Lesson 1: 绪论 Introduction (3 学时/3 credit hours)
材料力学基本任务与主要研究对象,变形固体及其基本假设,内力、应力、应变,杆件的基本变形。
Basic tasks and main research objects of materials mechanics, deformable body and its basic assumptions, internal
force, stress, strain, and basic deformation of rob members.
Lesson 2: 轴向拉伸与压缩 Axial loads(3 学时/3 credit hours)
轴向拉、压杆件截面上的内力及应力,拉压杆的强度条件,轴向拉压时变形的计算,拉压静不定问题。
The internal force and stress on the cross section of rob under axial loading, the strength condition of the bar, the
deformation calculation of rob, and statically indeterminate problems.
Lesson 3: 剪切与挤压,联接件的强度计算 Shear and extrusion, strength calculation of connector(3 学时/3 credit
hours)
剪切和挤压力学模型、受力特征和变形特征,剪切和挤压时应力计算及联接件的设计。
Mechanical model of shear and extrusion, stress and deformation characterizations, stress calculation and design of
connector
Lesson 4: 平面图形的几何性质 Geometrical property of plane figures(3 学时/3 credit hours)
静矩,惯性矩、极惯矩和惯性积,平行移轴公式,转轴公式,形心主轴,形心主惯性矩。
Static moment, inertia moment, polar moment of inertia, product of inertia, parallel axis formula, transformation formula,
centroid axis, centroid principal moment of inertia.
Lesson 5: 扭转 Torsion(3 学时/3 credit hours)
扭转,纯剪切,剪应变,剪切虎克定律,极惯性矩和抗扭截面模量。
Torsion, pure shear, shear strain, Hooke's law of shear, polar moment of inertia, section modulus of torsion.
Lesson 6: 弯曲内力 Bending internal force(3 学时/3 credit hours)
平面弯曲,弯曲变形内力分析,截面上剪力和弯矩的计算。剪力图及弯矩图的绘制。
Bending, internal force analysis, shear force and bending moment, shear-force and bending-moment diagrams.
Lesson 7: 弯曲应力及梁的强度计算 Strength of beam(3 学时/3 credit hours)
对称梁纯弯曲,剪切弯曲的应力,梁弯曲的强度条件,组合变形的强度计算。
Pure bending of symmetrical beam, bending stress, strength condition of beam.
Lesson 8: 期中考试 Mid-term exam(2 学时/2 credit hours)
Lesson 9: 弯曲变形 Bending derformation(3 学时/3 credit hours)
梁挠曲线的近似微分方程,梁的挠度和转角的计算,梁的刚度条件。
Elastic/deflection curve, calculation of deflection and deflection angle, stiffness condition of beam.