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Without Abstract
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...model) have been performed using the open source finite element (fe) code elmer ( http://www.csc.fi...discussed. for all these setups, the cpu time consumption in relation to the accuracy of the solution is analysed. based on...
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...this paper presents a hybrid finite volume/finite element method for the incompressible generalized newtonian fluid flow...method is employed to
discretize the momentum equation and the vertex-based finite element for the pressure poisson equation. the momentum interpolation
method is used...
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...high performance on large-scale, parallel, finite element simulations on super computers. in order to realize this goal, careful analysis of the low-level, computationally intensive algorithms...two metrics have been developed: the balance metric (bm), and the loads per miss metric (lpmm). each of these metrics makes assumptions about the interaction of various data structures and algorithms...
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...temperature and salinity, and solves the standard set of hydrostatic primitive equations. the method to stabilize the numerical pressure modes and the implementation of hybrid vertical grids are discussed...performance is assessed via numerical experiments. the influence of different vertical discretization is illustrated using a seamount configuration. the model is mpi parallelized and has the functionality required for ocean general...
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...accurate micro-finite element analyses of whole bones require the solution of large sets of algebraic equations. multigrid has proven...parallel computers. we demonstrate excellent parallel scalability, both in the algorithms and the implementations, and analyze the nodal performance of the important amg kernels on the ibm power3 and power4 architectures...
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...representation based on a set of particles placed on the interface and the computation of a level set function on the nodes of the finite element grid, thus ensuring accuracy and...variable and dynamically adapted to the computed flow. the large system of algebraic equations that results from the finite element discretization and linearization of the basic partial differential equations is...
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...two important simulation benchmarks on the ranger supercomputing cluster. the two codes are homme, a spectral element code, and mangll, a finite element code. whereas both applications had previously...templates for node-level optimizations. the approach is empirical. the two codes used are homme, a spectral element code that is one of nsf's acceptance benchmark programs...
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...in this paper, we address the implementation of finite element codes on a parallel computer providing a shared virtual memory. we solve the helmholtz equa tion at high-wave numbers by a method combining the least-squares formulation and finite-element dis cretization. numerical experiments concerning the scattering of planar waves by nonconvex obstacles...
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...domain decomposition algorithm is presented. the solution to the large system of algebraic equations resulting from the finite element discretisation and linearisation of the set of coupled partial differential equations to...run a crustal scale orogeny experiment. the overall performance of the code, as well as the respect of the incompressibility constraint, of the yield stress criterion and of...