This paper introduces optimistic lock synchronization using the group write consistency model (GWC). GWC guarantees strict ordering of all shared writes in a processor group. In optimistic synchronization, if a lock-requesting processor can assume that the lock is free, execution of mutually exclusive code starts immediately. Wrong assumption results in rollback. Shared variable updates remain ...

In order to correctly predict and evaluate the response of wave energy converters (WECs), an accurate representation of wave climate resource is crucial. This paper gives an overview of wave resource modeling techniques and applies a methodology to estimate the naturally available and technically recoverable resource in a given deployment site. The methodology was initially developed by the Ele...

the problem of propagation of plane wave including body and surface waves propagating in a transversely isotropic half-space with a depth-wise axis of material symmetry is investigated in details. using the advantage of representation of displacement fields in terms of two complete scalar potential functions, the coupled equations of motion are uncoupled and reduced to two independent equations...

Without shared understanding, hardly any group learning takes place. Though much has been written about the essence of shared understanding, less is known about how to assess the process of reaching shared understanding. Therefore, the study focuses on ways of assessing shared understanding. A conceptual framework is described that makes a distinction between the process of reaching shared unde...

In the effort to develop critical cyberphysical systems, existing computing formalisms are extended to include continuous behaviour. This may happen in a way that neglects elements necessary for correct continuous properties and correct physical properties. A simple language is taken to illustrate this. Issues and risks latent in this kind of approach are identified and discussed under the umbr...

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OBJECTIVE The current study aimed to investigate whether the level of consciousness influenced the F wave generation, as an independent factor. METHODS Forty three patients with acute stroke were divided according to their level of consciousness in two groups; to those with Glasgow scale (GCS) score 3-7 indicating coma (group I) and those with GCS score 8-15 (group II). A series of 40 electri...