... methods and models, availability engi-neering, control and prediction.• Maintainability analysis: maintainability theory, methods and models, maintain-ability engineering, control and testing.• ... esigns of large sys-tems give rise to design complexity and consequent high risk of design integrity.Contribution of research in integrity of engineering design Many of the meth-ods covered in ... represented by the combined topics of reliability and performan ce,availability and maintainability, and safety and risk, in an overall concept of theintegrity of engineering design which has been...