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Course “Damage and Collisions” by Michel Frémond

14 Febbraio 2020 - 20 Febbraio 2020

Abstract
A mechanical structure can be damaged suddenly, for instance by a collision or an explosion. It can be smoothly and progressively damaged by mechanical or chemical actions. We address the two problems considering a simple structure: a beam.

1. Smooth motion and damage. We derive the theory based on the principle of virtual power and on convenient constitutive laws.

2. Non smooth motion. Collisions. The beam is collided by a heavy steel ball. We build a theory to predict the motion after the collision, i.e., to compute the velocity field of the beam after the collision.  The equations result from the principle of virtual work, the definition of convenient percussions (i.e., internal forces) and the derivations of constitutive laws.

Only basic continuum mechanics notions are needed to follow the mini-course which is intended to be interactive.  Numerical applications are possible.

Schedule
Friday, 14 February 2020, 15h00 – 16h00
Monday, 17 February 2020, 11h00 – 12h00
Tuesday, 18 February 2020, 15h00 – 16h00
Wensday, 19 February 2020, 15h00 – 16h00
Thursday, 20 February 2020, 15h00 – 16h00
Contact
prof. Giuseppe Vairo – vairo@ing.uniroma2.it – +39 06 7259 7088

Dettagli

Inizio:
14 Febbraio 2020
Fine:
20 Febbraio 2020
Categoria Evento:

Organizzatore

Giuseppe Vairo

Luogo

Meeting room, 2nd floor side A, building Civil Engineering University of Rome Tor Vergata – via del Politecnico 1, 00133 Rome

Dettagli

Inizio:
14 Febbraio 2020
Fine:
20 Febbraio 2020
Categoria Evento:

Organizzatore

Giuseppe Vairo

Luogo

Meeting room, 2nd floor side A, building Civil Engineering University of Rome Tor Vergata – via del Politecnico 1, 00133 Rome