contributor author | H. Deconinck | |
contributor author | Ch. Hirsch | |
date accessioned | 2017-05-08T23:10:58Z | |
date available | 2017-05-08T23:10:58Z | |
date copyright | October, 1981 | |
date issued | 1981 | |
identifier issn | 1528-8919 | |
identifier other | JETPEZ-26769#665_1.pdf | |
identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/94469 | |
description abstract | The transonic cascade flow is calculated with an efficient and flexible Galerkin Finite Element method applied to the full potential equation in Artificial Compressibility form. Some of the typical advantages of finite element techniques are demonstrated such as the use of higher order discretization with biquadratic elements besides the classical bilinear second order accurate element, automatic treatment of the body fitted mesh due to the locally defined isoparametric mapping, easy and exact introduction of arbitrary Neumann boundary conditions along curvilinear boundaries. On the other hand, the conceptual simplicity and efficiency of the finite difference methods based on the same equation and developed for external flows are fully maintained by the use of line relaxation or approximate factorization for the iterative solution algorithm, eventually combined with a multigrid approach. The important problem of obtaining a well-constructed mesh is solved satisfactorily by automatic grid generation based on the solution of two elliptic partial differential equations. Calculations are presented and compared with experimental data for both compressor and turbine cascade flows containing shocks. | |
publisher | The American Society of Mechanical Engineers (ASME) | |
title | Finite Element Methods for Transonic Blade-to-Blade Calculation in Turbomachines | |
type | Journal Paper | |
journal volume | 103 | |
journal issue | 4 | |
journal title | Journal of Engineering for Gas Turbines and Power | |
identifier doi | 10.1115/1.3230789 | |
journal fristpage | 665 | |
journal lastpage | 677 | |
identifier eissn | 0742-4795 | |
keywords | Finite element methods | |
keywords | Blades | |
keywords | Turbomachinery | |
keywords | Flow (Dynamics) | |
keywords | Equations | |
keywords | Finite difference methods | |
keywords | Mesh generation | |
keywords | Partial differential equations | |
keywords | Compressibility | |
keywords | Boundary-value problems | |
keywords | Compressors | |
keywords | Relaxation (Physics) | |
keywords | Cascades (Fluid dynamics) | |
keywords | Shock (Mechanics) | |
keywords | Algorithms | |
keywords | Finite element analysis AND Turbines | |
tree | Journal of Engineering for Gas Turbines and Power:;1981:;volume( 103 ):;issue: 004 | |
contenttype | Fulltext | |