Stiffness reduction and stress transfer in composite laminates with transverse matrix cracks /

a way as to compare with the solution for an isolated crack

Bibliographic Details
Main Author: Praveen, Grama Narasimhaprasad, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a way as to compare with the solution for an isolated crack
are derived using the layerwise laminate theory of Reddy. A
Cross-ply laminates and angle-ply laminates with transverse
displacements at different crack densities were normalized in
distribution of transverse cracks, has been derived using the
effective axial modulus is in very good agreement with
experimental results, and was found to approach a fixed value
field variables in a typical representative volume element
finite element solution of the equations of the layerwise
in an infinite isotropic plane elastic body. The mechanics
modulus at lower crack densities. The crack opening
of load transfer has been examined in detail based on the
plies containing through-width matrix cracks across the
principle of minimum potential energy. The boundary value
principle of superposition. The equations governing the
problem associated with the cracked body is solved using the
staggered and non-staggered cracking. Laminates with
staggered cracks showed a greater reduction in effective
stiffness of the cracked laminates with a uniform
stresses in the representative volume element.
that of Hashin. An upper bound on the effective axial
theory is also developed. The predicted reduction in the
thickness of the transverse plies are studied using a
variational, strain energy based approach, complementary to
with increase in crack density, for laminates with both
Item Description:"Major subject: Mechanical Engineering".
Vita.
Physical Description:xii, 130 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.