Experimental and Modeling Studies Towards Random Vibration

Pandiyanayagam, G.; Bardia, Prashant; Patil, Yuvraj

doi:10.4271/2011-26-0118

Cited by 6 publications

(2 citation statements)

References 5 publications

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“…It is already discussed in cited reference [11]. Term called Transmissibility which is also sometimes used to describe the relation between output and input value of PSD [12]. Comparison of input and output PSD plot is shown in Fig.…”

Section: Fea Approachmentioning

confidence: 99%

Response of Starter Motor of an Engine Subjected to Random Vibrations

Kendre¹,

Prabhune²,

Ghorpade³

2014

AMM

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The automobile sector requires continuous progress in development of ‘Starter Motor’ by innovative approaches although significant progresses are made in the past. Development of Starter Motor has made it possible to start the engine by electrical means instead of doing it manually. The outstanding features of this motor are they can produce the maximum starting torque to crank the engine. In this case, we use electrical energy and convert it to mechanical energy in order to start the engine in motor vehicles. As the starter motor is mounted near the engine; vibrational disturbances produced due to either uneven road conditions or engine vibrations or both hampering the performance of starter motor which may result in breaking of component of motors. Vehicle will experience vibrations whose values are un-predictable at certain point of time causing random excitation and random vibrations. Aim of paper is to perform analytical formulation for Power Spectral Density function of Starter Motor by treating it as a cantilever beam and to find its response to random vibrations by using Finite Element Analysis (FEA).

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Section: Fea Approachmentioning

confidence: 99%

Response of Starter Motor of an Engine Subjected to Random Vibrations

Kendre¹,

Prabhune²,

Ghorpade³

2014

AMM

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“…As, very small and delicate electronic components are mounted on both sides of the PCB using solder joints, adhesive etc, various nonlinearities are encountered while modelling them for analysis. For avoiding the model complexity and minimizing the affecting variable, a simple cantilever model is considered for the present study [7]. Thor and Chippa (2015) in their study, vibration analysis of existing design of outside rear view mirror is investigated through numerical model using FEA.…”

Section: Introductionmentioning

confidence: 99%

Modal Analysis Of Automotive Rear Lamp Lens Produced From Plastic Material

Ay¹,

Ediz²,

Çal³

et al. 2019

International Journal of Automotive Science and Technology

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In this study; first of all, finite element undamped modal analysis was performed on one of the automotive rear lamp lenses and were obtained natural frequencies and mode shapes. Then, Frequency Response Functions (FRF) of an automotive rear lamp lens, made of polymethyl methacrylate (PMMA) material, were obtained by using Impact Hammer Test Methods. At the same time; dynamic characteristics of the structure, natural frequencies, damping ratios and mode shapes were obtained. Damping ratios were calculated from the FRF’s by using the Half Power Method. Finite Element Analysis (FEA) results and test results were compared and the best test method was determined.

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