unit¶ property Stress.unit: str Symbol of the unit of measurement for stress. It must be a str. Available units are: 'Pa' for pascal, 'kPa' for kilo-pascal, 'MPa' for mega-pascal, 'GPa' for giga-pascal. Returns¶ strSymbol of the unit of measurement for stress. Raises TypeErrorIf unit is not a str. KeyErrorIf the unit is not among available ones.