The simulation, analysis, and numerical prediction methods of the pass-by noise will be introduced for source identification and sensitivity study based on the transfer path analysis method. The pass-by noise contributed from each of the main subsources will be separately discussed for their ...
The Green’s functions are obtained by using Finite Element (FE) and Boundary Element (BE) methods in the frequency domain, subsequent inverse Fourier transform, followed by convolution with a time series of rolling contact forces to obtain the pass-by time signals. However, traditional BE ...
Topic: How do I simulate Pass By Noise for component level contribution asessment? New legislation demands more rigorous Pass By Noise testing. See how the new VA One PBN simulation tool can use a combination of existing physical data and simulation models to meet PBN ...
1.Acoustic Model for Motorcycle Pass-by Noise and its Application摩托车道路通过噪声声学模型及其应用 2.Research on the Control of Motorcycle Pass-by Noise and the Acoustic Simulation of Air Cleaner;摩托车通过噪声控制与空气滤清器声学特性仿真分析研究 3.Optimization of Interior Noise by Experimental Moda...
Pass-by noise generated by high-speed trains is an important influencing factor on the surrounding environment and is getting more and more attention with the increase of speed. In the past, the aerodynamic pass-by noise prediction was usually conducted with the wind tunnel mode, ignoring the Do...
SAIC HONGYAN Automotive uses Simcenter Testlab to reduce pass-by noise by up to 3dB. Case Study Improving noise, vibration and harshness performance to meet regulatory standards and improve competitiveness Company:SAIC HONGYAN Automotive Industry:Automotive & transportation ...
NVH (Noise, Vibration and Harshness) is an important vehicle attribute and focus in every Product Development at OEM'S (Original Equipment Manufacturers). Pass-by Noise is one of these aspects in order to improve noise vehicle as a whole. As a result, this paper will show opportunities that...
Follow the existing standards when executing exterior and interior pass-by noise tests Better understand the new NVH standards for hybrid and electric vehicles (including the AVAS systems) Apply advanced engineering methods that combine test and simulation (for instance, ASQ - airborne source quanti...
The PAK pass-by can be optionally supplemented. In addition to the individual post-processing of data concerning interior noise, comfort or driving dynamics, it provides added value for engineering including: The simulation of tire roll noise (Tire Correction Simulation), which allows tires to be ...
Vehicle makers have been forced to lower their noise levels since the 1970’s considerably, to a new low level of only 68dB(A) for passenger vehicles by 2024. By that time, we will need more than 30 vehicles to produce the same noise as 1 single 1970’s vehicle used to make...