SSPX: A program to compute strain from displacement/velocity data

N. Cardozo; R.W. Allmendinger

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SSPX: A program to compute strain from displacement/velocity data

机译：SSPX：从位移/速度数据计算应变的程序

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摘要

SSPX is a Macintosh, Cocoa/Universal application to compute strain from displacement/ velocity data in two and three dimensions. SSPX solves small and large deformation problems, in either the undeformed (Lagrangian) or deformed (Eulerian) configuration. The program offers several options to compute strain: best fit for all or selected data, strain at a point, strain at stations, Delaunay, grid-nearest neighbor, and grid-distance weighted. Except for the strain at stations option in 3D, the program computes the strain on a surface that is either flat (slice) or that follows the topography of the data. In the case of a slice and in 3D, the location and orientation of the slice can be varied to visualize the strain along horizontal or vertical east-west, north-south sections. SSPX plots strain in a 2D view (3D strain is displayed as stereonets). We show the application of the program to GPS data, analogue and DEM mechanical simulations.

机译：SSPX是Macintosh，Cocoa / Universal应用程序，用于从二维和三维的位移/速度数据计算应变。 SSPX解决了未变形（拉格朗日）或变形（欧拉）配置中的大小变形问题。该程序提供了几种计算应变的选项：最适合所有或选定的数据，某个点的应变，站点的应变，Delaunay，网格最近邻域和网格距离加权。除了3D中的“站点处应变”选项外，该程序会计算平坦（切片）或遵循数据形貌的表面上的应变。对于切片和3D切片，可以更改切片的位置和方向，以沿水平或垂直的东西，南北剖面可视化应变。 SSPX在2D视图中绘制应变（3D应变显示为立体图）。我们展示了该程序在GPS数据，模拟和DEM机械仿真中的应用。

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来源
《Computers & geosciences》 |2009年第6期|1343-1357|共15页
作者
N. Cardozo; R.W. Allmendinger;
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作者单位

Institutt for Petroleumsteknologi, Universitetet i Stavanger, 4036 Stavanger, Norway;

Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 91125, USA;

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原文格式 PDF
正文语种 eng
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关键词
inverse strain modeling; displacement gradient; GPS; analogue; DEM;

机译：逆应变建模;位移梯度全球定位系统;类似物;DEM;

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SSPX: A program to compute strain from displacement/velocity data

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