# Nonlinear finite elements/Homework 6/Solutions/Problem 1/Part 11

## Problem 1: Part 11 edit

Compute the rate of deformation at the blue point.

The rate of deformation is given by

Using the velocity gradient from the previous question, the rate of deformation at the blue point is given by

The Maple code is given below.

> #
> # Compute rate of deformation
> #
> GradVT := transpose(GradV);
> DefRate := evalm(1/2*(GradV + GradVT));