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New computer code and artificial intelligence project to help address environmental challenges
Published:
code
Taichi-LBM3D: Open Source Lattice Boltzmann Code
Published:
This is two-phase Lattice Boltzmann Code developped Taichi language. Repository link:
Multiphysics Finite Volume CFD code
Published:
This is a research code to for the multiphase fluid-structure interaction, mainly for the ‘one-fluid’ formulation.
Taichi-PyEFEM
Published:
This is Taichi version of stabilised finite element method, some publication soon.
Wyvern: transident fluid-radiation coupling solver
Published:
This is the Boltzmann Transport and Navier-Stokes solver for transient fluid-radiation coupling problem.
publications
Comparative study on water impact problem
Published in The 26th International Ocean and Polar Engineering Conference, 2016
Recommended citation: Yang, L., Yang, H., Yan, S., Ma, Q. and Bihnam, M., 2016, June. Comparative study on water impact problem. In The 26th International Ocean and Polar Engineering Conference. OnePetro. https://onepetro.org/ISOPEIOPEC/proceedings-abstract/ISOPE16/All-ISOPE16/ISOPE-I-16-500/17005
A pseudo-compressible variational multiscale solver for turbulent incompressible flows
Published in Computational Mechanics, 2016
Recommended citation: Yang, L., Badia, S. & Codina, R. A pseudo-compressible variational multiscale solver for turbulent incompressible flows. Comput Mech 58, 1051–1069 (2016). https://doi.org/10.1007/s00466-016-1332-9
Numerical investigation of water-entry problems using IBM method
Published in International Journal of Offshore and Polar Engineering, 2017
Recommended citation: Yang, L., Yang, H., Yan, S. and Ma, Q., 2017. Numerical investigation of water-entry problems using IBM method. International Journal of Offshore and Polar Engineering, 27(02), pp.152-159. https://doi.org/10.17736/ijope.2017.jc687
Unified one-fluid formulation for incompressible flexible solids and multiphase flows: Application to hydrodynamics using the immersed structural potential method (ISPM)
Published in International Journal for Numerical Methods in Fluids, 2017
Recommended citation: Yang, L., Gil, A.J., Carreño, A.A. and Bonet, J., 2018. Unified one‐fluid formulation for incompressible flexible solids and multiphase flows: application to hydrodynamics using the immersed structural potential method (ISPM). International Journal for Numerical Methods in Fluids, 86(1), pp.78-106. https://doi.org/10.1002/fld.4408
One-fluid formulation for fluid–structure interaction with free surface
Published in International Journal for Numerical Methods in Fluids, 2018
Recommended citation: Yang, L., 2018. One-fluid formulation for fluid–structure interaction with free surface. Computer Methods in Applied Mechanics and Engineering, 332, pp.102-135. https://doi.org/10.1016/j.cma.2017.12.016
Numerical Simulation of Attenuator Wave Energy Converter Using One-Fluid Formulation
Published in The 28th International Ocean and Polar Engineering Conference, 2018
Recommended citation: Yang, L., Lyu, Z., Yang, P., Pavlidis, D., Fang, F., Xiang, J., Latham, J.P. and Pain, C., 2018, June. Numerical simulation of attenuator wave energy converter using one-fluid formulation. In The 28th International Ocean and Polar Engineering Conference. OnePetro. https://onepetro.org/ISOPEIOPEC/proceedings-abstract/ISOPE18/All-ISOPE18/ISOPE-I-18-074/24379
Image-based simulations of absolute permeability with massively parallel pseudo-compressible stabilised finite element solver
Published in Computational Geosciences, 2019
Recommended citation: Yang, L., Yang, J., Boek, E., Sakai, M. and Pain, C., 2019. Image-based simulations of absolute permeability with massively parallel pseudo-compressible stabilised finite element solver. Computational Geosciences, 23(5), pp.881-893. https://doi.org/10.1007/s10596-019-09837-4
Effects of eigen and actual frequencies of soft elastic surfaces on droplet rebound from stationary flexible feather vanes
Published in Soft Matter, 2020
Recommended citation: Zhang, C., Wu, Z., Shen, C., Zheng, Y., Yang, L., Liu, Y. and Ren, L., 2020. Effects of eigen and actual frequencies of soft elastic surfaces on droplet rebound from stationary flexible feather vanes. Soft Matter, 16(21), pp.5020-5031. https://doi.org/10.1039/D0SM00315H
A three-phase interpenetrating continua approach for wave and porous structure interaction
Published in Engineering Computations, 2020
Recommended citation: Yang, L., Buchan, A., Pavlidis, D., Jones, A., Smith, P., Sakai, M. and Pain, C., 2020. A three-phase interpenetrating continua approach for wave and porous structure interaction. Engineering Computations. https://doi.org/10.1108/EC-08-2019-0386
Nonwet kingfisher flying in the rain: the tumble of droplets on moving oriented anisotropic superhydrophobic substrates
Published in ACS Applied Materials & Interfaces, 2020
Recommended citation: Zheng, Y., Zhang, C., Wang, J., Yang, L., Shen, C., Han, Z. and Liu, Y., 2020. Nonwet kingfisher flying in the rain: the tumble of droplets on moving oriented anisotropic superhydrophobic substrates. ACS Applied Materials & Interfaces, 12(31), pp.35707-35715. https://doi.org/10.1021/acsami.0c08889
Predicting airborne coronavirus inactivation by far-UVC in populated rooms using a high-fidelity coupled radiation-CFD model
Published in Scientific reports, 2020
Recommended citation: Buchan, A.G., Yang, L. and Atkinson, K.D., 2020. Predicting airborne coronavirus inactivation by far-UVC in populated rooms using a high-fidelity coupled radiation-CFD model. Scientific reports, 10(1), pp.1-7. https://doi.org/10.1038/s41598-020-76597-y
Water entry of slender segmented projectile connected by spring
Published in Ocean Engineering, 2020
Recommended citation: Wu, Z., Zhang, C., Wang, J., Shen, C., Yang, L. and Ren, L., 2020. Water entry of slender segmented projectile connected by spring. Ocean Engineering, 217, p.108016. https://doi.org/10.1016/j.oceaneng.2020.108016
A novel approach to optimising well trajectory in heterogeneous reservoirs based on the fast-marching method
Published in Journal of Natural Gas Science and Engineering, 2021
Recommended citation: Lyu, Z., Lei, Q., Yang, L., Heaney, C., Song, X., Salinas, P., Jackson, M., Li, G. and Pain, C., 2021. A novel approach to optimising well trajectory in heterogeneous reservoirs based on the fast-marching method. Journal of Natural Gas Science and Engineering, 88, p.103853. https://doi.org/10.1016/j.jngse.2021.103853
Improved estimates of 222 nm far-UVC susceptibility for aerosolized human coronavirus via a validated high-fidelity coupled radiation-CFD code
Published in Scientific Reports, 2021
Recommended citation: Buchan, A.G., Yang, L., Welch, D., Brenner, D.J. and Atkinson, K.D., 2021. Improved estimates of 222 nm far-UVC susceptibility for aerosolized human coronavirus via a validated high-fidelity coupled radiation-CFD code. Scientific Reports, 11(1), pp.1-9. https://doi.org/10.1038/s41598-021-99204-0
Numerical modelling of new flap-gate type breakwater in regular and solitary waves using one-fluid formulation
Published in Ocean Engineering, 2021
Recommended citation: Chen, S., Xing, J., Yang, L., Zhang, H., Luan, Y., Chen, H. and Liu, H., 2021. Numerical modelling of new flap-gate type breakwater in regular and solitary waves using one-fluid formulation. Ocean Engineering, 240, p.109967. https://doi.org/10.1016/j.oceaneng.2021.109967
An explicit stabilised finite element method for Navier-Stokes-Brinkman equations
Published in Journal of Computational Physics, 2022
Recommended citation: Nillama, L. B. A., Yang, J., and Yang, L. (2022). An explicit stabilised finite element method for Navier-Stokes-Brinkman equations. Journal of Computational Physics, 457, 111033. https://doi.org/10.1016/j.jcp.2022.111033
Inactivation rates for airborne human coronavirus by low doses of 222 nm far-UVC radiation
Published in Viruses, 2022
Recommended citation: Welch, D., Buonanno, M., Buchan, A. G., Yang, L., Atkinson, K. D., Shuryak, I., & Brenner, D. J. (2022). Inactivation rates for airborne human coronavirus by low doses of 222 nm far-UVC radiation. Viruses, 14(4), 684. https://doi.org/10.3390/v14040684
Taichi-LBM3D: A Single-Phase and Multiphase Lattice Boltzmann Solver on Cross-Platform Multicore CPU/GPUs
Published in Fluids, 2022
Recommended citation: Yang, J., Xu, Y., & Yang, L. (2022). Taichi-LBM3D: A Single-Phase and Multiphase Lattice Boltzmann Solver on Cross-Platform Multicore CPU/GPUs. Fluids, 7(8), 270. https://doi.org/10.3390/fluids7080270
Dynamics and hydrodynamic efficiency of diving beetle while swimming
Published in Heliyon, 2023
Recommended citation: Qi, D., Zhang, C., Wu, Z., Shen, C., Yue, Y., Ren, L., & Yang, L. (2023). Dynamics and hydrodynamic efficiency of diving beetle while swimming. Heliyon, 9(3). https://doi.org/10.1016/j.heliyon.2023.e14200
A non-linear non-intrusive reduced order model of fluid flow by Auto-Encoder and self-attention deep learning methods
Published in International Journal for Numerical Methods in Engineering, 2023
Recommended citation: Fu, R., Xiao, D., Navon, I.M., Yang, L., Wang, C. & Cheng. S. (2023). A non-linear non-intrusive reduced order model of fluid flow by Auto-Encoder and self-attention deep learning methods. International Journal for Numerical Methods in Engineering. https://doi.org/10.1002/nme.7240
One-fluid modelling of floating oil boom system with spring current and waves
Published in Ocean Engineering, 2023
Recommended citation: Xing, J., Chen, S., Stagonas, D. & Yang, L.. (2023). One-fluid modelling of floating oil boom system with spring current and waves. Ocean Engineering. https://doi.org/10.1016/j.oceaneng.2023.114356
Closed-form dynamic stiffness formulation for modal and dynamic response analysis of pile group foundations
Published in Computers and Geotechnics, 2023
Recommended citation: Liu, X., Zhao, Y., Lu, T., Xu, H., & Yang, L. (2023). Closed-form dynamic stiffness formulation for modal and dynamic response analysis of pile group foundations. Computers and Geotechnics, 159, 105481. https://doi.org/10.1016/j.compgeo.2023.105481
Experimental study of dynamic response of passive flapping hydrofoil in regular wave
Published in Physics of Fluids, 2023
Recommended citation: Wang, J., Santhosh, S., Colomés, O., Capaldo, M., & Yang, L. (2023). Experimental study of dynamic response of passive flapping hydrofoil in regular wave. Physics of Fluids, 35(7). https://doi.org/10.1063/5.0157890
Wave devouring propulsion: An overview of flapping foil propulsion technology
Published in Renewable and Sustainable Energy Reviews, 2023
Recommended citation: Xing, J., & Yang, L. (2023). Wave devouring propulsion: An overview of flapping foil propulsion technology. Renewable and Sustainable Energy Reviews, 184, 113589. https://doi.org/10.1016/j.rser.2023.113589
research
UVC disinfection of air and water
Published:
CFD Solver, adjoint solver and AI
Published:
talks
Hydrodynamic performance of submerged hydrofoils subject to heave and pitch motions
Published:
Flow passing a foil object will produce lift and drag forces, as well as vortex street BvK. With right parameters, a periodic motion of an object in fluids will generate thrust rather than drag. To reduce the study’s complexity, only kinematics parameters were modified and not the geometric ones. The hydrofoil interactions with waves have been investigated using an inhouse CFD code. First, the lift and drag coefficients were validated against the literature. Thereafter, different oscillation parameters, according to the sea state, were studied to optimize the performance of the thrust. From these results it appeared that it is possible to generate thrust at sea state. The numerical model successfully represented the flapping foil interactions with water, the BvK reversed vortices and the leasing-edges vortices. It also allowed observing the global trend of the impact of the flapping motion on thrust generation. Video recording
‘One-fluid’ formulation of fluid-structure interaction (FSI) with mooring system
Published:
Jingru Xing, presentation award, Journal of Marine Science and Engineering - MDPI’s presentation cash prize. More information here
Working with nature: retrofitting solutions for reducing mooring line loads.
Published:
This paper explores the usage of hydrofoil in offshore floating platforms to reduce the wave induced loads on the mooring lines. Inspired by the nature, thrust can be generated in the wake of flapping foil by reversed von Karman streets, which is mostly used in ocean propulsion systems. It presents preliminary experiments with a hydrofoil retrofitted in a semi-sub model structure exposed to regular and irregular waves. Although still at a very early stage, the preliminary results presented here show that retrofitting a hydrofoil in a floating platform can lead in positive gains at, primarily, the surge forces acting (in these cases) at the model structure’s centre of mass. Video Recording here
A CFD-Radiation model for the simulation of UV photoreactors for drinking water treatment
Published:
teaching
Fluid Mechanics and Loading
Graduate course, Cranfield University, Division of Energy and Sustainability, 2019
Design of Renewable Energy Structures
Graduate course, Cranfield University, Division of Energy and Sustainability, 2020