Mechanism Free Domain Decomposition
نویسندگان
چکیده
The simulation of three dimensional structural dynamics on massively parallel platforms places stringent requirements on the existing software infrastructure. A constrained and nonlinear graph partitioning problem that arises in scalable iterative substructuring methods, such as FETI methods, is identified. New sufficient criteria on a partition are presented that ensure the applicability of FETI methods, and improve the associated preconditioner. One dimensional finite elements in three dimensional structures are treated by an encapsulation method. The techniques are demonstrated on complex finite element model problems. Post Script: This article appeared in Computer Methods in Applied Mechanics and Engineering, volume 192, number 7-8, pages 763-776, 2003.
منابع مشابه
Quasi-Primary Decomposition in Modules Over Proufer Domains
In this paper we investigate decompositions of submodules in modules over a Proufer domain into intersections of quasi-primary and classical quasi-primary submodules. In particular, existence and uniqueness of quasi-primary decompositions in modules over a Proufer domain of finite character are proved. Proufer domain; primary submodule; quasi-primary submodule; classical quasi-primary; decompo...
متن کاملUpdating finite element model using frequency domain decomposition method and bees algorithm
The following study deals with the updating the finite element model of structures using the operational modal analysis. The updating process uses an evolutionary optimization algorithm, namely bees algorithm which applies instinctive behavior of honeybees for finding food sources. To determine the uncertain updated parameters such as geometry and material properties of the structure, local and...
متن کاملDesigning a new tetrapeptide to inhibit the BIR3 domain of the XIAP protein via molecular dynamics simulations
The XIAP protein is a member of apoptosis proteins family. The XIAP protein plays a central role in the inhibition of apoptosis and consists of three Baculoviral IAP Repeat domains. The BIR3 domain binds directly to the N-terminal of caspase-9 and therefore it inhibits apoptosis. N-terminal tetrapeptide region of SMAC protein can bind to BIR3, inhibit it and subsequently induce apoptosis. In th...
متن کاملOutput-only Modal Analysis of a Beam Via Frequency Domain Decomposition Method Using Noisy Data
The output data from a structure is the building block for output-only modal analysis. The structure response in the output data, however, is usually contaminated with noise. Naturally, the success of output-only methods in determining the modal parameters of a structure depends on noise level. In this paper, the possibility and accuracy of identifying the modal parameters of a simply supported...
متن کاملUniaxial Buckling Analysis Comparison of Nanoplate and Nanocomposite Plate with Central Square Cut out Using Domain Decomposition Method
A comparison of the buckling analysis of the nanoplate and nanocomposite plate with a central square hole embedded in the Winkler foundation is presented in this article. In order to enhance the mechanical properties of the nanoplate with a central cutout, the uniformly distributed carbon nanotubes (CNTs) are applied through the thickness direction. In order to define the shape function of the ...
متن کاملتعیین طول عمر ماده منفجره اکفول با استفاده از روش تجزیه حرارتی وزن سنجی(علمی-پژوهشی)
Determine the lifetime of explosive chemicals is one of the important research fields in recent years. Among the various methods of estimating life expectancy, methods based on solid-state kinetic analysis of the thermal decomposition of a chemical explosive are scientific and the accuracy of the method is confirmed. In this study, the determination of kinetic parameters of Ocfol explosive was ...
متن کامل