Discharge, dispersion, fire and explosion modelling
KFX
Advanced dispersion and fire modelling involving 3D geometries and terrains
EXSIM
Advanced explosion modelling involving 3D geometries and terrains
Consequence analysis method
Phast
KFX
EXSIM
Phast
Free-field emprical and phenomenological models
KFX
Computational Fluid Dynamics (CFD)
EXSIM
Computational Fluid Dynamics (CFD)
Great for
Phast
KFX
EXSIM
Phast
Accident and incident investigation
ALARP demonstration
Consequence estimation for HAZOP, HAZID, PHA, LOPA
Consequence input to your own QRA tool
Emergency response planning
Equipment design
Escalation assessment
Extent and severity assessment
Facility siting and layout optimisation
Hazardous area classification
Regulatory obligations (e.g. safety reports)
Vent and flare design
Other general consequence estimation
KFX
Advanced facility siting and layout optimisation
ALARP demonstration
Detailed design of fire mitigation measures
Detailed understanding of dispersion and fires where geometries and terrains play an important role
Impact assessment for firewalls, water mists, water curtains, deluge, monitors and sprinklers
Optimisation of passive fire protection (PFP)
Smoke analysis
EXSIM
Advanced facility siting and layout optimisation
ALARP demonstration
Detailed understanding of explosions where geometries and terrains play an important role
Detailed design of explosion mitigation measures
Impact assessment for blast walls and explosion relief panels
What you get
Phast
KFX
EXSIM
Phast
40+ scenario types
Constant and time-varying discharge models, including effects of isolation and blowdown
Weather definition (wind speed, atmospheric and substrate conditions)
2000+ materials from the DIPPR database
User-specified materials
Excel import for efficient study creation
Map / plot plan import
GIS coordinate systems
Buildings for wake model or in-building releases
Congested regions on the map for explosion modelling*
Results in the form of dispersion concentrations, flame length, pool diameter, thermal radiations, flash fire, explosion overpressure and impulse, and toxic probit, dose and lethality
Results presented in reports, 2D graphs, a 3D viewer, on maps or plot plans, and in tabular format
* Available with Phast Explosion extension only
KFX
Gas release model with or without ignition
Liquid pool spread model including calculation of evaporation rate
Spray model for liquid and two-phase releases
User-specified ignition point
Spray model for modelling of fire mitigation by the use of water systems such as sprinklers and deluge
Import of 3D geometry models and terrain models from common CAD formats
Results presented together with the 3D geometry model
High resolution heat load footprints on objects and structures
Realistic visualisation of fires and gas clouds in a 3D viewer
Calculation of equivalent stoichiometric gas cloud size as input to CFD explosion simulations
EXSIM
Efficient case generation and simulations
Uses the same 3D geometry format as KFX
Results presented together with the 3D geometry model
Overpressure vs time at specified locations
Average blast loads to walls and objects
High resolution footprints of overpressure and drag forces on objects and structures
Extensions available
Phast
KFX
EXSIM
Phast
Phast Explosions
Phast Multi-Component
Phast CFD - pool fire
Phast CFD - jet fire
KFX
FAHTS for export of heat loads to USFOS for structural response calculations and optimised design of passive fire protection