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  • 1
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    Propagation of the transverse normal stress in a thick plate due to distributed lateral impulsive loadings (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A theoretical study of the elastic stresses produced in an infinite plate when struck by a high-speed object is presented. The solution is obtained by means of linear elasticity. Laplace transformation techniques are employed to solve the axisymmetric problem. The plate is loaded normal to its surface with a uniform load over a circular area. The normal stress at the wave front of the unreflected dilatation wave along the axis and its variation with the radius of loading are determined. Various facets of the problem are discussed.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-TM-X-2568 , L-8043
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Developments in elastic wave propagation in cylindrical shells (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Literature on longitudinal wave propagation in cylindrical shells is reviewed.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-112222
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Elastic plate spallation (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The dynamic finite element method was used to investigate elastic stress waves in a plate. Strain displacement and stress strain relations are discussed along with the stiffness and mass matrix. The results of studying point load, and distributed load over small, intermediate, and large radii are reported. The derivation of finite element matrices, and the derivation of lumped and consistent matrices for one dimensional problems with Laplace transfer solutions are included. The computer program JMMSPALL is also included.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-112294
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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