Simulation and discretization method of offshore oil containment boom motion based on signed distance function
A technology of distance function and motion simulation, which is applied in the field of computer simulation, can solve problems such as inconvenient parallel processing and lack of physical realism, and achieve high physical realism, easy parallel acceleration, and easy parallel acceleration
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[0049] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0050] 1. Oil boom modeling algorithm based on mass spring model
[0051] like figure 2As shown, the mass spring model of the present invention includes a spring 1 and a damper 2, and the damper 2 is connected in parallel with the spring 1. The present invention updates the force according to the position of each node of the oil boom and the force of each node. And update the position according to the momentum theorem. As shown in formula (1), the force on the node is calculated according to the length change of each node. At the same time, in order to increase the stability of the mass spring model, a damper 2 is added, and the calculation of the damping force is shown in formula (2).
[0052] The invention can control the damping force by adjusting the damping coefficient. The resultant force on each node of the oil boom can be obtained by superimposi...
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