Modeling the viscoelastic function of asphalt concrete using a spectrum method

被引：31
|
作者：
Mun, Sungho [1 ]
Zi, Goangseup [2 ]
机构：
[1] Korea Expressway Corp, Expressway & Transportat Res Inst, Hwaseong Si 445812, Gyeonggi Do, South Korea
[2] Korea Univ, Dept Civil & Environm Engn, Seoul 136701, South Korea
来源：
MECHANICS OF TIME-DEPENDENT MATERIALS | 2010年 / 14卷 / 02期
关键词：
Continuous spectrum; Wiechert model; Kelvin model; Prony series representation; RELAXATION SPECTRUM; INTERCONVERSION;
D O I：
10.1007/s11043-009-9102-0
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A continuous spectrum method is proposed and applied for modeling the time-domain viscoelastic function of asphalt concrete materials. This technique, employing a Wiechert model for the relaxation function and a Kelvin model for the compliance function, is found to substantially enhance accuracy and consistency compared to existing methods. Furthermore, this paper shows how to determine a time-domain Prony series representation, which can be used efficiently for numerical analysis, such as finite element analysis, from the complex modulus in the frequency domain, based on the continuous spectrum method.
引用
收藏
页码：191 / 202
页数：12
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