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Effective multigrid algorithms for algebraic system arising from static peridynamic systems
Peridynamics is a nonlocal continuum theory that uses integral equations with no assumption of differentiability of displacement fields. One of the...
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Numerical correction of finite difference solution for two-dimensional space-fractional diffusion equations with boundary singularity
In this paper, an efficient algorithm is presented by adopting the extrapolation technique to improve the accuracy of finite difference schemes for...
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Modified complex-symmetric and skew-Hermitian splitting iteration method for a class of complex-symmetric indefinite linear systems
In this paper, based on the complex-symmetric and skew-Hermitian splitting (CSS) of the coefficient matrix, a modified complex-symmetric and...
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Power Supply Noise Aware Task Scheduling on Homogeneous 3D MPSoCs Considering the Thermal Constraint
Thanks to the emerging 3D integration technology, The multiprocessor system on chips (MPSoCs) can now integrate more IP cores on chip with improved...
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Towards an efficient 3D model estimation methodology for aerial and ground images
In this paper we propose an efficient approach for automatic generation of 3D models from images based on structure from motion (SfM) and multi-view...
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LED-Based Photometric Stereo: Modeling, Calibration and Numerical Solution
We conduct a thorough study of photometric stereo under nearby point light source illumination, from modeling to numerical solution, through...
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Evolutionary Multiobjective Optimization of Liquid Fossil Fuel Reserves Exploitation with Minimizing Natural Environment Contamination
One of exploitation methods of liquid fossil fuel deposits depends on pum** chemicals to the geological formation and ‘sucking out’ the fuel that...
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Sparsifying Synchronization for High-Performance Shared-Memory Sparse Triangular Solver
The last decade has seen rapid growth of single-chip multiprocessors (CMPs), which have been leveraging Moore’s law to deliver high concurrency via...
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A Fourth-Order Iterative Solver for the Singular Poisson Equation
A compact fourth-order finite difference scheme solver devoted to the singular-Poisson equation is proposed and verified. The solver is based on a...
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Parallel Smoothers for Matrix-Based Geometric Multigrid Methods on Locally Refined Meshes Using Multicore CPUs and GPUs
Multigrid methods are efficient and fast solvers for problems typically modeled by partial differential equations of elliptic type. We use the...
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Lattice Boltzmann based PDE solver on the GPU
In this paper, we propose a hardware-accelerated PDE (partial differential equation) solver based on the lattice Boltzmann model (LBM). The LBM is...
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Robust Two-Level Lower-Order Preconditioners for a Higher-Order Stokes Discretization with Highly Discontinuous Viscosities
The main goal of this paper is to present new robust and scalable preconditioned conjugate gradient algorithms for solving Stokes equations with...
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Adaptive Sparse Grid Classification Using Grid Environments
Common techniques tackling the task of classification in data mining employ ansatz functions associated to training data points to fit the data as...
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Nesting OpenMP and MPI in the Conjugate Gradient Method for Band Systems
An analysis of the data dependencies in the Conjugate Gradient iterative method for the solution of narrow band systems is performed in order to...
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Parallel Implementation of a Least-Squares Spectral Element Solver for Incompressible Flow Problems
Least-squares spectral element methods (LSQSEM) are based on two important and successful numerical methods: spectral/ hp element methods and...
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Parallel Variational Motion Estimation by Domain Decomposition and Cluster Computing
We present an approach to parallel variational optical flow computation on standard hardware by domain decomposition. Using an arbitrary partition of...
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Preconditioners for Solving Stochastic Boundary Integral Equations with Weakly Singular Kernels
A stochastic linear heat conduction problem is reduced to a special weakly singular integral equation of the second kind. The smoothness of the...
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A Parallel Ocean Model for High Resolution Studies
Domain Decomposition Methods is used for the parallelization of the LODYC ocean general circulation model. The local dependencies problem is solved...