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首页> 外文期刊>Journal of Applied Remote Sensing >High-performance computing and visualization of earthquake simulations and ground-motion sensor network data
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High-performance computing and visualization of earthquake simulations and ground-motion sensor network data

机译：地震模拟和地面运动传感器网络数据的高性能计算和可视化

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Comparing numerical simulation results with accelerograph readings is essential in earthquake investigations and discoveries. We provide a case study on the magnitude 7.6 Taiwan Chi-Chi earthquake in 1999. More than 400 seismic sensor stations recorded this event, and the readings from this event increased global strong-motion records fivefold so that the accuracy of the earthquake simulation was enhanced significantly. Direct volume rendering is used to depict the space-time relationships of numerical results and seismic readings. When earthquake simulation data are volume rendered, it reveals the sequence of seismic wave initiation, propagation, attenuation, and energy releasing events of fault ruptures so that the direction of seismic wave propagation can be observed. Both accelerograph readings and earthquake simulation data are used to generate a sequence of ground-motion maps. Stacking these maps up in sequence forms a volume data. Visual analysis of the time-varying component reveals hidden features for better comparison and evaluation. Earthquake scientists are able to obtain insights and evaluate their simulation criteria from volume rendering.
机译：将数值模拟结果与加速度计读数进行比较对于地震调查和发现至关重要。我们以1999年台湾集集县7.6级地震为例。该事件记录了400多个地震传感器，并且该事件的读数使全球强震记录增加了五倍，从而提高了地震模拟的准确性显着。直接体绘制用于描述数值结果和地震读数的时空关系。当地震模拟数据被大量渲染时，它揭示了地震波引发，传播，衰减和断层破裂的能量释放事件的顺序，从而可以观察到地震波传播的方向。加速度计读数和地震模拟数据均用于生成一系列地面运动图。依次堆叠这些图即可形成体数据。时变组件的可视化分析揭示了隐藏的功能，以便更好地进行比较和评估。地震科学家能够从体绘制中获取见解并评估其仿真标准。

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