Results using a new translation operator for the Multi-Level Fast Multipole Method are presented. Based on Gaussian beams, the translation operator allows a significant portion of the plane-wave...

Company

Position: Industrial Ph.D. student

Education: M.Sc., Industrial Mathematics

Specialization: Numerical Analysis, Scientific Computing

With TICRA since: 2011

Phone (direct): +45 3330 6741

Oscar’s Ph.D. is concerned with large-scale computational electromagnetics, focusing on topics such as the Fast Multipole Method and efficient solution of the MoM scattering problem by iterative methods and preconditioning. His Master’s Thesis from the Technical University of Denmark was on inverse problems, specifically source reconstruction, using iterative methods.

07

Jul

2014

Authors:

Results using a new translation operator for the Multi-Level Fast Multipole Method are presented. Based on Gaussian beams, the translation operator allows a significant portion of the plane-wave...

07

Apr

2014

Authors:

The Multilevel Fast Multipole Method (MLFMM) allows for a reduced computational complexity when solving electromagnetic scattering problems. Combining this with the reduced number of unknowns...

07

Apr

2014

Authors:

The Physical Optics approximation is a widely used asymptotic method for calculating the scattering from electrically large bodies. It requires significant computational work and little memory,...

04

Apr

2012

Authors:

Higher-order basis functions are commonly used for discretization of surface integral equations, which are typically solved by the Method of Moments (MoM). This leads to higher accuracy and lower...

27

Mar

2012

Authors:

This paper presents an overview of selected new modelling algorithms and capabilities in commercial software tools developed by TICRA. A major new area is design and analysis of printed...

03

Mar

2012

Authors:

In this paper, we apply a recently developed 3D source reconstruction algorithm to perform antenna diagnostics on a planar array configuration. The test case is a planar X-band slot array measured...

18

Oct

2011

Authors:

Kriging fitting, originally developed for geological exploitation, is here applied for fitting an expected pattern to noisy, irregular in-flight measurements of a satellite antenna...

18

Oct

2011

Authors:

In-flight measurements of satellite antenna patterns are often given in a highly irregular grid and the data may be influenced by severe noise such that an accurate pat-tern determination is...

18

Oct

2011

Authors:

A higher-order inverse method of moments algorithm, employing smooth current and geometry representations, as well as a very noise-robust solution algorithm, was presented at last year’s ESA...

11

Apr

2011

Authors:

Accurate fitting of the noisy irregular amplitude only main beam data is essential for the retrieval of the Planck space telescope geometry. Therefore, a novel two-step fit-ting algorithm which...