Competence in High Performance Computing 2010
Proceedings of an International Conference on Competence in High Performance Computing, June 2010, Schloss Schwetzingen, Germany
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Chapter and Conference Paper
The Implementation of the U.S. High Performance Computing and Communications Program
This paper gives an overview of the federal High Performance Computing and Communication (HPCC) Program. This initiative involves the Defense Advanced Projects Agency (DARPA), the Department of Energy (DOE), t...
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Chapter
Computational Differentiation and Multidisciplinary Design
Multidisciplinary Design Optimization (MDO) by means of formal sensitivity analysis requires that each single-discipline analysis code supply not only the output functions for the (usually constrained) optimiz...
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Chapter and Conference Paper
Some Aspects of Algorithmic Differentiation of Ordinary Differential Equations
Many problems in mechanics may be described by ordinary differential equations (ODE) and can be solved numerically by a variety of reliable numerical algorithms. For optimization or sensitivity analysis often ...
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Chapter
Automatic Differentiation and Navier-Stokes Computations
We describe the use of automatic differentiation (AD) in, and its application to, a compressible NavierStokes model. Within the solver, AD is used to accelerate convergence by more than an order of magnitude. ...
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Article
Isomerization and Hydrocracking of n-Decane over Bimetallic Pt–Pd Clusters Supported on Mesoporous MCM-41 Catalysts
n-Decane hydroconversion has been investigated on bifunctional catalysts comprising bimetallic Pt–Pd clusters supported on an AlMCM-41 (nSi/nAl = 23) mesoporous molecular sieve. The catalytic activity of the bim...
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Article
Large-Scale CFD Data Handling in a VR-Based Otorhinolaryngological CAS-System using a Linux-Cluster
Many of the operations to eliminate complaints concerning respiration impairments fail. In order to improve the success rate, it is important to recognize the responsiveness of the flow field within the nasal ...
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Chapter and Conference Paper
Result-Verifying Solution of Nonlinear Systems in the Analysis of Chemical Processes
A framework for the verified solution of nonlinear systems arising in the analysis and design of chemical processes is described. The framework combines a symbolic preprocessing step with an interval–based bra...
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Chapter and Conference Paper
Ein VR-basiertes rhinochirurgisches Softwaresystem für die Analyse der menschlichen Naseninnenströmung
Störungen der Nasenatmung stellen ein häufiges Krankheitsbild in der Rhinologie dar. Um die Behandlung zu optimieren und die Strömungsvorgänge innerhalb der Nase besser zu verstehen, wird ein Softwaresystem en...
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Article
Parallel Calculation of Accurate Path Lines in Virtual Environments through Exploitation of Multi-Block CFD Data Set Topology
The use of Virtual Reality (VR) techniques for the investigation of complex flow phenomena offers distinct advantages in comparison to conventional visualization techniques. Especially for unsteady flows, VR m...
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Chapter and Conference Paper
Hybrid Parallelization of CFD Applications with Dynamic Thread Balancing
SMP Clusters with fat nodes offer an interesting capability for large applications that employ a hybrid parallelization model: to improve load balance, the number of threads can be increased in order to speed-...
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Chapter and Conference Paper
Towards a Flexible and Distributed Simulation Platform
This work is focused on bringing forth integrated simulation as a means to understand complex processes more thoroughly. Production processes that arise in the field of engineering sciences usually require exp...
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Chapter and Conference Paper
Parallel Reverse Mode Automatic Differentiation for OpenMP Programs with ADOL-C
Shared-memory multicore computing platforms are becoming commonplace, and loop parallelization with OpenMP offers an easy way for the user to harness their power. As a result, tools for automatic differentiati...
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Article
Open AccessThe valency of Magnetic resonance angiography (MRA) in patients with metal implants in the clinical routine
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Chapter and Conference Paper
Parallelising Computational Microstructure Simulations for Metallic Materials with OpenMP
This work focuses on the OpenMP parallelisation of an iterative linear equation solver and parallel usage of an explicit solver for the nonlinear phase-field equations. Both solvers are used in microstructure ...
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Chapter and Conference Paper
An Approach to Visualize Remote Socket Traffic on the Intel Nehalem-EX
The integration of the memory controller on the processor die enables ever larger core counts in commodity hardware shared memory systems with Non-Uniform Memory Architecture properties. Shared memory parallel...
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Chapter
Virtuelle Produktionssysteme
Der Einsatz von Simulationssystemen ist insbesondere für Unternehmen in Hochlohnländern von besonderer Bedeutung, da aufgrund der marktseitigen Rahmenbedingungen die Anforderungen an Produkt- und Prozessqualit...
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Article
Simulation of bevel gear cutting with GPGPUs—performance and productivity
The desire for general purpose computation on graphics processing units caused the advance of new programming paradigms, e.g. OpenCL C/C++, CUDA C or the PGI Accelerator Model. In this paper, we apply these pr...
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Article
The virtual production simulation platform: from collaborative distributed simulation to integrated visual analysis
Computational simulations are used for the optimization of production processes in order to significantly reduce the need for costly experimental optimization approaches. Yet individual simulations can rarely ...
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Book and Conference Proceedings
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Chapter and Conference Paper
Score-P: A Unified Performance Measurement System for Petascale Applications
The rapidly growing number of cores on modern supercomputers imposes scalability demands not only on applications but also on the software tools needed for their development. At the same time, increasing appli...
