Lecture Notes

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Autores: Enrique Barbero Pozuelo, Carlos Santiuste Romero, José Fernández Sáez
En esta sección encontraremos ficheros de transparencias, de audio, de video y con orientaciones que el profesor da en clase.

Chapter 0. Presentation of the subject

LN-F-001. Introduction to the subject. (PDF file)

Hypotheses, Previous knowledge, Objectives and skills, Description of contents, Bibliography.


Chapter 1.  Structural description of the aircraft

LN-F-002. Presentation Guide to Chapter 1. (PDF file)

LN-F-003. Topic 1.1. Loads on structural components. (PDF file)

Structure definition, structural requirements, phases of structural design, types of structural analysis, Loads classification, load models.

LN-F-004. Topic 1.2.Structural components of aircraft. (PDF file)

Wing functions, wing elements, fuselage functions, fuselage types, fuselage elements, Cutout, Stabilizers structure.

LN-F-005. Topic 1.3. Structures in the aeronautical sector. (PDF file)

Truss structures, method of resolution, frame structures, method of resolution, lattice structures


Chapter 2. Bending, shear and torsion of thin-walled beams

LN-F-006. Presentation Guide to Chapter 2. (PDF file)

LN-F-007. Topic 2.1.Bending and shear of open and closed, thin-walled beams (I). (PDF file)

Kinematics, normal stresses, shear stress field on open sections, stress field on single-cell closed sections.

LN-F-008. Topic 2.2. Bending and shear of open and closed, thin-walled beams (II). (PDF file)

Concept of shear centre, alternate method to calculate shear stress, stress field on multiple cell sections, combined open and closed section.

LN-F-009. Topic 2.3. Torsion on thin-walled beams. (PDF file)

Stress field on open sections with one and several branches, stress field on single-cell closed sections, stress field on multiple cell sections.


Chapter 3.  Thin plate theory

LN-F-010. Presentation Guide to Chapter 3. (PDF file)

LN-F-011. Topic 3.1. Bending of thin plates. (PDF file)

Definitions, Hypotheses, Equilibrium equations, Compatibility equations, Boundary conditions

LN-F-012. Topic 3.2. Circular plates. (PDF file)

Bending equations in polar coordinate system, internal forces in polar coordinate system, solution of the differential equation, boundary conditions.

LN-F-013. Topic 3.3. Shells of revolution. (PDF file)

General definition, differences between plates and shells, advantages of shells structures, Kirchhoff-Love hypothesis, membrane theory, basic geometrical relations, internal forces and equilibrium equations, strains and displacements.


Chapter 4.  Composite and sandwich structures

LN-F-014. Presentation Guide to Chapter 4. (PDF file)

LN-F-015. Topic 4.1. Laminate theory. (PDF file)

Laminate definition, anisotropic behaviour, lamina stiffness matrix, hypotheses, laminate kinematics, internal forces, laminate stiffness matrix, laminate configurations, laminate equivalent constants.

LN-F-016. Topic 4.2. Failure criteria. (PDF file)

Failure mechanisms, global failure criteria, intralaminar failure criteria, delamination criteria.

LN-F-017 .Topic 4.3. Composite Beams. (PDF file)

Analysis of beams, stresses in solid beams, displacements in solid beams, stresses in thin-walled beams, displacements in thin-walled beams.

LN-F-018. Topic 4.4. Sandwich structures. (PDF file)

Sandwich definition, sandwich advantages, hypotheses, stress field in sandwich beams, strains in sandwich beams, displacements.

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