Mathematical modeling and use in acoustics applications in agriculture
2014
Cardei, Petru (National Institute of research – Development for Machines and Installations Designed to Agriculture and Food Industry INMA, Bucharest (Romania)) | Ludig, Mihai (National Institute of research – Development for Machines and Installations Designed to Agriculture and Food Industry INMA, Bucharest (Romania)) | Matache, Mihai (National Institute of research – Development for Machines and Installations Designed to Agriculture and Food Industry INMA, Bucharest (Romania)) | Sfiru, Raluca (National Institute of research – Development for Machines and Installations Designed to Agriculture and Food Industry INMA, Bucharest (Romania))
The article presents a discussion and a comparison of modeling methods for acoustic sources, it compares performance models and presents possible applications. The mathematical models are presented and compared: the natural and theoretical model that is based on the theoretical and empirical model of acoustic wave equation of noise spatial variation. The models are compared in terms of sound intensity level (which is calculated by exact formulas from the wave function solution of the acoustic waves equation) and noise levels provided by the theoretical and empirical model. It is shown that in most cases, both are models whose results must be calibrated in order to give results matching reality. Finally we compare the field application of each of the two models.
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