Element free Galerkin method (EFG) is hard to handle nature boundary condition and the discontinuous medium boundary condition because of its special approximate function.
无网格伽辽金法(EFG)由于其近似函数的特殊性很难处理本质边界条件以及不连续介质边界条件。
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This paper treated discontinuous medium boundary condition by using visual principle and through a more convenient method of Lagrange multipliers method.
Analysis and research on supply risks under the condition of discontinuous demand would be helpful to enterprises to take this issue serious and prevent the risks.