Then the article discusses forward modeling based on acoustic wave higher difference, then analyzes numerical dispersion including time and spatial dispersion and presents its stability conditions.
接着，简要介绍了基于声波高阶差分的多次波正演模拟方法，分析了这种方法的数值频散问题，包括时间和空间频散，同时给出了它的稳定性条件。
The new stability conditions are tested to be reasonable through a numerical example of two-phase media.
并通过两相介质的算例，检验了该稳定性条件。
Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied.
通过数值计算，研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
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