ASE362 AEROSPACE STRUCTURES
| Course Code: | 3840362 |
| METU Credit (Theoretical-Laboratory hours/week): | 4 (4.00 - 0.00) |
| ECTS Credit: | 5.5 |
| Department: | Aerospace Engineering |
| Language of Instruction: | English |
| Level of Study: | Undergraduate |
| Course Coordinator: | |
| Offered Semester: | Spring Semesters. |
Course Objectives
1. Understanding aerospace structural concepts
2. Getting familiar with aircraft loads
3. Ability to calculate stresses and displacements in various elements of aircraft structures such as, box beams, stiffened panels, ....
4. Understanding buckling of columns, plates, and stiffened plates
Course Content
Main structural elements in aircraft. Loads on aircraft. V-N diagrams. Failure theories. Energy methods. Analysis of open and closed section stiffened box beams and torque boxes. Bending of unsymmetrical sections. Structural analysis of aircraft sub-structures: ribs, frames, wing box sections with cut-outs. Elastic stability: Column buckling, buckling of flat and curved panels, buckling analysis of stiffened closed section box beams, post-buckling behavior of stiffened flat and curved panels.
Course Learning Outcomes
Knowing aerospace structural concepts, including their advantages and disadvantages, and understanding aircraft structural elements and their participation in carrying flight loads.
Understanding aircraft loads, including inertia and air loads. Apply V-n diagram to identify critical flight conditions and calculate shear and bending loads at various sections along an aircraft structure.
Understanding failure criteria (Tresca, Von-Mises, Normal maximum stress, and Mohr-Coulomb), and factor of safety and margin of safety.
Apply methods for analysis of beams, including multi-material beams, curved beams, frames, and unsymmetrical bending problems in thin-walled structures.
Understanding the concept of shear flow and applying it to calculate shear stress in open and closed sections, beams, and structures.
Understanding the strain energy method in the calculation of structural displacements, Apply Virtual work analysis to determine and indeterminate structures.
Apply methods to determine torsional stress and twist angle in multi-cell closed thin-walled sections.
Apply method for the analysis of aircraft structural members (Ribs, Spars, …), idealization with boom and thin webs, bending, twist, and transverse shear loads applied to multi-cell- idealized sections, structural joints, and connections.
Concept of instability in structures and buckling of columns and struts.
Program Outcomes Matrix
| Level of Contribution | |||||
| # | Program Outcomes | 0 | 1 | 2 | 3 |
| 1 | ability to apply basic knowledge in mathematics, science, and engineering in solving aerospace engineering problems | ✔ | |||
| 2 | ability to analyze and design aerospace systems and subsystems | ✔ | |||
| 3 | ability to reach knowledge required to solve given problems and utilize that knowledge in solving them | ✔ | |||
| 4 | ability to follow advancements in their fields and improve themselves professionally | ✔ | |||
| 5 | ability to communicate and participate effectively in multi-disciplinary teams | ✔ | |||
0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution