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首页> 外文会议>AIC-ICMR on Sciences and Engineering >Response spectra analysis of the modal summation technique verified by observed seismometer and accelerometer waveform data of the M6.5 Pidie Jaya Earthquake
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Response spectra analysis of the modal summation technique verified by observed seismometer and accelerometer waveform data of the M6.5 Pidie Jaya Earthquake

机译：响应光谱分析M6.5 Pidie Jaya地震验证的模态求解技术验证的验证。

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摘要

Wave vibration confined in the boundary will produce stationary wave solution in discrete states called modes. There are many physics applications related to modal solutions such as air column resonance, string vibration, and emission spectrum of the atomic Hydrogen. Naturally, energy is distributed in several modes so that the complete calculation is obtained from the sum of the whole modes called modal summation. The modal summation technique was applied to simulate the surface wave propagation above crustal structure of the earth. The method is computational because it uses 1D structural model which is not necessary to calculate the overall wave propagation. The simulation results of the magnitude 6.5 Pidie Jaya earthquake show the response spectral of the Summation Technique has a good correlation to the observed seismometer and accelerometer waveform data, especially at the KCSI (Kotacane) station. On the other hand, at the LASI (Langsa) station shows the modal simulation result of response is relatively lower than observation. The lower value of the reaction spectral estimation is obtained because the station is located in the thick sedimentary basin causing the amplification effect. This is the limitation of modal summation technique, and therefore it should be combined with different finite simulation on the 2D local structural model of the basin.
机译：在边界中限制的波浪振动将在名为MODES的离散状态下产生固定波解。有许多物理应用与模态解决方案有关，例如空气柱共振，弦振动和原子氢的发射光谱。当然，能量以几种模式分布，以便从称为模态求和的整个模式的总和获得完整的计算。应用模态求和技术来模拟地球地壳结构的表面波传播。该方法是计算，因为它使用1D结构模型来计算整体波传播。幅度6.5 PIDIE Jaya地震的仿真结果表明，求和技术的响应光谱与观察到的地震计和加速度计波形数据具有良好的相关性，尤其是KCSI（Kotacane）站。另一方面，在LASI（LANGSA）站，显示响应的模拟仿真结果比观察相对低。获得反应光谱估计的较低值，因为该站位于厚沉积盆地中，导致扩增效果。这是模态求和技术的限制，因此它应该与盆地的2D局部结构模型的不同有限仿真结合。

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