# Dr. Hamad F. Alharbi | د. حمد بن فهد الحربي

Associate Professor

أستاذ الهندسة الميكانيكية المشارك ومدير مركز التميز البحثي في المواد الهندسة المتقدمة

كلية الهندسة
Building 3, Room 2C 59, Mechanical Engineering Department, King Saud University, PO Box 800, Riyadh 11421, Saudi Arabia. Email: harbihf@ksu.edu.sa
course

# Continuum Mechanics (ME-651)

An introduction to the foundations of continuum mechanics; Vectors and tensors; Kinematics of deformation: Eulerian and Lagrangian descriptions of motion; Stress in a continuum; Conservation laws: mass and momentum balance; Thermodynamics: energy balance and entropy; Constitutive equations; Fluids and solids; Viscous and elastic response; The Navier-Stokes equations; Finite elasticity; Linear elasticity.
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Course Topics:

• Introduction to the Concept of a Continuum
• Math Preliminaries (Vector Space, Linear Operators on Vector Space, Indicial and Direct Notation, Essential of Tensor Math, Eigenvalue Problem, Derivatives of Tensor Fields, Integral Theorem)
• Strain and Deformation (Lagrangian and Eulerian Coordinates, Deformation Gradient Tensor, Measures of Strain, Polar Decomposition Theorem, Material Time Derivatives, Velocity Gradient Tensor, Strain Rate and Spin Tensors)
• Stress (Cauchy Stress Tensor, Nominal or Piola-Kirchhoff Stresses, Conjugate Stress-Strain Variables, Deviatoric and Hydrostatic Stress)
• Governing Equations (Conservation of Mass (Continuity), Balance of Linear and Angular Momentums, Energy Balance (1st Law of Thermodynamics), Clausius-Duhem Inequality and 2nd Law of Thermodynamics, Helmholtz and Gibb Free Energy Functions, Principle of Virtual Work, Restrictions on Constitutive Laws, Material Frame Indifference (Objectivity))
• Introduction to Elastic Behavior of Solids (Hooke’s Law for Isothermal, Infinitesimal Linear Elasticity, Hyperelasticity, Minimum Potential Energy, Isotropic Linear Thermoelastic Relations)
• Introduction to Fluids (Stokesian Fluid, Newtonian Fluid, Navier-Stokes Equations, Incompressible and Inviscid Fluids, Irrotational Flow and Bernoulli Equation, Ideal and Rotational Flow, Classical Incompressible Flows (Couette and Laminar Flows)

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Course Meeting Times and Duration:
Meeting one day a week in the ME conference room from 6:00 pm to 9:00 pm.
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Course Outcomes
By the end of this course, students should be able to

• Demonstrate an understanding of the mathematical relations written in compact indicial notations, which are commonly used in many scientific journal papers and engineering textbooks.
• Describe the basic principles in continuum mechanics applicable to all continuous media including conservation of mass, continuity equation, momentum principles, equation of motion and equilibrium, energy balance, first and second law of thermodynamics.
• Differentiate between the general principles applicable to all continuous media and the specialized constitutive equations characterizing an individual material system.
• Identify the necessity and limitations of constitutive equations
• Explain the basic concepts and mathematical descriptions of stress and deformation in different reference frames.
• Write the main constitutive equations in both elastic and plastic deformations of solid materials.
• Describe the basic field equations of Newtonian fluids.

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Reference Texts:

• G. E. Mase & T. Mase, Continuum Mechanics for Engineers, CRC Press, 1999.L.
• J. N. Reedy, An Introduction to Continuum Mechanics, Cambridge University Press, 2007.
• E. Malvern, Introduction to the Mechanics of a Continuous Medium, Prentice-Hall, Inc., 1969.
• Y. C. Fung, A First Course in Continuum Mechanics, Prentice-Hall, Inc. 1994.
• M. E. Gurtin, E. Fried, & L. Anand, The Mechanics and Thermodynamics of Continua, Cambridge University Press, 2010.

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Checking for Announcements:
All course materials, including syllabus, lecture slides, handout, video lectures, homework assignments, and exams, will be posted on LMS system (https://lms.ksu.edu.sa). You are also expected to check your email frequently for any additional announcements.
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Expectations
All students are expected to

• View video lectures in advance of class coverage of related topics
• Select a topic for the term project before the 5th week and submit a progress report by week 11th.

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Homework (5 problem sets) .................................................................................................................................... 25
Two Major Exams.................................................................................................................................................. 30
Project ................................................................................................................................................................. 15
Final Exam ........................................................................................................................................................... 30
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Course Evaluation and Feedback
All students are strongly encouraged to provide anonymous feedback about the course and our conduct of the course. Please feel comfortable to provide feedback at any time.
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Course Schedule
The table below shows a tentative schedule for the topics, homework, and examinations in this course.

 Week Date Topics Reading Assignment 1 Jan 25, 2015 Part 1: Introduction to the Concept of a Continuum 2 Feb 1, 2015 Part 2: Math Preliminaries • Vector Space • Linear Operators on Vector Space • Indicial and Direct Notation** • Essential of Tensor Math** • Eigenvalue Problem • Derivatives of Tensor Fields • Integral Theorem Problem Set 1 (Due: March 1) 3 Feb 8, 2015 4 Feb 15, 2015 5 Feb 22, 2015 Part 3: Strain and Deformation • Lagrangian and Eulerian Coordinates • Deformation Gradient Tensor • Measures of Strain • Polar Decomposition Theorem • Decomposition of the Deformation Gradient • Material Time Derivatives • Rate of Deformation Tensor • Velocity Gradient Tensor • Decomposition of the Velocity Gradient • Spin Tensor Problem Set 2 (Due: March 29) 6 Mar 1, 2015 7 Mar 8, 2015 8 Mar 15, 2015 ** Mar 17th Major Exam I 9 Mar 22nd Semester Break 10 Mar 29, 2015 Part 4: Stress • Cauchy Stress Tensor • Nominal or Piola-Kirchhoff Stresses • Conjugate Stress-Strain Variables • Deviatoric and Hydrostatic Stress Problem Set 4 (Due: April 12) 11 Apr 5, 2015 12 Apr 12, 2015 Part 5: Governing Equations • Conservation of Mass (Continuity) • Balance of Linear and Angular Momentums • Energy Balance (1st Law of Thermodynamics) • Clausius-Duhem Inequality (2nd Law of Thermodynamics) • Principle of Virtual Work • Restrictions on Constitutive Laws • Material Frame Indifference (Objectivity) Problem Set 5 (Due: May 3) 13 Apr 19, 2015 14 Apr 26, 2015 ** Apr 28th Major Exam II 15 May 3, 2015 Part 6: Introduction to Elastic Behavior of Solids • Hooke’s Law for Linear Elasticity • Hyperelasticity • Minimum Potential Energy • Isotropic Linear Thermoelastic Relations 16 May 10, 2015 Part 7: Introduction to Fluids • Stokesian and Newtonian Fluids • Navier-Stokes Equations • Incompressible and Inviscid Fluids • Irrotational Flow and Bernoulli Equation • Classical Incompressible Flows May 17th Final Exam

Prepared by Dr. Hamad F. Alharbi [harbihf@ksu.edu.sa

course attachements