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Any open source code to generate carbon nanotube cap?

Submitted by Damodara Reddy on

Generation of open ends carbon nanotubes coordinates (atomic positions) is easy and the generation of cap for these carbon nanotubes is extremely difficult. Some of the half-fullerenes (C60, C240, C540…) fit as a cap for the armchair and zigzag nanotubes. NanotubeModeler  (http://www.jcrystal.com/products/wincnt/index.htm) software generates the carbon nanotubes with cap but they are limited to few armchair and zigzag configurations.

Teaching Mechnical Engineering in iMechanica is an Engineering topic or an Education one, or even a Management Strategy

Submitted by shengke zhi on

To Henry and All,

To Henry and All,Regarding to Henry's distinguish idea about Teaching Mechanics in iMechanica, I am wondering is it an Mechanical topic or an Education one, or even a Management Strategy? The same phenomenon does not only exist in Mechanics education but also in all engineering fields.   

Why we struggle Engineering teaching?

Introduction

Submitted by Henry Tan on

What is the purpose of the course?

Ensure students have a clear working understanding of the principles of engineering mechanics and an ability to apply them to simple engineering systems.

Brief description of the unit

• Scalar and vector quantities.

• Forces and Newton's laws of motions.

• Kinematics of a particle; co-ordinate systems.

Ph.D. positions

Submitted by Stephane Bordas on

Dear fellows,

A short note to let you know that I have now three Ph.D. positions available to fill between now and March 2008 (sonner=better) (Students from the EU only -- fully funded). 

http://people.civil.gla.ac.uk/~bordas

http://people.civil.gla.ac.uk/~bordas/composites.pdf

http://people.civil.gla.ac.uk/~bordas/bosch.pdf