The Diffuse Approximation: a derivative tool dedicated to full-ﬁeld measurements
Laboratoire Roberval, UTC, 60200
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This study proposes a ﬁltering tool based on the diﬀuse approximation, in order to reconstruct strain ﬁelds from full-ﬁeld displacement measurements. The question of the ﬁltering of the noise is adressed and an alternative approach based on space-time ﬁltering is proposed. The methods are then applied to the detection of early damage detection on a tensile test on an interlock composite.
© Owned by the authors, published by EDP Sciences, 2010