Course outline

Seismic reliability analysis. Time-invariant reliability problems. Time-variant reliability problems. Seismic hazard. Random process modelling. Recorded accelerograms. Ground motion from seismological models. Probabilistic methods, Performance-based Earthquake Engineering
(Dolsek, Vamvatsikos)

Basic aspects of earthquake geotechnical engineering. Equations of motion of saturated soils under dynamic conditions, and their numerical solution with FEM. Basic features of the behaviour of soil subjected to cyclic loading. Overview of constitutive modelling tools for cyclic soil behaviour. Outline of design principles in earthquake geotechnical engineering.
(Cecinato, Gajo)

Time domain identification and experimental modal analysis. Linear systems in state-space form. Concepts of observability and controllability. Relation of state space description to the modal model. Classical and non-classical damping. Refined and stick FE models of components/subsystems. Thermo-mechanical problems. Time domain identification. Stepped sine tests, shock tests, ambient vibration tests. Classical frequency domain identification. Laboratory setups. Structural elements.
(Abbiati, La Salandra)

Control of dynamical systems. Control system design. Specifications. PID control. Sensitivity to perturbance and parameter variation. State feedback control. State observers. Reference-model control design. Online/offline experimental dynamic substructuring methods. Demonstration in the lab of Multiple-DoF systems.
(Bursi, La Salandra)

Risk-based framework for structures and infrastructures. International standards for structural safety requirements of structures and infrastructures to extreme loads. Definitions of design-basis and beyond-design-basis accidents. Setting of a risk-based framework. Fragility curve evaluation of components/subsystems. Procedures for the definition and propagation of accidents chains in risk analysis. Quantitative risk assessment methodology of civil/mechanical facilities.
(Bursi, Paolacci)

Structures and infrastructures protection. Hazards. Concepts and principles of critical structure and infrastructure protection. Operational resilience. Resilience strategy and planning. Concept and scope of interdependency. Types of interdependency failures. Vulnerability and risk assessments. Response and rapid recovery.
(Gardoni, Padgett, Pozzi)