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m this paper, the peristaltic flow of rheologically complex physiological fluids when modelled by a non-Newtonian C&son fluid in a two-dimensional channel is considered. A perturbation series method… (More)

We exhibit a characteristic structure of the class of all regular graphs of degree d that stems from the spectra of their adjacency matrices. The structure has a fractal threadlike appearance. Points… (More)

In this paper we obtain improvements and give extensions to the Switching Time Computation (STC) method, which is used to compute the switching times for bang–bang control laws. We first report a… (More)

An algorithm is proposed to solve the problem of bang–bang constrained optimal control of non-linear systems with free terminal time. The initial and terminal states are prescribed. The problem is… (More)

In this paper an algorithm is proposed to solve the problem of time-optimal bang–bang control of nonlinear systems from a given initial state to a given terminal state. The problem is reduced to the… (More)

The derivation rules from an enhanced conceptual structure into a logical schema for network and relational databases are examined. The initial conceptual structure (being itself a derivation from… (More)

Often in oil reservoirs a layer of water lies under the layer of oil. The suction pressure due to a distribution of oil wells will cause the oil-water interface to rise up towards the wells. A… (More)

- Jane M. Thredgold, Stephen K. Lucas, Phil Howlett
- Mathematical and Computer Modelling
- 2006

We consider the problem of the contact between a rigid sphere and a thin initially flat plate. After reviewing some plate theory, we establish that a deformation where a finite piece of the plate… (More)