Gravity
The Gravity global feature is automatically added when Include gravity is selected at the interface level in the Gravity Effects settings. It defines the gravity forces from the Gravity vector value. Note that this feature only has an effect in porous domains.
Gravity
Enter the components of the Gravity vector . The default value is g_const which is the physical constant having the value 9.8066 m/s2.
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For 3D and 2D axisymmetric models, the default value is -g_const in the z direction.
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For 2D models, the default value is -g_const in the y direction.