Impact on granular bed: validation of discrete element modeling results by means of two-dimensional finite element analysis

被引：10

作者：

Marzulli, Valentina ^{[1
]}

Cisneros, Luis Armando Torres ^{[1
]}

di Lernia, Annamaria ^{[2
]}

Windows-Yule, Christopher Robert Kit ^{[3
]}

Cafaro, Francesco ^{[2
]}

Poeschel, Thorsten ^{[1
]}

机构：

[1] Friedrich Alexander Univ Erlangen Nurnberg, Inst Multiscale Simulat, Cauerstr 3, D-91058 Erlangen, Germany

[2] Politecn Bari, Dept Civil Environm Land Bldg Engn & Chem, Via Orabona 4, I-70125 Bari, Italy

[3] Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England

来源：

GRANULAR MATTER | 2020年 / 22卷 / 01期

关键词：

Finite element analysis; Impact response; Granular material; Soil-structure interaction; Numerical simulations; Discrete element model; SOIL-STRUCTURE INTERACTION;

D O I：

10.1007/s10035-019-0988-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The study of processes characterized by impulsive nature (i.e. impacts) can be considered of great interest in both physics and engineering disciplines: in the geotechnical field, for instance, their effect on the interaction between soil and structures need to be investigated. The present work aims at the validation, by means of two-dimensional finite element simulations, of a methodology of force calibration which uses results obtained from three-dimensional discrete element analysis for predicting the stress at the base of a granular bed, retained by a movable wall, arising when the system is hit by a projectile. To approach this problem, the low-velocity impact has been modeled as a punctual impulsive force on a granular packing.

引用

页数：10

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