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Title: A new data reduction scheme to obtain the mode II fracture properties of Pinus Pinaster wood
Author: Silva, M. A. L.
Moura, M. F. S. F. de
Morais, A. B. de
Morais, J. J. L.
Issue Date: 22-Feb-2006
Publisher: Universidade do Minho
Abstract: In this work a numerical study of the End Notched Flexure (ENF) specimen was performed in order to obtain the mode II critical strain energy released rate (GIIc) of a Pinus pinaster wood in the RL crack propagation system. The analysis included interface finite elements and a progressive damage model based on indirect use of Fracture Mechanics. The difficulties in monitoring the crack length during an experimental ENF test and the inconvenience of performing separate tests in order to obtain the elastic properties are well known. To avoid these problems, a new data reduction scheme based on the equivalent crack concept was proposed and validated. This new data reduction scheme, the Compliance-Based Beam Method (CBBM), does not require crack measurements during ENF tests and additional tests to obtain elastic properties.
Peer review: yes
ISBN: 972-99596-1-7
Publisher Version:
Appears in Collections:MEC - Comunicações

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