The Numerical Simulation On Backward Tracing Spilling Oil

Given the oil polluting situation resulting from vessel leakage, in this paper, we present a new concept, namely tracing oil against time, and clarify the importance of charging the troublemaker's responsibility by tracing spi I I ing oil.Considering the special traits of calculating backward, we construct some schemes based on the convection-diffusion equation. By calculating backward with these schemes and comparing the results, we summarize some characteristics of calculating against time, and present the recessive one-order scheme as our mathematic tool. Consequently, we solve a practical convection-diffusion problem with the tool and get a good result.Ultimately, we summarize the job that has been done in this paper, and present a direction in which we maybe improve our work in the future.