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CUGEvolutionary Model of Coal Mine Water Hazards Based on Multi-agentChengzhu Gong,Lanlan Li,Kejun Zhu,Yanhui GaoChengzhu Gong,Lanlan Li,Kejun Zhu,Yanhui GaoChina University of Geosciences,WuhanChina University of Geosciences,Wuhan 2011-9-30 2011-9-30Evolutionary Model of Coal Min1CUGCONTENTSIntroductionIntroductionEvolutionary model of coal mine water hazards Evolutionary model of coal mine water hazards Simulation with NetLogo Simulation with NetLogo ConclusionsConclusionsCONTENTSIntroduction2CUGINTRODUCTIONCoal water-inrush accidents increasing-Coal mines are in complex hydro-geological conditionsCoal mines are in complex hydro-geological conditions-E Extension of coal mining depthxtension of coal mining depth-Coal demand constantly increasingCoal demand constantly increasingPrevention of coal water-inrush are renewed attentionINTRODUCTIONCoal water-inrush 3CUGINTRODUCTIONCoal mine water hazard cognizance-Is a complex and adaptive phenomenonIs a complex and adaptive phenomenon-Possess nonlinear dynamic characteristicsPossess nonlinear dynamic characteristicsPrevention methods of coal water-inrush-Water bursting coefficientWater bursting coefficient 、V Vulnerability index methodulnerability index method-C Critical layer analysisritical layer analysis、F Fault tree analysisault tree analysis-GISGIS、DCDC、TEM&ITEM&Information fusion analysisnformation fusion analysisINTRODUCTIONCoal mine water ha4CUGINTRODUCTIONDeficiency of the traditional method-F Failed to describe ailed to describe the the nonlinear dynamic phenomenanonlinear dynamic phenomena-N Not studied ot studied onon the view of system science the view of system scienceThe creative points of the thesis-Solving bySolving bycomplex systems complex systems theory&methods theory&methods-Using Using Agent-based modeling and simulationAgent-based modeling and simulation(ABMS)(ABMS)INTRODUCTIONDeficiency of the 5CUGEVOLUTIONARY ModelFormation mechanism of coal water-inrushWater-inrush principle&Energy accidental release&Water-inrush principle&Energy accidental release&Human error theoryHuman error theoryEVOLUTIONARY ModelFormation me6CUGEVOLUTIONARY ModelEvolution mechanism of coal water-inrushn n WaterWatern n Channel Channeln n Drainage and emergency measures.Drainage and emergency measures.n n Mining activities Mining activitiesEVOLUTIONARY ModelEvolution me7CUGEVOLUTIONARY ModelAgent-based model of coal water-inrushAgents interactive in the model.Agents interactive in the model.EVOLUTIONARY ModelAgent-based 8CUGSIMULATION ProcessesSimulation platform:NetLogoParameters setting-Water sources rank:0-5Water sources rank:0-5-Channel permeability:0-1Channel permeability:0-1-Mining activity:#workers*NMining activity:#workers*N-Drainage ability:base on water Drainage ability:base on water volumevolume-Iterations:5000Iterations:5000SIMULATION ProcessesSimulation9CUGSIMULATION ProcessesSimulation interfaces in NetLogoTwo dimensional Two dimensional area is divided into four parts:water areaarea is divided into four parts:water area、channel areachannel area、mining activity area mining activity area&drainage area.drainage area.Change Change parameters will simulate different situations.parameters will simulate different situations.SIMULATION ProcessesSimulation10CUGSIMULATION ResultsCurve Explaincurve curve water-richness of the mine;water-richness of the mine;curve curve intercepting effect of water-proof layer.intercepting effect of water-proof layer.curve curve risk levels of water in mining areas.risk levels of water in mining areas.curve curve drainage ability of the mining area.drainage ability of the mining area.SIMULATION ResultsCurve Explai11CUGSIMULATION ResultsSimulation situation Explain(a)(a)Safety mining conditionSafety mining condition(b)(b)A better conditions of water proof layer A better conditions of water proof layer SIMULATION ResultsSimulation s12CUGSIMULATION ResultsSimulation situation Explain(c)(c)Water-proof layer is damaged suddenlyWater-proof layer is damaged suddenly(d)(d)Low drainage ability Low drainage abilitySIMULATION ResultsSimulation s13CUGSIMULATION ResultsSimulation situation Explain(e)(e)Water plugging technology is usingWater plugging technology is using(f)(f)Drainage ability is improvedDrainage ability is improvedSIMULATION ResultsSimulation s14CUGCONCLUSIONSUsing ABMS to study the evolution of coal mine water hazards is adopting-Evolution process is dynamically presentedEvolution process is dynamically presented-Results could explain the situation in coal mineResults could explain the situation in coal mine-Owing good extension abilityOwing good extension abilityChecking some preventions effectivenessCONCLUSIONSUsing ABMS to study15CUG谢谢谢谢!Thank you!谢谢!Thank you!169、春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃花一样美丽，日子像桃子一样甜蜜。8月-248月-24Friday,August 2,202410、人的志向通常和他们的能力成正比例。08:49:4908:49:4908:498/2/2024 8:49:49 AM11、夫学须志也，才须学也，非学无以广才，非志无以成学。8月-2408:49:4908:49Aug-2402-Aug-2412、越是无能的人，越喜欢挑剔别人的错儿。08:49:4908:49:4908:49Friday,August 2,202413、志不立，天下无可成之事。8月-248月-2408:49:4908:49:49August 2,202414、Thank you very much for taking me with you on that splendid outing to London.It was the first time that I had seen the Tower or any of the other famous sights.If Id gone alone,I couldnt have seen nearly as much,because I wouldnt have known my way about.。02八月20248:49:49上午08:49:498月-2415、会当凌绝顶，一览众山小。八月248:49上午8月-2408:49August 2,202416、如果一个人不知道他要驶向哪头，那么任何风都不是顺风。2024/8/28:49:4908:49:4902 August 202417、一个人如果不到最高峰，他就没有片刻的安宁，他也就不会感到生命的恬静和光荣。8:49:49上午8:49上午08:49:498月-24谢谢观看THE END9、春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳17
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