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首页> 外文期刊>Annals of Forest Science >Modelling the biomechanical behaviour of growing trees at the forest stand scale. Part 1: Development of an incremental Transfer Matrix Method and application to simplified tree structures
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Modelling the biomechanical behaviour of growing trees at the forest stand scale. Part 1: Development of an incremental Transfer Matrix Method and application to simplified tree structures

机译：在林分尺度上模拟正在生长的树木的生物力学行为。第1部分：增量传输矩阵方法的开发及其在简化树结构中的应用

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摘要

Stem straightness defects are often associated with heterogeneities in wood structure in relation to tree tropisms. This paper presents a numerical model which is dedicated to simulate the biomechanical behaviour of growing trees. A simplified description of tree structure, separating trunk and crown, has been used in order to perform future calculations at the stand level. The model is based on the Transfer Matrix Method, which was adjusted under an incremental form to compute the evolution of trunk biomechanics during growth. Deflections due to self-weight distribution and straightening up reactions, which are associated with maturation strains of reaction wood cells, were considered. This model has been implemented in the CAPSIS software. Numerical results were compared to those obtained by the software AMAPpara, which is more applicable to the whole tree architecture level. Limits of the simplified description, which will be useful for studies at stand level, are discussed.
机译：茎直度缺陷通常与树木的向性相关，与木材结构的异质性有关。本文提出了一个数值模型，专用于模拟正在生长的树木的生物力学行为。为了将展位级别进行将来的计算，已经使用了简化的树干和树冠结构描述。该模型基于转移矩阵方法，该方法以增量形式进行了调整，以计算生长过程中树干生物力学的演变。考虑了由于自重分布和拉直反应引起的挠曲，这些挠曲与反应木细胞的成熟菌株有关。该模型已在CAPSIS软件中实现。将数值结果与通过软件AMAPpara获得的结果进行了比较，该软件更适用于整个树体系结构级别。讨论了简化说明的局限性，这对展位水平的研究将是有用的。

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