<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Disturbing potential is probably the most crucial quantity in gravity field modelling. Usually, the disturbing potential is converted into a geoid height or height anomaly and presented as a contour map of a geoid or quasigeoid. In our contribution we present a spatial geometry of the equipotential surfaces of the disturbing potential around the Earth. The models presented are solutions of a mixed boundary value problem; they combine the Neumann and Dirichlet boundary conditions, and are solved using the Finite Element Method. The boundary values are generated from an EGM2008 geopotential model. However, the combination of the terrestrial measurement and the satellite gravity gradiometry-originated data can be used in the future. Therefore this work can be seen as a preliminary study before the exploitation of the actual gravity gradiometry data. The disturbing potential model is presented in the form of a 3D model up to an altitude of 20000 km above the Earth's surface.</p></abstract>

Disturbing potential is probably the most crucial quantity in gravity field modelling. Usually, the disturbing potential is converted into a geoid height or height anomaly and presented as a contour map of a geoid or quasigeoid. In our contribution we present a spatial geometry of the equipotential surfaces of the disturbing potential around the Earth. The models presented are solutions of a mixed boundary value problem; they combine the Neumann and Dirichlet boundary conditions, and are solved using the Finite Element Method. The boundary values are generated from an EGM2008 geopotential model. However, the combination of the terrestrial measurement and the satellite gravity gradiometry-originated data can be used in the future. Therefore this work can be seen as a preliminary study before the exploitation of the actual gravity gradiometry data. The disturbing potential model is presented in the form of a 3D model up to an altitude of 20000 km above the Earth's surface.

Disturbing potential and its geometrical properties

Department of Theoretical Geodesy, Faculty of Civil Engineering, Slovak University of Technology, Radlinského 11 813 68 Bratislava, Slovakia

Department of Mathematics and Descriptive Geometry, Faculty of Civil Engineering, Slovak University of Technology, Radlinského 11 813 68 Bratislava, Slovakia

Slovak Journal of Civil Engineering

{"article-title":"Disturbing potential and its geometrical properties"}

Disturbing potential is probably the most crucial quantity in gravity field modelling. Usually, the disturbing potential is converted into a geoid height or...

Disturbing potential and its geometrical properties

Online veröffentlicht: 07. Juni 2011

Seitenbereich: 27 - 32

DOI: https://doi.org/10.2478/v10189-010-0014-4

Schlüsselwörter
Disturbing potential, Finite Element Method, Ansys

This content is open access.

Disturbing potential and its geometrical properties

Online veröffentlicht: 07. Juni 2011

Seitenbereich: 27 - 32

DOI: https://doi.org/10.2478/v10189-010-0014-4

SchlüsselwörterDisturbing potential, Finite Element Method, Ansys

This content is open access.

Schlüsselwörter
Disturbing potential, Finite Element Method, Ansys