tailieunhanh - Lecture Mechanics of materials (Third edition) - Chapter 1: Introduction - Concept of stress

Lecture Mechanics of materials (Third edition) - Chapter 1 "Introduction - Concept of stress". The main contents of the chapter consist of the following: Concept of stress, review of statics, structure free-body diagram, component free-body diagram, method of joints, stress analysis, design,. | Third Edition CHAPTER MECHANICS OF MATERIALS Ferdinand P. Beer E. Russell Johnston, Jr. John T. DeWolf Introduction – Concept of Stress Lecture Notes: J. Walt Oler Texas Tech University © 2002 The McGraw-Hill Companies, Inc. All rights reserved. Third Edition MECHANICS OF MATERIALS Beer • Johnston • DeWolf Contents Concept of Stress Bearing Stress in Connections Review of Statics Stress Analysis & Design Example Structure Free-Body Diagram Rod & Boom Normal Stresses Component Free-Body Diagram Pin Shearing Stresses Method of Joints Pin Bearing Stresses Stress Analysis Stress in Two Force Members Design Stress on an Oblique Plane Axial Loading: Normal Stress Maximum Stresses Centric & Eccentric Loading Stress Under General Loadings Shearing Stress State of Stress Shearing Stress Examples Factor of Safety © 2002 The McGraw-Hill Companies, Inc. All rights reserved. 1-2 Third Edition MECHANICS OF MATERIALS Beer • Johnston • DeWolf Concept of Stress • The main objective of the study of mechanics of materials is to provide the future engineer with the means of analyzing and designing various machines and load bearing structures. • Both the analysis and design of a given structure involve the determination of stresses and deformations. This chapter is devoted to the concept of stress. © 2002 The McGraw-Hill Companies, Inc. All rights reserved. 1-3 Third Edition MECHANICS OF MATERIALS Beer • Johnston • DeWolf Review of Statics • The structure is designed to support a 30 kN load • The structure consists of a boom and rod joined by pins (zero moment connections) at the junctions and supports • Perform a static analysis to determine the internal force in each structural member and the reaction forces at the supports © 2002 The McGraw-Hill Companies, Inc. All rights reserved. 1-4 Third Edition MECHANICS OF MATERIALS Beer • Johnston • DeWolf Structure Free-Body Diagram • Structure is detached from supports and the loads and .

• Kiến trúc - Xây dựng
• Mechanics of materials
• Cơ học vật liệu
• Lecture Mechanics of materials
• Structure free body diagram
• Component free body diagram
• Method of joints
• Composite materials
• Mechanics of composite materials
• Mechanics of composite materials with MATLAB
• Effective elastic constants
• Homogenization of composite materials
• Introduction to damage mechanics
• Mechanical properties of materials
• Material impact on deformation
• Rectangular cross section
• Elastic and plastic regions
• Tension test
• Material constants
• Modulus of elasticity
• Logic in structural analysis
• Mechanics materials
• Recycling fiber reinforced composites
• Macromechanical analysis of a lamina
• Fracture mechanics
• mechanics
• racks in materials
• analytical solid mechanics
• modern materials science
• macroscopic mechanical
• Axial loading
• Normal strain
• Stress strain test
• Torsional loads
• Axial shear components
• Shaft deformations
• Pure bending
• Symmetric member
• Bending deformations
• Beams for bending
• Bending moment diagrams
• Bending moment
• Shearing stresses in beams
• Thinwalled members
• Beam element
• Transformations of stress
• Transformation of plane stress
• Maximum shearing stress
• Principle stresses
• Transmission shaft
• Stresses under combined loadings
• Deflection of beams
• Elastic curve
• Statically indeterminate beams
• Stability of structures
• Pin ended beams
• Eccentric loading
• Energy methods
• Strain energy
• Strain energy density
• Torsion of Shafts
• Internal Torque
• Homogeneous cross section
• Concept of stress
• Stress on a surface
• Tensile stress
• Contructions of stress element
• Stress components
• Concept of strain
• Lagrangian strain
• Eulerian strain
• Preliminary definitions
• Average normal strain
• Average shear strain
• Axial members
• Prelude to theory
• Internal axial force
• Strain distribution
• Material model
• Axial formulas
• Theory for circular shafts
• Torsion formulas
• Circular cross section