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Based on piecewise linear hypothesis that both the velocity and flow map gradient are constant in grid cell and adjacent time intervals, we design a time-slicing flow map preprocessing and composition based Finite-Time Lyapunov Exponent (FTLE) visualization algorithm for unsteady flow field. This algorithm is capable of reducing the computation overhead from duplicated flow map calculation and multiple...
Finite-time Lyapunov exponent (FTLE) is widely used to extract coherent structure of unsteady flow. However, the calculation of FTLE can be highly time-consuming, which greatly limits the application's performance efficiency. In this paper, we accelerate a double precision PDE-based FTLE application for two- and three-dimensional analytical flow field on Intel multi-core and many-core architectures...
Complementary synthesis can automatically synthesize the decoder circuit of an encoder. However, its user needs to manually specify an assertion on some configuration pins to prevent the encoder from reaching the nonworking states. To avoid this tedious task, this paper propose an automatic approach to infer this assertion, by iteratively discovering and removing cases without decoders. To discover...
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