# One U-notch in a member of rectangular section for elastic stress, axial tension

## Values for calculation

## Calculation

### Coefficient $ C_1 $

### Coefficient $ C_2 $

### Coefficient $ C_3 $

### Coefficient $ C_4 $

### The elastic stress concentration factor

## Requirements

$$0.5 \le h/r \le 4.0$$**On this page**