The nonlinear dynamic modelling of safety net systems is approached at different scales. For this purpose, the fundamental rope dynamic tests are the reference for two basic tools. One hand an analytical bidimensional model with explicit geometrical nonlinearity and bilinear material law is proposed for preliminary design. On the other hand, a nonlinear explicit finite element is defined for numerical modelling of net systems. Semi‐scale and full scale dynamic tests are performed to validate complete finite element models, suitable for global qualification of safety systems. The direct applications of these tools deal with explicit certification of safety systems for high‐speed sport, such as downhill competitions.
Multidiscipline Modeling in Materials and Structures – Emerald Publishing
Published: Jan 1, 2008
Keywords: Nonlinear materials; Explicit dynamics; Shock; Dynamic safety; Safety nets
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