On the "strength" of the small bodies of the solar system: A review of strength theories and their implementation for analyses of impact disruptions
On the "strength" of the small bodies of the solar system: A review of strength theories and their implementation for analyses of impact disruptions
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DOI：
10.1016/j.pss.2008.05.015
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发表时间：
2009-02-01
影响因子：
2.4
通讯作者：
Holsapple, Keith A.
中科院分区：
文献类型：
--
作者：
Holsapple, Keith A.
太阳系的小天体由岩石、尘埃、冰和金属组成，一般都显示出强度的特征;毫无疑问，这种性质在它们的碰撞演化中发挥了重要作用。但是，力量的量化是困难的，因为有许多不同的力量衡量标准，而这些标准在很大程度上取决于一个机构的组成，以前的历史和规模。虽然它是我们小天体破裂的标度理论的基础，也是代码计算的重要部分，但我们只是最近才开始理解和掌握这种强度性质，并以适当的方式在我们的理论和计算中对其进行建模。这是撞击分析所需的地质型材料强度理论的一般概述。强度模型的主要特点进行了讨论，并在文献中的各种模型的比较，功能模板。本文总结了强度理论在冲击计算中的应用。(C)2008爱思唯尔有限公司保留所有权利。
Composed of rocks, dirt, ices and metals, the small bodies of the Solar System generally show features of strength; and that property undoubtedly played a major role in their collisional evolution. But the quantification of strength is difficult because there are many different measures of strength, and those measures depend significantly on a body's composition, previous history and size. Although it is at the foundations of our scaling theories for the disruption of small bodies, and an essential part of code calculations, we have only recently begun to understand and come to grips with that strength property and in appropriate ways to model it in our theories and calculations.This is a general overview of strength theories for geological-type materials as needed for impact analyses. Dominant features of strength models are discussed, and comparisons of various models in the literature against that feature template is given. A summary of the use of strength theories in impact calculations is presented. (C) 2008 Elsevier Ltd. All rights reserved.