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Putting Statistics Into the Statistical Energy Analysis of Automotive Vehicles
14th Biennial Conference on Mechanical Vibration and Noise: Vibration Isolation, Acoustics, and Damping in Mechanical Systems, 1993Abstract Sound and vibration transmission modeling methods are important to the design process for high quality automotive vehicles. Statistical Energy Analysis (SEA) is an emerging design tool for the automotive industry that was initially developed in the 1960’s to estimate root-mean-square sound and vibration levels in structures and ...
C. J. Radcliffe, X. L. Huang
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Are the energy analysis (EA) and the statistical energy analysis (SEA) compatible?
The Journal of the Acoustical Society of America, 2003The statistical energy analysis (SEA) is being used commercially to find ways of achieving noise control on vehicles of various types. A tenet of SEA states that the modal energy stored in a force-driven (master) dynamic system may not exceed the modal energy stored in a passive (adjunct) dynamic system to which it is coupled.
G. Maidanik, K. J. Becker
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An introduction to statistical energy analysis
The Journal of the Acoustical Society of America, 1997The basic concepts and underlying assumptions of Statistical Energy Analysis (SEA) are reviewed. Using coupled simple oscillators as models for resonant modes, power balance equations are derived. Equipartition of energy among modes within a subsystem, and strong versus weak coupling between subsystems are discussed.
Courtney B. Burroughs +2 more
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1992
An exact analysis of large structures or rooms becomes very cumbersome and time consuming because many modes have to be considered and because the frequency response changes rapidly for each frequency step, so that many points have to be calculated in order to derive the average response to a certain frequency band.
D. G. Crighton +4 more
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An exact analysis of large structures or rooms becomes very cumbersome and time consuming because many modes have to be considered and because the frequency response changes rapidly for each frequency step, so that many points have to be calculated in order to derive the average response to a certain frequency band.
D. G. Crighton +4 more
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Statistical Energy Analysis of Vibrating Structures With Energy and Entropy
Volume 1: Acoustics, Vibration, and Phononics, 2021Abstract We present a complete thermodynamic analogy of statistical energy analysis (SEA) using entropy and energy for both linear and nonlinear coupled systems. We will use Khinchin’s Entropy as our statistical entropy definition from statistical mechanics. This framework allows for the restrictive assumptions of linearity to be removed
Elise Hough, Zahra Sotoudeh
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Entropy in statistical energy analysis
The Journal of the Acoustical Society of America, 2009In this paper, the second principle of thermodynamics is discussed in the framework of statistical energy analysis (SEA). It is shown that the “vibrational entropy” and the “vibrational temperature” of sub-systems only depend on the vibrational energy and the number of resonant modes. A SEA system can be described as a thermodynamic system slightly out
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Experimental Variance Analysis of Statistical Energy Analysis
SAE Technical Paper Series, 2005<div class="htmlview paragraph">This paper is to present a systematic study on many critical factors, such as angle of the testing panel, total scanning time of the intensity probe, source room noise level, number of microphones used in the source room, sample size, distance of the microphone in the source room, intensity probe spacer size ...
Gang Yin +3 more
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2004
Statistical energy analysis (SEA) originated in the aerospace industry in the early 1960s. Today, SEA is applied to a large variety of products, from cars and trucks to aircraft, spacecraft, electronic equipment, buildings, consumer products and more. SEA is based on the principle of energy conservation.
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Statistical energy analysis (SEA) originated in the aerospace industry in the early 1960s. Today, SEA is applied to a large variety of products, from cars and trucks to aircraft, spacecraft, electronic equipment, buildings, consumer products and more. SEA is based on the principle of energy conservation.
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A statistical analysis of energy coefficients
Energy Economics, 1991An often quoted indicator in international comparisons of how energy consumption increases with economic growth is the energy coefficient. We examine from a statistical viewpoint the basic properties of this indicator, its relationship with the energy-output ratio, and the effects of measuring it on a per capita basis. On a yearly basis the coefficient
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