Browse Publications Technical Papers 2003-01-1449
2003-05-05

Development and Applications PFA (Power Flow Analysis) Software for Vibration Analysis of Automobiles 2003-01-1449

The Power Flow Finite Element Method (PFFEM) offers very promising results in predicting the vibration responses of system structures. We have developed the PFFEM based software for the vibration analysis in medium-to-high frequency ranges. The software can analyze the system structures composed of beam, plate, shell, link and other. components developed, and has many useful functions. In homogeneous domain, the software solves the energy governing differential equations for multi-DOF structural elements. At the discontinuities, it generates joint elements to cover the vibrational attenuation and can solve the joint element equations by using the wave transmission approach very efficiently. For the application of real vehicle system, an automobile is examined with respect to several parameters.

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