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Some failure modes of sandwich walls

This figure is discussed in Fig. 5 of the PowerPoint presentation, 1997.sandwich.ppt, of the 1997 sandwich paper. Shown here are several modes of behavior of sandwich walls that correspond to design margins included in the PANDA2 computer program for optimum design of stiffened and unstiffened panels and shells.

REFERENCES:
Anonymous, “The basics of bonded sandwich construction”, Hexcel Corporation, Dublin, California, Report TSB 124, January 1988.

Anonymous, “Mechanical properties of honeycomb material”, Hexcel Corporation, Dublin, California, Report TSB 120, January 1988.

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