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Abstract-This paper suggests a new methodology based on the Lattice Boltzmann Method for the modelling of complex biomechanical systems. The LBM can be applied for different operations due to the matching of the pixels of medical images with the nodes of the lattice used by the Lattice Boltzmann method. This allows the optimisation and reduction of the computation time when solving multiphysics complex phenomena. To demonstrate the efficiency of the chosen approach, the modelling of the thrombosis phenomenon within the cavity of a giant cerebral aneurysm has been implemented. The underlying strategy is to implement the Lattice Boltzmann Method for different operations such as extracting the geometry of a considered aneurysm associated to its parent vessel, solving fluid dynamics governing the blood flow and modelling the thrombus growth.

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Effect of the continuous development of economy and society, and changes in water regime and hydraulic structure behavior, the post-economic evaluation on water conservancy project is necessary. By which experiences and lessons can be learned from the river course regulation project under operation, project management and decision-making at all levels can be improved. At the same time, engineering under operation can play better efficiency, and the construction work in progress and projects to be built can be guided through the appraisement. It is proved by example application.