题目煤矿井下人员位置确定的耦合效应分析学生姓名房春学号1213014108所在学院物理与电信工程学院专业班级电子信息工程专业12级4班指导教师帅春江完成地点陕西理工学院2016年5月23日煤矿井下人员位置确定的耦合效应分析作者:房春(陕西理工学院物理与电信工程学院电子信息工程专业12级4班,陕西汉中723000)指导老师:帅春江[摘要]:煤作为我国重要能源之一,如何安全有效开采成为我们重视的一个内容,而确定煤矿中各个人员的位置对于加强安全防范,保障矿工生命和国家财产的安全具有更加深刻的意义。文中通过对边界元法基本原理的回顾,详细给出了边界元法计算电磁问题的处理过程和相关计算公式。边界元法是以定义在边界上的边界积分方程为控制方程,通过对边界分元插值离散,化为代数方程解,与有限元相比,具有单元个数少,数据准备简单等优点,并在矿井隧道波导问题进行物理建模的基础上,分析随着人员位置的变化拱形隧道中的电场分布及耦合电容变化等问题。[关键字]:边界元法;拱形隧道;耦合电容AnalysisoncouplingeffectofcoalminepersonnelpositiondeterminationAuthor:FangChun(Grade12,Class4,Majorelectronicsandinformationengineering,SchoolofPhysicsandElectronicInformationEngineering,ShaanxiUniversityofTechnology,Hanzhong723000,Shaanxi)Tutor:ShuaiChunjiangAbstract:Asoneoftheimportantenergyinourcountry,howtominecoalsafelyandeffectivelybecomesacontentoftheourattention,anddeterminethelocationofallstaffinthecoalmine,tostrengthenthesafetyprecautionstoprotectthesafetyoftheminers'livesandthepropertyofthestatehasmoreprofoundsignificance.Inthispaper,thebasicprincipleoftheboundaryelementmethodisreviewed,andtheprocessingprocedureandtherelatedcalculatingformulaoftheelectromagneticproblemaregivenindetail.Theboundaryelementmethodisdefinedontheboundaryoftheboundaryintegralequationasthegoverningequationbytheboundaryelementdiscretization,ofsolutionstoalgebraicequations,comparedwithfiniteelement,theunitisafewanddatapreparationissimple.Then,basedonthephysicalmodelingofthetunnelwaveguideproblem,theboundaryelementmethodisusedtostudythedistributionoffieldintensityandthechangeofthecouplingcapacitanceinthearchtunnelwiththechangeofthepositionofthestaff.Keywords:Boundaryelementmethod;archtunnel;couplingcapacitance目录1引言.................................................................................................11.1课题的背景及意义...................................11.2电磁场和电磁波.....................................11.3电磁场的边界问题计算方法...........................11.3.1解析法........................................21.3.2数值法........................................22常数边界元法.................................................................................32.1常数边界元法(CBEM)基本概念.......................32.2边界元的基本关系式.................................32.2.1加权余量法....................................32.2.2格林公式......................................42.3边界积分方程.......................................62.4边界元方程及方法实施...............................62.5常数边界元法.......................................72.5.1系数和的计算..............................82.6计算程序的编制....................................103实例分析计算...............................................................................123.1耦合电容计算......................................123.2空隧道模型分析....................................133.2.1空隧道模型...................................133.2.2空隧道中电磁波的电场与电位分布...............133.3有人隧道模型分析......