• No results found

wave number

Reduced Vector Helmholtz Wave Equation Analysis on the Wave Number Side

Reduced Vector Helmholtz Wave Equation Analysis on the Wave Number Side

... of wave-number space, k ∈  ...vector wave equation, with Dirichlet boundary ...EM wave equation and provide Sobolev es- timates for the ...

12

Theory manual for WANDS 2 1 wave number domain FE BE software for structures and fluids

Theory manual for WANDS 2 1 wave number domain FE BE software for structures and fluids

... Two minor drawbacks will arise from the present method. Additional d.o.f. will be added to the system rather than condensed out. Furthermore there will be a larger bandwidth of the matrices. Since the problems at hand ...

169

Impact of the Wave Number Estimation in Underground Focused SAR Imaging

Impact of the Wave Number Estimation in Underground Focused SAR Imaging

... Fig. 6 shows how the tunnel response is obscured by the surface clutter. The target signal attenuates rapidly due to the constitutive parameters of this particular soil. In these three representative cases (shown in Fig. ...

10

Influence of buoyancy forces on Marangoni flow instabilities in liquid bridges

Influence of buoyancy forces on Marangoni flow instabilities in liquid bridges

... standing wave regime is more stable for heating from below with respect to heating from ...critical wave number is shifted to lower values (the decrease of m prevails on the decrease of the critical ...

40

Water wave-structure interaction for small amplitude structural oscillations

Water wave-structure interaction for small amplitude structural oscillations

... C Structural Cc Critical an Wave angular k Wave number 2Ir/L cn Velocity wave a Wave amplitude Ls Structure z Vertical CD Drag CM Inertia F' Force Fm Measured S Element {Pt} Force dampin[r] ...

367

A calculation of the elastic constants of yttrium and the rare earth metals

A calculation of the elastic constants of yttrium and the rare earth metals

... state wave functions at zero wave number, was capable of giving fairly good agreement between the calculated and experimental values of the atomic radii, compressibilities, and total energies of the ...

114

Deflation Technique to Accelerate the Convergence of Iterative Solver for the Wave Scattering Problem

Deflation Technique to Accelerate the Convergence of Iterative Solver for the Wave Scattering Problem

... M (a, b) := −∆ − (a − ιb)k 2 , where a, b ∈ R , where a and b are real and imaginary numbers respectively. The first precedent in operator based preconditioner for the Helmholtz equation was simple Laplace operator ∆, ...

5

Radial breathing mode of carbon nanotubes subjected to axial pressure

Radial breathing mode of carbon nanotubes subjected to axial pressure

... half-wave number m plays a critical role in this increasing frequency ...half-wave number increases, the incre- ment of change in the speed of the frequency ratio becomes much ...

6

Effects of non uniform temperature 
		gradients on Surface tension driven two component magneto convection in 
		a porous fluid system

Effects of non uniform temperature gradients on Surface tension driven two component magneto convection in a porous fluid system

... Marangoni number for the parabolic profile is more than that for the inverted parabolic ...horizontal wave number a on the thermal Marangoni ...three wave numbers both the profiles are ...

13

The effect of imperfections on the buckling of thin walled cylindrical shells

The effect of imperfections on the buckling of thin walled cylindrical shells

... of asymmetric imperfections with axial wave number is relatively low r = 0.5, then buckling is always dominated by short wave imperfections, regardless of variations of the other four pa[r] ...

95

Line of sight effects on observability of kink and sausage modes in coronal structures with imaging telescopes

Line of sight effects on observability of kink and sausage modes in coronal structures with imaging telescopes

... the wave and it decreases with the increase of the ...the wave number of the kink wave is shown in ...optimal wave number corresponding to the maximum ...

7

Experimental and numerical study of spatial and temporal evolution of nonlinear wave groups

Experimental and numerical study of spatial and temporal evolution of nonlinear wave groups

... nonlinear wave groups with narrow spectrum is studied both experimentally and ...instantaneous wave field along the whole ...of wave frequency spectra, as well as the temporal variation of the ...

12

Convection Due to Spatially Distributed Heating

Convection Due to Spatially Distributed Heating

... finite wave number ...exhibit wave number locking and responses that extend into two-spatial dimensions allowing for a wide resonance range even in the case of weak forcing (Manor et ...

236

Structure and Stability of Buoyant Diffusion Flames

Structure and Stability of Buoyant Diffusion Flames

... Neutral stability and amplification contours for symmetric buoyant diffusion flame using Boussinesq approximation.. Wave number-Reynolds number diagram with global nondimensionalisation.[r] ...

167

Stability of Stratified Elastico-viscous Walters’ (model  )  Fluid  in the Presence of  Variable Magnetic Field and Rotation

Stability of Stratified Elastico-viscous Walters’ (model ) Fluid in the Presence of Variable Magnetic Field and Rotation

... examined numerically using Newton–Raphson method through the software Mathcad. Figure (1) shows the variation of growth rate n r (positive real value of n ) with respect to the wave-number k for fixed ...

10

DOUBLE-DIFFUSIVE MARANGONI CONVECTION IN SUPERPOSED FLUID AND POROUS LAYERS

DOUBLE-DIFFUSIVE MARANGONI CONVECTION IN SUPERPOSED FLUID AND POROUS LAYERS

... Abstract: The Double-Diffusive Marangoni convection in a composite system comprised of an incompressible fluid- saturated porous layer underlying a layer of same fluid is considered. The lower surface of the porous layer ...

9

New Formula of Stability Number of Wave Breaker Armour Units for Non-breaking Wave Effect Irregular Wave

New Formula of Stability Number of Wave Breaker Armour Units for Non-breaking Wave Effect Irregular Wave

... non-breaking wave (surging), the stability number of breakwater layer units is proportional to the permeability, damage level, number of waves, structure slope angle, and number of Iribarren ...

6

ch16

ch16

... Therefore, 286.1 447 – 1 = 0.5624 must equal an odd integer (2n + 1) divided by a squared integer (n 2 ). That is, multiplying 0.5624 by a square (such as 1, 4, 9, 16, etc.) should give us a number very close ...

47

The effect of Reynolds number on turbulent drag reduction by streamwise travelling waves

The effect of Reynolds number on turbulent drag reduction by streamwise travelling waves

... (2013). Some Reynolds number effect is discernible in the data, but there is a lot of scatter between different studies. This is partly because different amplitudes and oscillation frequencies have been used in ...

28

Modified cyclic shift tree denoising technique with fewer number of sweep for wave V detection

Modified cyclic shift tree denoising technique with fewer number of sweep for wave V detection

... Electroencephalography (EEG), Electrocorticography (ECoG), and Local Field Potential (LFP) signals become the most challenging in term of data processing because the temporal and spatial pattern of electric fields on the ...

37

Show all 10000 documents...

Related subjects