Accuracy, convergence and stability of TWS finite element algorithms for the incompressible Navier-Stokes equations. [Taylor Weak Statement]
Conference
·
OSTI ID:6066161
The application of finite-element weak statement theoretical procedures to the derivation of robust CFD codes for the class of incompressible Navier-Stokes problems is discussed. Particular attention is given to the key theoretical and numerical practice issues for the Taylor weak statement (TWS) finite element algorithm applied to the vorticity-streamfunction and penalty constraint reformulations of the two-dimensional incompressible Navier-Stokes conservation law system. The TWS stability mechanism is found to provide an effective directionally unbiased stability control for the range of benchmark problems. 21 references.
- OSTI ID:
- 6066161
- Report Number(s):
- AIAA-Paper-89-0659; CONF-890123-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640410* -- Fluid Physics-- General Fluid Dynamics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
C CODES
COMPUTER CODES
CONSERVATION LAWS
DIFFERENTIAL EQUATIONS
EQUATIONS
FINITE ELEMENT METHOD
FLUID FLOW
FLUID MECHANICS
INCOMPRESSIBLE FLOW
INSTABILITY
MECHANICS
NAVIER-STOKES EQUATIONS
NUMERICAL SOLUTION
PARTIAL DIFFERENTIAL EQUATIONS
RAYLEIGH-TAYLOR INSTABILITY
STABILITY
UNSTEADY FLOW
VISCOUS FLOW
VORTEX FLOW
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
C CODES
COMPUTER CODES
CONSERVATION LAWS
DIFFERENTIAL EQUATIONS
EQUATIONS
FINITE ELEMENT METHOD
FLUID FLOW
FLUID MECHANICS
INCOMPRESSIBLE FLOW
INSTABILITY
MECHANICS
NAVIER-STOKES EQUATIONS
NUMERICAL SOLUTION
PARTIAL DIFFERENTIAL EQUATIONS
RAYLEIGH-TAYLOR INSTABILITY
STABILITY
UNSTEADY FLOW
VISCOUS FLOW
VORTEX FLOW