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LSSC
2007
Springer
14 years 3 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
14 years 3 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
14 years 3 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
14 years 3 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
14 years 3 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
14 years 3 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
LSSC
2007
Springer
14 years 3 months ago
An Ant-Based Model for Multiple Sequence Alignment
Abstract. Multiple sequence alignment is a key process in today’s biology, and finding a relevant alignment of several sequences is much more challenging than just optimizing so...
Frédéric Guinand, Yoann Pigné
LSSC
2007
Springer
14 years 3 months ago
Bridging Methods for Coupling Atomistic and Continuum Models
Abstract. We review some recent developments in the coupling of atomistic and continuum models based on the blending of the two models in a bridge region connecting the other two r...
Santiago Badia, Pavel B. Bochev, Max Gunzburger, R...