WOLFRAM SYSTEM MODELER

theoreticalNormalGravityWGS84

WGS84 normal gravity over earth ellipsoid in negative y-direction

Wolfram Language

In[1]:=
SystemModel["Modelica.Mechanics.MultiBody.Examples.Elementary.Utilities.theoreticalNormalGravityWGS84"]
Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Function that computes the theoretical gravity of the WGS84 ellipsoid earth model at and close to the earth ellipsoid surface, for the given "geodeticLatitude" and the given "height=r[2]" over the ellipsoid surface.

Syntax

gravity = theoreticalNormalGravityWGS84(r, phi)

Inputs (2)

r

Type: Position[3] (m)

Description: Position vector from world frame to actual point, resolved in world frame
phi

Type: Angle_deg (°)

Description: Geodetic latitude

Outputs (1)

gravity

Type: Acceleration[3] (m/s²)

Description: Gravity acceleration at position r, resolved in world frame