scholarly journals DC-Compliant Macromodels Based on the Method of Characteristics for Frequency-Dependent Transmission Lines

2006 ◽  
Author(s):  
Stefano Grivet-Talocia ◽  
Flavio Canavero
Keyword(s):  
Transmission Lines ◽  
Method Of Characteristics ◽  
Frequency Dependent ◽  
The Method Of Characteristics

scholarly journals A Finite Element Model and Electronic Analogue of Pipeline Pressure Transients With Frequency-Dependent Friction

2003 ◽  
Vol 125 (1) ◽  
pp. 194-198 ◽  
Author(s):  
Jian-Jun Shu
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Transmission Lines ◽  
Method Of Characteristics ◽  
Space Form ◽  
Element Model ◽  
Analogue Circuit ◽  
Frequency Dependent ◽  
Fluid Transients ◽  
Basic Equations

A finite element model and its equivalent electronic analogue circuit has been developed for fluid transients in hydraulic transmission lines with laminar frequency-dependent friction. Basic equations are approximated to be a set of ordinary differential equations that can be represented in state-space form. The accuracy of the model is demonstrated by comparison with the method of characteristics.

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