Research On Optimization Of Shipping Network Of LNG Supply Chain Based On Resilience Theory

Liquefied natural gas(LNG),as an important energy source,supports the development of many industries.With the continuous development of China,the demand for LNG is gradually increasing,while China’s natural gas resources are relatively scarce and need to be imported from abroad.However,the operation environment of shipping network of LNG supply chain is relatively complex,and the uncertain factors in the operation environment are gradually increasing,resulting in the risk of interruption of China’s LNG import,which affects the safety of China’s LNG supply.At present,there are some problems in shipping network of LNG supply chain in China,such as high concentration of LNG supply and poor flexibility of LNG shipping routes.These problems lead to the lack of resilience of the shipping network of LNG supply chain,and it is difficult to restructure and recover in case of interruption.Therefore,it is of great significance to study how to adjust and optimize the shipping network structure of LNG supply chain to improve its network resilience and quickly restructure and recover in the face of risk interruption.This thesis studies the optimization and resilience improvement of shipping network of LNG supply chain under the condition of network interruption.Firstly,the structure of shipping network of LNG supply chain and the risks of each part of shipping network of LNG supply chain are analyzed,and the problems existing in the face of risk disturbance are found;Then,based on the theory of supply chain network resilience and considering the uncertain factors such as interruption of shipping network of LNG supply chain,this thesis establishes the optimization model of shipping network of LNG supply chain in China to improve the resilience of supply chain network,and analyzes and studies how to ensure the stability of LNG supply and the economy of supply chain network when there is interruption risk in LNG supply chain;Finally,taking China’s LNG terminal as an example,the effectiveness of the model is verified,which provides a reference for China to build a national LNG supply security system and enhance the voice of LNG international market.