FACULTY

APPLIED TECHNOLOGIES

DEPARTMENT

AIRCRAFT TECHNOLOGY ENGINEERING

LEVEL OF STUDIES

UNDERGRADUATE

MODULE CODE

AE4160T

SEMESTER OF STUDIES

^7th

COURSE TITLE

COMPUTATIONAL FLUID MECHANICS

INDEPENDENT TEACHING ACTIVITIES

TEACHING HOURS PER WEEK

CREDIT UNITS

Theory and Practice

4

4

COURSE TYPE

Specialty course

PRE-REQUIRED COURSES:

TEACHING AND EXAMINATION LANGUAGE

GREEK

THE COURSE IS OFFERED TO ERASMUS STUDETNS 

COURSE WEBSITE (URL)

Learning Objectives

This is a specialty course focusing on Computational Fluid Mechanics concepts.

The purpose of the course material is to introduce students to the basic principles of Computational Fluid Mechanics with the use of computer in order to create simulation models of a system . This is achieved with the help of numerical dynamic mathematical models that are executed in computers and which describe the state and the environment of the tested system having as main parameters their physical characteristics and the equations of fluid mechanics and aerodynamics.

After successfully competing the course, students should be able to:

·      know the basic concepts of computational fluid mechanics. 

·      Understand the basic elements of numerical methods.

·      Apply the computational fluid mechanics methods and solve problems on mass and energy transfer phenomena with simulation models.

·      Study the behavior of a system, check the issues associated with this behavior as well predict or estimate its future behavior. 

·      Collaborate with their fellow students to create mathematical models of problems associated with mass and energy transfer phenomena and present the results of the relevant simulations.

General skills

•     Search, analysis and combination of data and information with the use of the necessary technologies

•     Autonomous work

•     Group work

•     Work in a multidiscipline environment

•     Generation of new research ideas 

Unit 1: Introduction

Introduction – Course objective – Computers and Fluid Mechanics – Purpose of numerical analysis – Elementsof computational Fuid Mechanics – Simulation models

Unit 2: Fundamental principles of transfer phenomena

Introduction – Conservation principle – Fundamental differential equations – Heat, mass and momentum flow – Laws governing sources – General form of the conservation equation.

Unit 3: Calculating methods – Discretization

Differential equation classification – The nature of the well-posed problem. Transfer equation numerical solution – Derivative approach  - Accuracy of the derivative approach.

Unit 4: Basic properties of numerical schemes 

Introduction – Convection equation – Equation discretization – Discretization scheme accuracy – Numerical sheme  consistency – Numerical scheme stability – Numerical scheme convergence - diffusion equation – Convection/diffusion equation

Unit 5: Finite difference method

Finite difference expressions in a uniform lattice – Applications 

Unit 6: Finite control volume method 

Transfer equation integration – Transfer equation discretization – Use of terms: convection/diffusion – Use of term: source – Final form of discretized transfer equation – Flow field solution – boundary conditions

Unit 7: Numerical solution of linear algebra equation systems

 Introduction – Problem formulation – Direct methods – Iterative methods

Unit 8: Introduction to noise and its mathematical simulation prototypes

Introduction – The problem of noise – Reynolds stresses – Noise models

Unit 9: Modern advances in Computational Fluid Mechanics – Specialty software CFD

 Unit 10: Example of mass and energy simulation phenomena I

Unit 11: Example of mass and energy simulation phenomena II

Unit 12: Example of mass and energy simulation phenomena III

TEACHING METHODS

In the classroom

USE OF INFORMATION AND COMMUNICATION TECHNOLOGIES

•  Specialty software

•  Use of Internet

•  Use of e-class platform 

•  Use of computer data projector

TEACHING ORGANIZATION

STUDENT EVALUATION

Ι. Final written examination  (80%) including:

- Multiple choice questions

- Short answer questions

- Solution of computational fluid mechanics problems

ΙΙ. Simulation exercises  (20%)

-Suggested Bibliography :

·      Ν. Μαρκάτος & Δ. Ασημακόπουλος, Υπολογιστική Ρευστοδυναμική, Εκδ. Παπασωτηρίου, 1995

·      Ν. Μαρκάτος, Υπολογιστική Ρευστομηχανική, Εκδ. Συμεών, 1988

·      Γ. Μπεργελές, Υπολογιστική Ρευστομηχανική, Εκδ. Συμεών, 2006

·         O. Zikanov, Εισαγωγή στην Υπολογιστική Ρευστοδυναμική, Εκδ. Φουντας,1990

·         C.A.J. Fletcher, Computational Techniques for Fluid Dynamics , Springer 2000

·         J.H. Ferziger, M. Peric, Computational Methods for Fluid Dynamics, Springer 2002

·         S.V.Patankar, Numerical Heat Transfer and Fluid Flow, Series in Comput. Meth. in Mechanics and Thermal Sci., McGraw-Hill, 1980