TY - GEN
T1 - Analytic method on vibrate induced noise of engine block
AU - Zheng, Guangze
AU - Ohta, Kazuhide
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - Numerical prediction of the acoustic radiation of vibrating engine block is conventionally based on the boundary element method (BEM). This approach yields good predictions, provided that the dynamic behavior of engine block is well established. However, interior resonances may lead to singular matrices and nonunique solution. To avoid the problems with interior resonances and singular matrices, this paper introduced the combined Helmholtz integral equation formulation method (CHIEF METHOD). The numerical experiment shows the performance of CHIEF METHOD and then we use this method to estimate the acoustic radiation of engine block. Based on spatially mean square velocity and acoustic radiation efficiency of vibrating engine block, a simplified analytic method is presented in this paper, by which the vibrate induced noise can be predicted in the early design process of engine development.
AB - Numerical prediction of the acoustic radiation of vibrating engine block is conventionally based on the boundary element method (BEM). This approach yields good predictions, provided that the dynamic behavior of engine block is well established. However, interior resonances may lead to singular matrices and nonunique solution. To avoid the problems with interior resonances and singular matrices, this paper introduced the combined Helmholtz integral equation formulation method (CHIEF METHOD). The numerical experiment shows the performance of CHIEF METHOD and then we use this method to estimate the acoustic radiation of engine block. Based on spatially mean square velocity and acoustic radiation efficiency of vibrating engine block, a simplified analytic method is presented in this paper, by which the vibrate induced noise can be predicted in the early design process of engine development.
UR - http://www.scopus.com/inward/record.url?scp=80053233521&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80053233521&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMR.308-310.21
DO - 10.4028/www.scientific.net/AMR.308-310.21
M3 - Conference contribution
AN - SCOPUS:80053233521
SN - 9783037852132
T3 - Advanced Materials Research
SP - 21
EP - 26
BT - Advanced Design Technology
T2 - 2011 International Conference on Advanced Design and Manufacturing Engineering, ADME 2011
Y2 - 16 September 2011 through 18 September 2011
ER -