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solid mechanics

When Quartz Tubes Start to Melt, or, Why the CVD Furnace Was Down for Four Weeks: Problem 29

  This post is a description of the project Sunny Wicks and I will be pursuing for this class, to satisfy the requirements for Problem 29.

ES 240 Problem Set #8, Problem #20 - Green's function of biharmonic operator is not positive definite

Professor Vlassak mentioned that last year every single person did a finite element project.  He said he wanted to see more theory projects, so I decided to take him up on that.

I was browsing around one day and happened upon an article that explained that while the Green's function of the laplacian was positive definite, the biharmonic operator's Green's function is not.  Physically, this has significance. 

Seeking postdoctoral research position in experimental mechanics


I am looking for a postdoctoral research position in experimental mechanics in US. I'll be graduating in January 2008 with a Ph.D. in Materials Science and Engineering from Drexel University, Philadelphia. 

Rodney Hill Prize

I noticed that the Rodney Hill Prize in Solid Mechanics has been founded and would like to have his personal records in detail, hopefully with his portrait(photo). 

Dean Eastbury's picture

Reminder - abstract submission date for 3rd IC Engineering Failure Analysis

The abstract submission deadline for this next conference in the biennial Engineering Failure Analysis series ( is 30 November 2007.

The conference will take place in the coastal town of Sitges, just a short distance from Barcelona's international airport, from 13 to 16 July 2008.    

Nanshu Lu's picture

ABAQUS Tutorial for ES 240

Please download and read the following materials.

1-1 ABAQUS tutorial for ES 240.pdf

1-2 Learning ABAQUS.pdf    

1-3 CAE Example.pdf


Stress and Strain: Basic Concepts of Continuum Mechanics for Geologists

This book begins by describing real life examples of mechanical states of different materials.  The book next discusses stress.  This discussion includes force, mohr circles, tensor components of stress, and stress fields.  Next strain is discussed.  This ranges from measuring deformation to tensor components of infinite and finite strain.  The book concludes by outlining different material behaviors.  These include Hookean behavior and Newtonian behavior.  This last section also discusses energy consumed in deformation.

Yuhang Hu's picture

HW 15

Title: Theory of Plates and Shells

Author:  Stephen P. Tomoshenko and S. Woinowsky-Krieger


Chapter 1: Bending of long rectangular plates to a cylindrical surface .

Chapter 2: Pure bending of plates.

Chapter 3: Symmetrical bending of circular plates

Chapter 4: Small deflections of laterally loaded plates

Chapter 5: Simply supported rectangular plates

Chapter 6: Rectangular plates with various edge conditions

Chapter 7: Continuous rectangular plates

Chapter 8: Plates on elastic foundation

15. Recommend a textbook that you think will help students in this course

Theory of Elasticity by Landau and Lifshitz.

1 fundamental equations
2 the equilibrium of rods and plates
3 elastic waves
4 dislocations
5 thermal conduction and viscosity in solids
6 mechanics of liquid crystals

Sun Min Jung's picture

ES 240 - Sun Min Jung Q15

If I were to recommend one textbook that will help students in this course it would obviously be the "Theory of Elasticity" by Timoshenko and Goodier. But you could have found that out by simply looking at the course syllabus, so I will also recommend the following books that are helpful in other areas of the course: "Mathematical Phyiscs" by Kusse and Westwig, "Mechanics of Materials" by Beer and Johnson, and "Advanced Engineering Mathematics" by Greenberg.

Deformable Bodies and Their Material Behavior by HW Haslach and RW Armstrong

Deformable Bodies and Their Material Behavior by HW Haslach and RW Armstrong is a great reference book for solid mechanics. This text discusses a wide variety of materials, the relationships between applied stresses, displacements and material properties, the mathematical approximations to predict mechanical behaviors, and the practical uses for the theory. The text helps to understand how the theory can be applied to practical problems. The text has many worked examples to common problems.


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