Method of determining effect of vehicle body side surrounding cavity barrier block on noise in vehicle
A technology of interior noise and body side wall, which is applied in the field of determination of the impact of body side wall cavity barrier blocks on car interior noise, can solve the problems of long time required for building models, unsuitable for popularization and high construction costs, and achieve Avoid incomplete demolition, convincing analysis results, and less residue effects
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[0034] The present invention will be described in detail below with reference to the drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation mode and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0035] Such as figure 1 As shown, this embodiment provides a method for determining the influence of the side wall cavity barrier block of the vehicle body on the noise in the vehicle, including the following steps:
[0036] 1) Carry out the drum test, the drum reverse drag test and the wind tunnel test on the body-in-white equipped with barrier blocks in the cavity of the side wall to obtain the interior noise signals corresponding to the three tests;
[0037] 2) Remove the barrier block in the side cavity of the white body:
[0038] 21) Use a heat gun to heat and remove the blocking block adhered t...
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