Structrual Engineer's blog

Homogenization using experimental data

Submitted by Structrual Engineer on Wed, 09/11/2013 - 04:32

I am exploring the area of homogenization applications in structural
engineering.

In the literature which I have studied so far, I found papers which
developed these techniques using the structural properties of the periodic
"Unit Cell".

I am interested in estimation of approximate homogeneous properties from the
experimental data of periodic/random structures.

Can someone comment on the feasibility of this study and point me to relevant
literature if available.

Does pure shear stress exist?

Submitted by Structrual Engineer on Thu, 09/29/2011 - 11:00

Does pure shear stress exist?

1. Frictional force applied on a surface:

Comments on Cauchy's stress theorem

Submitted by Structrual Engineer on Thu, 08/04/2011 - 09:11

research

I have been bugged by this question ever since I studied cauchy's stress theory 10 years ago.

In cauchy's analysis of solids, there two popular geometries.

First one is a unit cube used for deriving equations of equilibrium.

And the second one is a tetraheadon used for deriving Cauchy's stress theorem.

In both the cases limit of force equilibrium as solid geometry shrinks to a point is derived.

My question has been, how come limit of force equilibrium at a point inside a solid depenent on the path taken by limiting process.

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