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Technical University of Munich

Wenchang Zhao, PhD

Visiting PhD student

Vibroacoustic optimization using the coupled finite element and boundary element method

Reducing the vibration and noise level of structures has become an important task in engineering. An efficient tool for this job is the topology optimization. In this context, the topology optimization using the density-based approaches is applied to decrease the sound radiation from vibrating structures.

Research Topics:

  • Finite and boundary element method (FEM / BEM)
  • Acoustic topology optimization
  • Numerical vibroacoustics

Publications

2022

  • Jelich, Christopher; Zhao, Wenchang; Chen, Haibo; Marburg, Steffen: Fast multipole boundary element method for the acoustic analysis of finite periodic structures. Computer Methods in Applied Mechanics and Engineering 391, 2022, 114528 more… BibTeX Full text ( DOI )

2020

  • Liu, Zhe; Zhao, Wenchang; Sepahvand, Kian K.; Wei, Yintao; Marburg, Steffen: A Three-Dimensional Ring Model for Uncertainty Quantification in Natural Frequencies and Sound Radiation Characteristics of Tires. Journal of Theoretical and Computational Acoustics 28 (02), 2020, 2050016 more… BibTeX Full text ( DOI )
  • Zhao, Wenchang; Chen, Leilei; Chen, Haibo; Marburg, Steffen: An effective approach for topological design to the acoustic–structure interaction systems with infinite acoustic domain. Structural and Multidisciplinary Optimization, 2020 more… BibTeX Full text ( DOI )

2019

  • Chen, L.; Zhao, W.; Liu, C.; Chen, H.; Marburg, S.: Isogeometric fast multipole boundary element method based on Burton-Miller formulation for 3D acoustic problems. Archives of Acoustics 44 (3), 2019, 475-492 more… BibTeX
  • Chen, Leilei; Marburg, Steffen; Zhao, Wenchang; Liu, Cheng; Chen, Haibo: Implementation of Isogeometric Fast Multipole Boundary Element Methods for 2D Half-Space Acoustic Scattering Problems with Absorbing Boundary Condition. Journal of Theoretical and Computational Acoustics 27 (02), 2019, 1850024 more… BibTeX Full text ( DOI )
  • L. CHEN and W. ZHAO and C. LIU and H. CHEN and S. MARBURG: Isogeometric Fast Multipole Boundary Element Method Based on Burton-Miller Formulation for 3D Acoustic Problems. Committee on Acoustics PAS, PAS Institute of Fundamental Technological Research, Polish Acoustical Society, 2019 more… BibTeX Full text ( DOI )
  • Zhao, W.; Chen, H.; Marburg, S.: Design of damping layer by topology optimization and non-negative intensity. Proceedings of the 23rd International Congress on Acoustics, integrating 4th EAA Euroregio, DEGA, 2019 more… BibTeX
  • Zhao, Wenchang; Chen, Leilei; Chen, Haibo; Marburg, Steffen: Topology optimization of exterior acoustic‐structure interaction systems using the coupled FEM‐BEM method. International Journal for Numerical Methods in Engineering 119 (5), 2019, 404-431 more… BibTeX Full text ( DOI )

2018

  • W., Zhao; S., Marburg; H., Chen: Acoustic topology optimization of porous material distribution by FMBEM-based sensitivity analysis. Fortschritte der Akustik - DAGA 2018 - 44. JAHRESTAGUNG FÜR AKUSTIK,19.-22. MäRZ 2018, DEGA e.V., 2018 more… BibTeX
  • Zhao, Wenchang; Marburg, Steffen; Chen, Haibo: A FEM/BEM based topology optimization of submerged bi-material shell structures under harmonic excitations. INTER-NOISE and NOISE-CON Congress and Conference Proceedings 257 (1), 2018, 763-774 more… BibTeX
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