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Abstract-QoS parameter mapping is a key technology with respect to guaranteeing QoS of business in heterogeneous networks dynamically. This paper studies a method for guarante necessary End-to-End QoS for user satisfaction, focusing on the problem of quality of service (QoS) mapping between layers in a cascade. Due to the dynamic mapping of parameters, the consistency between user and netweork is...
Groundwater flow simulation has become one of the top international issues in new generation of environmental applications. When managing large-scale groundwater flow problems, the intensive computational ability and large amounts of memory space required for modeling are the main bottlenecks for researchers. In order to solve three-dimensional large-scale groundwater flow problems more rapidly, the...
Heat equation has been widely used in engineering, such as numerical simulation of groundwater flow. The parallelization of heat equation is an important means of accelerating the simulation process. In order to solve the three-dimensional heat equation problem more rapidly, the OpenMP was adopted to parallelize the preconditioned conjugate gradient (PCG) algorithm in this paper. A numerical experiment...
In this paper, we present an efficient scheme for the parallel solution of large-scale three-dimensional groundwater flow equation. The scheme has been implemented and the program is parallelized by using a SPMD (single-program, multiple data) paradigm and a domain decomposition strategy provided in PETSc (Portable Extensible Toolkit for Scientific Computation). The efficiency and scalability of the...
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