Now showing items 21-30 of 51
Level Crossing Probabilities for Multipath Acoustic Processes with Bimodal Spectra
(Acoustical Society of America, 1990-05)
A general method of evaluating upcrossing probabilities for a class of random processes consisting of two narrow_band signals is presented. One of the two significant frequencies of the corresponding bimodal spectra is ...
Three-dimensional desingularized boundary integral methods for potential problems
(John Wiley & Sons, Ltd, 1991-05-05)
The concept of desingularization in three-dimensional boundary integral computations is re-examined. The boundary integral equation is desingularized by moving the singular points away from the boundary and outside the ...
Lagrangian velocity profiles in the wake of a high speed vessel
(Elsevier, 1994-02)
A video imaging technique is employed in a towing basin to obtain high resolution surface Lagrangian velocity observations in the centerline wake region of a high speed, twin screw surface vessel. Approximately 30,000 ...
The velocity potential and the interacting force for two spheres moving perpendicularly to the line joining their centers
(Kluwer Academic Publishers; Springer Science+Business Media, 1993-05)
The velocity potential around two spheres moving perpendicularly to the line joining their centers is given by a series of spherical harmonics. The appropriateness of the truncation is evaluated by determining the residual ...
A VORTEX LATTICE METHOD FOR HIGH-SPEED PLANNING
(John Wiley & Sons, Ltd, 1996-03-30)
A three-dimensional numerical model using vortex lattice methods (VLMs) is developed to solve the steady planning problem. Planing hydrodynamics have similarities to the aerodynamic swept wing problem—the fundamental ...
Highlight-line algorithm for realtime surface-quality assessment
(Elsevier, 1994-04)
A new method of surface-quality assessment is presented. The model of highlight lines is introduced, and its properties and applications in surface-quality evaluation are demonstrated. The differential equation of the ...
Properties Charts for Use in Analyzing Augmented Brayton Cycles
(University of Michigan, 1996-04-01)
The Numerical Stability of Nonlinear Floating Body Calculations
(University of Michigan, 1992-09-01)
Chairperson: Armin W. Troesch &&The numerical stability of nonlinear interaction problems is investigated by applying potential flow assumptions to oscillating, non-wallsided two-dimensional and three-dimensional axisymmetric ...
Numerical computations of two-dimensional solitary waves generated by moving disturbances
(John Wiley & Sons, Ltd, 1993-11-30)
Two-dimensional solitary waves generated by disturbances moving near the critical speed in shallow water are computed by a time-stepping procedure combined with a desingularized boundary integral method for irrotational ...