A model of dynamical process and stochastic jump has been put forward to study the pattern evolution in damage-fracture According to the final states of evolution processes,the evolution modes can he classified as glo...A model of dynamical process and stochastic jump has been put forward to study the pattern evolution in damage-fracture According to the final states of evolution processes,the evolution modes can he classified as globally stable modes (GS modes) and evolution induced catastrophic modes (EIC modes); the latter are responsible for fracture A statistical description is introduced to clarify the pattern eolution in this paper It is indicated that the appearance of fracture in disordered materials should be depicted In probability distribution function.展开更多
To simulate the passenger behavior in subway system, a Dynamic Parameters Cellular Automaton(DPCA) model is put forward in this paper. Pedestrian traffic flows during waiting, getting on or off, and traveling can be s...To simulate the passenger behavior in subway system, a Dynamic Parameters Cellular Automaton(DPCA) model is put forward in this paper. Pedestrian traffic flows during waiting, getting on or off, and traveling can be simulated. The typical scenario in Beijing Subway Line 13 is modeled to analyze the passenger behavior in subway system. By comparing simulation results with statistical ones, the correctness and practicality of the DPCA model are verified. At last, the additional results made by DPCA model can make contribution to passenger comfort analysis and pedestrian facility planning and guidance.展开更多
基金Work supported by the National Basic Research Project Nonlinear Science
文摘A model of dynamical process and stochastic jump has been put forward to study the pattern evolution in damage-fracture According to the final states of evolution processes,the evolution modes can he classified as globally stable modes (GS modes) and evolution induced catastrophic modes (EIC modes); the latter are responsible for fracture A statistical description is introduced to clarify the pattern eolution in this paper It is indicated that the appearance of fracture in disordered materials should be depicted In probability distribution function.
基金partially supported by the National Key Basic Research and Development (973) Program of China (No. 2012CB725405)the National HighTech Research and Development (863) Program of China (No. 2012AA112305)the National Natural Science Foundation of China (No. 61273238)
文摘To simulate the passenger behavior in subway system, a Dynamic Parameters Cellular Automaton(DPCA) model is put forward in this paper. Pedestrian traffic flows during waiting, getting on or off, and traveling can be simulated. The typical scenario in Beijing Subway Line 13 is modeled to analyze the passenger behavior in subway system. By comparing simulation results with statistical ones, the correctness and practicality of the DPCA model are verified. At last, the additional results made by DPCA model can make contribution to passenger comfort analysis and pedestrian facility planning and guidance.
