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Greetings iMechanicans

I've been struggling with a optics project for almost 3 years. I say struggle because my lack of a formal physics education leaves an accurate hypothesis out of my reach. I understand solid-state physics, as well as electromagnetic wave theory from my 40+ years of experience and research in these fields.

I hope to spark the mind(s) of anyone who could possibly explain an optomagnetic anomaly that results from this simple Superparamagnetic event that I've created.

Should I leave and try to find the answer elsewhere?

Hi,

I found in polymer books and some literatures that mechanical properties of polymer improve with the increase of their radius of gyration or end-to-end distance for a fixed molecular weight. I, however, could not find any experimental evidence or any physical explanation. 

It will be a great help to me if anyone refer me some literatures that explains the connection between these two parameters.

 Thanks,

Ashfaq Adnan

I am Dhaneshwar Mishra, currently a PhD student at Ajou University, South Korea. I am working in the area of Bimaterial Fracture. Currently i am trying to calculate Stress Intensity factor of cracked bimaterial plate. I wanted to use Interaction Integral Method to seperate Complex stress intensity factor.

Will some one please through light on use of interaction Integral Method used for cracked bimaterial interfaces.

Hope to receive early suggestions.

Thank you.

With regards

Dhaneshwar Mishra

Hello students (and also others) at iMechanica,

Last weekend, while channel browsing on TV, I happened to notice a documentary on the Hoover dam (in the US). It showed a number of jets of water, huge ones, forcefully springing forth out of the rock faces just downstream of the dam. These were the water jets coming off the electricity generation plant of the dam, *after* their job of generating electricity was already over.

I've been doing a research for my thesis, it about the application of the Strain Energy Density (SED) criterion for the fracture fixation, which is related to the biomechanics field of study.