AN INVESTIGATION OF POWER FLOW IN THE MID-FREQUENCY RANGE FOR SYSTEMS OF CO-LINEAR BEAMS BASED ON A HYBRID FINITE ELEMENT FORMULATION

2001 ◽  
Vol 242 (3) ◽  
pp. 445-473 ◽  
Author(s):  
N. VLAHOPOULOS ◽  
X. ZHAO
Keyword(s):  
Finite Element ◽  
Power Flow ◽  
Finite Element Formulation ◽  
Element Formulation ◽  
Frequency Range ◽  
Hybrid Finite Element

An Investigation of Power Flow in the Mid-Frequency Range for Systems of Co-Linear Beams Based on a Hybrid Finite Element Formulation

2000 ◽  
Author(s):  
Xi Zhao ◽  
Nickolas Vlahopoulos
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Power Flow ◽  
Radiation Effects ◽  
Flow Characteristics ◽  
Element Formulation ◽  
Damping Properties ◽  
Frequency Range ◽  
Element Analysis ◽  
Hybrid Finite Element

Abstract A hybrid finite element analysis (hybrid FEA) is employed for investigating power flow characteristics for systems of co-linear beams in the mid-frequency range. The importance of capturing power re-injection and power re-radiation effects in the solution is demonstrated. The dependency of the power flow characteristics of a system in the mid-frequency range on the rigidity, mass, and damping properties of its components is determined. Both the hybrid FEA and analytical solutions are employed for analyses in order to establish the viability of the hybrid FEA as a simulation technology in the mid-frequency range.

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