Flash Animations
Standing wave in a straight tube -- Linear calculation on a uniform grid
Standing wave in a straight tube -- Linear calculation on a refined grid
Standing wave in a tapered tube -- Linear calculation on a uniform grid
Standing wave in a tapered tube -- Linear calculation on a refined grid
Standing wave in a straight tube -- Nonlinear calculation on a uniform grid, 30th cycle
Wave steepening in a straight tube -- Nonlinear calculation on a uniform grid, cycles 1-30
Standing wave in a straight tube -- Nonlinear calculation on a refined grid, 30th cycle
Wave steepening in a straight tube -- Nonlinear calculation on a refined grid, cycles 1-30
Wave steepening in a straight tube -- Nonlinear calculation on a refined grid, 245 cycles showing effects of dispersion and phase error
Standing wave in a tapered tube -- Nonlinear calculation on a refined grid, 30th cycle
Viscous boundary layer -- profile of axial velocity showing decay of the standing wave and phase shift near a solid boundary
Viscous boundary layer -- profile of axial velocity showing decay of the standing wave and phase shift near a solid boundary with grid refinement in two dimensions
Viscous boundary layer -- profile of axial velocity showing the beginning of a phase shift near the solid boundary with realistic viscosity for helium and grid refinement in the axial dimension
Thermal boundary layer -- acoustic temperature variation with exaggerated thermal gas properties comparing numeric to analytic solution in a 1D calculation
Thermal boundary layer close up -- acoustic temperature variation with realistic thermal gas properties comparing numeric to analytic solution in a 1D calculation (3rd cycle)
Thermal boundary layer calculated using high-order dissipative terms -- comparing inclusion and exclusion of temperature-dependent thermal conductivity
Thermal boundary layer, high-order dissipative terms -- comparing no temperature dependence with exaggerated (x 20,000) temperature dependent thermal conductivity
Exaggerated thermal boundary layer in 2D cylindrical model, isothermal ends, adiabatic wall
Exaggerated thermal boundary layer in 2D cylindrical model, isothermal ends and wall
Tube excited by oscillating body force
Tube driven one cycle by oscillating body force followed by Gaussian-shaped force "piston" near one end -- Pressure
Tube driven one cycle by oscillating body force followed by Gaussian-shaped force "piston" near one end -- Axial velocity
Tube driven one cycle by oscillating body force followed by Gaussian-shaped force "piston" near one end -- Temperature
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Page Last Modified Thursday, 02-Oct-2008 18:06:21 EDT