794 resultados para Axial Deformation
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"Preliminary report"--Cover.
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"Department of Army Project no. 5B99-01-004, Ordnance R and D Project no. TB2-0001, Office of Ordnance Research Project no. 1348, Contract no. DA-19-020-ORD-3250."
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Mode of access: Internet.
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"January 1959."
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"Contract no. DA-49-186-AM-13 (X)"
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"Prepared under contract no. NOrd 18053."
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Mode of access: Internet.
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"USAAVLABS technical report 67-37."
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"Aeronautical Research Laboratory. Contract AF33(616)-3617, Project 6-(8-1367) Task 70524."
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"List of treatises on stresses": p. 190.
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Mode of access: Internet.
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Bibliography: leaves [99]-[100]
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Thesis (doctoral)--Friedrich-Alexanders-Universitat Erlangen.
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The aim of this article is to demonstrate that the apparent controversy between the infinitesimal deformation (ID) approach and the phenomenological theory of martensitic transformations (PTMTs) in predicting the crystallographic characteristics of a martensitic transformation is entirely based on unjustified approximations associated with the way in which the ID calculations are performed. When applied correctly, the ID approach is shown to be absolutely identical to the PTMT. Nevertheless, there may be some advantages in using the ID approach. In particular, it is somewhat simpler than the PTMT; it is based on a physical concept that is easier to understand and, most important, it may provide a tool for investigating some of the features of martensitic transformations that have eluded explanation via the PTMT.
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We compute the Dirac indexes for. the two spin structures kappa(0) and kappa(1) for Eguchi-Hanson metrics with nonzero total mass. It shows that the Dirac indexes do not vanish in general, and axial anomaly exists. When the metric has zero total mass, the Dirac index vanishes for the spin structure no, and no axial anomaly exists in this case.