Full-Field Measurements in the Edge Crush Test of a Corrugated Board—Analytical and Numerical Predictive Models

This article focuses on the derivation of simplified predictive models for identification overall compressive stiffness and strength corrugated cardboards. As a representative example an unsymmetrical 5-ply sample (with E B flute) was used in this study. In order to exclude unreliable displacement measurement standard edge crush test, virtual strain gauges were used. Video extensometry employed collect measurements from outer surfaces both sides. Additional data allowed real force-displacement curves be obtained, which validation procedure. To emulate experimental results, besides simple analytical model, 3D numerical model fully reflecting geometry board, based finite elements method also built. cases good agreement between results calculations observed. proved that proposed can successfully determine provided properties all layers board are known. The presented work enables quick reliable design prototyping new assemblies without need manufacture them.