Table of Contents
PREDICTING THE BEHAVIOUR OF A WIDE SANDWICH BEAM UNDER PRESSURE LOADING
Benchmarking studies DOGMA modelling group
PREDICTING THE BEHAVIOUR OF A WIDE SANDWICH BEAM UNDER PRESSURE LOADING
Previous test-model correlations for pressure loaded sandwich panels
Input material data for modelling
IFREMER 100 ton capacity test frame
Panel geometry and output data points
Stiffener geometries
Modelling
Models applied
Seven FE codes, over 20 models
Tests performed, foam stiffened panels
Core shear strain by image analysis
Correlation test-analytical models
Correlation test-linear FE models
PPT Slide
Non-linear behaviour predicted near foam stiffener
Core shear strains Correlation between measured (image analysis) and predicted (non-linear FE) values
No influence of stiffener type on measured central displacements…...
……but higher central strains measured on steel stiffened panel (different deformed panel shape)
Some conclusions
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