DESIGN AND GROWTH RULES FOR BIOLOGICAL STRUCTURES AND THEIR APPLICATION TO ENGINEERING

被引：44

作者：

MATTHECK, C

机构：

[1] Kernforschungszentrum Karlsruhe, Institut für Material- und Festkörperforschung IV, Karlsruhe

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1990年 / 13卷 / 05期

关键词：

D O I：

10.1111/j.1460-2695.1990.tb00623.x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Starting from the well‐accepted but not proved hypothesis that biological load carrying structures are highly optimized by growth, some examples are given and their degrees of optimization are demonstrated. Especially branch joints, deer antlers, branch holes in trees and modelling growth of trees loaded by contact stresses are discussed. On the basis of the knowledge that biological structures always try to avoid localized stress peaks (notch stresses), and that they try to grow into a locally homogeneous surface stress state, a new method of CAO (computer aided shape‐optimization) is proposed which relies on biological growth. Its efficiency and success are demonstrated for two‐ and three‐dimensional structures with very homogenous stress states after optimization. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：535 / 550

页数：16

共 20 条

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[2]

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[3]

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[4]

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[5]

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[9]

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[10]

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