Моя лаба по численным методам. Даже не верится что это работает. The finite difference method
ftp://ftp.feq.ufu.br/Luis_Claudio/Books/E-Books/Food/Thermal_technologies_in_food_processing/3558x_06.pdf
At first pick Stop-criterion number. It is need for accuracy of computing than less this number than more our model will being accurate and more expensive it will be.
Next you need to draw your figure and put temperature into each node.
make your shape closed
And finally press calculate
