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Photograph supplied by Michael Nemeth, NASA Langley Research Center, Hampton, Virginia
This and the next three slides are from NASA CR 124075, "Isogrid Design Handbook", February 1973, by R. R. Meyer, O.P. Harwood and J.I. Orlando
ABSTRACT:
A handbook of instructions for the design of isogrid, triangular integrally stiffened structures is presented. The basic theory for the anslysis of isogrid structures is discussed. Both flanged and unflanged structures are analyzed. The typical design situations for each type of structure are described, and methods for optimizing the structure for minimum weight are given where such methods exist. The method of analysis is followed by examples which explain the use of the equations and graphs.
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