COMPUTATIONAL FLUID DYNAMICS
Stampa
Anno immatricolazione
2018/2019
Anno offerta
2018/2019
Normativa
DM270
SSD
ICAR/01 (IDRAULICA)
Dipartimento
DIPARTIMENTO DI INGEGNERIA CIVILE E ARCHITETTURA
Corso di studio
CIVIL ENGINEERING FOR MITIGATION OF RISK FROM NATURAL HAZARDS
Curriculum
Hydrogeological risk assessment and mitigation
Anno di corso
Periodo didattico
Secondo Semestre (04/03/2019 - 22/03/2019)
Crediti
6
Ore
51 ore di attività frontale
Lingua insegnamento
English
Tipo esame
SCRITTO E ORALE CONGIUNTI
Docente
SIBILLA STEFANO (titolare) - 4 CFU
FENOCCHI ANDREA - 2 CFU
Prerequisiti
Basic knowledge in Fluid Mechanics and Numerical Analysis
Obiettivi formativi
The course is intended to give to the student a basic knowledge of the numerical methods applied to the hydraulic and fluid dynamic analysis, learning to apply them with awareness, also through the use of dedicated software.
Programma e contenuti
Equations of fluid mechanics
Conservation of mass and momentum. Euler equations. Navier-Stokes equations.

Discretization methods
Finite Differences method. Accuracy, stability and numerical diffusion. Finite volumes method. Evaluation of flux terms.

Numerical solution of the Navier-Stokes equations
Linearization methods for the convective terms. Projection methods for the solution of the equations of motion of incompressible fluids. SIMPLE and PISO methods. Treatment of the free surface in Eulerian schemes: the VoF (Volume of Fluid) method.

Turbulence modelling
Turbulent flow theory. Reynolds-averaged equations. Turbulent kinetic energy and its dissipation. The k-epsilon method.

Smoothed Particle Hydrodynamics
Numerical techniques in a Lagrangian frame. Kerner approximation and particle approximation. SPH solution of the Navier-Stokes equations. Enforcement of boundary conditions.
Metodi didattici
Lectures and practical classes with use of CFD software
Testi di riferimento
J.H. Ferziger, M. Peric. Computational methods for fluid dynamics. Springer.
Modalità verifica apprendimento
The exam will consit in the discussion of a report, describing the simulations realized during the course
Altre informazioni
Obiettivi Agenda 2030 per lo sviluppo sostenibile