| 编制地壳垂直运动速率等值线图的有限元法 |
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| 引用本文： | 李家权,张勤.编制地壳垂直运动速率等值线图的有限元法[J].大地测量与地球动力学,1998(3). |
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| 作者姓名： | 李家权 张勤 |
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| 作者单位： | 西安工程学院 |
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| 摘 要： | 根据地壳垂直运动研究中的均衡理论，建立描述地壳垂直运动速率空间分布的数学模型，并提出应用有限元法拟合地壳垂直运动速率面的理论和方法。通过计算验证，说明有限元法可实现对地壳垂直运动速率面的精确逼近，是编制地壳垂直运动速率等值图的有效方法。
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| 关 键 词： | 地壳垂直运动 均衡假说 有限元 |
FINITE ELEMENT METHOD FOR DRAWING UP THE ISOLINE MAP OF THE CRUST VERTICAL MOVEMENT RATE |
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| Li Jiaquan and Zhang Qin.FINITE ELEMENT METHOD FOR DRAWING UP THE ISOLINE MAP OF THE CRUST VERTICAL MOVEMENT RATE[J].Journal of Geodesy and Geodynamics,1998(3). |
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| Authors: | Li Jiaquan and Zhang Qin |
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| Abstract: | Based on the isostatic theory of crust vertical movement, the mathematical model describing space distribution of crust vertical movement rate is established, and the theory and method of fitting the rate surface of the crust vertical movement with the finite element method are proposed.Finaly through calculation and test,it is illustrated that the finite element method can realize the exact approach to the rate surface of the crust vertical movement and that it is an effective method to compile isoline map of the crust vertical movement rate. |
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| Keywords: | crust vertical movement isostatic hypothesis finite element |
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