dif sek - server firefire.fsv.cvut.cz/difisek/cz_en/wp4-cz_en_pp.pdf · dif sek part 4 software for...
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DIF SEKDIF SEKPART 4
SOFTWARE FOR FIRE DESIGN
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Fire design objectiveFire design objectiveFire design objectiveFire design objective
RRresistance of the structures submitted to fireresistance of the structures submitted to fire
RRRreqresistance required to the structures for being safe
Rreqresistance required to the structures for being safe
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RR Chain of events during a fireChain of events during a fireRR Chain of events during a fireChain of events during a fire
Loads
Θ
Steell
time2: Thermal action 3: Mechanical actions
columns
1: Ignition
R
4: Thermalresponse
time5: Mechanical
response6: Possible collapseresponse response collapse
Calculation methodologies - EurocodesCalculation methodologies - Eurocodes
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RR Safety criterionSafety criterionRreqRreq Safety criterionSafety criterion
Rrequired: “R” is assumed to be satisfied where the load bearing function is
maintained during the required time of firemaintained during the required time of fire exposure.
Prescriptive approach: national fire regulations
Performance based approach:
fire safety engineeringg y g g
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Fire design software - ClassificationFire design software - Classification
The most common classification of them is broken down in five t icategories:
Fi th l d l• Fire thermal models• Fire resistance models RR
• Egress models RreqRreqg• Detector response models• Miscellaneous models
req
(performance based)
req
(performance based)
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Fire thermal modelsFire thermal modelsFire thermal modelsFire thermal models
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Fire thermal modelsFire thermal models
Fire thermal modelsStandard temperature – time
curveNominal
temperature – curveExternal fire curve
temperature time curves(Prescriptive
rules) Hydrocarbon curverules) y
CompartmentfiresSimplified fire
modelsNatural fires modelsLocalised fires
Zone models
Natural fires(Performancebased rules) Advanced fireAdvanced fire
models Field models
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Zone modelsZone modelsZone modelsZone models
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Zone modelsZone models
There are two principal types of zone models:
• Two Zone models: fire compartment considered as divided in two zones (hot - cold) with homogeneous properties
O Z d l fi t t id d f• One Zone models: fire compartment considered as a furnace Z There are one compartment
models (only oneH Capa superior
QC
QR
mU , TU, VU, EU, ρU
models (only one compartment) and multi-compartment models (considered several adjoining
Q mp
ZS
ZP
mOUT,U
mOUT,L mOUT,L
mIN,L mL , TL, VL,
p
(considered several adjoining compartments)
Resolution of equations0
Capa inferior
L , L, L, EL, ρL Resolution of equations
- Mass balance- Energy balance
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Zone models - OzoneZone models - Ozone
Software sheet – general description Name OZoneName OZoneVersion 2.2.2 Year 2002 Country Luxembourg Language English System Windows Size 5 MBSystem Windows Size 5 MBAuthors J. F. Cadorin, J. M. Franssen (Uni. Liège)
L.G. Cajot, M. Haller, J.B. Schleich Organisation Arcelor LCS Research CentregApplication field Fire Thermal model - Zone Availability Free – www.ulg.ac.be
Free – www.sections.arcelor.com Contact Arcelor ASC: [email protected] Based on mass and energy balance equationsShort description Model to predict the thermal action of a
d fi d fi H t t f t i l t ldefined fire. Heat transfer to simple steel elements and time to collapse (EN 1993-1-2) incorporated
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Ozone - Main menuOzone - Main menu
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Ozone - Case studyOzone - Case study
Fire scenario: fire in a restaurant at third storeyDesign fire: fully developed fire tα growth phaseDesign fire: fully developed fire - tα growth phaseObjective: fire resistance of steel beams (Requirement of R90)
Fi t t d fi itiFire compartment definition:
Fire area
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Ozone - Input data: Definition of FireOzone - Input data: Definition of Fire
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Ozone - Input data: Criteria for switching from 2 zones to 1 zoneOzone - Input data: Criteria for switching from 2 zones to 1 zoneCriteria for switching from 2 zones to 1 zoneCriteria for switching from 2 zones to 1 zone
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Ozone - OutputOzone - Output
Switch from 2 zones to 1 zone:Switch from 2 zones to 1 zone:120”(fire governed by ventilation)
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Field modelsField modelsField modelsField models
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Field modelsField models
Fi Fi ld M d lFire Model
Fire Field Model
CFD Code+
General description of fire phenomenon.
Physical variables description.
Specific CFD
CFD C d T
Physical models adjusted to fire problems:
SOFIE, FDS...
CFD Code Types General CFD
More physical models and material properties, selected and adjusted by user to fire modelling: Fluent, CFX,PHOENIX..
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Field models - FluentField models - Fluent
Software sheet – general descriptionName FluentVersion 6.1.22 Year 2004Version 6.1.22 Year 2004Country USA Language EnglishSystem Windows/UNIXOrganisation Fluent IncOrganisation Fluent Inc.Application field Fire Thermal model - Field.Availability Commercial softwareContact www.fluent.comContact www.fluent.comFormulation Based on mass and energy balance
equations.Short description General purpose CFDp p p
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Fluent - Input dataFluent - Input data
Definition of materials, physical models and boundary conditions is required. Some of them shown in this slide
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Fluent- Output dataFluent- Output data
User friendly pre and postRadiation values
User friendly pre and post processing, but a deep knowledge on fire engineering
d CFD i i dand CFD is required.Examples of post processing
Predicted steel temperaturesSmoke control: CO concentration
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Fire resistance modelsFire resistance modelsFire resistance modelsFire resistance models
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Fire resistance models (FRM)Fire resistance models (FRM)Fire resistance models (FRM)Fire resistance models (FRM)
Structural design procedure Tabulated Simplecalculation AdvancedStructural design procedure data calculationmethods methods
Member analysis YES YES YESCalculation ofmechanical
Analysis of partof the structure
mechanicalactions andboundaries NO YES (if
available) YESPrescriptivebased rules
Anal sis of entire Selection ofAnalysis of entirestructure mechanical
actionsNO NO YES
Member analysis NO YES (ifavailable) YESCalculation ofy available)
Analysis of partof the structure
mechanicalactions andboundaries NO NO YESPerformance
based rules
Analysis of entirestructure
Selection ofmechanical
actionsNO NO YES
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Simplified FRM - ElefirSimplified FRM - Elefir
Software sheet general description
Simplified FRM ElefirSimplified FRM Elefir
Software sheet – general descriptionName Elefir Version 2.1 Year 1998 Country Belgium Language EnglishCountry Belgium Language EnglishSystem Windows Size 8 MB Authors D. Pintea, L. Mievis, G. Gustin, J. M.
FranssenFranssenOrganisation University of Liege Application field Fire resistance model (simplified) Availability Free – www.ulg.ac.beAvailability Free www.ulg.ac.beContact University of Liege - www.ulg.ac.be Formulation Based on EN 1993-1-2 (eurocode 3) Short description Software for the calculation of the fire p
resistance of simple steel elements made of open sections.
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Elefir - Main menuElefir - Main menu
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Elefir - Input dataElefir - Input data
Load input window
Protection input pwindow
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Elefir - Output dataElefir - Output data
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Simplified FRM - PotfireSimplified FRM - Potfire
Software sheet – general descriptionSoftware sheet general descriptionName Potfire Version 1.11 Year 2001 Country France Language EnglishCou t y a ce a guage g sSystem Windows Size 15 MB Authors G. Fouquet, G. Tabet, B. Zhao, J.
KruppappOrganisation CTICM, CIDECT, TNO Application field Fire resistance model (simplified) Availability Free – www.cidect.org Contact CIDECT - www.cidect.org Formulation Based on EN 1994-1-2 Annex G Short description Fire resistance duration of
t t d fill d h ll tiunprotected filled hollow section columns
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Potfire - Main menu/Input-output dataPotfire - Main menu/Input-output datap pp p
2º
1º
3º
4º
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Simplified FRM - AFCCSimplified FRM - AFCC
Software sheet – general description Name AFCC Version 3.06 Year 2004 Country Luxembourg Language English System Windows Size 2.5 MB Authors H. Colbach Organisation Arcelor LCS Research Centre Application field Fire resistance model (simplified) Availability Free – www.sections.arcelor.com Contact Arcelor ASC: [email protected] Based on EN 1994-1-2 Short description Composite columns fire design
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AFCC - Main menu/input dataAFCC - Main menu/input datapp
Panel control.
Reinforced steel
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AFCC - Output dataAFCC - Output data
Results Write report
Drawing detail
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Simplified FRM - AFCBSimplified FRM - AFCBSimplified FRM AFCBSimplified FRM AFCB
Software sheet – general description Name AFCB Version 3.07 Year 2004 Country Luxembourg Language English System Windows Size 3 MB Authors H. Colbach Organisation Arcelor LCS Research CentreApplication field Fire resistance model (simplified) Availability Free – www.sections.arcelor.com C t t A l ASC t @ lContact Arcelor ASC: [email protected] Based on EN 1994-1-2 Short description Composite beams fire design
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AFCB - Main menu / input dataAFCB - Main menu / input datapp
Panel control.
Reinforced steel
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AFCB - Output dataAFCB - Output data
Results Write report
Drawing detail
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Advanced calculation methodsAdvanced calculation methods
The advanced calculation methods have three principal phases
Definition of the structure (finite elements)
The advanced calculation methods have three principal phases
Pre-processingelements)
Material definition (linear/non-linear)
Selection of mechanical and thermal actions and boundaries..
Processing - calculation phase
Post-processing - output reporting
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Advanced FRM - SafirAdvanced FRM - SafirAdvanced FRM SafirAdvanced FRM Safir
Software sheet – general descriptionName SafirVersion 9.8 Year 2002Country Belgium Language EnglishSystem Fortran/Visual Basic Size ----Authors J. M. FranssenOrganisation University of LiegeApplication field Fire resistance model (advanced)Availability Commercial softwareContact [email protected] Finite element codeShort description Finite element model for the behaviour of
h i fithe structures in fire.
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Advanced FRM - AnsysAdvanced FRM - AnsysAdvanced FRM AnsysAdvanced FRM Ansys
nSoftware sheet – general descriptionName AnsysVersion 8.1 Year 2003Country U.S.A Language EnglishSystem ----- Size ----Authors -----Organisation ANSYS Inc.Application field Fire resistance model (advanced)Availability Commercial softwareContact Ansys – www.ansys.comFormulation Finite element codeShort description General purpose software
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Advanced FRM - Example: AbaqusAdvanced FRM - Example: AbaqusAdvanced FRM Example: AbaqusAdvanced FRM Example: Abaqus
Software sheet – general descriptionName AbaqusVersion 6.3 Year 2003Country U.S.A Language EnglishSystem MS-DOS Size ----Authors Hibbitt, Krlsson and SorensenOrganisation ABAQUS Inc.Application field Fire resistance model (advanced)Availability Commercial softwareContact Abaqus – www.abaqus.comFormulation Finite element codeShort description General purpose software
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SAFIR/ANSYS/ABAQUS - Case studySAFIR/ANSYS/ABAQUS - Case study
Fire scenario: fire in an industrial buildingDesign fire: ISO curveDesign fire: ISO curve Objective: definition of fire resistance of the whole structure and the influence of the affected zone on the rest of the structure.
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SAFIR/ANSYS/ABAQUS - Case studySAFIR/ANSYS/ABAQUS - Case study
2D
Deformed shape without amplification (static mode)Deformed shape without amplification (static mode)
Deformed shape without amplification (dynamic mode)
A i l f N bi th th ff t
(dynamic mode)Left frame collapse towards inside of
the building.
Axial force - No bigger than the effect of the wind in service condition.
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SAFIR/ANSYS/ABAQUS - Case studySAFIR/ANSYS/ABAQUS - Case study
3D - With more than one frame without hot purlins
Deformed shape(x10) - The purlins support the frame submitted to fire
3D - With more than one frame with hot purlins
Deformed shape without amplificationAxial load
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SAFIR/ANSYS/ABAQUS - Case studySAFIR/ANSYS/ABAQUS - Case study
3D - With more than one frame with hot purlins (Dynamic)
A dynamic analysis allow us to predict the collapse phase
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Egress and detector response modelsEgress and detector response modelsEgress and detector response modelsEgress and detector response models
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Egress models - ExodusEgress models - ExodusEgress models ExodusEgress models Exodus
Software sheet – general descriptionName ExodusVersion 4.0 Year 2004Country England Language EnglishSystem Windows Size -----Authors E. Galea, St. Gwyne, S. Blake,
L. FilippidisOrganisation University of GreenwichApplication field Egress modelAvailability Commercial – www.fseg.gre.ac.ukContact [email protected] -----Sh t d i ti E d l b d hShort description Egress model based on human
behaivour
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Egress models - EXODUS Egress models - EXODUS
•Simulation allow user to asses the level of safety along the y gevacuation.
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Egress models - EXODUS Egress models - EXODUS
Simulations can be viewed with the post processing toolResults: Simulations can be viewed with the post-processing tool VR-EXODUS
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Detector response models - JetDetector response models - JetDetector response models JetDetector response models Jet
Software sheet – general descriptionName JetVersion 1.0 Year 1999Country U.S.A Language EnglishSystem Windows Size 4 MBAuthors W. D. DavidsOrganisation NIST (National Institute of Standards and
T h l )Technology)Application field Detector response modelsAvailability Free – www.fire.nist.gov C t t NIST fi i tContact NIST - www.fire.nist.gov Formulation Zone model based on code LAVENT
Algorithm for plume centerline temperatureAlgorithm for ceiling jet depending onAlgorithm for ceiling jet depending onsmoke layer depth
Short description Sprinkler response – Time to activation
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Jet - Main menu / input dataJet - Main menu / input data
Sprinkler properties
VentsCompartment
Design fire
Parameters
Design fire
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SOFTWARESOFTWARE
IN CZECH/ENGLISH LANGUAGEIN CZECH/ENGLISH LANGUAGE
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Software available in Czech/English languageSoftware available in Czech/English language
Freeware www.access-steel.czCalculation of parametrical temperature curve
Heat transferHeat transfer to protected and unprotected steel elements
Fire resistanceof steel elements
Commercial software www.fine.czFin 10 - Steel Fire
Czech and English languages
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Parametrical temperature curveParametrical temperature curve
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Heat transferHeat transfer
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Fire resistanceFire resistance
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Fin10 - Steel Fire - Input dataFin10 - Steel Fire - Input data
Inp t of fire protection dataDIF SEK 53 / 54
Input of fire protection data
Part 4: Software for Fire Design
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Fin10 - Steel Fire - Output dataFin10 - Steel Fire - Output data
O tp t fire resistanceDIF SEK 54 / 54
Output - fire resistance
Part 4: Software for Fire Design
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Thank you for your attentionThank you for your attentionThank you for your attentionThank you for your attention
DIF SEK Part 4: Software for Fire Design