Results 51 to 60 of about 505,660 (243)
FE–BE Coupling Methods for Elastoplasticity
Non-linear physical systems of infinite extent are conveniently modelled using FE–BE coupling methods. By the combination of both methods, suitable use of the advantages of each one may be obtained.
Adjerid +7 more
core +2 more sources
The author's algebraic theory of boundary value problems has permitted systematizing Trefftz method and expanding its scope. The concept of TH-completeness has played a key role for such developments. This paper is devoted to revise the present state of
Ismael Herrera
doaj
A decomposition-guided mechanism for nonstationary time series forecasting
Time series forecasting has been playing an important role in decision making, control, and monitoring across various fields. Specifically, the forecasting of nonstationarity time series remains a challenging problem where traditional time series ...
Hao Wang +3 more
doaj +1 more source
Parallel Implementation of a Two-level Algebraic ILU(k)-based Domain Decomposition Preconditioner
We discuss the parallel implementation of a two-level algebraic ILU(k)-based domain decomposition preconditioner using the PETSc library. We present strategies to improve performance and minimize communication among processes during setup and application
Italo Cristiano L. Nievinski +5 more
doaj +1 more source
Cross-Points in Domain Decomposition Methods with a Finite Element Discretization
Non-overlapping domain decomposition methods necessarily have to exchange Dirichlet and Neumann traces at interfaces in order to be able to converge to the underlying mono-domain solution. Well known such non-overlapping methods are the Dirichlet-Neumann
Gander, Martin J. +1 more
core +1 more source
Optimal control in heterogeneous domain decomposition methods [PDF]
Some new domain decomposition methods (DDM) based on optimal control approach are introduced for the coupling of first- and second-order equations on overlapping subdomains. Several cost functionals and control functions are proposed.
Agoshkov, V. I. +2 more
core
Improved Material Decomposition With a Two-Step Regularization for Spectral CT
One of the advantages of spectral computed tomography (CT) is it can achieve accurate material components using the material decomposition methods. The image-based material decomposition is a common method to obtain specific material components, and it ...
Weiwen Wu +4 more
doaj +1 more source
An introduction to Multitrace Formulations and Associated Domain Decomposition Solvers [PDF]
Multitrace formulations (MTFs) are based on a decomposition of the problem domain into subdomains, and thus domain decomposition solvers are of interest. The fully rigorous mathematical MTF can however be daunting for the non-specialist.
Claeys, X., Dolean, V., Gander, M. J.
core +4 more sources
Schwarz Waveform Relaxation for Heat Equations with Nonlinear Dynamical Boundary Conditions
We are interested in solving heat equations with nonlinear dynamical boundary conditions by using domain decomposition methods. In the classical framework, one first discretizes the time direction and then solves a sequence of state steady problems by ...
Shu-Lin Wu
doaj +1 more source
Predicting computational intensity (CI) is essential for domain decomposition and load balance in parallel geoprocessing. However, traditional CI prediction is limited in capturing the heterogeneity of spatial domain, leading to poor accuracy and load ...
Fan Gao, Wei Lu, Linlu Gan, Chenglong Xu
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