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LordNet: An Efficient Neural Network for Learning to Solve Parametric Partial Differential Equations without Simulated Data
May 7, 2024, 4:44 a.m. | Xinquan Huang, Wenlei Shi, Xiaotian Gao, Xinran Wei, Jia Zhang, Jiang Bian, Mao Yang, Tie-Yan Liu
cs.LG updates on arXiv.org arxiv.org
Abstract: Neural operators, as a powerful approximation to the non-linear operators between infinite-dimensional function spaces, have proved to be promising in accelerating the solution of partial differential equations (PDE). However, it requires a large amount of simulated data, which can be costly to collect. This can be avoided by learning physics from the physics-constrained loss, which we refer to it as mean squared residual (MSR) loss constructed by the discretized PDE. We investigate the physical information …
abstract approximation arxiv cs.lg data differential function however linear network neural network non-linear operators parametric simulated data solution solve spaces type
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