soilworks description

8/20/2019 SoilWorks Description

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midas SoilWorks

Geotechnical Solution for Practical Design

Presented by: Vipul Kumar

MIDAS IT, Korea



Product Overview

About SoilWorks

Application Areas

Smart SoilWorks

Pre-Processing

Geometry Modeling

Properties

Mesh Generation

Analysis Types

Modules

Tunnel Module

Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

Index



Product OverviewAbout SoilWorks

Application Areas

Smart SoilWorks



Geotechnical Solutions for Practical DesignProduct Overview

A New Paradigm for Geotechnical Engineering Solutions

midas SoilWorks is an all-in one 2D Finite Element Analysis software for Structural and Geotechnical

engineers.

Fully integrated Pre/Post and Solver.

Intuitive

Tunnel

Slope

Soft Ground

Foundation

Seepage

Dynamic

SoilWorks

About SoilWorks



Geotechnical Solutions for Practical DesignProduct Overview

Structural &

Geotechnical

engineers

SoilWorks

About SoilWorks

Complete FEM SoftwarePackage

CAD based environment

Intuitive

Automation

Robust

Structural &

Geotechnical

engineers

2 3 4

Geometry Modeling Properties / Meshing

/ Loads / Boundaries

Analysis Post-Processing

Work Flow

1




Application Areas

Smart SoilWorks



Application AreasProduct Overview Geotechnical Solutions for Practical Design

Tunnels with Temporary Structures

Urban Tunnel Constructed below GWL

Mountain Tunnel

(Shallow) Subway Tunnel Constructionwith Adjacent Structures & Sewer pipes




Slope Stability at Tunnel Exit

Slope Stability under Rainfall conditionReinforcement for Cut Slopes

Shoring Wall Constructionwith Sewer Pipes




Abutment on Slopes- with& without Pile Effect

Settlement in Soft Ground

Construction of Road Embankment on Soft

Ground & Ground Improvement Techniques

Group Pile Behavior




Excavation with Anchor Wall and

Dewatering

Seepage Analysis of Levee

Parallel Tunnel Construction belowGWL

Foundation Construction

near a river




Dams/Levees with Cut-off Walls

Tunnel Blasting effects on Adjacent

Structure

SSI of Underground Structure

Subway Tunnel Construction withAdjacent Structure




Application Areas

Smart SoilWorks



Smart SoilWorksProduct Overview Geotechnical Solutions for Practical Design

FEM Software with 7 Smart Automated Features

Smart features for fast modeling, analysis and results extraction

Smart

SoilWorks

1. Smart

Modeling

2. Smart

Surface

3. Smart

Mesh

4. Smart

Support

5. Smart

TechnicalReview

6. Smart

Analysis

7. Smart

Results



Product Overview Geotechnical Solutions for Practical Design

1) Smart Modeling

CAD based Operating Environment

Smart SoilWorks

• Use a CAD file by ‘Copy &

Paste’ function

• Simple and convenient

• Shortens modeling time

Benefits




2) Smart Surface

Auto-generation of Surfaces for enclosed domains

Smart SoilWorks

• Automatic Surface creation

•

Drag and Drop materialproperties

Benefits




3) Smart Mesh

Auto-generation of mesh

Smart SoilWorks

• No element size input is

required

• Quick and easy

Benefits




4) Smart Support

Auto-generation of boundary conditions

Smart SoilWorks

• Automatic boundary

generation

• Intuitive checking

Benefits




5) Smart Technical Review

Technical Review to prevent Analysis errors

Smart SoilWorks

• Check errors

• Enhance analytical skills

Benefits




6) Smart Analysis

Robust Parametric Analysis Capability and Data interface between Modules

Smart SoilWorks

• Robust Parametric Analysis

• Coupled Analysis

Benefits




7) Smart Results

Auto-generation of high quality reports

Smart SoilWorks

• High Quality report

generation

• Simplify work process

• Increase Productivity

Benefits



Pre-ProcessingGeometry Modeling

Properties

Mesh Generation

Analysis



Geometry Modeling Geotechnical Solutions for Practical Design

• Point

• Line

• Curve• Rectangle

• Surface

• Smart

Surface

Create

To use the function ‘Surface’ , the bounding curves of an enclosed domain need to be hand -picked

whereas,

‘Smart Surface’ automatically generates Surface for the enclosed domain.

Transform

• Intersect

• Extend

• Array• Trim

• Offset

• Chamfer

• Fillet

• Remove

Free Curve

•

Reverse LineAxis

Modify

CAD based geometry modeling

Various Tools to create and edit geometry

• Copy

• Move

• Scale• Rotate

• Mirror




Properties

Mesh Generation

Analysis



Properties Geotechnical Solutions for Practical DesignGround Materials

Tunnel Slope Soft Ground Foundation Seepage Dynamic

Elastic Ground Mohr-Coulomb

(LEM)

Embankment Clay Seepage Elastic Ground

Mohr-Coulomb Elastic Ground Sand Sand Elastic Ground

(Equivalent

Linear)

von Mises Mohr-

Coulomb

Clay C phi Mohr-Coulomb

Tresca Modified Cam

Clay

Soft Rock

Hoek-Brown Elastic Ground Hard Rock

Hyperbolic

(Duncan-Chang)

Mohr-Coulomb

Drucker-Prager Sekiguchi Ohta

(Elasto-plastic)

Sekiguchi Ohta

(Visco Elasto-

plastic)



Properties Geotechnical Solutions for Practical DesignStructural

Line Type

• Beam Element

• Truss / Embedded Truss

• Geogrid

Plane Type

• Triangular Element

• Quadrilateral Element

Others

• Pile Element

• Spring

• Interface Element

• Rigid Link, Elastic Link• Surface Spring

• Boundary Element (Dynamic Module

only)




Properties

Mesh Generation

Analysis



Mesh Generation Geotechnical Solutions for Practical Design

Smart Mesh

generation

feature

Generate

(unstructured)

Auto-mesh for a

closed domain

Element Type:

Triangle (T)

Quadrilateral (Q)

Combined (T+Q)

Generate

structured mesh

for a closed

domain

Generate

orthogonal mesh

for a closed

domain usingQuadrilateral

and Triangular

Element

Generate mesh

for 2D elements

by pre-defined

mesh pattern

Smart Mesh Auto Mesh Map Mesh Grid Mesh Pattern Mesh

Options




Loop Mesher Grid Mesher Delaunay Mesher

ImpulsivePoint

Auto Mesh

Loop Meshing Algorithm Grid Meshing Algorithm Delaunay Meshing Algorithm




Map Mesh feature is used to generate structured mesh using Quadrilateral elements for a

closed domain.

Pattern Mesh is used to further smooth down the mesh by dividing the 2D elements in pre-

defined patterns.




Properties

Mesh Generation

Analysis



Geotechnical Solutions for Practical DesignAnalysis

Analysis

StaticNonlinear

Analysis ConstructionStage

Analysis

SlopeStability

(SRM, SAM,LEM)

Analysis

Consolidation(FEM)

Analysis

1DConsolidation

Analysis

p-yNonlinearAnalysis

Seepage(Steady ,

Transient &Coupled)Analysis

Eigenvalue

Analysis

ResponseSpectrumAnalysis

Time HistoryAnalysis

EquivalentLinear

Analysis

Analysis Types



ModulesTunnel Module

Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module



Geotechnical Solutions for Practical DesignTunnel Module

A module dedicated to Tunnel Analysis

Design Application Areas:

- Stability checks for Tunnel reinforcements

- Lining Analysis

- Stability of Adjacent structures

- Stress-Seepage Coupled Analysis

Introduction



Geotechnical Solutions for Practical Design

Boundary Conditions

• Smart Support• Auto Support

• Change Attribute

All Boundary Conditions can be applied both to Geometry and FE Mesh

• Functions

-Water Level

BoundariesTunnel Module




Load Types

• Self Weight

• Nodal Load

• Pressure Load

• Beam Load

• Initial Stress Load

• Prestress Load

• Prescribed Displacement Load

• Nodal / Element Temperature

Load

• Temperature Gradient Load

• Result from other case

• Combined Load

Load applied

on Geometry

Load applied

on FE Mesh

LoadsTunnel Module



Geotechnical Solutions for Practical DesignTunnel Module Analysis

Analysis Features

- Material Models: Mohr-Coulomb, Hoek-Brown, Duncan-Chang

- Construction Stage Analysis

- Static Nonlinear Analysis

- Technical Review

Drag and

Drop



Geotechnical Solutions for Practical DesignTunnel Module Analysis

Analysis Features

- Built-in Allowable Displacement criteria for

Adjacent Structures




Contour Plot

Table Graph

Tunnel Module Post-Processing




Gradient Contour Discontinuous Contour

Gradient Contour with

Mesh Edge

Gradient Contour with

No Edge

Contour TypesTunnel Module




Iso Line

IsoLineTunnel Module



Geotechnical Solutions for Practical DesignResults ExtractionTunnel Module



Geotechnical Solutions for Practical DesignTag ResultsTunnel Module




Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

d d l d



Geotechnical Solutions for Practical DesignFoundation Module

A module dedicated to Foundation Analysis


- Vertical stability checks for Pile foundations

- Horizontal stability checks for Pile foundations

- Pile foundation design based on p-y method

Introduction

d i d l d i



Geotechnical Solutions for Practical DesignFoundation Module

Features:

- Perform simultaneous analysis for varying foundation types and sizes- Pile head condition

Foundation Type

F d i M d l F d i L d



Geotechnical Solutions for Practical DesignFoundation Module Foundation Load

Features:

- Define axial, shear loads and moments- Condition-Seismic and Normal

F d ti M d l A l i



Geotechnical Solutions for Practical DesignFoundation Module Analysis

Analysis Features:

- p-y Analysis

- Calculation of pile member forces

- Analysis result report for comparing

various piles types

F d ti M d l R lt



Geotechnical Solutions for Practical DesignFoundation Module Results

Features:

- Comparison of displacement between different pile types

- Horizontal stability check




Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

Slope Module Introduction



Geotechnical Solutions for Practical DesignSlope Module Introduction

A module dedicated to Slope Analysis


- Stability checks for cut/banked slopes

- Lateral movement of bridge abutment reflecting pile effect

- Slope-Seepage coupled analysis

Slope Module LEM Loads



Geotechnical Solutions for Practical DesignSlope Module LEM Loads

Features:

- Line Load for LEM analysis- Static Seismic load for LEM analysis

Slope Module Failure Surface Boundary



Geotechnical Solutions for Practical DesignSlope Module Failure Surface Boundary

Features:

- Arc Failure Surface- Polygonal Failure Surface

- Auto-search Failure Surface

G t h i l S l ti f P ti l D iSlope Module Failure Surface Boundary



Geotechnical Solutions for Practical DesignSlope Module Failure Surface Boundary

• Automatic searching of the failure surface

boundary on the basis of input data

• Auto creation of grid and arc failure

surfaces

G t h i l S l ti f P ti l D iSlope Module Analysis



Geotechnical Solutions for Practical DesignSlope Module Analysis

Analysis Features:

- Simultaneous calculations of safety factors for LEM and SRM analysis- LEM Analysis coupled with Seepage effects

- LEM Analysis coupled with 1D Consolidation

• Bishop

• Fellenius• Janbu

G t h i l S l ti f P ti l D iSlope Module LEM Results



Geotechnical Solutions for Practical DesignSlope Module LEM Results

Free Body Diagram of a Slice




Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

Geotechnical Solutions for Practical DesignSoft Ground Module Introduction



Geotechnical Solutions for Practical DesignSoft Ground Module

A module dedicated to Analysis and Optimal design of Soft Ground


- Primary & Secondary Consolidation for Soft Clays

- Immediate settlements in Granular Soils

- Calculation of Construction Periods of Staged Embankments

- 1D Consolidation- Slope Coupled analysis

- Checking Drainage functionality

- Calculation of Preloading height

Introduction

Geotechnical Solutions for Practical DesignSoft Ground Module Drain Properties



Geotechnical Solutions for Practical DesignSoft Ground Module Drain Properties

Features:

- Practice oriented drainage types- Consideration of Smear Properties

- Arrangement type: Quadrilateral and Triangular

Geotechnical Solutions for Practical DesignSoft Ground Module Boundaries



Geotechnical Solutions for Practical DesignSoft Ground Module Boundaries

Features:

- Draining Condition- Non-Consolidation Boundary Element

Boundaries for 1D Consolidation:

- Change in Drain Property

- Strength Increase Zone

- Settlement Calculation Position

Change in Drain

Properties

Settlement

Calculation Positions

Geotechnical Solutions for Practical DesignSoft Ground Module 1D Consolidation Loads



Geotechnical Solutions for Practical DesignSoft Ground Module 1D Consolidation Loads

Features:

- Application of Surface Load

• Point Load

• Uniform Line Load

• Strip Load

• Uniform Rectangular Load

Geotechnical Solutions for Practical DesignSoft Ground Module Analysis



Geotechnical Solutions for Practical DesignSoft Ground Module Analysis

Features:

-1D Consolidation- FEM

Parametric Analysis:

- Preliminary Analysis- Drain Spacing

- Preloading

Preliminary Analysis Drain Spacing Parametric Analysis

Geotechnical Solutions for Practical DesignSoft Ground Module Results



Geotechnical Solutions for Practical DesignSo t G ou d odu e esu ts

Features:

- Stability check for adjacent structures- Calculation of Construction Periods of staged embankments

1D Consolidation Features:

- Checking settlement based on staged embankments

- Change in soil strength due to Drain placement

- Residual Settlement checks based on Preloading heights




Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

Geotechnical Solutions for Practical DesignDynamic Module Introduction



gy

A module dedicated to Dynamic and Seismic Analysis


- Calculation of maximum acceleration for ground layers

- Seismic analysis

- Soil-Structure Interaction problems

- Train vibration loads, vibration effects due to blasting

Geotechnical Solutions for Practical DesignDynamic Module Boundary Elements



gy y

Features:

- Automatic generation of Boundary Elements- Elastic or Viscous- Automatic generation of 2D Equivalent Linear Analysis Boundary Elements

Geotechnical Solutions for Practical DesignDynamic Module Loads



y

Features:

- Nodal Mass- Response Spectrum Load

• Response Spectrum Functions

- Time History Functions

• Ground Acceleration Load

• Dynamic Nodal Load

• Time History Result Functions

Geotechnical Solutions for Practical DesignDynamic Module Analysis



Features:

- Eigenvalue Analysis- Response Spectrum Analysis

- Time History Analysis

- Equivalent Linear Analysis

- Free Field Analysis

Geotechnical Solutions for Practical DesignDynamic Module Results



Features:

- Maximum acceleration of ground layers by 1D Free Field Analysis- Member forces in 2D Equivalent Linear (SSI) Analysis

- Maximum vibrations in adjacent structures due to vibration loads

- Maximum displacements of structures due to seismic waves

Geotechnical Solutions for Practical DesignDynamic Module Results



Features:

- Eigenvalue Analysis Table- Time History Results

• Result Graph

• Draw Time History




Foundation Module

Slope Module

Soft Ground Module

Dynamic Module

Seepage Module

Geotechnical Solutions for Practical DesignSeepage Module Introduction



A module dedicated to Seepage Analysis and Coupled Analysis


- Seepage and flux analysis for tunnel construction stages

- Seepage analysis coupled with slope stability analysis

- Cut-off wall problems

- Pump design capacity for temporary structures and foundations

Geotechnical Solutions for Practical DesignSeepage Module Boundaries



Features:

- Nodal Head / Flux- Surface Flux

- Water Level Boundary

- Function

• Seepage Function

Geotechnical Solutions for Practical DesignSeepage Module Analysis



Features:

- Permeability Coefficient and

Water Content Curves

- Saturated and Unsaturated

grounds

- Steady State/ Transient State

Analysis- Consideration of Seepage forces

Geotechnical Solutions for Practical DesignSeepage Module Results



Features:

- Seepage into tunnels- Calculation of ground water drawdown and outflow flux due to excavation

- Change in GWL due to intensity of precipitation

- Seepage analysis results coupled with Stress/LEM analysis

Geotechnical Solutions for Practical DesignVerification



Error 0.0%

0.0

20.0

40.0

60.0

80.0

100.0

120.0

140.0

160.0

-0.02 0.00 0.02 0.04 0.06

A Program

SoilWorks

Error 0.91%

Hand Calculated slip resistance : 24.959

Hand Calculated Moment : 7.810

Theoretical Solution (FoS) = 24.959/7.810 = 3.1957

SoilWorks = 3.1957

Error 0.0%

Seepage

Slope

Foundation

Geotechnical Solutions for Practical DesignVerification



A Program

SoilWorks

Total Load Method

Consolidation

A Program

SoilWorks

Individual Load Method

FEM

Theoretical Solution : 0.05m

SoilWorks : 0.04949

Error 1.02%



Why SoilWorks…

SoilWorks represents the complete 2D FEA solution to geo-structural

problems for structural and geotechnical engineers

7 Smart Features for easy modeling and reviewing results

Extensive library of material models and structural elements

Streamlining Design Process (Repetition eliminated) - Parametric Analysis

Dedicated User Support

Simple Modeling - CAD based modeling environment

Intuitive Graphic user interface

Eliminate the blind spot between structural & geotechnical engineers

Increase productivity into a new dimensionExpand your business areas & Secure more projects

Rely on the Midas support team as a part of your project team

We build our success on your success




www.MidasUser.com

contact us at: [email protected]

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