Fundamentals of structural dynamic analysis

Goals

formation-objectifs-seointro Fundamentals of structural dynamic analysis :

- Simulate a test by integrating the fundamentals of dynamic calculation
- Know how to modify and recalibrate the model based on test results
- Take into account the constraints and requirements of a test programme in a numerical simulation

The aim of this training course is to learn how to use:
- The concepts of vibration mechanics in a 1 DDL or n DDL system, as well as natural modes
- The finite element calculation method
- Modal recalibration
- The principle of shock simulation
- The principle of random excitation simulation

Program

1/ Define the structure of a system with 1 or n DDLs

Characterise a system, identify types of excitation

Define transfer functions

Determine the natural modes of an n DDL system

Case study on the effects of mass, damping stiffness, and mode coupling



2/ Recalibrate the model based on a test

Objectives of modal recalibration

Description of the modal recalibration technique

Practical exercise in modal recalibration on an uncalibrated model

3/ Determine the dynamic response of a structure subjected to dynamic stresses

Define the data for performing a numerical calculation

Take into account dynamic excitation

Analyse the response



4/The simulation of a shock and random excitation

Understand the technique of response spectra to shocks and random excitation

Apply this technique to a practical model and analyse the response of the structure