Download or read book An Overset Adaptive Cartesian prism Grid Method for Moving Boundary Problems written by Ravishekar Kannan and published by . This book was released on 2005 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Parallel Simulation of Moving Boundary Flow Using Overset Adaptive Cartesian prism Grids and DES written by Zhi Jian Wang and published by . This book was released on 2004 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computational Fluid Dynamics 2006 written by Herman Deconinck and published by Springer Science & Business Media. This book was released on 2009-08-04 with total page 901 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Computational Fluid Dynamics (ICCFD) is the merger of the International Conference on Numerical Methods in Fluid Dynamics, ICNMFD (since 1969) and International Symposium on Computational Fluid Dynamics, ISCFD (since 1985). It is held every two years and brings together physicists, mathematicians and engineers to review and share recent advances in mathematical and computational techniques for modeling fluid dynamics. The proceedings of the 2006 conference (ICCFD4) held in Gent, Belgium, contain a selection of refereed contributions and are meant to serve as a source of reference for all those interested in the state of the art in computational fluid mechanics.
Download or read book A Level Set Approach to the Numerical Simulation of the Stefan Problem on Non graded Adaptive Cartesian Grids written by Han Chen and published by . This book was released on 2007 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a level set approach to the numerical simulation of the Stefan problem on non-graded adaptive Cartesian grids, i.e. grids for which the size ratio between adjacent cells is not constrained. We use the quadtree (in 2D) and octree (in 3D) data structures to discretize the computational domain and a simple recursive algorithm to automatically generate the adaptive grid. We use the level set method to keep track of the evolving interface between the two phases. We first present finite difference schemes for solving the variable coefficient Poisson and heat equations on irregular domains with Dirichlet boundary conditions on the irregular boundary. These schemes produce solutions that are second-order accurate in both the L 1 and the Linfinity norms. In addition, the solution gradients are also second-order accurate in the L 1 and the Linfinity norms, a particularly desirable feature in the case of the Stefan problem since the evolution velocity of the interface is related to the jump of the solution gradients. Second, we use these schemes as the basis of a numerical algorithm to solve the moving boundary problem associated with the Stefan problem on non-graded adaptive Cartesian grids. We demonstrate the supra-convergence of our method in the L1 and the Linfinity norms. We also demonstrate that our method can simulate physical effects such as surface tension, crystalline anisotropy, molecular kinetics and undercoolings. Finally, we demonstrate the tremendous saving in computational time and memory usage, as well as the accuracy of our method, when compared with the state-of-the-art level set methods on uniform grids.
Download or read book Aerospace America written by and published by . This book was released on 2003 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Moving Boundaries VI written by B. Šarler and published by WIT Press (UK). This book was released on 2001 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Sixth International Conference on the Computational Modelling of Free and Moving Boundary Problems"--P. facing t.p.
Download or read book An Adaptive Cartesian Grid Projection Method for Environmental Flows written by Michael Frederick Barad and published by . This book was released on 2006 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Cartesian Grid Embedded Boundary Method for the Heat Equation on Irregular Domains written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present an algorithm for solving the heat equation on irregular time-dependent domains. It is based on the Cartesian grid embedded boundary algorithm of Johansen and Colella (J. Comput. Phys. 147(2):60--85) for discretizing Poisson's equation, combined with a second-order accurate discretization of the time derivative. This leads to a method that is second-order accurate in space and time. For the case where the boundary is moving, we convert the moving-boundary problem to a sequence of fixed-boundary problems, combined with an extrapolation procedure to initialize values that are uncovered as the boundary moves. We find that, in the moving boundary case, the use of Crank--Nicolson time discretization is unstable, requiring us to use the L0-stable implicit Runge--Kutta method of Twizell, Gumel, and Arigu.
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Unstructed Grid Methods and Moving Boundary Problems written by Richard Huw Bailey and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Adaptive Cartesian prism Grid Generation and Solutions for Arbitrary Geometries written by Frank Deister and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Cartesian Grid Method for Elliptic Boundary Value Problems in Irregular Regions written by Zhiyun Yang and published by . This book was released on 1996 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Unstructured Grid Methods and Moving Boundary Problems written by Richard Holmes Bailey and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Grid Generation Methods written by Vladimir D. Liseikin and published by Springer Science & Business Media. This book was released on 2009-10-27 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is an introduction to methods of grid generation technology in scientific computing. Special attention is given to methods developed by the author for the treatment of singularly-perturbed equations, e.g. in modeling high Reynolds number flows. Functionals of conformality, orthogonality, energy and alignment are discussed.
Download or read book Higher Order Finite Element Methods written by Pavel Solin and published by CRC Press. This book was released on 2003-07-28 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The finite element method has always been a mainstay for solving engineering problems numerically. The most recent developments in the field clearly indicate that its future lies in higher-order methods, particularly in higher-order hp-adaptive schemes. These techniques respond well to the increasing complexity of engineering simulations and
Download or read book A Fast Algorithm for Generating Constrained Delaunay Triangulations written by S. W. Sloan and published by . This book was released on 1991 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
