Sciweavers

LSSC
2007
Springer
13 years 10 months ago
Parallel Implementation of LQG Balanced Truncation for Large-Scale Systems
Model reduction of large-scale linear time-invariant systems is an ubiquitous task in control and simulation of complex dynamical processes. We discuss how LQG balanced truncation ...
José M. Badía, Peter Benner, Rafael ...
LSSC
2007
Springer
13 years 10 months ago
Comments on the GMRES Convergence for Preconditioned Systems
Abstract. The purpose of this paper is to comment a frequent observation by the engineers studying acoustic scattering. It is related to the convergence of the GMRES method when so...
Nabil Gmati, Bernard Philippe
LSSC
2007
Springer
13 years 10 months ago
Agents as Resource Brokers in Grids - Forming Agent Teams
Recently we have proposed an approach to utilizing agent teams as resource brokers and managers in the Grid. Thus far we have discussed the general overview of the proposed system,...
Wojciech Kuranowski, Marcin Paprzycki, Maria Ganzh...
LSSC
2007
Springer
13 years 10 months ago
MIC(0) DD Preconditioning of FEM Elasticity Systems on Unstructured Tetrahedral Grids
Abstract. In this study, the topics of grid generation and FEM applications are studied together following their natural synergy. We consider the following three grid generators: N...
Nikola Kosturski
LSSC
2007
Springer
13 years 10 months ago
Application of Hierarchical Decomposition: Preconditioners and Error Estimates for Conforming and Nonconforming FEM
A successive refinement of a finite element grid provides a sequence of nested grids and hierarchy of nested finite element spaces as well as a natural hierarchical decompositio...
Radim Blaheta
LSSC
2007
Springer
13 years 10 months ago
Probabilistic Model of Ant Colony Optimization for Multiple Knapsack Problem
The Ant Colony Optimization (ACO) algorithms are being applied successfully to a wide range of problems. ACO algorithms could be good alternatives to existing algorithms for hard c...
Stefka Fidanova
LSSC
2007
Springer
13 years 10 months ago
Optimization Based Stabilization of Nonlinear Control Systems
We present a general framework for analysis and design of optimization based numerical feedback stabilization schemes utilizing ideas from relaxed dynamic programming. The applicat...
Lars Grüne
LSSC
2007
Springer
13 years 10 months ago
On Smoothing Surfaces in Voxel Based Finite Element Analysis of Trabecular Bone
Abstract. The (micro-)finite element analysis based on three-dimensional computed tomography (CT) data of human bone takes place on complicated domains composed of often hundreds ...
Peter Arbenz, Cyril Flaig
LSSC
2007
Springer
13 years 10 months ago
Improving Triangular Preconditioner Updates for Nonsymmetric Linear Systems
Abstract. We present an extension of an update technique for preconditioners for sequences of non-symmetric linear systems that was proposed in [5]. In addition, we describe an ide...
Jurjen Duintjer Tebbens, Miroslav Tuma