Search Results - "Zeiser, Thomas"

CRAFT: A Library for Easier Application-Level Checkpoint/Restart and Automatic Fault Tolerance by Shahzad, Faisal, Thies, Jonas, Kreutzer, Moritz, Zeiser, Thomas, Hager, Georg, Wellein, Gerhard

“…In order to efficiently use the future generations of supercomputers, fault tolerance and power consumption are two of the prime challenges anticipated by the…”
Get full text

Comparison of different propagation steps for lattice Boltzmann methods by Wittmann, Markus, Zeiser, Thomas, Hager, Georg, Wellein, Gerhard

“…Several possibilities exist to implement the propagation step of lattice Boltzmann methods. This paper describes common implementations and compares the number…”
Get full text

Numerical simulations of single phase reacting flows in randomly packed fixed-bed reactors and experimental validation by Freund, Hannsjörg, Zeiser, Thomas, Huber, Florian, Klemm, Elias, Brenner, Gunther, Durst, Franz, Emig, Gerhard

“…Randomly packed fixed-bed reactors are widely used in the chemical process industries. Their design is usually based on pseudo-homogeneous model equations with…”
Get full text

Analysis of the flow field and pressure drop in fixed-bed reactors with the help of lattice Boltzmann simulations by Zeiser, Thomas

“…The pressure drop of technical devices is a crucial property for their design and operation. In this paper, we show how the results of lattice Boltzmann…”
Get full text

Chip-level and multi-node analysis of energy-optimized lattice Boltzmann CFD simulations by Wittmann, Markus, Hager, Georg, Zeiser, Thomas, Treibig, Jan, Wellein, Gerhard

“…Summary Memory‐bound algorithms show complex performance and energy consumption behavior on multicore processors. We choose the lattice Boltzmann method on an…”
Get full text

Determining the specific surface area of ceramic foams: The tetrakaidecahedra model revisited by Inayat, Amer, Freund, Hannsjörg, Zeiser, Thomas, Schwieger, Wilhelm

“…Silicon carbide foams were characterized with respect to their specific surface area as well as their morphological parameters including strut diameter, window…”
Get full text

Influence of Resolution of Rasterized Geometries on Porosity and Specific Surface Area Exemplified for Model Geometries of Porous Media by Heidig, Tobias, Zeiser, Thomas, Freund, Hannsjörg

“…Rasterized representations of geometrical structures are commonplace in science and engineering. They are used in analysis and design of complex geometrical…”
Get full text

ClusterCockpit - A web application for job-specific performance monitoring by Eitzinger, Jan, Gruber, Thomas, Afzal, Ayesha, Zeiser, Thomas, Wellein, Gerhard

“…Monitoring is a common component of HPC system software. Up to now, monitoring focused mainly on health checking and system level performance as well as on job…”
Get full text

Efficient Temporal Blocking for Stencil Computations by Multicore-Aware Wavefront Parallelization by Wellein, G., Hager, G., Zeiser, T., Wittmann, M., Fehske, H.

“…We present a pipelined wavefront parallelization approach for stencil-based computations. Within a fixed spatial domain successive wavefronts are executed by…”
Get full text

Detailed Simulation of Transport Processes in Fixed-Beds by Freund, Hannsjörg, Bauer, Jürgen, Zeiser, Thomas, Emig, Gerhard

“…Understanding the details of the local transport processes in fixed-bed reactors is an essential prerequisite for the performance of reliable predictive…”
Get full text

Predicting the Specific Surface Area and Pressure Drop of Reticulated Ceramic Foams Used as Catalyst Support by Inayat, Amer, Freund, Hannsjörg, Schwab, Andreas, Zeiser, Thomas, Schwieger, Wilhelm

“…Open‐cell ceramic foams are attractive candidates as catalyst support owing to their remarkable heat and mass transfer characteristics. The accurate knowledge…”
Get full text

Building and utilizing fault tolerance support tools for the GASPI applications by Shahzad, Faisal, Kreutzer, Moritz, Zeiser, Thomas, Machado, Rui, Pieper, Andreas, Hager, Georg, Wellein, Gerhard

“…Today’s high performance computing systems are made possible by multiple increases in hardware parallelity. This results in the decrease of mean time to…”
Get full text

Spatially resolved simulation of the external mass transfer in complex catalyst support geometries by Heidig, Tobias, Zeiser, Thomas, Schwieger, Wilhelm, Freund, Hannsjorg

“…The design of tailor-made innovative catalyst support structures enables improved reactor performance by freely tunable fluid flow and mass transport…”
Get full text

Spatially Resolved Simulation of the External Mass Transport in Complex Catalyst Supports by Heidig, Tobias, Zeiser, Thomas, Schwieger, Wilhelm, Freund, Hannsjörg

“…Abstract Der Entwurf maßgeschneiderter neuartiger Katalysatorträger erlaubt eine verbesserte Reaktorleistung durch gezielt einstellbare Strömungs‐ und…”
Get full text

Ortsaufgelöste Simulation des externen Stofftransports in komplexen Katalysatorträgergeometrien by Heidig, Tobias, Zeiser, Thomas, Schwieger, Wilhelm, Freund, Hannsjörg

“…Der Entwurf maßgeschneiderter neuartiger Katalysatorträger erlaubt eine verbesserte Reaktorleistung durch gezielt einstellbare Strömungs‐ und…”
Get full text

Building a Fault Tolerant Application Using the GASPI Communication Layer by Shahzad, Faisal, Kreutzer, Moritz, Zeiser, Thomas, Machado, Rui, Pieper, Andreas, Hager, Georg, Wellein, Gerhard

“…It is commonly agreed that highly parallel software on Exascale computers will suffer from many more runtime failures due to the decreasing trend in the mean…”
Get full text

Performance evaluation of a parallel sparse lattice Boltzmann solver by Axner, L., Bernsdorf, J., Zeiser, T., Lammers, P., Linxweiler, J., Hoekstra, A.G.

“…We develop a performance prediction model for a parallelized sparse lattice Boltzmann solver and present performance results for simulations of flow in a…”
Get full text

Ortsaufgelöste Simulation des externen Stofftransports in komplexen Katalysatorträgergeometrien by Heidig, Tobias, Zeiser, Thomas, Schwieger, Wilhelm, Freund, Hannsjörg

Get full text

What does Power Consumption Behavior of HPC Jobs Reveal? : Demystifying, Quantifying, and Predicting Power Consumption Characteristics by Patel, Tirthak, Wagenhauser, Adam, Eibel, Christopher, Honig, Timo, Zeiser, Thomas, Tiwari, Devesh

“…As we approach exascale computing, large-scale HPC systems are becoming increasingly power-constrained, requiring them to run HPC workloads in an…”
Get full text

MRI investigation and complementary numerical simulations of flow-through random bead packings with low aspect ratio by Heinen, Claudia, Tillich, Joachim, Buggisch, Hans, Zeiser, Thomas, Freund, Hannsjörg

Get full text