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Cai Wei's picture

New Book: Computer Simulations of Dislocations, by Vasily V. Bulatov and Wei Cai

Companion web site ISBN:0-19-852614-8, Hard cover, 304 pages, Nov. 2006, US $74.50.

This book presents a broad collection of models and computational methods - from atomistic to continuum - applied to crystal dislocations. Its purpose is to help students and researchers in computational materials sciences to acquire practical knowledge of relevant simulation methods. Because their behavior spans multiple length and time scales, crystal dislocations present a common ground for an in-depth discussion of a variety of computational approaches, including their relative strengths, weaknesses and inter-connections. The details of the covered methods are presented in the form of "numerical recipes" and illustrated by case studies. A suite of simulation codes and data files is made available on the book's website to help the reader "to learn-by-doing" through solving the exercise problems offered in the book. This book is part of an Oxford Series on Materials Modelling.

jqu's picture

New Book: Fundamentals of Micromechanics of Solids, by Jianmin Qu and Mohammed Cherkaoui

Fundamentals of Micromechanics of Solids, Jianmin Qu, Mohammed Cherkaoui
ISBN: 0-471-46451-1, Hardcover, 400 pages, August 2006, US $120.00



  • 1.1 Background and Motivation
  • 1.2 Objectives
  • 1.3 Organization of Book
  • 1.4 Notation Conventions
  • References


give you some introduction of my department

Department of Modern Mechanics

USTC's Department of Modern Mechanics, founded in 1958, first chaired by famous scientist, Prof. H.S. Tsien, is among the most prestigious in China.

Joost Vlassak's picture

ES 246 projects

Each student creates a project that addresses a phenomenon or issue in plasticity theory, and presents it in class after the winter break. The scope of the projects is very wide: experimental, computational, or a critical discussion of one or more papers. The project contributes 30% of the grade, distributed as follows:

  • 5%: November 30 Thursday. Post your project proposal in iMechanica.
  1. Title. ES 246 project: e.g. Plastic buckling of plates.
  2. Tags. Use the following tags: ES 246, plasticity, Fall 2006, project
  3. Body. (i) Describe the project. (ii) Cite at least 1 journal article.
  • 5%: December 7 Thursday. Post a comment to critique the project proposal of at least 1 classmate.

A Wiki for Example Problems in University Mathematics

While studying (very diligently) for my upcoming midterm, I discovered a wonderful Wiki that provides problems and solutions for many collegiate math courses.

Carbon Nanotube Lecture on Nov 1st at MIT

Dr. John Hart from MIT is giving a carbon nanotube (CNT) tutorial at the International Symposoum on Nanomanufacturing (ISNM) at MIT on November 1st, Wednesday. Please see the following if you are interested.


Carbon Nanotubes: Fundamentals, synthesis, and applications

Dr. John Hart, MIT
November 1st
9.00 am - 12.30pm (with 1 break)

Computational Science Graduate Fellowship Program

The Department of Energy is once again calling for applications to its Computational Science Graduate Fellowship (CSGF) program. These fellowships cover full tuition and provide a generous stipend for up to four years, and they also provide travel support and matching funds for a computer. Undergraduate seniors or first and second year graduate students are eligible to apply.

Additional information, including an online application, is available here. Applications are due by January 10, 2007

Suhasini Gururaja's picture

Dr. M. Ramulu

Read biography here and here.

Taxonomy upgrade extras: 
Rui Huang's picture

From students' perspective

I like to keep the mindset of being a student, learning from all sources on all topics I am interested. Recently I have learned quite a lot about mechanics and mechanicians from Applied Mechanics News and its sister blogs and now iMechanica.

With a job as an assistant professor, I always try to motivate my students to become future mechanicians. For this reason, I started Modeling Place as a group blog in January and gently forced my students to participate. Out of the five students I have, two actively participate by posting frequently, two occasionally post, and one dropped out quickly after one post. Together, the blog has been doing reasonably well, in terms of both quantity and quality of posts.

I learned a few tricks in handling images and got to know some interesting works in the general area of mechanics. How about the students? What benefits have they received? I have to ask them. For one, I awarded one student with a little gift as the best post of the semester. More importantly, I believe that they are reading more than they used to do, thus gaining broader knowledge and interest in mechanics and related science. They not only read the posts in the blog but also read from other sources (online or not) to find something to post. Furthermore, they have a place to practice writing. It is a big step from reading to writing, not only for foreign students I think.

It may be still too soon to tell how well this works, but the students themselves should be able to tell us more. If you are a student, I encourage you to comment on this to tell the professors what you like or don't like about iMechanica. At this stage of development, much more features and benefits can be accomodated. Your ideas could shape the future of iMechanica and benefit all students and those considering themselves as students of life.

Teng Li's picture

nanoHUB: online simulations and more

The nanoHUB is a web-based initiative spearheaded by the NSF-funded Network for Computational Nanotechnology (NCN). Based at Purdue University and partnered by eight other universities, nanoHUB provides a web interface to numerous resources relevant to students and practitioners in nanotechnology. The cyber environment includes online courses and tutorials, proceedings of seminars, collaborative tools, and an interface for online simulation.

For example, you can view research seminars on nanoHUB through online slideshow with audio, powered by Breeze technology. You can go over the outline of the seminar, choose thumbnail views of the slides and even search text within the titles of the slides, then locate the content of interest and save some time. Another type of resource on nanoHUB is the online simulation tools, which run realtime on nanoHUB. No installation is needed.

The nanoHUB resources are open to public for free. You just need to register to use. In the last eight months, nanoHUB has served more than 10,000 users, with about 60,000 simulation jobs run and more than 10,000 videos viewed. The web server hits of nanoHUB reach 1 million in May 2006.

Teng Li's picture

A Virtual Tour of the 1906 Great Earthquake in Google Earth

The California earthquake of April 18, 1906 (one century ago today) ranks as one of the most significant earthquakes of all time. Today, its importance comes more from the wealth of scientific knowledge derived from it than from its sheer size --it marked the dawn of modern science of earthquakes.

U.S. Geological Survey (USGS) recently provides a virtual tour utilizing the geographic interactive software Google Earth to explain the scientific, engineering, and human dimensions of this earthquake. This virtual tour can help you visualize and understand the causes and effects of this and future earthquakes.

Enjoy this virtual tour to explore how Google Earth (and other new softwares...) can facilitate and improve the way we teach and conduct research.

Zhigang Suo's picture

Connexions: knowledge as commodities

(Originally posted on Applied Mechanics News on 2 May 2006)

A twelve-year old found a blueprint to assemble a computer in a magazine, and ordered parts on, a website that listed parts from all vendors and comments on each part by customers. Both features were reassuring. When the parts arrived in mail a week or two later, the boy assembled the computer himself. In the process, he saved a substantial amount of money. He also learned a lot about computers, and about dealing with his parents.

The boy could do all these because computer parts are commodities, products that are produced by different companies but conforming to the same standards: all parts fit. Websites like newegg bring the parts from the companies directly to boys and girls of all ages, skipping middlemen like Dell.

Commoditization has also occurred in the software industry, largely due to the open-source movement that has produced the Linux operating system, as well as a large number of other software systems.

Can we also commoditize knowledge? This is precisely the mission of the Connexions Project, founded by the electrical engineer Richard Baraniuk, of Rice University, in 1999. The Project has been funded by the National Science Foundation and private donors, and has produced a system of software to enable anyone to author parts of knowledge (called modules). It also enables anyone to assemble parts into a functional product of knowledge (called a course), free of charge, under a Creative Commons open license. By January 2006, Connexions hosted over 2900 modules and 138 courses.

Connexions will likely have tremendous impact on the textbook industry, which has an annual revenue of 10 billion dollars in the US alone. The Project is also bringing free, up-to-date knowledge to developing countries, including North Karea.

Connexions will also likely to change the practice of scholarship. If you'd like to learn how Connexions works, you may visit the website of Connexions, or look at a course, or read a white paper written by the Connexions staff, or simply enjoy a video of an inspiring talk given by Professor Baraniuk to Google engineers.

Notes added on 15 July 2006. Wall Street Journal (13 July 2006) reported on Rice University's Press on line and print on demand.


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