17 citations · 28 across the 5 of their papers we have counts for
6 papers
A Krylov Eigenvalue Solver Based on Filtered Time Domain Solutions
Lothar Nannen, Markus Wess
This paper introduces a method for computing eigenvalues and eigenvectors of a generalized Hermitian, matrix eigenvalue problem. The work is focused on large scale eigenvalue probl…
Complex scaled infinite elements for exterior Helmholtz problems
Lothar Nannen, Markus Wess
The technique of complex scaling for time harmonic wave type equations relies on a complex coordinate stretching to generate exponentially decaying solutions. In this work, we use…
Hardy space infinite elements for time-harmonic two-dimensional elastic waveguide problems
Martin Halla, Lothar Nannen
We consider time-harmonic linear elasticity equations in domains containing two-dimensional semi-infinite strips. Since for such problems there exist modes with different signs of…
Convergence of infinite element methods for scalar waveguide problems
Thorsten Hohage, Lothar Nannen
We consider the numerical solution of scalar wave equations in domains which are the union of a bounded domain and a finite number of infinite cylindrical waveguides. The aim of th…
High order Curl-conforming Hardy space infinite elements for exterior Maxwell problems
Lothar Nannen, Thorsten Hohage, Achim Schädle +1
A construction of prismatic Hardy space infinite elements to discretize wave equations on unbounded domains in , and is present…
Hardy space infinite elements for Helmholtz-type problems with unbounded inhomogeneities
Lothar Nannen, Achim Schädle
This paper introduces a class of approximate transparent boundary conditions for the solution of Helmholtz-type resonance and scattering problems on unbounded domains. The computat…