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  • Open Access


    Optimal Scheduling of Electrical Energy Systems Using a Fluid Dynamic Analogy

    Juanjuan Wang*, Yaya Wang, Junhui Liu, Jianbo Zheng, Hongfang Zhou

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.3, pp. 577-589, 2022, DOI:10.32604/fdmp.2022.017594

    Abstract The electricity-gas transformation problem and related intrinsic mechanisms are considered. First, existing schemes for the optimization of electricity-gas integrated energy systems are analyzed through consideration of the relevant literature, and an Electricity Hub (EH) for electricity-gas coupling is proposed. Then, the distribution mechanism in the circuit of the considered electricity-gas integrated system is analyzed. Afterward, a mathematical model for the natural gas pipeline is elaborated according to the power relationship, a node power flow calculation method, and security requirements. Next, the coupling relationship between them is implemented, and dedicated simulations are carried out. Through experimental data, it is found that… More >

  • Open Access


    A Meshless Spatial Coupling Scheme for Large-scale Fluid-structure-interaction Problems

    R. Ahrem1, A. Beckert2, H. Wendland3

    CMES-Computer Modeling in Engineering & Sciences, Vol.12, No.2, pp. 121-136, 2006, DOI:10.3970/cmes.2006.012.121

    Abstract We present a new efficient scheme for loose coupling in fluid-structure-interaction problems as they typically appear in the context of aircraft design. This coupling scheme is based upon a multivariate scattered data interpolation approach, based on radial basis functions and partition of unity methods. It allows us to couple arbitrary meshes on fluid and structure side. It conserves virtual work and forces. It is designed for large scale problems and allows the coupling of entire aircraft meshes. More >

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