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Study on Collision Between Two Ships Using Selected Parameters in Collision Simulation

Journal of Marine Science and Application 2016年第1期15卷 63-72页

作者： Dong-Myung Bae Aditya Rio Prabowo Bo Cao Ahmad Fauzan Zakki Gunawan Dwi Haryadi Department of Naval Architecture and Marine Systems Engineering Pukyong National University Nam-gu Daeyon Busan 48513 Republic of Korea Interdisciplinary Program of Marine Convergence Design Pulkyong National University Nam-gu Daeyon Busan 48513 Republic of Korea Department of Mechanical Engineering Diponegoro University Semarang Central Java 50275 Republic of Indonesia Department of Naval Architecture Diponegoro University Semarang Central Java 50275 Republic of Indonesia

In the present analysis, several parameters used in a numerical simulation are investigated in an integrated study to obtain their influence on the process and results of this simulation. The parameters studied are element formulation, friction coefficient, and material model. Numerical simulations using the non-linear finite element method are conducted to produce virtual experimental data for several collision scenarios. Pattern and size damages caused by collision in a real accident case are assumed as real experimental data, and these are used to validate the method. The element model study performed indicates that the Belytschko-Tsay element formulation should be recommended for use in virtual experiments. It is recommended that the real value of the friction coefficient for materials involved is applied in simulations. For the study of the material model, the application of materials with high yield strength is recommended for use in the side hull structure.

关键词： ship collision collision accident non-linear finite element collision parameter hull structure

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Preface to Special Issue of Membranes and Membrane Processes based on Confined Mass Transfer

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Chinese Journal of Chemical Engineering 2017年第11期25卷 1551-1551页

作者： Wanqin Jin Chao Yang Nanjing Tech University China Institute of Process Engineering CASChina

Membrane separation is playing an increasingly critical role indiverse fields as a cost-efficient and energy-economic technology. Ultra-filtration and microfiltration based on the size-sieving mechanismof macroporous media have been clearly elucidated using classicaltheories of mass transfer. However, membrane processes includingpervaporation, gas separation, ion exchange, nanofiltration, reverseosmosis, etc., mainly involve mass transfer in narrow spaces whosesizes are comparable to the free distances of molecules mobility.

关键词： Preface Special Issue Membranes

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