0
TECHNICAL PAPERS

Determination of Poisson’s Ratio by Spherical Indentation Using Neural Networks—Part I: Theory

[+] Author and Article Information
N. Huber

Forschungszentrum Karlsruhe, Institut für Materialforschung II (IMF II), Postfach 3640, D-76021 Karlsruhe, Germanye-mail: norbert.huber@imf.fzk.de

A. Konstantinidis

Laboratory of Mechanics and Materials, Aristotle University of Thessaloniki, GR-54006 Thessaloniki, Hellas, Greecee-mail: avraam@mom.gen.auth.gr

Ch. Tsakmakis

Technische Universität Darmstadt, Institut für Mechanik 1, Hochschulstrasse 1, D-64289 Darmstadt, Germanye-mail: tsakmakis@mechanik.tu-darmstadt.de

J. Appl. Mech 68(2), 218-223 (Nov 01, 2000) (6 pages) doi:10.1115/1.1354624 History: Received March 26, 1999; Revised November 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Sketch of a spherical indentation depth-load response for elastic-plastic deformation
Grahic Jump Location
Finite element mesh for spherical indentation with low loads
Grahic Jump Location
Depth-load trajectories for the the finite element meshes M1–M3: E=200 GPa, ν=013,k0=250 MPa, ET=10 GPa (a<2.2 mm)
Grahic Jump Location
Examples of finite element simulations for Er*=200 GPa, k0=500 MPa, ET=20 GPa, ht=4hy*
Grahic Jump Location
The effect of ν and ET/Er* on Π2 for Π1*=const
Grahic Jump Location
The effect of ν and ET/Er* on Π3 for Π1*=const
Grahic Jump Location
Sketch of a multilayer feed forward neural net
Grahic Jump Location
Correlation of Π2 and Π3
Grahic Jump Location
Identification of ν on the basis of one unloading
Grahic Jump Location
Identification of ν on the basis of two unloadings
Grahic Jump Location
Dependency of identified Poisson’s ratio ν̃(h̃y*) using Set 1 and Set 2
Grahic Jump Location
Sketch of the geometry of spherical indentation with small overall plastic deformation

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In