Professor Iyengar's fields of expertise have encompassed the areas of structural dynamics, random vibrations, earthquake engineering, disaster mitigation, railway track dynamics, rainfall modeling and history of science.
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Between 1981 and 1992, he was also a part-time lecturer at the University of Ottawa and Carleton University, teaching graduate courses on structural dynamics and random vibrations.
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With the insole turned on, the random vibrations add to the pressure signals, boosting them so the nerves can sense weak pressures that they otherwise would have missed, said Collins.
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Y . V . Dzhun firstly in the world practice disclosed that the relative random vibrations of the major index series in global economy submitted to the VII type Pearson s distribution.
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Thermal fluctuations generally affect all the degrees of freedom of a system : There can be random vibrations ( phonons ), random rotations ( rotons ), random electronic excitations, and so forth.
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The G rms value is typically used to express the overall energy of a particular random vibration event and is a statistical value used in mechanical engineering for structural design and analysis purposes.
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Typical Random Vibration in the time domain While the term power spectral density ( PSD ) is commonly used to specify a random vibration event, ASD is more appropriate when acceleration is being measured and used in structural analysis and testing.
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Typical Random Vibration in the time domain While the term power spectral density ( PSD ) is commonly used to specify a random vibration event, ASD is more appropriate when acceleration is being measured and used in structural analysis and testing.
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The balance needed to settle for an hour, and Cook needed one reading with the rotor stationary, then another with it turning at full speed; however random vibrations, the starting and stopping for tuning, and heating and cooling to simulate operating conditions made stable readings difficult.
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A look at the text Random Vibrations : Theory and Practice ( Dover Books on Physics ) by Paul H . Wirsching, Thomas L Paez, Keith Ortiz and Physics ( May 12, 2006 ) will give an idea of huge number of engineering problems to which structural dynamics applies.
