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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mechanics-of-materials-fundamentals/
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**课程名称：材料力学：基础** **课程概述：** 本课程深入探讨三维弹性体中的应力与应变分析。您将深刻理解不同材料在载荷作用下的行为，以及这些分析如何应用于真实结构构件的性能。课程将涵盖拉伸、压缩、剪应力、弹性、塑性 oraz 蠕变等核心概念。您将学习如何计算各种材料中的应力与应变，分析轴向载荷构件、热效应以及非均匀杆件中的应变能。此外，课程还将深入讲解梁的分析，包括纯弯曲、非均匀弯曲以及线弹性材料梁中的纵向应变。最后，我们将探索关键的应力分析，研究主应力、最大剪应力，并利用平面应力莫尔圆来确保材料的最大安全性。完成本课程后，您将能够自信地应对现实世界的工程挑战，为可靠的结构设计做出明智的决策。 **课程内容：** * **材料的行为与力学性能：** * 材料力学导论 * 正应力与正应变 * 材料的力学性能 * 弹性、塑性与蠕变 * 线弹性、胡克定律与泊松比 * 剪应力与剪应变 * 容许应力与容许载荷 * **轴向载荷下的构件：** * 轴向载荷下长度的变化 * 热效应 * 应变能-1（非均匀杆件） * 应变能-2（由单个载荷引起的位移） * **梁内的应力：** * 纯弯曲与非均匀弯曲 * 梁的曲率、梁内的纵向应变 * 梁内的正应力（线弹性材料） * 梁内的剪应力 * **应力与应变分析：** * 主应力 * 最大剪应力 * 平面应力莫尔圆
Welcome to Mechanics of Materials: Exploring Structural Mechanics!In this course, we delve into the fascinating world of stress and strain analysis in three-dimensional elastic bodies. Gain a profound understanding of how different materials behave under load and how these analyses relate to the real-life performance of structural members.Through engaging lectures, we'll cover essential topics such as tension, compression, shear stress, elasticity, plasticity, and creep. You'll learn to calculate stresses and strains in various materials and analyze axially loaded members, thermal effects, and strain energy in nonuniform bars. Master the art of beam analysis, including pure bending, non-uniform bending, and longitudinal strains in beams made of linearly elastic materials.Moreover, we'll explore critical stress analysis, investigating principal stresses, maximum shear stresses, and harnessing Mohr's circle for plane stress to ensure the utmost material safety. By the end of this course, you'll be well-equipped to tackle real-world engineering challenges with confidence, making informed decisions for robust structural designs. Join us on this enriching journey into Mechanics of Materials and unlock the secrets of structural mechanics!Course Contents:Behavior & Mechanical Properties of Materials:Introduction to Mechanics of MaterialsNormal Stress and StrainMechanical Properties of MaterialsElasticity, Plasticity, and CreepLinear Elasticity, Hooke's Law, and Poisson's Ratio Shear Stress and StrainAllowable Stresses and Allowable Loads Axially Loaded Members:Changes in Lengths of Axially Loaded MembersThermal Effects Strain Energy-1 (Nonuniform Bars) Strain Energy-2 (Displacements Caused by a Single Load) Stresses in Beams:Pure Bending and Non-uniform Bending Curvature of a Beam, Longitudinal Strains in Beams Normal Stresses in Beams (Linearly Elastic Materials) Shear Stresses in BeamsAnalysis of Stress and Strain:Principal Stresses Maximum Shear StressesMohr's Circle for Plane Stress
