Universitat Politècnica de Catalunya · BarcelonaTech

Composite Structures (250703) – Course 2025/26 PDF

Contents

Use of composite materials: in the automotive industry, in the aircraft industry, in shipbuilding, in civil engineering. Properties of Compounds. Achievable features. Classification of composite materials. Classification by topology. Classification according to its components. Structural Classification.

Dedication

2h Large group + 2h 48m Self Study
Total: 4h 48m

Linear elastic MEF Types of nonlinearity Resolution of non-linear systems

Dedication

3h Large group + 4h 11m Self Study
Total: 7h 11m

Yield surface classification

Dedication

3h Large group + 4h 11m Self Study
Total: 7h 11m

Classical Mixing Theory mixtures. Modification classical theory. Series-parallel. Model Generalized theory mixtures. Classical theory formulated mixtures large strain. Generalized theory formulated mixtures large strain. Modifying mixing theory for reinforcing short length. Constitutive equation of the composite. Comparison "micropattern" vs. "Theory of Mixtures" with large deformation anisotropy. Application to various engineering problems Classical Mixing Theory . Modification classical theory. Series-parallel. Model Generalized theory mixtures. Classical theory formulated mixtures large strain. Generalized theory formulated mixtures large strain. Modifying mixing theory for reinforcing short length. Constitutive equation of the composite. Comparison "micromodel" vs. "Theory of Mixtures" with large deformation anisotropy. Application to various engineering problems

Dedication

2h 30m Large group + 1h 30m Medium group + 2h Laboratory classes + 8h 23m Self Study
Total: 14h 23m

Stress distribution along the reinforcing fiber. Interaction between cracks and fibers. Constitutive models for composite materials with "DFM". Implementation. Lagrangian formulation "Total" and "Update". Implementation of mixing theory and anisotropy in the context of "MEF". Phenomenon "DFM" micropattern blends theory and anisotropy. Fiber-matrix debounding (DFM) (Class 1.5)

Dedication

1h Large group + 1h Medium group + 2h 48m Self Study
Total: 4h 48m

Identification of the phenomenon. Defining the formulation. Coupling with the formulation of the theory of mixtures in small and large deformations. Delamination in laminated composites (Class 1.5)

Dedication

1h Large group + 1h Medium group + 2h 48m Self Study
Total: 4h 48m

Introduction and state of knowledge. Averages methods. Theory asymptotic expansion. Extension of the "average method" and "Asymptotic Expansion Method" to the nonlinear problem. Other issues related to standardization. Boundary conditions and implementation. Two scales solution elastic problem. Challenges to the theory of homogenization and use of adaptive methods and "multi-grid". Homogenization by Voronoi Finite Element Method. Theory based on "Local Recurrence" homogenization. Concepts on the periodic structure. Local Frequency of variables. Effect of periodic field trips. Homogenization of the strain tensor. The homogenized voltage and the equilibrium equation. Fundamentals of elastic problem in the micro-macro scales. Micro-Macro structural coupling. Influence of local effects. Application to various problems: reinforced laminates, masonry, etc. Theory homogenisation (Class 2.0)

Dedication

3h 30m Large group + 2h Medium group + 7h 42m Self Study
Total: 13h 12m

Introduction. Possible solutions for structural reinforcement of beams and concrete frames. Repair and effectiveness of possible solutions. Calculation and evaluation of reinforcements and repairs. Theory and examples

Dedication

2h Large group + 2h 48m Self Study
Total: 4h 48m

Introduction, fatigue modeling, examples

Dedication

1h 30m Large group + 2h 5m Self Study
Total: 3h 35m

Se utiliza software desarrollado en el Departamento

Dedication

12h Laboratory classes + 16h 47m Self Study
Total: 28h 47m