The paper discusses how the inventory control of army equipment material runs sytematically under the two-level maintenance system,and establishes the inventory control model based on system dynamics.On the basis of m...The paper discusses how the inventory control of army equipment material runs sytematically under the two-level maintenance system,and establishes the inventory control model based on system dynamics.On the basis of modeling and simulation,the influence of different inventory upper limit on the whole system is studied,and the optimal inventory control mechanism under the model condition is foud.In addition,through the simulation of two replenishment strategies(s,S) and(T,s,S),the advantages and disadvantages and feasibility of each replenishment strategy are analyzed.展开更多
Climate variability,together with other drivers of global change(like population growth,land-use change,etc.),is affecting the management offloods.Traditional approaches are no longer sufficient to address the increas...Climate variability,together with other drivers of global change(like population growth,land-use change,etc.),is affecting the management offloods.Traditional approaches are no longer sufficient to address the increased pressures that areas vulnerable toflooding are facing.A paradigm shift fromflood risk reduction toflood resilience-building strategies is required.An analytical framework is developed to help quantify,compare,and visualize dynamic resilience toflooding to address some shortcomings in current resilience assessment research.The proposed methodological framework forflood resilience combines physical,economic,engineering,health,and social spatio-temporal impacts and adaptive capacities offlood-affected systems.To capture the dynamic spatio-temporal characteristics of resilience and gauge the effectiveness of potential climate change adaptation options,aflood resilience simulation tool(FRST)is developed to use the analytical framework.The FRST is applied to a case study in Metro Vancouver,British Columbia,Canada.The simulation model focuses on the impacts of climate change-influenced riverineflooding and sea-level rise.Simulation results suggest that various adaptation options,such as access to emergency funding,mobile hospital services,and managed retreat can all help to increase resilience toflooding.Results also suggest that,at a regional scale,Metro Vancouver is rather resilient to climate change-influencedflood hazards.展开更多
文摘The paper discusses how the inventory control of army equipment material runs sytematically under the two-level maintenance system,and establishes the inventory control model based on system dynamics.On the basis of modeling and simulation,the influence of different inventory upper limit on the whole system is studied,and the optimal inventory control mechanism under the model condition is foud.In addition,through the simulation of two replenishment strategies(s,S) and(T,s,S),the advantages and disadvantages and feasibility of each replenishment strategy are analyzed.
基金Social Sciences and Humanities Research Council of CanadaNatural Sciences and Engineering Research Council of Canada+1 种基金Canadian Institute of Health ResearchIDRC。
文摘Climate variability,together with other drivers of global change(like population growth,land-use change,etc.),is affecting the management offloods.Traditional approaches are no longer sufficient to address the increased pressures that areas vulnerable toflooding are facing.A paradigm shift fromflood risk reduction toflood resilience-building strategies is required.An analytical framework is developed to help quantify,compare,and visualize dynamic resilience toflooding to address some shortcomings in current resilience assessment research.The proposed methodological framework forflood resilience combines physical,economic,engineering,health,and social spatio-temporal impacts and adaptive capacities offlood-affected systems.To capture the dynamic spatio-temporal characteristics of resilience and gauge the effectiveness of potential climate change adaptation options,aflood resilience simulation tool(FRST)is developed to use the analytical framework.The FRST is applied to a case study in Metro Vancouver,British Columbia,Canada.The simulation model focuses on the impacts of climate change-influenced riverineflooding and sea-level rise.Simulation results suggest that various adaptation options,such as access to emergency funding,mobile hospital services,and managed retreat can all help to increase resilience toflooding.Results also suggest that,at a regional scale,Metro Vancouver is rather resilient to climate change-influencedflood hazards.