نتایج جستجو برای: feti
تعداد نتایج: 347 فیلتر نتایج به سال:
Balancing and dual Domain Decomposition Methods (DDMs) are used in practice on parallel computing environments with the number of generated subdomains being generally larger than the number of available processors. The present study describes partitioning concepts used to: (a) generate subdomains for such DDMs and (b) organize these subdomains into subdomain clusters, in order to assign each cl...
This paper presents a strategy for the computation of structures with repeated patterns based on domain decomposition and block Krylov solvers. It can be seen as a special variant of the FETI method. We propose using the presence of repeated domains in the problem to compute the solution by minimizing the interface error on several directions simultaneously. The method not only drastically decr...
The Boundary Element Tearing and Interconnecting (BETI) methods have recently been introduced as boundary element counterparts of the well–established Finite Element Tearing and Interconnecting (FETI) methods. In this paper we present inexact data–sparse versions of the BETI methods which avoid the elimination of the primal unknowns and dense matrices. However, instead of symmetric and positive...
The dual-primal isogeometric tearing and interconnecting (IETI-DP) method is the adaption of the dual-primal finite element tearing and interconnecting (FETI-DP) method to isogeometric analysis of scalar elliptic boundary value problems like, e.g., diffusion problems with heterogeneous diffusion coefficients. The purpose of this paper is to extent the already existing results on condition numbe...
The Spirit landing site in Gusev Crater on Mars contains dark, fine-grained, vesicular rocks interpreted as lavas. Pancam and Mini-Thermal Emission Spectrometer (Mini-TES) spectra suggest that all of these rocks are similar but have variable coatings and dust mantles. Magnified images of brushed and abraded rock surfaces show alteration rinds and veins. Rock interiors contain </=25% megacrysts....
Laser additive manufacturing (LAM) is promising for fabricating multi-metallic component, but the mechanism of microstructural evolution at interface two metals still needed to research further. In this study, a 316L stainless steel/Ti6Al4V alloy multi-metal was fabricated by LAM, and intermetallic phase transformation deeply investigated. Results show that strong reaction zone (SRZ) can be ind...
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