Higher-order multilevel framework for ADER scheme in computational aeroacoustics

Resolution of computational aeroacoustics problems on unstructured grids with a higher-order finite volume scheme

CFD has become more and more used in the industry for the simulation of flows. Nevertheless, the complex configurations of real engineering problems make difficult the application of very accurate methods that only works on structured grids. From this point of view, the development of higher order methods for unstructured grids is desirable. The finite volume method can be used with unstructure...

Computational aeroacoustics with a high order discontinuous Galerkin scheme

The high order discontinuous Galerkin solver NoisSol for the linearized acoustic equations and its application to airfoil noise simulation are presented. Aiming at the fast simulation of the noise generation and propagation in domains with complex geometries, the discretization based on unstructured grids is seen as the favorable strategy. Further important requirements for an aeroacoustic solv...

High-Order Shock Capturing for Computational Aeroacoustics

Numerical simulation of transient natural gas flow in pipelines using high order DG-ADER scheme

To increase the numerical accuracy in solving engineering problems, either conventional methods on a fine grid or methods with a high order of accuracy on a coarse grid can be used. In the present research, the second approach is utilized and the arbitrary high order Discontinues Galerkin Arbitrary DERivative (DG-ADER) method is applied to analyze the transient isothermal flow of natural gas th...

A Computational Framework for Multilevel Morphologies

The hierarchical organisation of biological systems plays a crucial role in processes of pattern formation regulated by gene expression, and in morphogenesis in general. Inspired by the development of living organisms, the ability to reproduce a system’s dynamic at different levels of its hierarchy might also prove useful in the design of engineered products that manifest spatial self-organisin...