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Shape functions, definition

Using the same shape function definitions we can approximate the velocity field across the element using... [Pg.483]

Furthermore, in a global syslena limits of definite integrals in the coefficient matrix will be different for each element. This difficulty is readily resolved using a local coordinate system (shown as x) to define the elemental shape functions as... [Pg.47]

Although beyond the scope of the present discussion, another key realization that has shaped the definition of click chemistry in recent years was that while olefins, through their selective oxidative functionalization, provide convenient access to reactive modules, the assembly of these energetic blocks into the final structures is best achieved through cydoaddition reactions involving carbon-het-eroatom bond formation, such as [l,3]-dipolar cydoadditions and hetero-Diels-Al-der reactions. The copper(i)-catalyzed cydoaddition of azides and terminal alkynes [5] is arguably the most powerful and reliable way to date to stitch a broad variety... [Pg.445]

Autocorrelation Illustration. We choose a shape function Y (r) which describes a particle in 2D space (cf. Fig. 2.4a). Because of the definition of Y (r), T 2 (r) takes the value of the volume which is shared by the particle and its imagined ghost which is displaced by r. In any case the overlap integral becomes maximal for r = 0. Here the correlation is perfect. [Pg.35]

From this definition of the shape function the partial volume of the solute is given by... [Pg.186]

SUPG) developed by Brooks and Hughes [3]. Essentially, the finite element equations remain the same however, as shown here, modified shape functions are introduced on the upwind side of a nodal point. Hence, we have two interpolation, or shape, functions that define the temperature, or convected variable, distribution. One definition uses the conventional shape functions given by... [Pg.490]

Structural features of a dendron are the rather soft geometrically defined shape, the definition of an outer rim B and a terminal (inner) functional group A (Figure 30). Whether or to what extent the dendron adopts a wedge like conformation depends only partially on the rigidity of the subunits but mostly on the sterical constraints by the surrounding. [Pg.137]

Figure 2.42. The illustration of Gauss (dash-dotted line) and Lorentz (solid line) peak shape functions. Both functions have been normalized to result in identical definite integrals... Figure 2.42. The illustration of Gauss (dash-dotted line) and Lorentz (solid line) peak shape functions. Both functions have been normalized to result in identical definite integrals...
Figure 2-13. A sketch of a flat and deformed interface, showing the definition of the coordinates and the interface shape function as discussed in the text. Figure 2-13. A sketch of a flat and deformed interface, showing the definition of the coordinates and the interface shape function as discussed in the text.
Given this definition of the shape function, the volume Vp of the particle follows as... [Pg.6]

In the present work Gallerkin s method of weighted residuals is used to derive the weak form of the equilibrium equations. Hence, the first step towards finite element discretisation of the governing equations is the definition of shape functions for the domain variables, i.e. displacement, pore water pressure and pore air pressure. Introducing these shape functions into equations 13, 14 and 15 the governing equations are approximated with a certain accuracy. The approximation errors, termed... [Pg.298]

The third phase of the procedure model regards the derivation and definition of concrete ICT-based measures to implement the logistic levers and support potentials identified before. For the development of the to-be concept for the tailored improvement of the supply and production network, the procedure model provides a comprehensive and well-tested guideline to define shape, functions and services of the electronic process support according to the demands emanating from the process environment (see Hausen, 2005). As a consequence, tailored and customized improvement in line with demands emanating from the value network, product and processes characteristics through functionalities of electronic support and automation such as transaction facilities can be realized. [Pg.182]

As outlined in Section III.A, knowledge of the molecular wavefunction implies knowledge of the electron distribution. By setting a threshold value for this function, the molecular boundaries can be established, and the path is open to a definition of molecular shape. A quicker, but quite effective, approach to this entity is taken by assuming that each atom in a molecule contributes an electron sphere, and that the overall shape of a molecular object results from interpenetration of these spheres. The necessary radii can be obtained by working backwards from the results of MO calculations21, or from some kind of empirical fitting22. [Pg.29]

Definition (5.127) as before is general in the sense that it is valid for any initial condition. But here we restrict ourselves by the delta-shaped initial distribution and consider i/(xo) as a function of xo- For arbitrary initial distribution the required timescale may be obtained from x, (x(l) by separate averaging of both numerator and denominator nif (0) — m/(oo) over initial distribution, because mf(0) is also a function of xo-... [Pg.413]


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See also in sourсe #XX -- [ Pg.208 ]




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