# Two U-notches in a member of rectangular section for elastic stress, axial tension

## Values for calculation

## Calculation

### Coefficient $ C_1 $

$\text{if }\ 0.1\le h/r\le 2.0$### Coefficient $ C_2 $

$\text{if }\ 0.1\le h/r\le 2.0$### Coefficient $ C_3 $

$\text{if }\ 0.1\le h/r\le 2.0$### Coefficient $ C_4 $

$\text{if }\ 0.1\le h/r\le 2.0$### The elastic stress concentration factor

## Requirements

$$ 0.1 \le h/r \le 50 $$**On this page**