… for torsion in circular cross-sections and thin-walled tubes

… for torsion in circular cross-sections and thin-walled tubes#

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Fig. 42 Figure 6.10 Hartsuijker and Welleman (2007)#

The kinematic relation for torsion is defined by:

\[\chi = \frac{{{d}\varphi_x}}{{{d}x}}\]

This is treated in chapter 6.2.1 of the book Engineering Mechanics Volume 2 (Hartsuijker and Welleman, 2007).