Department of Aerospace Engineering

AE 430 | Course Introduction and Application Information

Course Name

Advanced Lightweight Structure

Code	Semester	Theory (hour/week)	Application/Lab (hour/week)	Local Credits	ECTS
AE 430	SPRING	2	2	3	5

Prerequisites	None
Course Language	English
Course Type	ELECTIVE_COURSE
Course Level	First Cycle
Mode of Delivery	Face-to-face
Teaching Methods and Techniques of the Course	-
National Occupational Classification Code	-
Course Coordinator	Öğr. Gör. Abbasali Saboktakin
Course Lecturer(s)	Öğr. Gör. Abbasali Saboktakin
Assistant(s)	-

Course Objectives

This course is for the design and analysis of lightweight structures with minimum weight for aerospace applications. This course is based on the student's ability to apply the principles of mathematics, material strength, and structural mechanics to design and analyze elements of lightweight aerostructures and space-related structures including launchers and space vehicles.

Learning Outcomes

The students who succeeded in this course;

Name	Description	PC Sub	* Contribution Level
Name	Description	PC Sub	1	2	3	4	5
LO1	Explain the basic concepts and principles of lightweight aerospace structures.				X
LO2	Evaluate the aerospace structures behavior subject to mechanical loadings.				X
LO3	Define basic techniques for the aerospace composite structures designing purposes.				X
LO4	Identify the behavior of connections of aerospace structures subject to different loading.				X
LO5	Apply advanced techniques for the integrity assessment of aircraft and space vehicle structures.		X

Course Description

This course provides important tools for understanding the lightweight structure design process. The course consists of simulations accompanied by new topics and experiments, mainly related to composite and fiber modeling. In addition, this course includes various information of current interest in aeronautics and astronautics.

Related Sustainable Development Goals

Course Category	Core Courses
	Major Area Courses	X
	Supportive Courses
	Media and Managment Skills Courses
	Transferable Skill Courses

WEEKLY SUBJECTS AND RELATED PREPARATION STUDIES

Week	Subjects	Required Materials	Learning Outcome
1	Introduction: • History of lightweıght aerial structures • Aerospace systems design process • Structural design process	Niu, M.C.Y. Composite Airframe Structures, Technical Book Company, Los Angeles, 1996. Chapter 1.	LO1
2	Loading: • Wing loading • Tail loading • Landing loading • Fuselage loading	Michael C. Y. Niu, Airframe Stress Analysis and Sizing, Conmilit Press Ltd, 2001. Chapter 2&3	LO2
3	Materials: • Physical and mechanical properties of lightweight materials • Application of composite materials and its selection process	Niu, M.C.Y. Composite Airframe Structures, Technical Book Company, Los Angeles, 1996. Chapter 2.	LO3
4	Failure analysis: • Principles of stress analysis • Failure criterion for static loading • Fatigue accumulation damage in composite	Zagainov, G.I.; Lozino-Lozinski, G.E. Composite Materials in Aerospace Design, Chapman & Hall, London, 1996. Chapter 5.	LO3
5	Structural instability: • Buckling of columns • Buckling of the reinforced sheet • Cylindrical shell buckling • Buckling of reinforced cylindrical shells	Michael C. Y. Niu, Airframe Stress Analysis and Sizing, Conmilit Press Ltd, 2001. Chapter 1. Chapter 7.	LO3
6	Design and analysis of a typical aerial structure: • Wing design • Body design • Design of beams and ribs	Michael C. Y. Niu, Airframe Stress Analysis and Sizing, Conmilit Press Ltd, 2001. Chapter 6 and 8.	LO4
7	Advanced composite manufacturıng	Mallick P. K., Fiber-Reinforced Composites Materials, Manufacturing and Design, CRC Press, 3rd Edition, 2008. Chapter 5.	LO3
8	Midterm 1		-
9	Wave propagation in composite materials applicable to hypervelocity impact and integrity assessment	Datta S. K., Elastic waves in composite media and structures, CRC Press, Boca Raton, FL, 2009. Chapter 1 and 2.	LO3
10	Advanced stress analysis methods usıng finite element, Multiscale Structural Modeling	Michael C. Y. Niu, Airframe Stress Analysis and Sizing, Conmilit Press Ltd, 2001. Chapter 5.	LO4
11	Three textile composite for aero structures	Long A.C., Design and Manufacture of Textile Composites, wydaw. Woodhead Publishing, Cambridge 2005. Chapter 2.	LO3
12	Performance analysis of preforms	Long A.C., Design and Manufacture of Textile Composites, wydaw. Woodhead Publishing, Cambridge 2005. Chapter 8.	LO4
13	Non-destructive testing of composite for aero structures	Mallick P. K, Fiber-Reinforced Composites Materials, Manufacturing and Design, CRC Press, 3rd Edition, 2008. Chapter 6.	LO5
14	Destructive testing of composite for aero structures	Mallick P. K., Fiber-Reinforced Composites Materials, Manufacturing and Design, CRC Press, 3rd Edition, 2008. Chapter 5.	LO5
15	Semester review	Semester review	-
16	Final	Final	-

Course Notes/Textbooks

Niu M.C.Y Composite Airframe Structures Technical Book Company Los Angeles 1996. ISBN: 978-9627128069.

Suggested Readings/Materials

Michael C. Y. Niu Airframe Stress Analysis and Sizing Conmilit Press Ltd 2001. ISBN: 978-9627128120
Zagainov G.I. Lozino-Lozinski G.E. Composite Materials in Aerospace Design Chapman & Hall London 1996 ISBN 978-94-010-4254-3
Mallick P. K. Fiber-Reinforced Composites Materials Manufacturing and Design CRC Press 3rd Edition 2008 Chapter 5. ISBN: 978-0-8493-4205-9
Datta S. K. Elastic waves in composite media and structures CRC Press Boca Raton FL 2009. ISBN:978-1420053388
Long A. C. Design and Manufacture of Textile Composites. Cambridge: Woodhead Publishing 2005. ISBN: 978-1855737440.

EVALUATION SYSTEM

Semester Activities	Number	Weighting	LO1	LO2	LO3	LO4	LO5
Laboratory / Application	1	10	X	X	X	X	X
Presentation / Jury	1	10	X	X	X	X	X
Midterm	1	30	X	X	X
Final Exam	1	50	X	X	X	X	X
Total	4	100

ECTS / WORKLOAD TABLE

Semester Activities	Number	Duration (Hours)	Workload
Participation	-	-	-
Theoretical Course Hours	16	2	32
Laboratory / Application Hours	16	2	32
Study Hours Out of Class	14	3	42
Field Work	-	-	-
Quizzes / Studio Critiques	-	-	-
Portfolio	-	-	-
Homework / Assignments	-	-	-
Presentation / Jury	1	10	10
Project	-	-	-
Seminar / Workshop	-	-	-
Oral Exams	-	-	-
Midterms	1	17	17
Final Exam	1	17	17
		Total	150