| 摘要 |
PROBLEM TO BE SOLVED: To realize reduction in fluctuations at the interface. SOLUTION: Displacement vectors at respective nodes on the interface are calculated, based on oxidant concentration at prescribed time intervals, and a new interface is generated based on the shift vectors. At this time, it is determined whether or not the node to be calculated moved at previous time (step 102). When the node to be calculated has moved, it is determined whether or not the nodes on both sides have moved the previous time (step 104). When one of the nodes adjacent to the node to be calculated did not moved, the unit vector direction of the displacement vector at the previous time of the node which did not moved, and the unit vector direction of the displacement vector at the present time of the node moved adjacent to the node to be calculated are combined. Then, this combined vector direction is used as the displacement vector direction of the node to be calculated.
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