| 2 | Displacement fields denoising and strains extraction by finite element method显示文摘Optical full-field measurement methods are now widely applied in various domains. In general,the displacement fields can be directly obtained from the measurement,however in mechanical analysis strain fields are preferred.To extract strain fields from noisy displacement fields is always a challenging topic.In this study,a finite element method for smoothing displacement fields and calculating strain fields is proposed.An experimental test case on a holed aluminum specimen under tension is applied to vali... | B.Q.Guo,~(1,a)) H.M.Xie,~(1,b)) Y.J.Li,~1P.W.Chen,~2and Q.M.Zhang~2 1) AML,Department of Engineering Mechanics,Tsinghua University,Beijing 100084,China 2) State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081, China | 2011 | Theoretical & Applied Mechanics Letters2011，1，1： | 1 |
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