Optimisation Project

Données Générales
Programme Académique	ECAM LaSalle Mechanical and Electrical Engineering Programme			Responsable(s) Module : SAYILAN Aslihan,SCHUHLER Guillaume
Type d'EC : Cours	Optimisation Project (LIIEEng08EOptiProj)
TD : 2h00 Cours : 4h00 Projet : 20h00 Travail personnel : 10h00 Durée totale: 58h00	Statut	Periode Semester 8	Langue d'enseignement : English

Objectifs Généraux
- Create an optimized system according to a given specification using topology optimization software - Choose a representative model of a mechanism - Argue the differences between experiment and simulation The objectives of this teaching are as follows: - Awareness of the concept of optimization - Use of topological optimization associated with 3D printing - Development of the ability to work independently - Development of critical thinking about numerical results

Objectifs Généraux

- Create an optimized system according to a given specification using topology optimization software
- Choose a representative model of a mechanism
- Argue the differences between experiment and simulation

The objectives of this teaching are as follows:
- Awareness of the concept of optimization
- Use of topological optimization associated with 3D printing
- Development of the ability to work independently
- Development of critical thinking about numerical results

Contenu
Optimization methods are increasingly used today. In the field of structural design, they enable in particular to reduce the mass of a mechanical system. Mass reduction leads to production cost reduction (less material), and possibly cost of use reduction (lower energy consumption). Among the different methods, topological optimization is currently experiencing strong development because of the interest it represents when associated with 3D printing. - The 2 first sessions consist in a lecture about the method, followed by a tutorial session on a practical example. The objective is to make students aware of this method. - The 4 following sessions will be devoted to carrying out a project in a group and independently. This project will consist of the following stages: * Mechanical characterization of the material used: creation and 3D printing of test specimens which will be subjected to a tensile test. The anisotropy of the material can be highlighted and characterized. * Topological optimization: search for an optimized solution for a given load case. The influence of parameters such as mesh size, boundary conditions or optimization methods should be evaluated. * Numerical validation of the optimized structure (simulation on the optimized structure). * 3D printing of the optimized structure and mechanical test on this part. The experimental results will be compared with the numerical results. Hypotheses on the differences will then be formulated.

Contenu

Optimization methods are increasingly used today. In the field of structural design, they enable in particular to reduce the mass of a mechanical system. Mass reduction leads to production cost reduction (less material), and possibly cost of use reduction (lower energy consumption).

Among the different methods, topological optimization is currently experiencing strong development because of the interest it represents when associated with 3D printing.
- The 2 first sessions consist in a lecture about the method, followed by a tutorial session on a practical example. The objective is to make students aware of this method.
- The 4 following sessions will be devoted to carrying out a project in a group and independently. This project will consist of the following stages:
* Mechanical characterization of the material used: creation and 3D printing of test specimens which will be subjected to a tensile test. The anisotropy of the material can be highlighted and characterized.
* Topological optimization: search for an optimized solution for a given load case. The influence of parameters such as mesh size, boundary conditions or optimization methods should be evaluated.
* Numerical validation of the optimized structure (simulation on the optimized structure).
* 3D printing of the optimized structure and mechanical test on this part. The experimental results will be compared with the numerical results. Hypotheses on the differences will then be formulated.

Prérequis
- Strength of Materials - Structural Analysis - Materials

Bibliographie
Optimisation des structure mécanique Méthodes numériques et éléments finis - DUNOD - M. Bruyneel, JC Craveur, P Gourmelin

Évaluation(s)
N°	Nature	Coefficient	Objectifs
1	Project	1	All of them