Numerical simulations of concrete flow: A benchmark comparison

被引：73
|
作者：
Roussel, Nicolas [1 ]
Gram, Annika [2 ]
Cremonesi, Massimiliano [3 ]
Ferrara, Liberato [3 ]
Krenzer, Knut [4 ]
Mechtcherine, Viktor [5 ]
Shyshko, Sergiy [5 ]
Skocec, Jan [6 ]
Spangenberg, Jon [7 ]
Svec, Oldrich [7 ]
Thrane, Lars Nyholm [8 ]
Vasilic, Ksenija [9 ]
机构：
[1] Univ Paris Est, Lab Navier, IFSTTAR, Paris, France
[2] Swedish Cement & Concrete Res Inst, Stockholm, Sweden
[3] Politecn Milan, Dept Civil & Environm Engn, Milan, Italy
[4] Inst Angew Bauforsch Weimar GmbH, IAB Weimar, Weimar, Germany
[5] Tech Univ Dresden, Inst Construct Mat, Dresden, Germany
[6] Heidelberg Cement Technol Ctr GmbH, Leimen, Germany
[7] Tech Univ Denmark, Dept Mech Engn, Lyngby, Denmark
[8] Danish Technol Inst, Lyngby, Denmark
[9] Fed Inst Mat Res & Testing, BAM, Berlin, Germany
来源：
CEMENT AND CONCRETE RESEARCH | 2016年 / 79卷
关键词：
Fresh Concrete (A); Rheology (A); Workability (A); Modeling (E); casting; LATTICE-BOLTZMANN METHOD; YIELD-STRESS; FRESH CONCRETE; ELEMENT METHOD; FLUID; MODEL; BEHAVIOR; SLUMP; PARAMETERS; RHEOLOGY;
D O I：
10.1016/j.cemconres.2015.09.022
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
First, we define in this paper two benchmark flows readily usable by anyone calibrating a numerical tool for concrete flow prediction. Such benchmark flows shall allow anyone to check the validity of their computational tools no matter the numerical methods and parameters they choose. Second, we compare numerical predictions of the concrete sample final shape for these two benchmark flows obtained by various research teams around the world using various numerical techniques. Our results show that all numerical techniques compared here give very similar results suggesting that numerical simulations of concrete filling ability when neglecting any potential components segregation have reached a technology readiness level bringing them closer to industrial practice. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：265 / 271
页数：7
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