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Information Journal Paper

Title

COMPUTATION OF REGIONAL GRAVITY ANOMALY BY FINITE ELEMENT METHOD

Pages

  131-139

Abstract

 Gravity anomalies always include the total effects (combination of the structures which have different densities and depths) of the study area and beyond.The regional-residual resolution of the potential field continues to be a topic of considerable interest among geophycists even to a present time. In spite of a large number of sophisticated analytical techniques both in the space and frequency domain, there are instances where interpreters are not satisfied with the regional and residual components obtained by this method.The FINITE ELEMENT METHOD (FEM), which has been used in potential field interpretation for decades, makes complex problems to be solved easily and accurately.A regional gravity anomaly, based on element SHAPE FUNCTIONS used in finite element analysis, is developed. The first step of FEM is to identify the elements and then to decide onthe boundary of the solution space, the solution space is divided into elements. After determination of the geometrical structure of the solution space, the most suitable elements should be chosen for this geometrical structure. The agreement between the geometry and the elements is quite important for the convergence to the best possible solution.In this work FEM was applied to a theoretical model and to gravity data from salt dome structure in Qom to produce the regional and residual anomalies.

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    APA: Copy

    ZOMORRODIAN, HOSSEIN, & MIRPANAHI, FATTEMEH. (2010). COMPUTATION OF REGIONAL GRAVITY ANOMALY BY FINITE ELEMENT METHOD. JOURNAL OF THE EARTH, 5(2), 131-139. SID. https://sid.ir/paper/193013/en

    Vancouver: Copy

    ZOMORRODIAN HOSSEIN, MIRPANAHI FATTEMEH. COMPUTATION OF REGIONAL GRAVITY ANOMALY BY FINITE ELEMENT METHOD. JOURNAL OF THE EARTH[Internet]. 2010;5(2):131-139. Available from: https://sid.ir/paper/193013/en

    IEEE: Copy

    HOSSEIN ZOMORRODIAN, and FATTEMEH MIRPANAHI, “COMPUTATION OF REGIONAL GRAVITY ANOMALY BY FINITE ELEMENT METHOD,” JOURNAL OF THE EARTH, vol. 5, no. 2, pp. 131–139, 2010, [Online]. Available: https://sid.ir/paper/193013/en

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