Parametric study on the capability of three-dimensional finite element analysis (3D-FEA) of compressive behaviour of Douglas fir

Published Date

Publication History

Received:

2015-07-02

Accepted:

2015-09-29

Published Online:

2015-10-24

Author 

Jung-Pyo Hong1 / Jun-Jae Lee2 / Hwanmyeong Yeo2 / Chul-Ki Kim2 / Sung-Jun Pang2 / Jung-Kwon Oh1

1Research Institute for Agriculture and Life Science, Department of Forest Sciences, Seoul National University, Seoul, Korea

2Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, Korea

Corresponding author: Jung-Kwon Oh, Research Institute for Agriculture and Life Science, Department of Forest Sciences, Seoul National University, Seoul, Korea, e-mail:  (email)

Abstract

This study is aiming at the simulation of wood compression (C) at a macroscopic level by means of a three-dimensional finite element analysis (3D-FEA) of solid wood and evaluation of the capability and limitations of this approach. C-Tests were carried out on Douglas fir according to ASTM D 143. The specimens included the 25×25×100 mm3 cuboid bars for longitudinal (L), radial (R) and tangential (T) directions and the conventional 50×50×150 mm3 blocks for the perpendicular to grain (⊥) direction. Two sets of wood parameters were developed and the 3D-FEA was implemented for the two types of specimens. The 3D-FEA worked successfully provided that the stress state coming from the total wood C was uniform. However, in case of the dominance of local compressive behaviour such as bearing, crushing and fibre shear, a microscopic-level modelling technique is needed for correction of the material parameters. More details on the limitations and difficulties of 3D-FE implementation for wood were discussed.

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https://www.degruyter.com/view/j/hfsg.2016.70.issue-6/hf-2015-0151/hf-2015-0151.xml?rskey=KPhhmW&result=1