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This allows decision-makers to test and better understand alternative ways in which a new policy may be best met. Discrete event simulations provide actionable insights into processes within a facility.
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Simulation allows many ‘what if?’ scenarios to be tested. DES thus allows complex decision logic to be incorporated that is not as readily possible in other types of modelling. surgery) or with different limits on gestational ages. DES models also allow for complex rules specifying where infants may be accepted for example, there may be two ICUs, but with different facilities (e.g. The model allows each unit to work to a specified level of overcapacity regarding nursing, but will monitor the time each unit is undergoing overcapacity. In order to care for an infant a unit must have the necessary cot and the necessary nursing staff (applying appropriate guidelines). In the neonatal model the key resources are cots (with the highest level of care for each cot specified) and nurses. The simulation also accounts for resources.
#DISCRETE EVENT SIMULATION SOFTWARE#
The collection includes modelling concepts for abstracting the essential features of a system, using specially designed software for converting these. the location will be changed depending on the status of the units in the network, and the level of care being received will be modified as the infant progresses). Discrete-event simulation consists of a collection of techniques that when applied to a discrete-event dynamical system, generates sequences called sample paths that characterize its behavior. The information may be modified as time runs in the simulation model (e.g. In the case of neonatal simulation this may include parameters such as gestational age or weight at birth, hospital of birth, singleton/twin and current location. In DES, patients are modelled as independent entities each of which can be given associated attribute information. DES assumes no change in the system between events. DES models the system as a series of ‘events’ that occur over time. DES is being used increasingly in health-care services 24 – 26 and the increasing speed and memory of computers has allowed the technique to be applied to problems of increasing size and complexity. Discrete event simulation (DES) is a method of simulating the behaviour and performance of a real-life process, facility or system.