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Cubic Zig-Zag Enrichment of the Classical Kirchhoff Kinematics for Laminated and Sandwich Plates
| AUTHOR | Nasa, National Aeronautics and Space Adm |
| PUBLISHER | Independently Published (01/14/2019) |
| PRODUCT TYPE | Paperback (Paperback) |
Description
A detailed anaylsis and examples are presented that show how to enrich the kinematics of classical Kirchhoff plate theory by appending them with a set of continuous piecewise-cubic functions. This analysis is used to obtain functions that contain the effects of laminate heterogeneity and asymmetry on the variations of the inplane displacements and transverse shearing stresses, for use with a {3, 0} plate theory in which these distributions are specified apriori. The functions used for the enrichment are based on the improved zig-zag plate theory presented recently by Tessler, Di Scuva, and Gherlone. With the approach presented herein, the inplane displacements are represented by a set of continuous piecewise-cubic functions, and the transverse shearing stresses and strains are represented by a set of piecewise-quadratic functions that are discontinuous at the ply interfaces. Nemeth, Michael P. Langley Research Center NASA/TM-2012-217570, L-20143, NF1676L-14666
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Product Details
ISBN-13:
9781793967855
ISBN-10:
1793967857
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
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Page Count:
34
Carton Quantity:
120
Product Dimensions:
8.50 x 0.07 x 11.00 inches
Weight:
0.23 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Science | Space Science - General
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A detailed anaylsis and examples are presented that show how to enrich the kinematics of classical Kirchhoff plate theory by appending them with a set of continuous piecewise-cubic functions. This analysis is used to obtain functions that contain the effects of laminate heterogeneity and asymmetry on the variations of the inplane displacements and transverse shearing stresses, for use with a {3, 0} plate theory in which these distributions are specified apriori. The functions used for the enrichment are based on the improved zig-zag plate theory presented recently by Tessler, Di Scuva, and Gherlone. With the approach presented herein, the inplane displacements are represented by a set of continuous piecewise-cubic functions, and the transverse shearing stresses and strains are represented by a set of piecewise-quadratic functions that are discontinuous at the ply interfaces. Nemeth, Michael P. Langley Research Center NASA/TM-2012-217570, L-20143, NF1676L-14666
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