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作者:Xinqiang Liu , Weiliang He , Fengmei Wei
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.32World Scientific Publishing
摘要:An improved D’Angelo optimization framework based on the surrogate model and optimization algorithm is proposed to design and optimize a new high altitude propeller which is applied to the propulsion system of the stratospheric aircraft. The framework adopts a multilevel opt...
作者:Qihui Zhang , Yueqiang Shang
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.24World Scientific Publishing
摘要:An Oseen-type post-processed mixed finite element method based on a subgrid model is presented for the simulation of time-dependent incompressible Navier–Stokes equations. This method first solves a subgrid stabilized nonlinear Navier–Stokes system on a mesh of size H to obt...
作者:Si Yuan , Yiyi Dong , Qinyan Xing ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.18World Scientific Publishing
摘要:The reliable and efficient self-adaptive analysis is a modern goal of various numerical computations. Most adaptivity methods, however, adopt energy norm to measure errors, which may not be the most natural and convenient means, e.g., for problems with locally singular gradient o...
作者:Gaurang R. Rohit , Jagdish M. Prajapati , Vikram B. Patel
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.27World Scientific Publishing
摘要:In many engineering problems, the meshfree methods (MMs) have been dynamically projected and increasingly advanced in order to overwhelm some hitches in the predictable numerical methods. Over the past three decades in many different application area, MMs have found their way ran...
作者:Qi Song , Ren Yang , Pu Chen
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.20World Scientific Publishing
摘要:A new direct reanalysis algorithm for local high-rank structural modifications, based on triangular factorization, has recently been developed. In this work, an improvement is proposed for further reduction of the workload so that the algorithm becomes more efficient and also sui...
作者:Hanshu Chen , Zeng Meng , Huanlin Zhou
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.23World Scientific Publishing
摘要:In the practical engineering applications of stiffened shell, the initial imperfection is inevitable and it could cause significant reduction in the load-carrying capacity of stiffened shell. The light-weight optimization of stiffened shell is generally performed under the constr...
作者:Liming Zhou , Shuhui Ren , Yan Cai ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.24World Scientific Publishing
摘要:Magneto-electro-elastic (MEE) materials are widely used in intelligent structure systems owing to their electronic, mechanical and magnetic coupling effects. To overcome the over-stiffness of the finite element method (FEM) stiffness matrix and simulate the free vibration of MEE ...
作者:Zengguang Xu , Yang Liu , Yaping Wang ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.27World Scientific Publishing
摘要:The coupling effect of seepage and temperature fields in fractured rock mass is a hot topic in the area of water conservancy, nuclear waste disposal and geothermal resources development. A coupling mathematical model of the seepage, flow temperature and rock mass temperature fiel...
作者:D. Ishihara , A. Goto , M. Onishi ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.23World Scientific Publishing
摘要:In this study, element-quality-based stiffening (EQBS) was developed as a method of maintaining mesh quality in the pseudoelastic mesh-moving technique. The proposed EQBS technique increases the stiffness of the element based on two element quality parameters, the element area an...
作者:Yangjuan Bao , Yu Huang , G. R. Liu ...
来源:[J].International Journal of Computational Methods(IF 0.481), 2020, Vol.17 (04), pp.14World Scientific Publishing
摘要:High-volume fast-moving landslides undergo a solid–liquid-like phase transition. In this study we apply the smoothed particle hydrodynamics (SPH) method to simulate the solid–liquid-like phase transition in earthquake-induced landslides based on a unified constitutive model....

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