TY - JOUR
T1 - Tensor field tomography based on 3D photoelasticity
AU - Wijerathne, M. L.L.
AU - Oguni, Kenji
AU - Hori, Muneo
N1 - Funding Information:
We gratefully acknowledge the support from the Japan Society for the Promotion of Science through a Grant-in-Aid for Encouragement of Young Scientists (No. 13750439) and the support from the Asian Development Bank through ADB–JSP (Asian Development Bank–Japan Scholarship Program).
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2002/9
Y1 - 2002/9
N2 - A new method for non-destructive measurement of arbitrary 3D stress state using photoelasticity has been developed. The new approach, namely, load incremental approach, is an attempt to solve the non-linear inverse problem of 3D photoelasticity by considering change in stress state for a load increment and linearizing the non-linear governing equation. As long as the applied load increment is small and photoelastic images are taken with high resolution in load increment, this method works and can reconstruct arbitrary 3D stress state. Numerical simulations clarify the effect of (i) the material sensitivity, (ii) the number of the observations and (iii) the constraint on the observation directions on the performance of the proposed method. These results provide the fundamental data for designing the experimental setup for 3D photoelasticity.
AB - A new method for non-destructive measurement of arbitrary 3D stress state using photoelasticity has been developed. The new approach, namely, load incremental approach, is an attempt to solve the non-linear inverse problem of 3D photoelasticity by considering change in stress state for a load increment and linearizing the non-linear governing equation. As long as the applied load increment is small and photoelastic images are taken with high resolution in load increment, this method works and can reconstruct arbitrary 3D stress state. Numerical simulations clarify the effect of (i) the material sensitivity, (ii) the number of the observations and (iii) the constraint on the observation directions on the performance of the proposed method. These results provide the fundamental data for designing the experimental setup for 3D photoelasticity.
KW - 3D photoelasticity
KW - Arbitrary 3D state of stress
KW - Full-field measurement
KW - Load incremental approach
KW - Non-linear inversion analysis
KW - Tensor field tomography
UR - http://www.scopus.com/inward/record.url?scp=0036724071&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0036724071&partnerID=8YFLogxK
U2 - 10.1016/S0167-6636(02)00155-2
DO - 10.1016/S0167-6636(02)00155-2
M3 - Article
AN - SCOPUS:0036724071
SN - 0167-6636
VL - 34
SP - 533
EP - 545
JO - Mechanics of Materials
JF - Mechanics of Materials
IS - 9
ER -