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One of the main drawbacks of the existing oscillation damping controllers that are designed based on offline dynamic models is adaptivity to the power system operating condition. With the increasing availability of wide-area measurements and the rapid development of system identification techniques, it is possible to identify a measurement-based transfer function model online that can be used to tune...
Many important properties of materials such as strength, ductility, hardness and conductivity are determined by the microstructures of the material. During the formation of these microstructures, grain coarsening plays an important role. The Cahn-Hilliard equation has been applied extensively to simulate the coarsening kinetics of a two-phase microstructure. It is well accepted that the limited capabilities...
To study the transverse flow pressure and flow pressure torque generated by non-uniform flow that the ship encounters when it passes the entrance of breakwater in the process of driving away from the port, a ship model sailing at the end of breakwater and a digital basin were established by utilizing computational fluid dynamics. In this way, numerical calculation was conducted for the tide field...
At present, many programs of water and sediment mathematical models with better practicability and commonality are compiled with FORTRAN, and it is difficult to rewrite them. With the design concept of out-process server, object-oriented programming method and COM component technology, a integrated system is set up which has the functions of parameterized modeling, real-time dynamic display, visualization...
This paper investigates the electromigration induced hillock generation in a wafer level interconnect structure through numerical approach. The electronic migration formulation that considers the effects of the electron wind force, stress gradients, temperature gradients, as well as the atomic density gradient has been developed. The parameter study for the Al line geometry with different width and...
Computational intelligence, including mathematical modeling and statistical analysis, is always used in economy activities for quantitative analysis. For agriculture is so important that almost all states and regions pay special attention to its development. This paper collects China's 25 provinces agricultural fiscal support data and agriculture production cost data, analyzes the data with panel-data...
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