Pengfei Tang

activity

20162022

most citedConstructing Sub-scale Surrogate Model for Proppant Settling in Inclined Fractures from Simulation Data with Multi-fidelity Neural Network

5 citations · 9 across the 8 of their papers we have counts for

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Showing 2021Show all

2 papers · 1 filter

physics.flu-dyn2021★ 5 cited

Constructing Sub-scale Surrogate Model for Proppant Settling in Inclined Fractures from Simulation Data with Multi-fidelity Neural Network

Pengfei Tang, Junsheng Zeng, Dongxiao Zhang +1

Particle settling in inclined channels is an important phenomenon that occurs during hydraulic fracturing of shale gas production. Generally, in order to accurately simulate the la…

math.PR2021

Return probabilities on nonunimodular transitive graphs

Pengfei Tang

Consider simple random walk $(X_{n})_{n \geq 0}$ on a transitive graph with spectral radius $ρ$ . Let $u_{n} = P [X_{n} = X_{0}]$ be the $n$ -step return probability and $f_{n}$ be the first…