Mechanical Parameter Identification of Hydraulic Engineering with the Improved Deep Q-Network Algorithm

Autor: Chaoning Lin, Xiaoqing Liu, Tongchun Li, Ji Wei, Huijun Qi, Xunnan Liu

Publikováno v: Mathematical Problems in Engineering: theory, methods and applications, 2020
Mathematical Problems in Engineering, Vol 2020 (2020)

During the long-term operating period, the mechanical parameters of hydraulic structures and foundation deteriorated gradually because of the environmental factors. In order to evaluate the overall safety and durability, these parameters should be ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::244f5453c7c1a13dd2ad8b02e4e69962
https://doi.org/10.1155/2020/6404819

A resolved CFDEM algorithm based on the immersed boundary for the simulation of fluid-solid interaction

Autor: Yingtang Di, Lanhao Zhao, Xunnan Liu, Jia Mao

Publikováno v: Powder Technology. 374:290-303

In order to study the movement of rigid bodies with arbitrary shapes in the fluid, a resolved CFDEM coupling algorithm is proposed. The proposed method combines the computational fluid dynamics for the fluid and the discrete element method for the ri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b802a55a85a11a69339d82f76b60314d
https://doi.org/10.1016/j.powtec.2020.07.028

Three-dimensional distance potential discrete element method for the numerical simulation of landslides

Autor: Xunnan Liu, Jia Mao, Lanhao Zhao, Tongchun Li, Shao Linyu

Publikováno v: Landslides. 17:361-377

The study focuses on the kinetic process of landslides, including associated travel trajectory and endangered area. A three-dimensional distance potential discrete element method for the movement process of landslides is developed in this work. Benef

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1767ef8b0e2ff5d89435e22cda81eb2
https://doi.org/10.1007/s10346-019-01282-9

A Novel Contact Algorithm Based on a Distance Potential Function for the 3D Discrete-Element Method

Autor: Eldad Avital, Dong Xu, Jia Mao, Antonio Munjiza, Xunnan Liu, Lanhao Zhao

Publikováno v: Rock Mechanics and Rock Engineering. 51:3737-3769

The combined finite–discrete-element method (FDEM) has made a groundbreaking progress in the computation of contact interaction. However, FDEM has a strict requirement on the element type, and the simulation result may be inconsistent due to a defi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1d6ca81e14eb6217af0e81243e4f133
https://doi.org/10.1007/s00603-018-1556-4

A novel discrete element method based on the distance potential for arbitrary 2D convex elements

Autor: Xunnan Liu, Jia Mao, Dong Xu, Antonio Munjiza, Eldad Avital, Lanhao Zhao

Publikováno v: International Journal for Numerical Methods in Engineering. 115:238-267

A new 2‐dimensional discrete element method, which is able to simulate a system involving a large number of arbitrary convex elements, is proposed. In this approach, a novel distance potential function is defined using a normalized format of the pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63681d90726d2438bba400b403e3e6b3
https://doi.org/10.1002/nme.5803