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First-And Second-Order Displacement Transfer Functions for Structural Shape Calculations Using Analytically Predicted Surface Strains
William L. Ko
Paperback. BiblioGov 2013-06-28.
ISBN 9781289145767
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Publisher description
New first- and second-order displacement transfer functions have been developed for deformed shape calculations of nonuniform cross-sectional beam structures such as aircraft wings. The displacement transfer functions are expressed explicitly in terms of beam geometrical parameters and surface strains (uniaxial bending strains) obtained at equally spaced strain stations along the surface of the beam structure. By inputting the measured or analytically calculated surface strains into the displacement transfer functions, one could calculate local slopes, deflections, and cross-sectional twist angles of the nonuniform beam structure for mapping the overall structural deformed shapes for visual display. The accuracy of deformed shape calculations by the first- and second-order displacement transfer functions are determined by comparing these values to the analytically predicted values obtained from finite element analyses. This comparison shows that the new displacement transfer functions could quite accurately calculate the deformed shapes of tapered cantilever tubular beams with different tapered angles. The accuracy of the present displacement transfer functions also are compared to those of the previously developed displacement transfer functions
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First-And Second-Order Displacement Transfer Functions for Structural Shape Calculations Using Analytically Predicted Surface Strains
Book reviews » First-And Second-Order Displacement Transfer Functions for Structural Shape Calculations Using Analytically Predicted Surface Strains
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