finite element methods
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2022 ◽  
Vol 166 ◽  
pp. 108712
Author(s):  
Vincent Labouré ◽  
Yaqi Wang ◽  
Javier Ortensi ◽  
Nicolas Martin ◽  
Sebastian Schunert

2022 ◽  
Vol 2022 ◽  
pp. 1-13
Author(s):  
Lijun Zhang ◽  
Yongchao Dong ◽  
Dejian Meng ◽  
Wenbo Li

In recent years, the problem of automotive brake squeal during steering braking has attracted attention. Under the conditions of squealing, the loading of sprung mass is transferred, and lateral force is generated on the tire, resulting in stress and deformation of the suspension system. To predict the steering brake squeal propensity and explore its mechanism, we established a hybrid model of multibody dynamics and finite element methods to transfer the displacement values of each suspension connection point between two models. We successfully predicted the occurrence of steering brake squeal using the complex eigenvalue analysis method. Thereafter, we analyzed the interface pressure distribution between the pads and disc, and the results showed that the distribution grew uneven with an increase in the steering wheel angle. In addition, changes in the contact and restraint conditions between the pads and disc are the key mechanisms for steering brake squeal.


Author(s):  
Bo Gong

The modified Maxwell's Steklov eigenvalue problem is a new problem arising from the study of inverse electromagnetic scattering problems. In this paper, we investigate two finite element methods for this problem and perform the convergence analysis. Moreover,  the monotonic convergence of the discrete eigenvalues computed by one of the methods is analyzed.


Author(s):  
Brent J. Lewis ◽  
E. Nihan Onder ◽  
Andrew A. Prudil

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