For the fourth time, the Leibniz Supercomputing Centre (LRZ) and the Com- tence Network for Technical, Scienti c High Performance Computing in Bavaria (KONWIHR) publishes the results from scienti c projects conducted on the c- puter systems HLRB I and II (High Performance Computer in Bavaria). This book reports the research carried out on the HLRB systems within the last three years and compiles the proceedings of the Third Joint HLRB and KONWIHR Result and Reviewing Workshop (3rd and 4th December 2007) in Garching. In 2000, HLRB I was the rst system in Europe that was capable of performing more than one Tera op/s or one billion oating point operations per second. In 2006 it was replaced by HLRB II. After a substantial upgrade it now achieves a peak performance of more than 62 Tera op/s. To install and operate this powerful system, LRZ had to move to its new facilities in Garching. However, the situation regarding the need for more computation cycles has not changed much since 2000. The demand for higher performance is still present, a trend that is likely to continue for the foreseeable future. Other resources like memory and disk space are currently in suf cient abundance on this new system.
Inhoudsopgave
Astrophysics.- Numerical Simulations of Compact Binary Systems.- Ab Initio Vlasov Code Simulation of Micro-Turbulence, Phase Space Structure Formation and the Resulting Anomalous Transport and Particle Acceleration in Collisionless Astrophysical Plasmas, I: The 2D2V Code.- The ART of Cosmological Simulations.- Modeling of Turbulent Flows Applied to Numerical Simulations of Galaxy Clusters.- The Onset of Convection During the Core Helium Flash.- Formation of the First Supermassive Black Holes in the Early Universe.- Star Formation in the Turbulent Interstellar Medium and Its Implications on Galaxy Evolution.- The Aquarius Project: Cold Dark Matter under a Numerical Microscope.- Biosciences.- Par Baum: Large-Scale Maximum Likelihood-Based Phylogenetic Analyses.- Chemistry.- A Theoretical Study of Polyoxometalates and Dendrizyme Model Compounds.- Multi Dimensional Quantum Dynamics of Chemical Reaction Processes.- Investigating Protein-Protein and Protein-Ligand Interactions by Molecular Dynamics Simulations.- Probing the Mechanical Strength of Chemical Bonds by Stretching Single Molecules.- Plane Wave Density Functional Model Studies of Chemistry at Surfaces.- Oxidative Dehydrogenation of Simple Molecules over Ru O2(110): Density Functional Theory Calculations.- Redox Catalysis and Reactivity of Metalloporphyrines.- Computational Fluid Dynamics.- Numerical Optimization of Compressor Casing Treatments for Influencing the Tip Gap Vortex.- High-Performance Computing for the Investigation of the Flow Past an Airfoil with Trailing-Edge Stall.- On the Turbulence Structure in Supersonic Nozzle Flow.- Large Scale CFD for Complex Flows.- Flow Simulations of an Axial Transonic Compressor Stage.- Gyrokinetic Turbulence Simulations for Fusion Plasmas.- A Parallel CFDSolver Using the Discontinuous Galerkin Approach.- A-priori Analysis of the LMSE Micromixing Model for Filtered-Density Function Simulation in High Schmidt Number Flows.- Characterization of the Dissipation Tensor from DNS of Grid-Generated Turbulence.- Numerical Investigation of the Noise Emission from Serrated Nozzles in Coaxial Jets.- Numerical Simulation of Fluid-Structure- and Fluid-Structure-Acoustic Interaction Based on a Partitioned Coupling Scheme.- Large-Eddy Simulation of Plane Jet Injection into Supersonic Turbulent Crossflow.- Simulation of the Flow around the Stratospheric Observatory for Infrared Astronomy SOFIA Using URANS and DES.- Direct Numerical Simulation of Flame/Acoustic Interactions.- Scaling Properties of Convective Turbulence.- Parallel Free-Surface and Multi-Phase Simulations in Complex Geometries Using Lattice Boltzmann Methods.- Dynamics of Heavy Particles in Turbulent Flows.- Interactive Indoor Thermal Comfort Evaluation.- DNS of Transition to Turbulence in a Linear Compressor Cascade.- Computer Science.- Some Applications of the PDE Solver FDEM with Error Estimate.- wa LBerla: The Need for Large-Scale Super Computers.- Scalable Multigrid.- RZBENCH: Performance Evaluation of Current HPC Architectures Using Low-Level and Application Benchmarks.- Towards Scalable Parallel Numerical Algorithms and Dynamic Load Balancing Strategies.- The HLRB Cluster as Quantum CISC Compiler.- Concepts for Efficient Flow Solvers Based on Adaptive Cartesian Grids.- Challenges and Potentials of Emerging Multicore Architectures.- Geophysics.- A p-Adaptive Discontinuous Galerkin Method with Local Time Steps for Computational Seismology.- Predictability of Rayleigh-Number and Continental-Growth Evolution of a Dynamic Model of the Earth’s Mantle.-Quantifying Uncertainties in Earthquake Scenario Ground Motion Calculations: Finite Source Effects.- High Energy Physics.- Dynamical Lattice QCD with Ginsparg-Wilson-Type Fermions.- Simulation of N f =2+1 Lattice QCD at Realistic Quark Masses.- Solid State Physics.- Long-Range Chiral Recognition Due to Substrate Locking and Substrate-Adsorbate Charge Transfer.- Quantum Transport within a Background Medium: Fluctuations versus Correlations.- Quantum Monte Carlo Studies of Strongly Correlated Electron Systems.- Charge Transport through Guanine Crystals.- Electronic Charge and Orbital Reconstruction at Cuprate-Titanate Interfaces.- Compensation Mechanisms and Functionality of Transition Metal Oxide Surfaces and Interfaces: A Density Functional Theory Study.
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