RocsciencePhase2介紹課件

1、仿 真 智 領 創(chuàng) 新Simulating inspires innovation中仿科技January 27, 2022Rocscience Phase2Finite Element Analysis for Excavations and Slopes仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation主要內容RocScience軟件介紹Phase2介紹Phase2實例演示Phase2建模流程 分析設定 幾何模型 材料定義 邊界條件 網(wǎng)格剖分 求解 結果查看 施工過程模擬Phas

2、e2專題 CAD導入 初始地應力場 本構模型 支護結構 節(jié)理模型 有限元邊坡穩(wěn)定性分析 滲流分析 孔隙水壓力定義 結果解譯仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovationRocSciencel Rocscience -1996加拿大l 2D和3D的分析設計軟件l 應用領域：土木工程、巖土工程、礦業(yè)工程l 特點：準確、易用、快速l 目標：提高工程的安全性降低設計費用“Rocscience understands the challenges engineers face - wer

3、e 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 and accurately.”仿 真 智 領 創(chuàng) 新Simulating inspires in

4、novation仿 真 智 領 創(chuàng) 新Simulating inspires innovationPhase2 SlideExamine3DSettle3D Unwedge SwedgeRockfall Rocksupport Rockdata DipsRockplane ExamineTAB CPillarRocscience 軟件包括以下十三種專業(yè)分析軟件軟件包括以下十三種專業(yè)分析軟件開挖和邊坡有限元分析軟件開挖和邊坡有限元分析軟件二維邊坡穩(wěn)定性分析軟件二維邊坡穩(wěn)定性分析軟件三維地下開挖邊界元分析軟件三維地下開挖邊界元分析軟件三維固結沉降分析軟件三維固結沉降分析軟件地下開挖三維楔體穩(wěn)定性分

5、析軟件地下開挖三維楔體穩(wěn)定性分析軟件巖石邊坡楔體穩(wěn)定性分析軟件巖石邊坡楔體穩(wěn)定性分析軟件陡峭邊坡落石統(tǒng)計分析軟件陡峭邊坡落石統(tǒng)計分析軟件軟巖隧洞支護評價軟件軟巖隧洞支護評價軟件巖石、土和不連續(xù)體強度分析軟件巖石、土和不連續(xù)體強度分析軟件地質數(shù)據(jù)的幾何學和統(tǒng)計學分析軟件地質數(shù)據(jù)的幾何學和統(tǒng)計學分析軟件巖質邊坡平面楔體滑移穩(wěn)定性分析軟件巖質邊坡平面楔體滑移穩(wěn)定性分析軟件片狀礦體三維應力分析軟件片狀礦體三維應力分析軟件頂梁穩(wěn)定性分析軟件頂梁穩(wěn)定性分析軟件仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires in

6、novationPhase2Phase2 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 analysis

7、.特點：輕松、快速實現(xiàn)復雜多工況步模擬分析豐富的支護結構類型基于強度折減法的邊坡穩(wěn)定性分析地下水穩(wěn)態(tài)滲流分析全面的巖土體本構模型多種初始地應力場定義方法 仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovationPhase2軟件架構 MODEL COMPUTE INTERPRET仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovationPhase2實例演示內容：Quick Start

8、Tutorial目標：認識Phase軟件界面，熟悉菜單風格，了解建模流程仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovationPhase2建模流程建模流程分析設定分析設定幾何模型幾何模型載荷載荷材料定義材料定義網(wǎng)格剖分網(wǎng)格剖分邊界條件邊界條件求解求解結果查看結果查看仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation分析設定Project settingsGeneral分析類

9、型分析類型求解器類型：默認高斯消元法求解器類型：默認高斯消元法求解大規(guī)模問題時用共軛梯度法求解大規(guī)模問題時用共軛梯度法StagesStress AnalysisGroundwaterStrength ReductionProject Summary仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation模型幾何BoundariesExcavation閉合的多義線，在分步開挖模擬中，代表開挖最外部的邊界，內部的開挖邊界用Stage或者Material 邊界External閉合的多義線，一個

10、模型必須且只能有一個外部邊界，定義整個模型分析范圍Material材料分界線Stage定義開挖步界限Joint代表巖體內的節(jié)理或不連續(xù)面，節(jié)理邊界具有屬性（剛度和強度參數(shù)）Structural Interface結構接觸面，具有屬性Piezometric Line代表水位線或水位面，有效應力分析時計算孔隙水壓力。當孔隙水壓力計算方法是Piezometric Lines時才會用到這一邊界仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation載荷LoadingField StressLoa

11、d 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 pseudo-static seismic (earthquake) load can be applied to the

12、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 option allows you to apply a concentrated load to any node(s)

13、 of the finite element meshSpringsLiner Moments仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation材料定義MaterialDefine Material PropertiesMaterial physical properties such as unit weight, strength and elastic parameters, are entered in the Define Material Properties dial

14、og.Define Hydraulic PropertiesIf 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 p

15、roperties and the excavation staging sequence are assigned to the various regions of your model using the Assign Properties option.仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspires innovation網(wǎng)格剖分MeshDiscretizeBefore the mesh is generated the boundaries must first be Discretized

16、. This process subdivides the boundary line segments into discretizations which will form the framework of the finite 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 th

17、e Mesh Setup dialog. Discretize and MeshCustomizing the MeshSeveral different options are available for customizing the 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-me

18、nu allow you to check the quality of the mesh, and highlight problem areas which may need custom discretization or editing of boundaries to avoid poor quality elements (i.e. long thin elements which can lead to numerical problems).仿 真 智 領 創(chuàng) 新Simulating inspires innovation仿 真 智 領 創(chuàng) 新Simulating inspir

19、es innovation邊界條件Displacements邊界條件類型如下：邊界條件類型如下： 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 directions) A fixed, non-zero displacement can be applied as a boundary condition using