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Abstract: Vibration and music therapies are non-invasive treatments having effective results although their basics are still disputed. By the application of COMSOL Multiphysics® software for modeling and analysis, some of the nonlinear physical phenomena laying on these applications may be clarified. Acoustic environmental stimuli at different intensities are continuously interacting with our bodies, some of them becoming a 'background noise' of our daily life although their intensities are beyond any safety limits. This study reveals, through few models, the effects of these stimuli on the human body, and the relationship between the surrounding area geometry, acoustic stimuli and human sensitivity.