Geotechnical & Tunnel analysis System

Overview Overview 02 Geometry Modeling 07 Mesh Generation 13 Analysis & Tunnel Wizard 17 Post-processing 28 Applications 34 2

Overview About GTS Convenience Geotechnical & Tunnel analysis System “GTS is a total, state-of-the-art solution, which has been developed through integrating all the functionality necessary for structural analysis for geotechnical and tunnel engineering. Its capabilities include stress analysis reflecting construction stages, seepage analysis and much more …” Rapidity Accuracy Productivity GTS 3

Overview Foundations Geotechnical & Tunnel analysis System midas GTS MIDAS/FX+ (CAE Pre/Post-processor) “Integrated Solution for Geotechnical & Tunnel Analysis” “Geometry & Mesh Modeling ” MIDAS/Civil (Civil Structural Analysis System) “Finite Element Analysis” • Multi-discipline Analysis (Structural, Seepage, …) • Construction Stage • Fast & Accurate Solver • Geometry Modeling • Auto-mesh Generation • Huge Model Manipulation • Realistic Visualization • Report Generation • … 4

Overview Application Areas Geotechnical & Tunnel analysis System Tunnel Analysis in Conjunction with Highly Complex Inter-connections • Reflection of complex soil strata and terrain • Tunnel exits, T-shape/y-shape connected parts, steep slopes, vertical & transverse shafts - main tunnel connections, etc. Groundwater Seepage Analysis • Steady-state/Transient Flow analysis for tunnels, dams, slopes, etc. • Expanded applications from saturated zones to unsaturated zones using the Darcy’s principle • Application of unsaturated properties by user-defined curves in addition to van Genuchten and Gardner’s...

Overview Application Areas Geotechnical & Tunnel analysis System Analysis of Embankment on Soft Soil and Consolidation • Analysis of embanking in undrained conditions • Production of pore water pressures and consolidated settlements by time stages Analysis for Excavations and Temporary Structures • Deep excavations for substructures of major structures (highrise buildings) • Analysis for temporary structures reflecting existing structures such as subways Earthquake, Blast and Vibration Analysis • Various dynamic analyses for eigenvalues, response spectrums and time histories • Built-in seismic...

Overview Configuration Geometry Modeler Geotechnical & Tunnel analysis System Report Generator Mesh Generator FEA Pre-processor Post-processor FEA Solver 7

Geotechnical & Tunnel analysis System Main Menu Works Tree | Curve | Surface Solid Geometry Auto/Map-Mesh Protrude-Mesh Mesh Analysis Post Data Post Command Main Color Edge Color Node Color Specifies the name ot selected mesh Developed based on Task-oriented Design Paradigm

Works Tree Geotechnical & Tunnel analysis System • GTS' Works Tree displays geometry, mesh, analysis data and result data in a tree structure as Windows • Works Tree provides its own context menu and supports the convenient model management. Works Tree changes its form depending on the working mode. EE-jt* Datum J? Boundary Sett Support ] + g( Load Sett Initial Load ] Pre-Works Post-Works Report Works Work Plane Coord System ^ Boundary Sett Support ] [fjP Load Sett Initial Load ] Construction Stage Pre-Works Post-Works Report Works Context Menu

Property Window Geotechnical & Tunnel analysis Sysfc • GTS' Property Window provides various information of selected items and allows changing basic properties such as name, color, etc. • In post-processing mode, Property Window is used as a control panel of the post-processing options. Main Color Edge Color Node Color Junction Mesh Slice Plane Clipping Plane Average Node Post Control Panel

Task-oriented User Interface Geotechnical & Tunnel analysis Syste Drawing Type Selection Dynamic Instruction for Current Input Input Cente Figure-on/off Button Location Entry Field Input Start Location Method |Radius, Start Angle Included Angle luded Angle Command/Method-sensitive Figures • Keyboard Input: Mathematical expressions can be used. <Ex> 100/2*sin(40)

Overview Shading Graphic Display - Geometry Geotechnical & Tunnel analysis System Shading with Edge Shading with Edge + Transparency Wireframe Bounding Box 12

Overview Shading Graphic Display - Mesh Geotechnical & Tunnel analysis System Wireframe Shading + Shrink Top View Feature Edge Shading + Hide Element Edge 13

Overview Virtual Transformation Geotechnical & Tunnel analysis System Virtual Transformation (Translation, Rotation, Scaling) by Mouse Dragging 14

Overview Flying View Geotechnical & Tunnel analysis System 15

Selection Method Selection Filter Circle Selection Polygon Selection Geotechnical & Tunnel analysis Syste Polyline Selection

Overview Selection Method Geotechnical & Tunnel analysis System Detected Entity List ID Selection (Node/Element) Query Pick Selection Displayed Selection 17

Geometry Modeling Overview 02 Geometry Modeling 18 Mesh Generation 13 Analysis & Tunnel Wizard 17 Post-processing 28 Applications 34 18

Geometry Modeling Curve • Tunnel Section • Line, Polyline • Arc, Circle • Polygon • B-Spline • Fillet, Chamfer • Trim, Extend • Intersect • Offset, Tangent • Break, Merge … Geometry Modeling Surface • Plane Patch • Coons Patch • NURBS Patch • Grid Patch • Vertex Patch • Fillet, Chamfer • Sew, Fuse • Trim, Divide • Extend • Imprint … Geotechnical & Tunnel analysis System Solid • Box, Wedge • Cylinder, Cone • Sphere, Torus • Trim, Divide • Embed • Boolean Op. (Fuse, Cut, …) • Stitch Surfaces … Advanced Modeling • Extrude • Revolve • Loft • Sweep • Fillet, Chamfer • Offset, Draft • Shelling • Local...