13#include "libmesh/vector_value.h"
Interface for specifying gravity vector.
Real gravityMagnitude() const
Gets gravity magnitude.
const RealVectorValue & gravityDirection() const
Gets gravity direction (zero vector if zero magnitude)
RealVectorValue _gravity_direction
Gravitational acceleration unit direction.
RealVectorValue _gravity_vector
Gravitational acceleration vector.
Real _gravity_magnitude
Gravitational acceleration magnitude.
static InputParameters validParams()
const RealVectorValue & gravityVector() const
Gets gravity magnitude.