Self-Tuning Locally Conformal PML Mesh Truncation for 3-D Vector Finite Element Method

ÖZGÜN Ö., KUZUOĞLU M., Mittra R.

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, cilt.72, sa.2, ss.2036-2040, 2024 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 72 Sayı: 2
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1109/tap.2023.3333929
  • Dergi Adı: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Applied Science & Technology Source, Business Source Elite, Business Source Premier, Communication Abstracts, Compendex, Computer & Applied Sciences, INSPEC, Metadex, zbMATH, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.2036-2040
  • Hacettepe Üniversitesi Adresli: Evet

Özet

This communication presents a novel formulation of the locally conformal perfectly matched layer (LCPML) method, called LCPML-log, which uses a logarithmic decay function. The method is designed to solve electromagnetic radiation and scattering problems using the 3-D vector finite element method (FEM). LCPML-log has two distinct features that distinguish it from previous PML implementations. First, it does not require any parameter adjustments to optimize its performance, making it self-tuning. Second, it needs only a single layer, which makes it cost-effective as it reduces the number of unknowns within the PML layer. The proposed method is formulated for the vector FEM based on edge basis functions for 3-D scattering problems, and its effectiveness is demonstrated through numerical results.