DISSIPATIVE ENTROPY MAKES THE HEAT EQUATION HYPERBOLIC

被引:1
|
作者
Podio-Guidugli, Paolo [1 ]
机构
[1] Univ Roma Tor Vergata, Dipartimento Ingn Civile, Viale Politecn 1, I-00133 Rome, Italy
来源
ATTI ACCADEMIA PELORITANA DEI PERICOLANTI-CLASSE DI SCIENZE FISICHE MATEMATICHE E NATURALI | 2013年 / 91卷
关键词
D O I
10.1478/AAPP.91S1A15
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Infinite disturbance speed, an undesirable feature of the standard heat equation, is usually avoided by assuming a Boltzmann-Volterra dependence of the heat influx vector on the history of the temperature gradient. It is shown in this paper how to attain the same desideratum by postulating a constitutive splitting of entropy into standard and dissipative parts.
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页数:8
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