SPH-based simulation of multi-material asteroid collisions

被引：17
|
作者：
Maindl, T. I. [1 ]
Schaefer, C. [2 ]
Speith, R. [3 ]
Sueli, A. [1 ,4 ]
Forgacs-Dajka, E. [1 ,4 ]
Dvorak, R. [1 ]
机构：
[1] Univ Vienna, Inst Astron, A-1180 Vienna, Austria
[2] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany
[3] Univ Tubingen, Inst Phys, D-72076 Tubingen, Germany
[4] Eotvos Lorand Univ, Dept Astron, H-1518 Budapest, Hungary
来源：
ASTRONOMISCHE NACHRICHTEN | 2013年 / 334卷 / 09期
基金：
奥地利科学基金会;
关键词：
celestial mechanics; stellar dynamics; equation of state; hydrodynamics; methods: numerical; minor planets; asteroids; solar system: formation; SMOOTHED PARTICLE HYDRODYNAMICS; NUMERICAL SIMULATIONS; IMPACT SIMULATIONS; FRACTURE;
D O I：
10.1002/asna.201311979
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We give a brief introduction to smoothed particle hydrodynamics methods for continuum mechanics. Specifically, we present our 3D SPH code to simulate and analyze collisions of asteroids consisting of two types of material: basaltic rock and ice. We consider effects like brittle failure, fragmentation, and merging in different impact scenarios. After validating our code against previously published results we present first collision results based on measured values for the Weibull flaw distribution parameters of basalt. ((c) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
引用
收藏
页码：996 / 999
页数：4
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