# Author Archives: rockmechs

## Mohr’s circle for plane stress

Mohr’s circle is a graphical representation of the stress state of a point inside a body under plane stress loading. Continue reading

## Plane stress

Plane state of stress or simply plane stress we call a special case of loading which usually occurs to solid bodies where one dimension is very small compared to the other two. Continue reading

## Equilibrium equations

A solid body is in static equilibrium when the resultant force and moment on each axis is equal to zero. This can be expressed by the equilibrium equations. Continue reading

## Index notation for tensors and vectors

Index notation is used extensively in literature when dealing with stresses, strains and constitutive equations. The reason is that it reduces drastically the number of terms in an equation and simplifies the expressions. Continue reading

## Mohr’s circle in 3 dimensions

Mohr’s diagram is a useful graphical representation of the stress state at a point. In this article we will describe the methodology to construct this diagram in the general three dimensional case. Continue reading