Challenges in identifying the knock-on effects of engineering change

Abstract

Engineering changes can necessitate further changes to other components, which can cause severe delays to schedules and overstretch resources. Predicting the effects of a change effectively can be challenging, depending on the modelling framework and process adopted for interrogating a design. This paper examines the limits of change prediction with existing tools, describes different patterns of change propagation and discusses the challenges in predicting their occurrence. It argues that the effectiveness of predictions can be improved by accounting for effects of organisational aspects of change when predicting propagation paths.

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