Blog posts

Mesoscale modeling of mechanics of carbon nanotubes: Self-assembly, self-folding and fracture

Submitted by Markus J. Buehler on Fri, 02/23/2007 - 22:33

Using concepts of hierarchical multi-scale modeling, we report development of a mesoscopic model for single wall carbon nanotubes with parameters completely derived from full atomistic simulations. The parameters in the mesoscopic model are fit to reproduce elastic, fracture and adhesion properties of carbon nanotubes, in this article demonstrated for (5,5) carbon nanotubes. The mesoscale model enables one to model the dynamics of systems with hundreds of ultra-long carbon nanotubes over time scales approaching microseconds.

ES 242r HW1 Q1

Submitted by Xuanhe Zhao on Fri, 02/23/2007 - 22:26

I'm Xuanhe Zhao, a first year PhD student working in Suo's Group, at Harvard University. Prior to coming to Harvard, I obtained a Master Degree in Materials Engineering from University of British Columbia.

The courses I have taken in solid mechanics include Elasticity taught by Zhigang, Plasticity taught by Prof. J. Vlassak, and Solid Structure and Defect taught by Prof. F. Spaepen. Currently, I'm also in the class of Advanced Elasticity given by Zhigang.

Electric potential

Submitted by Zhigang Suo on Fri, 02/23/2007 - 21:26

thermodynamics

statistical mechanics

Notes prepared for Statistical Mechanics and Advanced Elasticity.

My introduction to ES 242r

Submitted by J. Alberto Ortega on Fri, 02/23/2007 - 12:07

My name is J. Alberto Ortega, and I am a PhD student in civil engineering at the Massachusetts Institute of Technology (MIT). My undergraduate education took place in Texas A&M University (I am a proud member of the Fightin’ Texas Aggie Class of 2002, WHOOP!), majoring in Structural Engineering. I recently obtained my Master of Science degree in Structures and Materials from MIT.

Systematization Schemes for Mechanics and Concept Maps

Submitted by Ajit R. Jadhav on Fri, 02/23/2007 - 09:07

1. Introductory

Recently, there has been some active discussion on topics like:
-- Open-source textbooks
-- Comparing lecture notes
-- Unification of mechanics
-- Wikipedia and Citizendium

Chemical potential

Submitted by Zhigang Suo on Fri, 02/23/2007 - 03:30

thermodynamics

statistical mechanics

Attached are the slides and notes for a course on engineering thermodynamics.

iMechanica and Citizendium - the perfect union?

Submitted by Hassan Aref on Fri, 02/23/2007 - 01:35

education

Most visitors/users of iMehanica will be aware of Wikipedia. Well, there is a new project of this kind underway. To quote from its "mission statement":

The Citizendium (sit-ih-ZEN-dee-um), a "citizens' compendium of everything," is an experimental new wiki project. The project, started by a founder of Wikipedia, aims to improve on that model by adding “gentle expert oversight” and requiring contributors to use their real names.

HomeWork 1 Problem 1 Self Description

Submitted by Ashwani Kumar Goel on Thu, 02/22/2007 - 22:17

I am Ashwani Kumar Goel, currently pursuing my Ph.D. from Engineering Mechanics Department, University of Nebraska Lincoln. I am from India. I have taken my Bachelors degree in Mechanical Engineering from HBTI, Kanpur,India and my Masters degree in Applied Mechanics from IIT, Delhi, India. I have taken lots of courses related to solid mechanics starting from my undergraduation. I have taken strength of materials ,applied mechanics, mechanics of solids during my undergraduate degree and applied elasticity, theory of plasticity, theory of plates and shells, continuum mechanics, linear viscoelasticity during my graduate degree. The group I work in focuses on theoretical, computational and experimental methods for the modeling and analysis of materials and the simulation of their response. I have been part of this group for about two and half years and focusing on theoretical and computational methods to extract material characteristics from novel experimental methods and in the implementation of these characteristics into simulations.

The future role of iMechanica

Submitted by Teng Li on Thu, 02/22/2007 - 19:59

opinion

iMechanica

Since iMechanica went official on 9 September 2006, its growth has always been accelerating. As of 22 February 2007, the total number of hits on iMechanica reaches 1,000,000+, iMechanica has 1252 registered users, 908 posts and 1308 comments.

Question 1: Personal Description - Adrian Podpirka

Submitted by Adrian Podpirka on Thu, 02/22/2007 - 18:09

My name is Adrian Podpirka and I am a first year graduate student at Harvard studying Applied Physics. My undergraduate major was material science and engineering at Columbia University. Before taking fracture mechanics this semester I have taken Solid Mechanis (ES 240) with professor Suo.

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