Efficient computation of turbulent flow in ribbed passages using a non-overlapping near-wall domain decomposition method

Non - Overlapping Domain Decomposition

Non-overlapping Domain Decomposition Method and Nodal Finite Element Method

The non-overlapping domain decomposition method is an efficient approach for solving time harmonic scattering wave problems. It is used here to reduce large size systems solution to that of several systems of small size and to construct efficient procedures to couple finite element and boundary element methods. The lack of a satisfactory treatment of the so-called cross-points, nodes being shar...

Investigation of wall-bounded turbulent flow using Dynamic mode decomposition

Dynamics mode decomposition (DMD) which is a method to construct a linear mapping describing the dynamics of a given time-series of any quantities is applied to the analysis of a turbulent channel flow. The flow fields are generated by direct numerical simulations for the friction Reynolds number Reτ = 190. The time-series of the flow fields in a short time-interval in the order of the wall-uni...

Non-overlapping Domain Decomposition Methods

Our intention in this paper is to give a uniied investigation on a class of non-overlapping domain decomposition methods for solving second order elliptic problems in two and three dimensions. The methods under scrutiny fall into two major categories: the substructuring type methods and the Neumann-Neumann type methods. The basic framework used for analysis is the parallel subspace correction m...

Non-overlapping Domain Decomposition Applied to Incompressible Flow Problems

A non-overlapping domain decomposition method with Robin-type transmission conditions which is known for scalar advection-diffusion-reaction problems [2],[5] is generalized to cover the Oseen equations. The presented method, which is later referred to as DDM, is an additive iteration-by-subdomains algorithm. Hence parallelism is given in a very natural way. The formulation is based on the conti...