Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Auke van der Ploeg"'
1
Inland ship stern optimization in shallow water
Autor: Robert Hekkenberg, Auke van der Ploeg, Erik Rotteveel
Publikováno v: Ocean Engineering. 141:555-569
Inland ships continuously operate in restricted waters, where the depth and width are regularly less than twice the ship's draft and four times ship breadth, respectively. In restricted water, the flow around the hull changes compared to that in unre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9da208d266eed35e3731fdb3b04a4e0f
https://doi.org/10.1016/j.oceaneng.2017.06.028
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3
A Comparison of Several Strategies to Optimize a Ship’s Aft Body
Autor: Auke van der Ploeg
Publikováno v: Journal of Ship Production and Design. 27:202-211
This paper describes a procedure to optimize ship hull forms, based on double body viscous flow computations with PARNASSOS. A flexible and effective definition of parametric hull form variations is used, based on interpolation between basis hull for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0114294699736fbf09ee9f841dc3fca
https://doi.org/10.5957/jspd.2011.27.4.202
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4
A Parallel Jacobi--Davidson-type Method for Solving Large Generalized Eigenvalue Problems in Magnetohydrodynamics
Autor: Margreet Nool, Auke van der Ploeg
Publikováno v: SIAM Journal on Scientific Computing, 22(1), 95-112
We study the solution of generalized eigenproblems generated by a model which is used for stability investigation of tokamak plasmas. The eigenvalue problems are of the form $A x = \lambda B x$, in which the complex matrices A and B are block-tridiag
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d76bf5d253221f3b30076886b84a9fc
https://doi.org/10.1137/s106482759933290x
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5
An efficient code to compute non-parallel steady flows and their linear stability
Autor: E. F. F. Botta, Henk A. Dijkstra, Auke Van Der Ploeg, M. Jeroen Molemaker
Publikováno v: Computers & Fluids. 24:415-434
A simple, fast and efficient algorithm to compute steady non-parallel flows and their linear stability in parameter space is described. The pseudo-arclength continuation method is used to trace branches of steady states as one of the parameters is va
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aad46d7700d8aa5e98a82ae26036bcd8
https://doi.org/10.1016/0045-7930(94)00042-w
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6
Prediction of the transom flow regime with viscous free surface computations
Autor: Bram Starke, Auke van der Ploeg
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Computational Methods in Applied Sciences ISBN: 9789400761421
A steady free-surface fitting RANS method is used to accurately and efficiently compute the flow near a ship‟s transom. The chosen block topology is very well suited for the prediction of such flows: viscous free-surface flow solutions have been ob
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::619564e69e499e6b56fb1ec809b7c25b
http://hdl.handle.net/2117/333297
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7
Preconditioning techniques for non‐symmetric matrices with application to temperature calculations of cooled concrete
Autor: Auke Van Der Ploeg
Publikováno v: International Journal for Numerical Methods in Engineering, 35(6), 1311-1328
Preconditioning techniques based on incomplete LU-decomposition are described for large, sparse, non-symmetric matrix systems in which the largest part of the coefficient matrix is a symmetric M-matrix with a very regular sparsity pattern. Some metho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4110fda5b91584b037956a41014ea3c8
https://research.rug.nl/en/publications/f9b636a4-488d-4a5c-a2b1-4deef8436fc5
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8
Application of the Jacobi—Davidson Method to Spectral Calculations in Magnetohydrodynamics
Autor: Margreet Nool, J. P. Goedbloed, Auke van der Ploeg, B. van der Holst, A. J. C. Beliën
Publikováno v: High Performance Computing and Networking ISBN: 9783540675532
HPCN Europe
For the solution of the generalized complex non-Hermitian eigenvalue problems Ax = λBx occurring in the spectral study of linearized resistive magnetohydrodynamics (MHD) a new parallel solver based on the recently developed Jacobi-Davidson [18] meth
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d978d9c94fc1f8937f7b10f5201f9a60
https://doi.org/10.1007/3-540-45492-6_13
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9
Parallel Jacobi-Davidson for solving generalized eigenvalue problems
Autor: Margreet Nool, Auke van der Ploeg
Publikováno v: Vector and Parallel Processing – VECPAR’98 ISBN: 9783540662280
VECPAR
We study the Jacobi-Davidson method for the solution of large generalised eigenproblems as they arise in MagnetoHydroDynamics. We have combined Jacobi-Davidson (using standard Ritz values) with a shift and invert technique. We apply a complete LU dec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::601e9f524f32f7d633384717903f4e24
https://ir.cwi.nl/pub/1913
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10
Parallelization of a block tridiagonal solver in HPF on an IBM SP2
Autor: Auke van der Ploeg
Publikováno v: High-Performance Computing and Networking ISBN: 9783540644439
HPCN Europe
The aim of this article is to describe how an existing FORTRAN-code for the solution of block tridiagonal systems of linear equations can be parallelized by using High Performance Fortran (HPF). The algorithm we consider in this paper, consists of a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::298bac55d31f1f82e724525dc1f18dbe
https://doi.org/10.1007/bfb0037151
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