Abstract
A non-conformal finite element tearing and interconnecting-like (FETI-like) domain decomposition approach (DDA) of the hybrid finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA) is presented by integrating a series efficient techniques for computing electromagnetic scattering/radiation problems. The Robin transmission condition is employed to cement the non-conformal meshes on the interconnected surfaces between the interior and exterior regions and between sub-domains in the interior region. The FETI-like technique is applied to reduce the FE-BI matrix equation. Furthermore, a preconditioner is constructed to accelerate the convergent speed of this non-conformal FETI-like DDA. The numerical performance of the presented non-conformal FETI-like DDA-FE-BI-MLFMA is studied for scattering/radiation problems.
| Original language | English |
|---|---|
| Pages (from-to) | 609-622 |
| Number of pages | 14 |
| Journal | International Journal of Numerical Modelling: Electronic Networks, Devices and Fields |
| Volume | 29 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Jul 2016 |
Keywords
- domain decomposition approach (DDA)
- finite element tearing and interconnecting-like (FETI-like)
- finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA)
- non-conformal