Course Syllabus
1.
Course Number
2145321
2.
Course Credit
3 (3-0-6)
3.
Course Title
Aircraft Structures I (AIR STRUC I)
4.
Faculty/Department Faculty of Engineering/International School of Engineering
5.
Semester
First
6.
Academic Year
2555/2012 (International Program)
7.
Instructor
Assc. Prof. Kuntinee Maneeratana, Ph.D. (KMN)
8.
Condition
<kuntinee.m@chula.ac.th>, Rm 905/1 Eng 4 Bldg
8.1
Prerequisite None
8.2
Corequisite
8.3
Concurrent
None
None
9.
Status
Required
10.
Curriculum
Bachelor of Engineering in Aerospace Engineering (AERO)
11.
Degree
Undergraduate
12.
Hours/Week
3
13.
Course Description Introduction to design of aerospace structures, review of concepts of stress, deformation,
strain, and displacement and the equations of elasticity, two-dimensional problems in
elasticity, energy methods of structural analysis, principles of virtual displacements and
virtual forces, bending of thin plates, structural instability; introduction to finite element.
14.
Course Outline
14.1
Learning Objectives
Bridging basic Mechanics of Materials to intermediate Mechanics of Materials with emphasis on aircraft
structures
14.2
Behavioral Objectives
After completing the course, students should be able to
1. Describe basic features of elasticity in Cartesian coordinates
a. Relate deformation to strains and loads to stresses
b. Describe behaviors in stress-strain diagrams and determine stress/strain histories
c. Describe the characteristics and properties of stress and strain components as tensor quantities
d. Relate stress and strain components for linear elastic materials in 2D and 3D
e. Given a state of stress or stain, determine the equivalent state at other orientations
f.
Determine the principal and maximum shear stresses/strains in 2D by Mohr’s circle
g. Determine the principal and maximum shear stresses/strains in 3D by linear algebra
h. Calculate Tresca and von Mises stresses
i.
Review of stress and deformation in axially loaded members, thick-walled torsion and beam
bending
2. Analyze 2D problems in elasticity
a. Describe the equation of equilibrium using 2D/3D stress elements
b. Set well-posed elasticity problems (e.g. for finite element analyses)
c. Solve simple 2D problems for stress by stress functions, compatibility condition, inversed &
semi-inversed methods
d. Analyze for stress in rectangular plates
e. Analyze for stress and deformation in end-loaded cantilever beams
f.
Analyze for stress and deformation in torsion of solid sections with Prandtl stress and St.
Venant warping functions
g. Analyze for stress in single and multi-cell thin-walled tubes due to torsion
3. Use the energy method to analyze structures
a. Describe the characteristics and properties as well as determine strain energy and
complementary energy and potential energy
b. Describe the principle of virtual work and use the principle to determine equilibrium, stability and
analyze simple elasticity problems with emphasis on bending problems
c. A simple statically indeterminate problems with emphasis on bending
4. Analyze bending of thin plates
a. Analyze for stress and deformation in plates subjected to bending and twisting
b. Analyze for stress and deformation in plates subjected to distributed transverse load
c. Describe energy method for analyzing thin plates
5. Analyze structural instability
a. Analyze for critical load in Euler buckling of columns, including effect of initial imperfections
b. Analyze for critical load in inelastic buckling of columns
c. Analyze for maximum loads and deformation in the stability of beams under transverse and
axial loads
d. Use the energy method to calculate buckling loads in column
e. Analyze for buckling coefficients and critical loads in thin plates
f.
Analyze for critical loads in thin elastic plates
g. Describe local instability and strengthening methods
h. Analyze for loads and stress in tension field beams
6. Describe principles of stressed skin construction
a. Describe properties and selection of materials used in aircraft construction
b. Describe function, loads, fabrication of aircraft structural components
c. Discuss interesting success and failure case studies
14.3
Learning Contents
Periods
Content
Activity
9
9
9
9
6
3
Basic features of elasticity in Cartesian coordinates
2D problems in elasticity by stress function
Energy method
Bending of thin plates
Instability
Stress skin construction
Lecture
Lecture
Lecture
Lecture
Lecture
Lecture and discussion
14.4
Method
–
Lecture
42 periods
–
Lecture and discussion
3 periods
–
Brainstorming and discussion of case study so that students learn to analyze and solve
problems
–
–
14.5
None
Making a summary of the main points or presentation of the results of researching or the
assigned tasks
None
Others
None
Transparencies and opaque sheets
Homework, project
Media
–
–
PowerPoint Media
Lecture notes
–
Electronics and website media
Website & question supplements, dropbox
http://pioneer.netserv.chula.ac.th/~mkuntine/
–
Others
Lecturers’ Office Hours
14.6
14.7
Assignment through Network System
14.6.1 Assigning and Submitting Method
Website
14.6.2 Learning Management System
Website (materials, announcements, evaluation, etc.)
Evaluation
14.7.1 Assessment of academic knowledge
–
Midterm exam
35%
–
Final exam
35%
14.7.2 Assessment of work or classroom activities
–
Homework, exercise and snap quiz
14.7.3 Assessment of assigned tasks
30%
0%
14.7.4 Others
14.8
Teaching and Evaluation Summary
Objective
1. Elasticity
2. 2D elasticity
3. Energy method
4. Thin plate bending
5. Instability
6. Stressed skin construction
14.9
Classroom Conditions
Activity (Approximated percentage)
Midterm
Final
Discuss & quiz
20%
15%
12%
30%
12%
11%
80% attendance (lecture course requirement)
Obj
1. Elasticity
2. 2D elasticity
3. Energy method
4. plate bending
5. Instability
6. Stressed skin
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
2.5
3.1
3.2
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
6.1
6.2
6.3
7.1
7.2
7.3
8.1
8.2
8.3
9.1
9.2
9.3
9.4
10.1
10.2
10.3
11.1
11.2
11.3
12.1
12.2
13.1
13.2
13.3
14.10 Common Engineering Outcome


 
 








Outcome
1. Knowledge of Science & Engineering
1.1 knowledge in mathematics
1.2 knowledge in science
1.3 knowledge in engineering fundamental
1.4 knowledge in engineering specialization
1.5 knowledge in the conceptualization of
engineering models
2. Application of Science & Engineering
Knowledge
2.1 apply knowledge in mathematics
2.2 apply knowledge in science
2.3 apply knowledge in engineering fundamental
2.4 apply knowledge in engineering specialization
2.5 apply knowledge in conceptualization of
engineering models
3. Problem Analysis
3.1 identify and formulate complex engineering
problems
3.2 analyze and solve complex engineering
problems
4. Design & Development of Solution
4.1 design solutions to meet specified needs with
appropriate consideration for safety
4.2 design solutions to meet specified needs with
appropriate consideration for public health
4.3 design solutions to meet specified needs with
appropriate consideration for culture and society
4.4 design solutions to meet specified needs with
appropriate consideration for environment
5. Investigation
5.1 design experiments to investigate complex
engineering problems/designed solutions
5.2 conduct experiments to investigate complex
engineering problems/designed solutions
15.
5.3 analyze and interpret data
5.4 synthesize information to provide valid
conclusions
6. Modern Tool Usage
6.1 select appropriate/modern engineering tools,
techniques, and resources
6.2 apply appropriate/modern engineering tools,
techniques, and resources
6.3 create appropriate/modern engineering tools,
techniques, and resources
7. Working as an Individual and in Teams
7.1 function effectively as an individual
7.2 function effectively as a member in diverse
teams
7.3 function effectively as a leader in diverse teams
8. Communication
8.1 communicate (listening, speaking, writing,
reading) effectively on engineering activities with
teams
8.2 communicate (listening, speaking, writing,
reading) effectively on engineering activities with
an engineering community
8.3 communicate (listening, speaking, writing,
reading) effectively on engineering activities with
society
9. Engineer and Society
9.1 demonstrate understanding of safety issues and
consequent responsibilities relevant to
engineering practice
9.2 demonstrate understanding of public health
issues and consequent responsibilities relevant
to engineering practice
9.3 demonstrate understanding of cultural and
societal issues and consequent responsibilities
relevant to engineering practice
9.4 demonstrate understanding of legal issues and
consequent responsibilities relevant to
engineering practice
10. Ethics
10.1 have honesty & morality, and sacrifice for
common good
10.2 have self-discipline
10.3 accept of rule of law and social norms,
professional ethics, and have responsibility and
awareness of role in society
11. Environment, Sustainability, and Economics
11.1 understand an impact of engineering solutions
and a responsibility in an environment context
11.2 demonstrate knowledge of and need for
sustainable development
11.3 recognize and demonstrate an engineering
practice on a sufficient economic principle
12. Risk Management
12.1 understand of risk and change management in
engineering practice
12.2 demonstrate of risk and change management in
engineering practice
13. Life Long Learning
13.1 recognize a need for an ability to engage in
independent
13.2 have an ability to engage in independent
13.3 recognize a need for life long learning
learning
Reading List
15.1
Required Text, Choose one
Megson, T.H.G. 2007. Aircraft Structures for Engineering Students (Fourth Edition), Elsevier.
Megson, T.H.G. 1999. Aircraft Structures for Engineering Students (Third Edition), Elsevier.
15.2
Supplementary Texts
David H. Allen, D.H. and Haisler, W. 1985. Introduction to Aerospace Structural Analysis, Wiley.
Curtis, H.D. 1996. Fundamentals of Aircraft Structural Analysis, McGraw-Hill.
16.
15.3
Research Articles / Academic Articles
None
15.4
Electronic Media or Websites
Links from course website
Teacher Evaluation
16.1
Teaching Evaluation
Standard Chulalongkorn University Evaluation For Lecture Course (Form 04)
16.2
Changes made in accordance with the previous evaluation
No previous evaluation available
16.3
Discussion or analysis which creates desirable qualifications of Chulalongkorn University graduates
See mapping to Common Engineering Outcome in 14.10