Chapter Organization Introduction Import-Substituting Industrialization Problems of the Dual Economy Export-Oriented Industrialization: The East Asian Miracle Summary

Introduction A Standard Model of Trading Economy International Transfers of Income: Shifting the RD Curve Tariffs and Export Subsidies: Simultaneous Shifts in RS and RD Summary Appendix: Representing International Equilibrium with Offer Curves

Introduction The Specific Factors Model International Trade in the Specific Factors Model Income Distribution and the Gains from Trade The Political Economy of Trade: A Preliminary View Summary Appendix: Further Details on Specific Factors

Thus far, we have concentrated on the bending of shell beams. However, in the general case a beam is subjected to axial load. F · bending moments,M · shear forces,S torque(torsional moments)

We have looked at basic in-plane loading. Lets now consider a second\building block of types of loading: basic torsion There are 3 basic types of behavior depending on the type of cross-section

Previously saw (in Unit 19)that a multi degree-of-freedom system has the same basic form of the governing equation as a single degree-of-freedom system The difference is that it is a matrix equation

The logical extension of discrete mass systems is one of an infinite number of masses. In the limit, this is a continuous system. Take the generalized beam-column as a generic representation:

As we've previously noted, we may often want to describe a structure in various axis systems. This involves... Transformations (Axis, Deflection, Stress, Strain, Elasticity Tensors) e.g., loading axes material principal axis Figure 7.1 Unidirectional Composite with Fibers at an Angle

Let's first review a bit... from Unified, saw that there are basic considerations in elasticity: 1. Equilibrium 2. Strain-Displacement 3. Stress- Strain Relations (Constitutive Relations)

Preparation What do you think of college? Or what kind of college life did you expect to have before you cametere? What do you expect to learn at college, more book knowledge or more practical social experience? Do you think you will relax after entering the college or you will study ten harder than in high school?