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The Novel Generally Described Graphs for Cyclic Orthogonal Double Covers of Some Circulants
AbstractCirculant graphs nowadays have a vast number of important applications due to the tremendous developments in modern technologies....
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On the solution of systems of linear equations associated to the ADO method in particle transport problems
In this work, a study is carried out on the solution of large linear systems of algebraic equations relevant to establish a general solution, based...
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GPU-native Dynamic Octree-based Grid Adaptation to Moving Bodies
AbstractThe present paper is devoted to the development of algorithms for dynamic grid adaptation to the geometry of an immersed moving rigid body...
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Scale Ratio Tuning of Group Based Job Scheduling in HPC Systems
AbstractDuring the initialization of a supercomputer job, no useful calculations are performed. A high proportion of initialization time results in...
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A two-parameter multiple shooting method and its application to the natural vibrations of non-prismatic multi-segment beams
This paper presents an enhanced version of the standard shooting method that enables problems with two unknown parameters to be solved. A novel...
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Algorithm for Adaptive Mesh Redistribution in Lattice Boltzmann Simulations
AbstractThe Lattice Boltzmann method (LBM) is the alternative approach for hydrodynamic equation solving. Two factors make it a favorite approach...
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Exploiting Hybrid Parallelism in the LBM Implementation Musubi on Hawk
In this contribution we look into the efficiency and scalability of our Lattice Boltzmann implementation Musubi when using OpenMP threads within an...
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Generalized Parallel Computational Schemes for Time-Consuming Global Optimization
This paper addresses computationally intensive global optimization problems, for solving of which the supercomputing systems with exaflops...
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Editorial
No abstract
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Investigation of the Elastic Waves Anisotropy Using the Grid-characteristic Computational Method and Explicit Treatment of Cracks
AbstractOne of the factors characterizing oil and gas deposits is the anisotropy of seismic wave propagation in fractured rock. This paper presents a...
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Software platform for mass supercomputing
An experience of designing integrated hardware and software solutions for high-performance computing in solving modern geophysical problems on the...
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The English Auction Method for Scheduling Jobs in a Distributed Network of Supercomputer Centers
The article describes the problem of scheduling jobs with absolute priorities in a geographically distributed network of supercomputer centers (GDN)....
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Linear multi-step methods and their numerical stability for solving gradient flow equations
In this paper, linear multi-step methods are used to numerically solve gradient flow models, and the relations between different numerical...
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Vectorization of High-performance Scientific Calculations Using AVX-512 Intruction Set
Modern calculation codes used in supercomputing are very demanding of computing resources. For their effective appliance requires the use of...
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Quaternionic Moments
This short chapter surveys five papers containing a variety of quaternionic moment applications in fields like color image watermarking, image...
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Sensitivity Analysis of an Air Pollution Model with Using Innovative Monte Carlo Methods in Calculating Multidimensional Integrals
Large-scale models are mathematical models with a lot of natural uncertainties in their input data sets and parameters. Sensitivity analysis (SA) is...
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An Investigation of Information Flux between Turbulent Boundary Layer and Porous Medium
The interaction between boundary layer turbulence and a porous layer is the cornerstone to the interface engineering. In this study, the spatial...
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Molecular dynamics simulation of selective laser melting
This report deals with the atomistic simulation of selective laser melting (SLM) used to produce additive manufactured objects. After a short...
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Streifzug durch eine neue Ära
Computermodelle tasten die Wirklichkeit immer besser ab und haben sich in Kombination mit mächtigen Algorithmen zum wesentlichen Werkzeug des...
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Numerical Experiments and Visualization of Chaos
The visualization of orbits and attractors of chaotic systems is a process that has been in progress for some time. Advances in computation, both in...