Design and Analysis of Medium Utility Chassis of Heavy Motor Vehicle
Shrisharada Shrirang Mhatre, Gajendra V Patil, Shishirkumar Kadam
Harmonic Analysis, Static Structural Analysis, FEA, ANSYS
In this work, the harmonic and static structural analyses of the ladder chassis frame are carried out by using ANSYS. Modal analysis through harmonic response of the chassis was done for structural steel and A710 steel materials. It was observed that a particular frequency was close to engine excitation. In this case chassis may experience structural resonance. It is to be noted that harmonic analysis as well as frequency response analysis will not give us stress- strain details. To know the stress- strain details, static structural analysis has been executed. Further assuming the given system to be of single degree of freedom system, Dunkerley’s method and Rayleigh’s method (for determination of natural frequencies) havebeen used for computation of natural frequencies analytically. Thus comparison of the natural frequencies of modal analysis through ANSYS workbench and aforementioned methods have been performed. Natural frequencies found to be significantly close and are in excellent agreement with each other. This is one of the novelty of the work. Further, frequency range chosen in the analysis is such that it uses some data from experiments which is another novelty. It should be noted that the given system is not a single degree of freedom system. Further stress and strain details executed with the help of static structural analysis revealed that A-710 is better material choice when compared with structural steel. Obtained results are being exploited to benefit Industry and scientific community for future endeavors. Further, efficacy of developed framework could be extended to other such alike applications.
Article Details
Unique Paper ID: 154546

Publication Volume & Issue: Volume 8, Issue 11

Page(s): 881 - 884
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