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Course details
Student Mobility > Programmes and Courses > Courses in English > Course detailsMulti-Criteria Design and Optimization
- Teaching: Completely taught in English
- ECTS: 4
- Level: Graduate
- Semester: Winter
- Prerequisites:
- Input competences required for course attendance are obtained knowledge of basic and advanced courses of bachelor degree in technical studies
- Load:
Lectures Exercises Laboratory exercises Project laboratory Physical education excercises Field exercises Seminar Design exercises Practicum 30 0 5 0 0 10 0 0 - Course objectives:
- Acquireing the knowledge and application of methds for optimization and multi-criteria decision making in airplane design.
- Student responsibilities:
- Grading and evaluation of student work over the course of instruction and at a final exam:
- Student evaluation is based on exhibited competences in solution of given problems and usage of prescribed computer tools. Activities that influence final grade are: -independence in work and decision making 30% -seminar (technical report) 30% -defense of seminar 40%
- Methods of monitoring quality that ensure acquisition of exit competences:
- Quality monitoring is assured through: -initial discussion during which the level of previously obtained relevant knowledge and abilities is determined -continuous monitoring of contemporary research in the field of optimization/design of a aircraft and aircraft structures -self-evaluation of course and applied lecturing methods
- Upon successful completion of the course, students will be able to (learning outcomes):
- Apply optimization and multi-criteria design methods for solving design problems in a field of airplane design and/or other complex engineering systems design. Evaluate applicability of a particular design support methods with respect to the type and characteristics of a design problem and design problem mathematical model. Design complex engineering systems using advanced design support methods
- Lectures
- 1. Fundamental concepts.
- 2. Identification of design problem for aircraft structure - design variables, design constraints, design attributes.
- 3. Formulation of design model - analytical and synthetic module for concept and preliminary and concept design phase and for all substructures.
- 4. Structure response calculation using FEM.
- 5. Calculation of reliability and adequacy of structure (feasibility).
- 6. Modeling of "decision making" process: subjective decision making, fuzzy functions, norms, Pareto preferences
- 7. Modeling of "decision making" process: objective decision making, objective function, formulations, manipulations and solution strategies for design problem.
- 8. Methods of non-linear programming with overview of those applicable to aircraft structures: linear programming, quadratic programming, dynamic programming.
- 9. Methods of non-linear programming with overview of those applicable to aircraft structures: sequential linear programming.
- 10. Methods for problems with constraints: penalty function methods, methods of optimality criteria.
- 11. Techniques for multicriterial optimization of structures: Multiobjective decision making (MODM) and Multiatribute decision making (MADM).
- 12. Examples of usage of optimization methods: methods of optimality criteria and penalty function.
- 13. Examples of usage of optimization methods: sequential linear programming, techniques for multicriterial optimization.
- 14. Examples of usage of optimization methods: , techniques for multicriterial optimization.
- 15. Available software for optimization of structures (MAESTRO, NASTRAN).
- Exercises
- 1. Assignments for seminar work.
- 2. Formulation of optimization problem for a stiffened panel.
- 3. Formulation of feasibility criteria.
- 4. Selection of optimization method. (MAESTRO, DEMAK)
- 5. Evaluation and discussion of a current seminar work status.
- 6. Evaluation and discussion of a current seminar work status.
- 7. Evaluation and discussion of a current seminar work status.
- 8. Formulation of optimization model
- 9. Evaluation and discussion of a current seminar work status.
- 10. Evaluation and discussion of a current seminar work status.
- 11. Evaluation and discussion of a current seminar work status.
- 12. Evaluation and discussion of a current seminar work status.
- 13. Evaluation and discussion of a current seminar work status.
- 14. Evaluation and discussion of a current seminar work status.
- 15. Deadline for seminars. Evaluation of seminars.
- Compulsory literature:
- Damir Vučina. Metode inženjerske. Numeričke optimizacije. S primjerima primjene u. Programskom jeziku C I MATLAB. FESB. Split, 2005
Rao, Singiresu S., Engineering Optimization: Theory and Practice, Third Edition. John Wiley & Sons, Inc., 1996, 903 pp
Prebeg, Pero (2011) Višekriterijsko projektiranje složenih tankostjenih konstrukcija, doktorski rad, Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, Mentor: Žanić, Vedran.
Megson, T.H.G.: Aircraft structures for Engineering Students, Edvard Arnold, 1990
Zanic, V., Methods and concepts for the multi-criteria synthesis of ship structures, (Editorial paper), Ships and Offshore Structures, Special issue on design and analysis of ship structures, Vol. 8, no.3-4, Paper SAOS.503, 2013. - Recommended literature: