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- Francesco P. Andriulli, Anita Tabacco, Giuseppe Vecchi
- SIAM J. Scientific Computing
- 2007

This paper deals with a multiresolution approach to the finite-element solution of the Electric Field Integral Equation (EF IE) formulation of the boundary value problem for Maxwell equations. After defining a multiresolution set of discretized spaces, each of them is first separated into solenoidal and non-solenoidal complementary spaces. The possibility… (More)

- I. Bogaert, K. Cools, F. P. Andriulli, D. De Zutter
- 2011 International Conference on Electromagnetics…
- 2011

The Magnetic Field Integral Equation (MFIE) is a widely used integral equation for the solution of electromagnetic scattering problems involving perfectly conducting objects. It is usually discretized by means of RWG functions as both basis and test functions. This discretization of the MFIE is well-known for its good condition number. However, it is… (More)

- Roberto D. Graglia, Andrew F. Peterson, Francesco P. Andriulli
- 2009 International Conference on Electromagnetics…
- 2009

This paper presents a new set of hierarchical vector elements of arbitrarily high polynomial order constructed by using new orthogonal scalar polynomials. These novel vector elements, with respect to existing ones, provide better conditioned system matrices in finite methods applications. The scalar polynomials are subdivided into edge-, face-, and… (More)

- Francesco P. Andriulli, Ignace Bogaert, Kristof Cools, Eric Michielssen
- 2013 International Conference on Electromagnetics…
- 2013

We introduce a novel combined field integral equation that does not suffer from internal resonances and solves several drawbacks of existing resonance-free formulations. The new equation is obtained by combining a regularized electric type operator with a new magnetic type operator that exhibits uniform frequency scaling when acting on, or being tested… (More)

- I. Bogaert, F. P. Andriulli, K. Cools
- 2013 International Conference on Electromagnetics…
- 2013

Razor blade testing schemes have been proposed in the past for both the EFIE and MFIE. The regularity of these testing functions is, strictly speaking, not sufficient for the discretization to be conforming. However, as will be shown in the contribution, it does yield physical solution currents at low frequencies. This is similar to the low-frequency… (More)

- Abdelrahman Abdallah Ijjeh, Michel M. Ney, Francesco P. Andriulli
- IEEE Transactions on Microwave Theory and…
- 2017

With the advancement of technology, modern equipment involves new functionalities that require complex media (e.g., anisotropic dispersive media such as ferrite, lossy dielectrics, or graphene) for a variety of applications. This imposes the necessity to extend simulation techniques capable of solving Maxwell’s equations in such media. However, as… (More)

- S. B. Adrian, Francesco P. Andriulli, Thomas F. Eibert
- J. Comput. Physics
- 2017

- Simon B. Adrian, Francesco P. Andriulli, Thomas F. Eibert
- 2016 URSI International Symposium on…
- 2016

We present a new preconditioner for the combined field integral equation (CFIE) that gives rise to a Hermitian, positive definite system of linear equations. Differently from other Calderón strategies, this scheme necessitates a standard discretization of the electric field integral equation (EFIE) with Rao-Wilton-Glisson (RWG) basis functions… (More)