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1、Rocscience Phase2,Finite Element Analysis for Excavations and Slopes,主要内容,RocScience软件介绍Phase2介绍Phase2实例演示Phase2建模流程分析设定几何模型材料定义边界条件网格剖分求解结果查看施工过程模拟,Phase2专题CAD导入初始地应力场本构模型支护结构节理模型有限元边坡稳定性分析渗流分析孔隙水压力定义结果解译,RocScience,Rocscience-1996加拿大 2D和3D的分析设计软件应用领域：土木工程、岩土工程、矿业工程特点：准确、易用、快速目标：提高工程的安全性降低设计费用,“Roc
2、science understands the challenges engineers face-were engineers too.Our seasoned engineer-developer team has advanced degrees in a variety of geotechnical specialties,as well as years of field experience.Weve created software based on leading edge research to help you get your projects done quickly
3、 and accurately.”,Phase2 SlideExamine3DSettle3D Unwedge SwedgeRockfall Rocksupport Rockdata DipsRockplane ExamineTAB CPillar,Rocscience 软件包括以下十三种专业分析软件,开挖和边坡有限元分析软件二维边坡稳定性分析软件三维地下开挖边界元分析软件三维固结沉降分析软件地下开挖三维楔体稳定性分析软件岩石边坡楔体稳定性分析软件陡峭边坡落石统计分析软件软岩隧洞支护评价软件岩石、土和不连续体强度分析软件地质数据的几何学和统计学分析软件岩质边坡平面楔体滑移稳定性分析软件片状矿体
4、三维应力分析软件顶梁稳定性分析软件,Phase2,Phase2 7.0 is a powerful 2D elasto-plastic finite element stress analysis program for underground or surface excavations in rock or soil.It can be used for a wide range of engineering projects and includes support design,finite element slope stability and groundwater seepage
5、 analysis.,特点：轻松、快速实现复杂多工况步模拟分析丰富的支护结构类型基于强度折减法的边坡稳定性分析地下水稳态渗流分析全面的岩土体本构模型多种初始地应力场定义方法,Phase2软件架构,MODELCOMPUTEINTERPRET,Phase2实例演示,内容：Quick Start Tutorial目标：认识Phase软件界面，熟悉菜单风格，了解建模流程,Phase2建模流程,分析设定几何模型载荷材料定义网格剖分边界条件求解结果查看,分析设定Project settings,General,分析类型求解器类型：默认高斯消元法求解大规模问题时用共轭梯度法,StagesStress Ana
6、lysisGroundwaterStrength ReductionProject Summary,模型几何Boundaries,Excavation闭合的多义线，在分步开挖模拟中，代表开挖最外部的边界，内部的开挖边界用Stage或者Material 边界External闭合的多义线，一个模型必须且只能有一个外部边界，定义整个模型分析范围Material材料分界线Stage定义开挖步界限Joint代表岩体内的节理或不连续面，节理边界具有属性（刚度和强度参数）Structural Interface结构接触面，具有属性Piezometric Line代表水位线或水位面，有效应力分析时计算孔隙水压
7、力。当孔隙水压力计算方法是Piezometric Lines时才会用到这一边界,载荷Loading,Field StressLoad SplitLoad Split is an advanced option which can be used to split the field stress and/or body force loading of the finite elements,between any stages of the model,rather than applying the entire load in the first stage.Seismic LoadA
8、pseudo-static seismic(earthquake)load can be applied to the modelDistributed LoadsThe Distributed Load options allow you to add Uniform or Triangular distributed loads to model boundaries.Also,a special option is available for the modeling of loading due to Ponded Water.Line LoadsThe Line Loads opti
9、on allows you to apply a concentrated load to any node(s)of the finite element meshSpringsLiner Moments,材料定义Material,Define Material PropertiesMaterial physical properties such as unit weight,strength and elastic parameters,are entered in the Define Material Properties dialog.Define Hydraulic Proper
10、tiesIf your model considers groundwater pore pressure(e.g.for effective stress analysis),then the hydraulic properties of each material(e.g.piezometric surfaces or hydraulic conductivity)are entered in the Define Hydraulic Properties dialog.Assign PropertiesMaterial properties and the excavation sta
11、ging sequence are assigned to the various regions of your model using the Assign Properties option.,网格剖分Mesh,DiscretizeBefore the mesh is generated the boundaries must first be Discretized.This process subdivides the boundary line segments into discretizations which will form the framework of the fi
12、nite element meshMeshAfter discretizing,the finite element mesh can be generated.The mesh is based on the discretization of the boundaries,and the mesh and element types selected in the Mesh Setup dialog.Discretize and MeshCustomizing the MeshSeveral different options are available for customizing t
13、he mesh,which give the user complete control over the discretization and meshing.This includes the following options:Mapped MeshingMesh QualityThe options in the Mesh Quality sub-menu allow you to check the quality of the mesh,and highlight problem areas which may need custom discretization or editi
14、ng of boundaries to avoid poor quality elements(i.e.long thin elements which can lead to numerical problems).,边界条件Displacements,边界条件类型如下：Restrain XY(i.e.pinned)Restrain X(i.e.free to move in the Y direction only)Restrain Y(i.e.free to move in the X direction only)Free(i.e.free in both X and Y direct
15、ions)A fixed,non-zero displacement can be applied as a boundary condition using the Set Displacement option.Infinite Elements can be used on the External boundary.This is set in the Default External boundary condition dialog.,求解Compute,结果查看Boundaries,施工过程模拟Stages,Phase2专题CAD导入初始地应力场本构模型支护结构节理模型有限元边坡稳定性分析渗流分析孔隙水压力定义结果解译,
