標(biāo)題: Titlebook: Boundary Elements: Implementation and Analysis of Advanced Algorithms; Proceedings of the T Wolfgang Hackbusch,Gabriel Wittum Conference pr [打印本頁] 作者: HAVEN 時(shí)間: 2025-3-21 18:48
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書目名稱Boundary Elements: Implementation and Analysis of Advanced Algorithms讀者反饋學(xué)科排名
作者: ANT 時(shí)間: 2025-3-21 21:45 作者: COW 時(shí)間: 2025-3-22 01:22 作者: 設(shè)施 時(shí)間: 2025-3-22 06:21 作者: BLINK 時(shí)間: 2025-3-22 11:53 作者: precede 時(shí)間: 2025-3-22 14:25
Hierarchical Basis Preconditioners for Coupled Fem-Bem Equations,h-adaptive procedures for the symmetric coupling of Finite Elements and Boundary Elements. This solver is nearly optimal in the sense, that its convergence rate grows only logarithmically with the number of unknowns..The algorithm is based on the conjugate residual method with block-diagonal precond作者: 開始沒有 時(shí)間: 2025-3-22 17:09 作者: 顯微鏡 時(shí)間: 2025-3-22 23:23
Rapid Parallel Evaluation of Integrals in Potential Theory on General Three Dimensional Regions,regions. These methods use rapid methods for solving the differential equation which the kernel satisfies, and the number of operations needed to evaluate the integrals is essentially equal to the number of operations needed to solve the differential equation on a regular rectangular grid. In partic作者: 某人 時(shí)間: 2025-3-23 02:50
,Additive Schwarz Methods for Weakly Singular Integral Equations In R3 — The P-Version,ingular integral equations of the first kind in three dimensions. We prove that the condition numbers of both versions, with and without overlapping subspaces, of the additive Schwarz operator . grow not worse than .. where . is an arbitrary positive constant. Here . is the degree of the polynomials作者: 天賦 時(shí)間: 2025-3-23 06:46 作者: 依法逮捕 時(shí)間: 2025-3-23 12:01
Domain Decomposition Boundary Element Methods: Preprocessing and Parallel Solution,omogeneous material properties and for constructing the corresponding parallel solvers. Although the method allows the coupling of different discretization techniques, i.e., Boundary Element Methods (BEM) and Finite Element Methods (FEM), as it is desired in various applications, we discuss pure BEM作者: Encumber 時(shí)間: 2025-3-23 14:46
Parallel Setup of Galerkin Equation System for a Geodetic Boundary Value Problem,integrals over pairs of boundary elements. The numerical effort of cubature depends strongly on the distance between these elements. Therefore, the polynomial degree of exactness of the cubature formula may be chosen based on an estimate of the distance. In a straightforward implementation on a para作者: anticipate 時(shí)間: 2025-3-23 21:24
On the Implementation of the h-p Boundary Element Method on Curved Surfaces,s on the effective computation of the Galerkin matrix, i.e. we introduce a numerical qudrature rule which is shown (for a model case) to converge exponentially fast with the number of kernel evaluations. Numerical experiments show that the application of this quadrature rule preserves the exponentia作者: heartburn 時(shí)間: 2025-3-24 00:44
,Realization of ,-Galerkin BEM in ?,, elliptic problems with piecewise analytic data. However, the question whether these methods can be realized for general situations such that the exponential convergence is preserved also with respect to the computing time is very essential..In this paper, we will show how the numerical quadrature c作者: 頂點(diǎn) 時(shí)間: 2025-3-24 04:56 作者: biopsy 時(shí)間: 2025-3-24 10:19
An Extraction Technique for Boundary Element Methods,for the Laplacian in connection with corresponding boundary integral equations. The method uses the derivatives of the Green’s representation formula in terms of Cauchy singular or weakly singular integrals and their compositions with derivatives. We find a method, which allows the recursive numeric作者: 勉勵(lì) 時(shí)間: 2025-3-24 10:52 作者: Tailor 時(shí)間: 2025-3-24 16:43 作者: 冒煙 時(shí)間: 2025-3-24 22:21
J. G. Daunt,D. O. Edwards,M. Yaqubl based a-posteriori estimates which are reliable and efficient up to any chosen tolerance. A concrete adaptive strategy based on such estimates can be proved to converge. In principle, the approach applies to an even wider class of elliptic problems (cf. [8]). Those results have been obtained jointly with S. Dahlke, W. Dahmen and R. Schneider.作者: 該得 時(shí)間: 2025-3-25 02:56
https://doi.org/10.1007/978-1-4613-4520-6an be realized in order that the resulting fully discrete . converges exponentially with algebraically growing work. The key point is to approximate the integrals constituting the stiffness matrix by exponentially converging cubature methods.作者: 細(xì)微的差異 時(shí)間: 2025-3-25 05:59
https://doi.org/10.1007/978-1-4684-2688-5 based on the symmetric formulation. Alternatively, one may use Toeplitz type preconditioners, too. In the end, a numerical example for a mixed boundary value problem in plane linear elasticity is given.作者: agnostic 時(shí)間: 2025-3-25 07:59
0179-9614 and workshops on subjects concerning the algorithmic treatment of partial differential equations. The topics are discretisation methods like the finite element and the boundary element method for various type of applications in struc- tural and fluid mechanics. Particular attention is devoted to ad作者: 熄滅 時(shí)間: 2025-3-25 12:59 作者: 泥沼 時(shí)間: 2025-3-25 17:20
A Survey of Superconducting Materialsin terms of Cauchy singular or weakly singular integrals and their compositions with derivatives. We find a method, which allows the recursive numerical extraction of potentials and their derivatives near and up to the boundary curve.作者: 反話 時(shí)間: 2025-3-25 21:45 作者: DAFT 時(shí)間: 2025-3-26 00:57 作者: 話 時(shí)間: 2025-3-26 04:55 作者: agglomerate 時(shí)間: 2025-3-26 11:12
Adaptive Schemes for Multiscale Discretisations of Boundary Integral Equations,l based a-posteriori estimates which are reliable and efficient up to any chosen tolerance. A concrete adaptive strategy based on such estimates can be proved to converge. In principle, the approach applies to an even wider class of elliptic problems (cf. [8]). Those results have been obtained jointly with S. Dahlke, W. Dahmen and R. Schneider.作者: 并置 時(shí)間: 2025-3-26 15:12 作者: 云狀 時(shí)間: 2025-3-26 17:20 作者: 過份艷麗 時(shí)間: 2025-3-26 23:36
Conference proceedings 1996gorithmic treatment of partial differential equations. The topics are discretisation methods like the finite element and the boundary element method for various type of applications in struc- tural and fluid mechanics. Particular attention is devoted to advanced solution method". The latest seminar 作者: Extricate 時(shí)間: 2025-3-27 04:46
https://doi.org/10.1007/978-1-4899-6443-4tion of the computational cost can be achieved. We also derive a multipole-based technique to evaluate the appearing boundary integrals in an economic way, which can further reduce the overall computational cost.作者: 嘲弄 時(shí)間: 2025-3-27 05:52
Multigrid and Multipole Techniques in the Boundary Integral Equation Methods,tion of the computational cost can be achieved. We also derive a multipole-based technique to evaluate the appearing boundary integrals in an economic way, which can further reduce the overall computational cost.作者: CHOKE 時(shí)間: 2025-3-27 10:30 作者: CESS 時(shí)間: 2025-3-27 14:15
Superconductivity. Experimental Part,checked on simple test kernels as, e.g., polynomials where the exact integrals are available..We discuss the convergence of the cubature methods together with a stability and consistency analysis in order to determine the minimal cubature orders a priori.作者: Basilar-Artery 時(shí)間: 2025-3-27 21:05 作者: TRAWL 時(shí)間: 2025-3-27 22:22 作者: 剛開始 時(shí)間: 2025-3-28 03:21 作者: parsimony 時(shí)間: 2025-3-28 09:17 作者: faculty 時(shí)間: 2025-3-28 12:45 作者: 異端 時(shí)間: 2025-3-28 17:40
Multiscale Methods for Boundary Integral Equations and Their Application to Boundary Value Problemslution of a two-dimensional scattering problem of acoustic or electromagnetic waves and to the solution of a fixed geodetic boundary value problem for the gravity field of the earth. The computational tests confirm the high compression rates and the saving of computation time predicted by the theory.作者: Urgency 時(shí)間: 2025-3-28 20:12
Cubature Techniques for 3-D Galerkin Bem,checked on simple test kernels as, e.g., polynomials where the exact integrals are available..We discuss the convergence of the cubature methods together with a stability and consistency analysis in order to determine the minimal cubature orders a priori.作者: 薄膜 時(shí)間: 2025-3-28 23:49 作者: magnate 時(shí)間: 2025-3-29 05:25 作者: 嚴(yán)厲批評(píng) 時(shí)間: 2025-3-29 07:24
Rapid Parallel Evaluation of Integrals in Potential Theory on General Three Dimensional Regions, Poisson solver. Thus, these methods avoid the problems associated with using quadrature methods to evaluate an integral with a singular kernel. Numerical results are presented for experiments on a variety of geometries.作者: 公司 時(shí)間: 2025-3-29 14:33
Domain Decomposition Boundary Element Methods: Preprocessing and Parallel Solution, consideration into . subdomains, where . is the number of processors to be used. Furthermore, the parallel algorithm and the preconditioners being involved are discussed. Numerical examples, including potential and linear elasticity problems, which demonstrate the high efficiency of the algorithm are presented.作者: 永久 時(shí)間: 2025-3-29 19:29
Parallel Setup of Galerkin Equation System for a Geodetic Boundary Value Problem,ancing scheme is applied. It is shown how this works in the solution of the classical oblique boundary value problem (BVP) of potential theory (which results from the linearization of the fixed BVP of Physical Geodesy) on a IBM 9076 SP/2.作者: Budget 時(shí)間: 2025-3-29 23:38
Preconditioning Boundary Element Equations,lve only . nonzeros. We provide a framework for constructing operator splitting based preconditioners and use it to analyze a class of sparse preconditioners. For singular integral equations, a more efficient preconditioner is proposed that has a band-2 structure.作者: BUMP 時(shí)間: 2025-3-30 00:26 作者: obnoxious 時(shí)間: 2025-3-30 04:30
https://doi.org/10.1007/978-3-322-89941-5Numerik; Str?mung; Str?mungsmechanik; algebra; algorithms; computer; design; finite element method; flow; flu作者: Parabola 時(shí)間: 2025-3-30 10:00
978-3-322-89943-9Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig/Wiesbaden 1996作者: Expressly 時(shí)間: 2025-3-30 15:01
Boundary Elements: Implementation and Analysis of Advanced Algorithms978-3-322-89941-5Series ISSN 0179-9614 作者: refine 時(shí)間: 2025-3-30 18:07
Superconductivity. Experimental Part,lve only . nonzeros. We provide a framework for constructing operator splitting based preconditioners and use it to analyze a class of sparse preconditioners. For singular integral equations, a more efficient preconditioner is proposed that has a band-2 structure.作者: 繞著哥哥問 時(shí)間: 2025-3-30 22:36
https://doi.org/10.1007/978-1-4613-4520-6s on the effective computation of the Galerkin matrix, i.e. we introduce a numerical qudrature rule which is shown (for a model case) to converge exponentially fast with the number of kernel evaluations. Numerical experiments show that the application of this quadrature rule preserves the exponential convergence of our . Galerkin scheme.作者: CIS 時(shí)間: 2025-3-31 01:43
Handbuch der Physik‘ Encyclopedia of PhysicsA Banach algebra approach to the stability problem of spline approximation methods for a class of singular integral equations over plane domains is presented. Considering a concrete Galerkin method efficient necessary and sufficient criteria for the method to be stable can be derived.作者: Ornament 時(shí)間: 2025-3-31 05:12
J. G. Daunt,D. O. Edwards,M. YaqubIn this paper we give a description of an object-oriented approach to boundary element methods which has been elaborated as a C++ class library. It is shown that this kind of development results in a flexible and expansible software.作者: 常到 時(shí)間: 2025-3-31 10:33
On Spline Approximation Methods for Singular Integral Equations over Plane Domains,A Banach algebra approach to the stability problem of spline approximation methods for a class of singular integral equations over plane domains is presented. Considering a concrete Galerkin method efficient necessary and sufficient criteria for the method to be stable can be derived.作者: 僵硬 時(shí)間: 2025-3-31 16:47
Object Oriented Design Aspects for Boundary Element Methods,In this paper we give a description of an object-oriented approach to boundary element methods which has been elaborated as a C++ class library. It is shown that this kind of development results in a flexible and expansible software.作者: enfeeble 時(shí)間: 2025-3-31 18:05
Wolfgang Hackbusch,Gabriel WittumNotes on Numerical Fluid Mechanics作者: 松軟無力 時(shí)間: 2025-4-1 01:27
Notes on Numerical Fluid Mechanicshttp://image.papertrans.cn/b/image/190013.jpg作者: Prognosis 時(shí)間: 2025-4-1 03:25
https://doi.org/10.1007/3-540-54923-4ts. These methods have been introduced first by Beylkin, Coifman, and Rokhlin [5]. They have been developed and thoroughly investigated in the work of Alpert [1], Dahmen, Proessdorf, Schneider [16–19], Harten, Yad-Shalom [25], v.Petersdorff, Schwab [33–35], and Rathsfeld [39–40]. We describe the wav作者: flex336 時(shí)間: 2025-4-1 08:17
Superconductivity. Experimental Part,uations. This numerical integrator is fully implicit in the sense that the form of the kernel function, the surface parametrization, the trial and test space, and the order of the singularity of the kernel function is . used explicitly. Different kernels can be treated by just replacing the subrouti作者: MERIT 時(shí)間: 2025-4-1 12:36 作者: overture 時(shí)間: 2025-4-1 16:16
Superconductivity. Experimental Part,lve only . nonzeros. We provide a framework for constructing operator splitting based preconditioners and use it to analyze a class of sparse preconditioners. For singular integral equations, a more efficient preconditioner is proposed that has a band-2 structure.
