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- W4386803175 abstract "We present a framework that captures sparse Lagrangian flow information from a volume of real liquid and reconstructs its detailed kinematic information in real time. Our framework can perform flow reconstruction even when the liquid is disturbed by an object of unknown movement and shape. Through a large dataset of liquid moving under external disturbance, an agent is trained using reinforcement learning to reproduce the target flow kinematics with only the captured sparse information as inputs while remaining oblivious to the movement and the shape of the disturbance sources. To ensure that the underlying simulation model faithfully obeys physical reality, we also optimize the viscosity parameters in Smoothed Particle Hydrodynamics (SPH) using classical fluid dynamics knowledge and gradient-based optimization. By quantitatively comparing the reconstruction results against real-world and simulated ground truth, we verified that our reconstruction method is resilient to different agitation patterns." @default.
- W4386803175 created "2023-09-17" @default.
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- W4386803175 date "2023-09-16" @default.
- W4386803175 modified "2023-09-27" @default.
- W4386803175 title "Real-Time Reconstruction of Fluid Flow under Unknown Disturbance" @default.
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- W4386803175 doi "https://doi.org/10.1145/3624011" @default.
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