civilfem overview

ANSYS/CivilFEM Overview

Peter R Barrett M S C E P E

© 2009 CAE Associates

Peter R. Barrett, M.S.C.E., P.E.

CivilFEM Overview Webinar

CAE Associates / Ingeciber & CivilFEM CAE Associates / Ingeciber & CivilFEM General CivilFEM Overview CivilFEM Modules

— Intro Module— Nonlinear Bridge Simulation— Pre-stressed Concrete

..Npy

-1)

_

_

_

DistPilx (1...Npx-1)

|

PosXCol

Column

DExtRig

DE

xtTo

p

DIAPIL

X

Y

(2,2)

(3,4)Piles identified withtwo numbers (I,J):Horizontal and vertical

(I,J)

— Geotechnical Applications including tunnelling

— Nuclear Applications

Dis

tPily

(1..

_

Pos

YCol

DExtLef

DEx

tBot

(1,1) (1,2)

HeightEn

HeightT (1) WidPLA

HeightPil

Nuclear Applications

HeightT (NumStr)

LenPIL

2

Rectangular wiling of Npx x Npy piles

HeightT (NumStr+1)

X

Z

What is CivilFEM?

CivilFEM is an integrated Pre Solu and Post processor add on to CivilFEM is an integrated Pre- , Solu - and Post-processor add-on to traditional ANSYS developed by ANSYS’s Spain distributor INGECIBER

100º110º120º130ºAASHTO LRFDBridge Design Specifications

N /CivilSYS FEM

55

2.5

40

5

15

15

5

8060

50

60

5

5

5

2.5

5

2.5

60

CANADA

100º110º120130

50º

40º

30º

Bridge Design Specifications (Western USA)

Tropic of Cancer

52.5

2.5

MÉXICO

AAcceleration Coefficient

Seismic Zone

1

2

3

4> 0.29

> 0.19 and < 0.29

_> 0.09 and < 0.19

_

< 0.09

_

3

INGECIBER- CivilFEM Developer / ANSYS Partner

Ingeciber S.A. is a CAE company and ANSYS Channel Partner with more than 20 years of experience using and developingwith more than 20 years of experience using and developing CAE Software

Ingeciber’s Quality Assurance System is ISO 9001 certified. g Q y y

Ansys, Inc and Ingeciber, S.A. have a long standing OEM Agreement and established a strategic alliance for FEA solutions i h i i d S ld id Cin the construction industry. Some worldwide Customers:

4

ANSYS Today

World’s Largest Simulation CommunityWorld s Largest Simulation Community

>10,000 Total Customers

>125 000 Commercial Seats


>60 000 Commercial Seats


>10 000 Commercial Seats>125,000 Commercial Seats >140,000 University Seats > 200 Channel Partners > 75 Industry Partners

>60,000 Commercial Seats >70,000 University Seats >20 Channel Partners >80 Industry Partners

>10,000 Commercial Seats

5

ANSYS/CivilFEM

ANSYS/CivilFEM combines the world leading general ANSYS/CivilFEM combines the world leading general purpose structural analysis features of ANSYS (ISO-9001) with high-end civil engineering-specific structural analysis capabilities of CivilFEM (ISO-9001).

Current Customers include: AREVA, AECOM, Parsons, L li E R bi W ti h

6

Leslie E. Robinson, Westinghouse

CivilFEM & ANSYS

7

Current CivilFEM Distributors

8

CAE Associates, Inc.

» One of first 4 ANSYS Channel Partners Since 1985…

» Engineering Co

9

» Engineering Co. Since 1981

CAE Associates – CivilFEM / ANSYS Partner

28 years Structural Thermal and Fluid engineering consulting 28 years Structural, Thermal and Fluid engineering consulting One of the original ANSYS Channel partners The US leader in ANSYS Finite Element Training The US leader in ANSYS Finite Element Training Custom Training of ANSYS and CivilFEM

10

Sampling of CAE Consulting Services

NIST – Structural Fire Response and Probable Collapse Sequence of the World Trade Center Towers Investigation

Steam Generator Replacement in Nuclear C t i t B ildi Containment Buildings

Pre-stressed Concrete Pipe Simulation Concrete Dam simulation to meet

FERC /C f E i li iFERC /Corps of Engineers licensing

11

CAE Associates Senior Technical Staff

Nicholas M. Veikos, Ph.D., President

Peter R. Barrett, M.S.C.E., P.E., Vice President

Michael Bak, Ph.D., Project Manager

P t i k C i h M S M E P j t MPatrick Cunningham, M.S.M.E., Project Manager

Steven Hale, M.S.M.E., Project Manager

James Kosloski, M.S.M.E., Project Manager, , j g

Hsin-Hua Tsuei, Ph.D., CFD Manager

Jonathan Masters, Ph.D., Project Manager

George Bauer, M.S.M.E., Project Manager

Eric Stamper, M.S.M.E., Project Manager

Michael Kuron M S M E Project EngineerMichael Kuron, M.S.M.E., Project Engineer

Lawrence L. Durocher, Ph.D., Director

12

ANSYS Strengths

Nonlinear Stress Analysis— Contact— Plasticity— Creep

L D fl i P D l Eff— Large Deflection – P-Delta Effects— Element Birth and Death

Full Element Library (over 200)B Pi & Sh ll— Beams, Pipes & Shells

— 2D and 3D Solids— Springs, Contact, etc

Dynamic Analysis— Response Spectrum— Nonlinear Transient Dynamics

Thermal-Stress Analysis— Indirect and direct coupled field simulations

Large Model Simulations

13

Large Model Simulations— Solvers, meshing, Postprocessing, Graphics

CivilFEM Strengths

CivilFEM Capabilities CivilFEM Capabilities— Entire suite of ANSYS capabilities including nonlinear analysis

and dynamicsB ilt i S ti P ti M t i l M d l d C d Ch ki— Built-in Section Properties, Material Models and Code Checking

Industry Specific CivilFEM Modules— Nonlinear Bridge Simulation— Pre-stressed Concrete— Geotechnical Applications including tunnelling

14

Geotechnical Applications including tunnelling— Nuclear Applications

ANSYS/CivilFEM Applications

481.73

0.00

52.65

-408.98

Tensiones en el pilono MPa Tension Fuerza Alargami MPa KN mm

1 -119.0 -116.6 0.02 -42.1 -41.2 0.03 -170.6 -167.2 0.04 -226.7 -222.2 0.05 15.4 15.1 0.06 672.4 659.0 0.07 1668.0 1634.7 0.0R 751.6 1262.6 1000.0

1 2 3 4 5 6 7R

Movimiento en cabezade pila = -1.008 m

481.73

0.00

52.65

-408.98

Tensiones en el pilono MPa Tension Fuerza Alargami MPa KN mm

1 -119.0 -116.6 0.02 -42.1 -41.2 0.03 -170.6 -167.2 0.04 -226.7 -222.2 0.05 15.4 15.1 0.06 672.4 659.0 0.07 1668.0 1634.7 0.0R 751.6 1262.6 1000.0

1 2 3 4 5 6 7R

Movimiento en cabezade pila = -1.008 m

32.46

-51.61

816.26

-59.81

9.72

-53.34

-fu -510.0

-fy -350.0

-fy/2 -175.0

0 0.0

fy/2 175.0

fy 350.0

fu 510.0

fctk -1.8

0 0.0

fcd/10 1.7

Traccion MPa

Compresion MPa

Traccion MPa

Tensiones en el cajon

Tensiones en la losa

flechas m -0.329 -0.988 -1.577 -1.030 -0.639 -1.338 -1.528

32.46

-51.61

816.26

-59.81

9.72

-53.34

-fu -510.0

-fy -350.0

-fy/2 -175.0

0 0.0

fy/2 175.0

fy 350.0

fu 510.0

fctk -1.8

0 0.0

fcd/10 1.7

Traccion MPa

Compresion MPa

Traccion MPa

Tensiones en el cajon

Tensiones en la losa

flechas m -0.329 -0.988 -1.577 -1.030 -0.639 -1.338 -1.528

15

4.71

-7.49

fcd/5 3.3

fcd/2 8.3

fcd 16.7

fck 25.0

Compresion MPa

H18: Pretensado de 1m en cables de retenida

4.71

-7.49

fcd/5 3.3

fcd/2 8.3

fcd 16.7

fck 25.0

Compresion MPa

H18: Pretensado de 1m en cables de retenida

ANSYS/CivilFEM Applications

16

CivilFEM INTRO Module Main Features

Material library & Section library Material library & Section library Easy Beam & Shell Postprocessor Smart Load Combination tool Code Checking & Design Shell/Solid Reinforcement Reinforced and mass concrete cracking / crushing Seismic tools Composite sections Export-Import of solid & beam sections Export-Import of solid & beam sections Connection with SAP2000 HTML and Excel connection

C3 ( ) Integration with FLAC3D (advanced soil mechanics)

18

CivilFEM Setup Options

Intuitive definition of any units system

Most international codes implemented

19

ANSYS/CivilFEM Material Library

Nonlinear / Time Dependent Material Properties

20

CivilFEM Material Library

ANSYS & CivilFEMANSYS & CivilFEMmaterial editingfrom one window

Automatic updating of

Generation of user-defined material

library

21

Automatic updating oftime dependent material properties


A complete library of Code materials: A complete library of Code materials:– CEB-FIP Model code– Eurocode No.2– Eurocode No.3– ACI 318 - 05– AISC– British Standard

UNE– UNE– ASTM– EHE– EAEA– Chinese code GB-50010– Chinese code GB-50017– Brazilian Code NBR6118– Indian Standard 456– Russian Cπ 52/101/03

22

User Material Library

The material properties are stored in a file named by the

useruser

Possibility of adding user databases in CivilFEM’s

material library.

23


Birth time

User defined material name

of materials

24


Non-LinearMaterials

With time-dependent t i l ti

25

material properties

Simulation of Construction Process

Perform real time construction process analysis Perform real time construction process analysis(Material birth and death)

• Distinguishing characteristic of CivilFEM:— Time of birth.

• Construction Process through material definition — (Activation and Deactivation time).

26


Visualization of time-dependent material properties

27


Advanced Concrete Modeling Advanced Concrete Modeling— Interface for SOLID65 element (non linear reinforced concrete element)

properties definition

28


Advanced Concrete Modeling Advanced Concrete Modeling

29


Advanced Concrete Modeling Advanced Concrete Modeling— Simplified and Accurate Creep Modeling

) St b t th da) Step by step method b) Effective modulus method

American Code ACI 209R 92—American Code ACI 209R-92—EHE—CEB -90 CODE—EUROCODE 2

30


Structural Steel

Thickness dependentdiagram and g

properties

31


Soils and Rocks Library Soils and Rocks Library

— Library with mechanical, elastic and plastic propertieselastic and plastic properties of characteristics soils and rocks (around 100).

— Defining, editing and modifying material laws not included in ANSYS (Atterberglimits Hoek & Brownlimits, Hoek & Brown coefficients, etc).

— Correlations among— Correlations among geotechnical parameters from tests results (elasticity module versus Standard Penetration T t (SPT) t )

32

Test (SPT), etc)


33

CivilFEM Materials – Command Block Example

CivilFEM Material Library and Units commands Accessed via GUI, y ,via commands or in Workbench via Command Block

34

ANSYS/CivilFEM Automation

Standard and User Defined Sections / Geometry Generation

a2

t 22 t

y

z

b1

t 22 t 21p21

p22

s31

1

p1

11

t 31

hL

vL vCL

hCL

hCU

vCU

t 41

vU vUr

hU hUr

vCUr

hCUr

hCLr

35

Tri-cell box section definition

a1

p11t 11

1

p12

a /20

vCLr

CivilFEM Sections Explorer

Definition of any type ofcross sections using a single

window

Compose cross sections by merging

36

Hot Rolled Shapes Library

Addition of

Quick search of adequate shape

Addition of user defined

hot rolled shapes

“Library of more

than 4,000

shapes”

37

Hot Rolled Shapes Library

Up to 3

Automatic search of

appropriate hproperties with

maximum and minimum values can be specified

shape

in the search

38

User Hot Rolled Shapes Library

Introduction of user’s own hot rolled shapes library into CivilFEM library by reading

a file or by menuf y

Just define the shape and dimensions of the section

39

User Hot Rolled Shapes Library

Mechanical properties are automatically calculated

40

Steel Sections by Plates

Any generic cross section shape can be defined

User friendly definitionof plate properties that

forms the section

41

Steel Section Edition

You may define a section reading its properties from library You may define a section reading its properties from library

Then you can modify its dimensions redefining this section as “section by dimensions or b plates”dimensions or by plates”.

And you can even edit its plates to transform the section from an existing one (changing dimensions).

42

Sections by Dimensions

Automatic definitionof section shape

Automatic definition of preliminary

reinforcementf

Helpful information aboutthe section geometry

43

Capturing 2D Sections

An easy way to define any generic composite beam section from a 2D

ANSYS meshed drawing - each element corresponds to a subgridYou can change corresponds to a subgridthe material of any

subgrid

Each subgrid adopts initiallythe material assigned

to its corresponding element

44

User Database of Cross Sections

The cross section dproperties are stored

in a file named by the user

Properties of the cross section are read and

listed in the active code and unit system.

45

y

Section Merging

It’ ibl t t ti iti f t i ti ti

The merged

It’s possible to create a section as a composition of two existing sections.

section will take into account all the properties of the t i iti l titwo initial sections.

46

Variable Cross Sections & Beam Offsets

Cross sectionnumber The user can define

offsets when the ffsection’s center of gravity does not

coincide with the node location

Tapered beams

Real constant list

47

Real constant list

ANSYS/CivilFEM Beam Results

Example Beam Results from Example Beam Results from CivilFEM— Shear— Peak Stress— Section Data

48

ANSYS/CivilFEM Code Checking & Design

49

ANSYS/CivilFEM Code Checking & Design

Example Code Checkp— Load Combinations Wizard— Pass / Fail

Safety Factor Plots— Safety Factor Plots

50

Bridge Module Main Features

Concrete Creep and Shrinkage Concrete Creep and Shrinkage Bridge layout modelling (in plan and elevation view) Utilities for generating common bridge sections and

la o t designlayout design Geometric and finite element model generation for

either Beams or Shells or 3d Solid elements Loads Generation

— Overloads— Moving loads (vehicle’s editor)— Utility for Prestressed forces input— User loads

Automatic Loads combination Simulation of construction process

52

CivilFEM Bridge Module

53

Bridge Cross Sections

Create different bridge section using the CivilFEM Create different bridge section using the CivilFEM

SECTION 1: BOX

SECTION 2 6

SECTION 1: BOX

SECTION 2: 6 HOLES

SECTION 3: 7 HOLES

SECTION 4: 6 HOLES

54

Bridge Components

ANSYS/CivilFEM allows a detailed analysis of piers, y p ,cross bracings, diaphragms, etc.

55

Loads Generation (Traffic Loads)

Vehicles: Rigid (truck) or flexible (train, adaptable to the path)g ( ) ( p p ) User friendly path definition: road surface and road axis are automatically

detected by the program

56

Loads Generation (Prestressing Cables)

Definition of points along the cable’s path (automatic adjustment of the Definition of points along the cable s path (automatic adjustment of the points using splines)

Introduce the tensile force at specific locations in the tendon’s pathA tomatic transfer of the cable action to the str ct re Automatic transfer of the cable action to the structure

P' 1 P'N

P

P

PP

P1

2

k+2k+1

NPk

OP

Rz

MRz

MR Kfz

T1

1

3D spline generation x

RMR

y

x

c.d.g.R

y

Kfx

Kfy

T2

2

57

Transmision of the cable actions to the model

Cable Stayed Bridge Wizard

Nonlinear Construction Process Analysis: Nonlinear Construction Process Analysis:

YX

Y

XY

Z

XZ

XZ

MN

MX

XY

Z

58

3D Tendon Geometry Editor

Allows the definition and editing of the geometric and strength properties Allows the definition and editing of the geometric and strength properties of all tendons. Edited is either graphically or by coordinates. All features can be driven via commands.

Tool Bar

Elevation

Object Tree

Elevation View

Info/Edit Window

59

Plan View

Prestressed Forces, Moments & Stresses

Stresses in the support and in the middle of span.

60

Geotechnical Solutions

Nonlinear Materials Nonlinear Materials Slope Stability Seepage Earth Pressure Pile Wizard Retaining Wall Wizard Tunnels Water Table

Definition of

62

each layer property

Geotechnical Module Capabilities

Geotechnical properties library for soils and rocks Geotechnical properties library for soils and rocks Foundations (Pile/micro pile cap) Retaining wall generation and design (Sheet Piles) Underground structures (tunnels) Slope stability analysis Seepage analysis Integration with FLAC3D (available in CivilFEM INTRO)

63

Geotechnical Module Capabilities

Large 3d Nonlinear Material Finite Element Modeling Large 3d Nonlinear Material Finite Element Modeling

64

Deep Foundations

Pile Cap Wizard: Pile Cap Wizard: — Automatic generation of rectangular, polygonal or circular pile groups

65

Foundations & Dams

Footing and continuous foundations: Footing and continuous foundations:— - 2D/3D soil-structure interaction models

Dams

66

Wizard for Tunnel Design

Tunnel section PLOT NO. 1-909.174-878.511-847.848-817.185-786.522-755.859-725.196-694.533-663.87-633.207

COL 3

Tensión vertical. Frente de avance

Longitudinal Section

Vertical Stress. Tunnel Advancement

Forces and Moments on Concrete

COL 1

COL 2

PLOT NO. 1-.018494-.014481-.010468-.006455-.002443.00157.005583.009596.013609.017621

COL 2

Forces acting on Movimiento vertical. Frente de avanceVertical Movement. Tunnel Advancement

67

concrete tunnel LongitudinalSection

Underground Structures (Tunnels)

Element Birth and Death capability (non-linear construction sequence Element Birth and Death capability (non-linear construction sequence analysis)

1

68

11CERROGORDO

ANSYS/CivilFEM Nuclear Applications

Nuclear codes : Nuclear codes : — ACI 349.— ACI 359 Sec. 3 Division 2.— ANSI/AISC N690.— ASME B&PV Code Section III, Subsection NF.— AISC Code ASD 9th Edition

69

CivilFEM ACI 359 Code Checking

70

ACI 359 Code Check Example

71

Solid to Shell Data Mapping

Solution Results and Design Results Solution Results and Design Results

72

ANSYS/CivilFEM Nuclear Applications

Analysis of concrete nuclear facilities, including determination of stresses in t d b i h ll/b i k l t bj t d t i l h / bconcrete and rebar in shell/brick elements subjected to in-plane shear/membrane

forces and biaxial bending moments.

Able to model any structure inside a nuclear plant including: Able to model any structure inside a nuclear plant including: — Generator pedestals— Pipe support systems— Cable traysy— Containment buildings— Pressure vessels— Underground waste storage tanks

73

Seismic Analysis

Push-Over Analysis100º110º120º130º

AASHTO LRFDBridge Design Specifications

N /CivilSYS FEM

2 50E 01

3,00E-01

3,50E-01

4,00E-01

4,50E-01

ADRS Format Spectrum

IPE 100

55

2.5

40

5

15

6060

CANADA

100º110º120º130º

50º

Bridge Design Specifications (Western USA)

5,00E-02

1,00E-01

1,50E-01

2,00E-01

2,50E-01Sa Con rigidizadores

40

15

5

8060

505

5

5

2.5

2.5

5

2.5

2.5

40º

30º

AAcceleration Coefficient

Seismic Zone

74

0,00E+000,00E+00 1,00E-02 2,00E-02 3,00E-02 4,00E-02 5,00E-02 6,00E-02 7,00E-02 8,00E-02

SdTropic of Cancer

52.5

MÉXICO

1

2

3

4> 0.29

> 0.19 and < 0.29

_> 0.09 and < 0.19

_

< 0.09

_

Example SAP to ANSYS Model Conversion

75

Example SAP to ANSYS Model Conversion

SAP2000SAP2000

ANSYS Modal Analysis

y

z

y

SAP ANSYS

76

civilfem overview

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