Mecânica dos Meios Contínuos

Teaching Methodologies

Theoretical Classes: Conventional lectures using audiovisual means. Theoretical-practical classes: Two theoretical-practical problems will be solved for each chapter. A vast set of theoretical and practical problems – with solutions – will also be made available to support the unaccompanied study. Practical Classes: Priority will be given to contact with previously prepared experiences and experimental setups that will allow the understanding of the concepts presented in the theoretical classes.
Assessment by final exam.

Learning Results

With regard to the solid environment, it is intended, in such a comprehensive approach as possible, to study the behavior of structural elements used in the areas of mechanical construction taking into account their conditions of use and the loadings to which they are subject. Determine the most convenient material, shape and dimensions most suitable to withstand the various types of external loadings applied to machines, parts, parts of structures at the lowest possible cost and safely. Understand the concepts and procedures involved in the selection and dimensioning of structural elements. Know how to design mechanical components and structures.
Transmit the theoretical knowledge needed to study the behavior of fluids at rest and in motion. As this is an introductory course in the field of Fluid Mechanics, physical concepts will be privileged over a more fundamental approach. Specific competence in knowing, understanding and how to apply the laws of mechanics to incompressible fluids is aimed. The curricular unit also includes very significant contributions in the acquisition of other skills, namely: knowing and knowing how to use measurement and control instrumentation; have the capacity to design, install, operate and maintain fluid networks, HVAC and refrigeration systems; knowing how to design hydraulic and pneumatic systems; understand the functioning and be able to install, operate and maintain thermal machines in general.

 

Program

1. Solids:
1.1. Normal stress, shear stress, displacement, strain;mechanical properties, elasticity and plasticity; Hooke’s law.
1.2. Stress-strain diagrams for ductile and fragile materials.
1.3. Safety coefficient; failure criteria.,
1.4. Structural elements subject to axial stresses: stresses in axially loaded bars.
1.5. Structural elements subject to torsion: Pure shear.
1.6. Torsion on circular and non-circular section parts.
1.7. Study of structural elements subject to bending: Pure, simple bending, combined with axial load and combined with torsion.
1.8. Bending shear stresses.
1.9. Mechanics of Solids in Composite Materials: Isotropic, Orthotropic and Anisotropic Materials.
1.10. Experimental stress analysis: Extensometry to measure deformations and consequently obtain stresses in components, structures and equipments.
2. Fluids:
2.1. Fundamental Concepts.
2.2. Fluid properties.
2.3. Fluid Statics.
2.4. Principles of Fluid Movement.
2.5. Measuring Devices.
2.6. The Two Types of Flow.
2.7. Laminar flow in pipes.
2.8. Turbulent flow in Pipes.

 

Internship(s)

NAO

Bibliography

 Gere, J., & Timoshenko, S. (1997). Mechanics of Materials (4th ed.). Boston: PWS Publishing Company.
 Hibbeler, R.C. (2006). Resistência dos Materiais (5ª ed.). São Paulo: Pearson Prentice Hall.
 Beer, F.P., Johnston, E.R., & DeWolf, J.T. (2006). Resistência dos Materiais (4ª ed.). Porto Alegre: McGraw Hill.
 Antunes, F. (2012). Mecânica Aplicada –Uma Abordagem Prática. Lidel.
 L. A. Oliveira e A. G. Lopes, Mecânica dos Fluidos, 6ª edição, Lidel, 2020.
 White, F. M., Fluid Mechanics, International Student Edition, McGraw Hill, ISBN-13: 978-0073398273.