... methods and models, availability engi-neering, control and prediction.• Maintainability analysis: maintainability theory, methods and models, maintain-ability engineering, control and testing.• ... consideration of 14 1 Design Integrity Methodology1.1.2 Designing for Reliability, Availability, M aintainability and Safety The fundamental understanding of the concepts of reliability, availability and ... 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...