3 papers
math.NA2021
Combining p-multigrid and multigrid reduced in time methods to obtain a scalable solver for Isogeometric Analysis
Roel Tielen, Matthias Möller, Cornelis Vuik
Isogeometric Analysis (IgA) has become a viable alternative to the Finite Element Method (FEM) and is typically combined with a time integration scheme within the method of lines f…
math.NA2020
Towards Accuracy and Scalability: Combining Isogeometric Analysis with Deflation to Obtain Scalable Convergence for the Helmholtz Equation
Vandana Dwarka, Roel Tielen, Matthias Möller +1
Finding fast yet accurate numerical solutions to the Helmholtz equation remains a challenging task. The pollution error (i.e. the discrepancy between the numerical and analytical w…
math.NA2019
Extension of B-spline Material Point Method for unstructured triangular grids using Powell-Sabin splines
Pascal de Koster, Roel Tielen, Elizaveta Wobbes +1
The Material Point Method (MPM) is a numerical technique that combines a fixed Eulerian background grid and Lagrangian point masses to simulate materials which undergo large deform…