 Static axial crushing of a circular tube 4.2.1 Introduction A thin-walled circular tube of mean radius R and thickness H, when
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