The Compound Beam Element with Non-Linear Moment-Rotation Curves for the Side Impact and Roof Crush Analysis
Using DYNA3D Program
Date Published: 1992-06-01
Paper Number:921072
DOI: 10.4271/921072
Citation:
Kecman, D., Sadeghi, M., and Vignjević, R., "The Compound Beam Element with Non-Linear Moment-Rotation Curves for the Side Impact and Roof Crush Analysis
Using DYNA3D Program," SAE Technical Paper 921072, 1992, doi:10.4271/921072.
Author(s):
D. Kecman - Cranfield Impact Centre Ltd.
M. Sadeghi - Cranfield Impact Centre Ltd.
R. Vignjević - Cranfield Institute of Technology
Abstract:
In order to bring the advanced finite element programs closer to the requirements of the
early designstages
, a compound beam element with varying joint and hinge moment-rotation curves has been developed and implemented into the public version of program DYNA-3D. The new beam combines the existing Belytschko-Schwer beam element with rotary springs having very non linear moment-rotation curves in the elastic-plastic and deep collapse range. The element behaviour under uniaxial and biaxial bending presented using simple models where various effects can be easily traced.
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