Abstract—Tectonic flow of crustal rock masses (a creep flow) in Central Asia is numerically modeled using the Stokes equations within a region limited by 36° and 46° N, 56° and 76° E. In the study, tectonic and seismotectonic flow of a rock mass is understood as a strain rate and its variation induced by an earthquake. The focal mechanism of an earthquake is modeled in two ways: by a lumped internal moment and by a double couple with no net torque. Three-dimensional continuum equations are averaged over the lithosphere’s thickness with the use of the properties of the geodynamic statement of the problem. The right-hand sides of the averaged creep flow equations contain tectonic stresses and present-day topography as the initial data. For their determination, the inverse problem of elasticity is solved. The possible boundary conditions providing the formation of the present-day surface topography of Central Asia by the interaction between the Indian, Arabian and Eurasian plates are sought. The obtained numerical results fairly well agree with the real GPS data.

摘要—使用Stokes方程对中亚地区地壳岩体的构造流动（蠕变流动）进行了数值模拟，其范围限制在36°N和46°N，56°和76 E的区域内。岩体被理解为是由地震引起的应变率及其变化。地震的震源机制有两种建模方法：内部集总矩和无净转矩的双偶。利用问题的地球动力学陈述的性质，对岩石圈厚度上的三维连续方程进行平均。平均蠕变流方程的右侧包含构造应力和当前地形作为初始数据。对于它们的确定，解决了弹性的反问题。寻找可能的边界条件，以通过印度，阿拉伯和欧亚板块之间的相互作用提供中亚当今地表地形的形成。获得的数值结果与真实的GPS数据非常吻合。