皇后大学MECH221静力学和固体力学补习

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皇后大学MECH221静力学和固体力学辅导

了解结构或机器部件在各种载荷条件下的行为。结构部件被视为固体弹性体，在外加载荷条件下变形。本课程将让学生了解外力是如何通过结构(作为内力)传递到支撑上的，从而引起支撑反应。此外，内力在给定的结构中产生弹性变形(通常用应变来讨论)，以及应力。

学生还将学习如何在不同类型的简单载荷条件下，如轴向力、直接剪切力、弯矩和扭矩，在所谓的临界截面上定位最大应力分量。利用叠加原理，各种应力分量将被组合起来应用于更现实的问题。还将介绍这些不同载荷类型引起的位移。

To develop an understanding of the behaviour of structural or machine components under various loading conditions.Structural components are treated as solid elastic bodies that deform under applied external loading conditions. This course will allow students to understand how external forces are transmitted through the structure (as internal forces) to its supports, thus giving rise to support reactions. Furthermore, internal forces produce elastic deformations in the given structure (which are often discussed in terms of strains), as well as stresses.

Students will also learn how to locate the maximum stress component at a point in the socalled critical cross-section for different types of simple loading conditions, such as axial forces, direct shear forces, bending moments, and torsional moments. Using the principle of superposition, the various stress components will then be combined for application to more realistic problems. The displacements caused by these various loading types will also be presented.

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