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## STRUCTURAL DYNAMICS II

CODE 66264 2017/2018 5 credits during the 2nd year of 9263 CIVIL AND ENVIRONMENTAL ENGINEERING (LM-23) GENOVA ICAR/08 Italian GENOVA (CIVIL AND ENVIRONMENTAL ENGINEERING ) 1° Semester This unit is a module of:

## OVERVIEW

The Course Structural Dynamics II provides advanced tools of Structural Dynamics for the analysis of the dynamic response of structures to random excitation. Furthermore, some basics on the dynamic behaviour of nonlinear systems and structural identification are provided.

## AIMS AND CONTENT

### LEARNING OUTCOMES

The aim of the course is to provide the students with the tools for the statistical characterization of the dynamic response of structures to stationary random excitation. Time and frequency domain analyses are introduced, together with Monte Carlo simulation techniques and signal processing. Furthermore, basic knowledge for the implementation and use of simple techniques for the experimental and operational modal analysis of structures is provided.

### AIMS AND LEARNING OUTCOMES

The course provides advanced tools of structural dynamics, including the random dynamic response of structures, an introduction to nonlinear dynamical systems, and some bases on experimental and operational modal analysis of structures. The first part of the course provides the basic tools of probability theory and random processes. The conceptual and mathematical tools are applied in numerical exercises (analysis and manipulation of random quantities through Matlab numerical codes). The second part of the course deals with the characterization of the random dynamic response of single and multi-degree-of-freedom systems. Furthermore, some typical features of nonlinear dynamical systems are shown and basic techniques for the experimental and operational modal analysis of structures will be tackled. Some of the topics are propaedeutic to the course of Wind Engineering.

### TEACHING METHODS

The course is organized in class teaching, computer lab and experimental laboratory.

### SYLLABUS/CONTENT

Probability theory and statistics. Random variables, random processes, probabilistic models. Monte Carlo method for the simulation of random forces and for the evaluation of the random dynamic response of dynamical systems. Stationary random dynamic response of linear elastic structures. Time and frequency domain formulation. Probabilistic characterization of the expected maximum dynamic response. Qualitative analysis of the dynamic response of nonlinear systems. Experimental measurement of the dynamic response of real structures, structural identification (basics).

Carassale, L. (2012). Dispense del corso.

Muscolino, G. (2002). Dinamica delle strutture, McGraw-Hill.

Elishakoff, I. (1999). Probabilistic theory of structures, Dover.

## TEACHERS AND EXAM BOARD

### Exam Board

SERGIO LAGOMARSINO (President)

FEDERICA TUBINO (President)

## LESSONS

### TEACHING METHODS

The course is organized in class teaching, computer lab and experimental laboratory.

### LESSONS START

27 September 2017

### Class schedule

All class schedules are posted on the EasyAcademy portal.

## EXAMS

Oral exam

### ASSESSMENT METHODS

The oral exam will check the comprehension of the topics tackled at lessons, computer lab and laboratory.

### Exam schedule

Date Time Location Type Notes
10/01/2018 09:00 GENOVA Orale
11/01/2018 09:30 GENOVA Orale
15/01/2018 09:30 GENOVA Orale
17/01/2018 09:30 GENOVA Orale
13/02/2018 09:30 GENOVA Orale
14/02/2018 09:00 GENOVA Orale
28/03/2018 09:00 GENOVA Orale
28/03/2018 11:30 GENOVA Orale
13/06/2018 10:00 GENOVA Orale Si prega di contattare il docente per confermare la data dell'esame orale. Il docente è disponibile a fissare anche altre date, in relazione alle esigenze degli studenti.
14/06/2018 09:00 GENOVA Orale
04/07/2018 09:00 GENOVA Orale
06/07/2018 10:00 GENOVA Orale Si prega di contattare il docente per confermare la data dell'esame orale. Il docente è disponibile a fissare anche altre date, in relazione alle esigenze degli studenti.
27/08/2018 10:00 GENOVA Orale Si prega di contattare il docente per confermare la data dell'esame orale. Il docente è disponibile a fissare anche altre date, in relazione alle esigenze degli studenti.
12/09/2018 09:00 GENOVA Orale
21/01/2019 09:00 GENOVA Orale
05/02/2019 09:00 GENOVA Orale
26/02/2019 09:00 GENOVA Orale