Warping torsion in commercial vehicle frames, taking into consideration flexible joints Online publication date: Sun, 25-May-2014
by H.J. Beermann
International Journal of Vehicle Design (IJVD), Vol. 1, No. 5, 1980
Abstract: The torsional behaviour of commercial vehicle frames is dominated by warping torsion, because warping is inhibited in the joints where the cross-members are attached to the side-members. This paper presents a hybrid method of analysis, which combines finite element idealization of the joint areas with analytically derived beam elements for the cross-members and side-member sections. The beam element includes warping torsion force-displacement relationships. Thus, the flexibility of the joints is included together with the compatibility of warping displacements. The method gives close agreement with experimental results.
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