gravity#

planestress.pre.library.gravity(units: str = 'MPa') → float[source]#

Returns the gravitational acceleration with consistent units.

Parameters:

units (str) – Units system to use. See below for options. Defaults to "MPa".

Raises:

ValueError – If the value of units is not in the list below.

Returns:

Acceleration due to gravity.

Return type:

float

Units

The value for units may be one of the following:

  • "MPa" - \(g = 9.81 \times 10^3 \textrm{ mm/s}^2\)

  • "SI" - \(g = 9.81 \textrm{ m/s}^2\)