Volume 41. Principles of the Gravitational Method

Introduction.
Acknowledgements.
List of symbols.
Chapter 1: Principles of theory of attraction.
1. Newton’s law of attraction.
2. The field of attraction and solution of the forward problem.
3. Different types of masses and their densities.
4. Two fundamental features of the attraction field.
5. System of equations of the field of attraction.
6. Laplace’s and Poisson’s equations.
7. The potential and its relation to masses.
8. Fundamental solution of Poisson’s and Laplace’s equations.
9. Theorem of uniqueness and solution of the forward problem.
10. Green’s formula and the relationship between potential and boundary conditions.
11. Analytical upward continuation of the field.
12. Poisson’s integral.
13. Behavior of the attraction field.
14. Legender’s functions and solution of Laplace’s equation.
Chapter 2: Gravitational field of the earth.
1. Forces acting on an elementary volume of the rotating earth and the gravitational field.
2. Gravitational field of the earth.
3. Potential of the gravitational field of the earth.
4. Potential and the gravitational field due to an ellipsoid of rotation.
5. Clairaut’s Theorem.
6. Potential of the gravitational field in terms of spherical harmonics.
7. Geoid and leveling.
8. Stokes formula.
9. Molodensky’s problem.
10. Attraction field of the spheroid.
11. Spheroid and equilibrium of rotating fluid.
12. Development of the theory of the figure of the earth.
Chapter 3: Principles of measurements of the gravitational field.
1. History of measurements of the gravitational field.
2. Principles of ballistic gravimeter.
3. Pendulum devices.
4. Influence of Coriolis force on particle motion.
5. Vertical spring mass-system.
6. Spring with an initial compression and Hooke’s law.
7. Torsion spring-mass system.
8. Lever spring-mass system.