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http://hdl.handle.net/2074/558
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| Title: | Reanalysis of damped structures using the single step perturbation method |
| Authors: | Ravi, S S A
Kundra, T K
Nakra, B C |
| Keywords: | perturbation
eigenvalue
viscoelastic damping
resonant frequencies |
| Issue Date: | 1998 |
| Citation: | Journal of Sound and Vibration, 211(3), 355-363 |
| Abstract: | The single step perturbation method is a recently developed structural dynamic modication technique.In the present work this has been applied to complex structures.
A typical machine tool structure in form of an F structure is considered and eigenvalue
and response reanalysis are carried out for this structure when modied by constrained
viscoelastic damping layer treatment.A comparison of results is made for cases using the single step perturbation method with the erstwhile perturbation method and the resolved results results obtained by repeated solution Comparison of computational times taken are also indicated.A variation of coverage ratio is considered for the above structure
and the variation in natural frequencies and loss factors in case of free vibration variation in resonant frequencies and amplitudes in case of forced vibration are also studied |
| URI: | http://eprint.iitd.ac.in/dspace/handle/2074/558 |
| Appears in Collections: | Mechanical Engineering
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| ravirea1998.pdf | | 866Kb | Adobe PDF | View/Open |
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