COST CYPHER Training School on the
Analysis, uncertainty quantification, validation,
optimization and reduction of combustion kinetic mechanisms

2-5 September, 2025    Budapest, Hungary

Program of the Training School

Lectures

Computer sessions

Poster session

Social activity

Schedule

September 2
Tuesday
September 3
Wednesday
September 4
Thursday
September 5
Friday
8:00-8:30
registration



8:30-9:30
lecture 1-1
Turányi
lecture 2-1
Tomlin
lecture 3-1
Nagy
8:30-9:30 practice 4-1
Nagy
9:30-9:45
short break
short break short break 9:30-10:00 break with refreshments
9:45-10:45
lecture 1-2
Turányi
lecture 2-2
Tomlin
lecture 3-2
Goussis
10:00-11:00 practice 4-2
Szanthoffer
10:45-11:00 break with refreshments break with refreshments break with refreshments 10:00-11:30 break with refreshments
11:00-12:00 lecture 1-3
Tomlin
lecture 2-3
Nagy
lecture 3-3
Goussis
11:30-12:30 practice 4-3
Nagy
12:00-12:15
short break
short break short break
12:15-13:15 lecture 1-4
Szanthoffer
lecture 2-4
Stagni
lecture 3-4
Tomlin
13:15-14:30 lunch break lunch break lunch break
14:30-15:30
poster session practice 2-1
Papp
practice 3-1
Tomlin
15:30-16:00
poster session break with refreshments break with refreshments
16:00-17:00
poster session
practice 2-2
Valkó
practice 3-2
Dinelli
18:00-21:00


networking event

Lectures

Tuesday 1-1 (Turányi)
Reaction kinetics basics for combustion simulations; local sensitivity analysis

Tuesday 1-2 (Turányi)
Uncertainty of data and parameters
(uncertainty of combustion measurements, rate coefficients, Arrhenius parameters and thermodynamic data)

Tuesday 1-3 (Tomlin)
Chemical kinetics data
(sources of data, conventional and automatic mechanism generation (AMG), use of machine learning in AMG and rate constant estimation)

Tuesday 1-4 (Szanthoffer)
Validation of detailed combustion mechanisms

Wednesday 2-1 (Tomlin)
Global uncertainty analysis 1
(screening methods; Monte Carlo methods and structured sampling approaches using Latin hypercube and low discrepancy sampling sampling)

Wednesday 2-2 (Tomlin)
Global uncertainty analysis 2
(variance based sensitivity indices, HDMR, polynomial chaos methods)

Wednesday 2-3 (Nagy)
Optimization of detailed combustion mechanisms

Wednesday 2-4 (Stagni)
Curve matching, Surface matching optimization

Thursday 3-1 (Nagy)
Reduction of reaction mechanisms 1
(creation of skeleton mechanisms)

Thursday 3-2 (Goussis)
Reduction of reaction mechanisms 3
(time scale analysis, methods based on time-scale separation)

Thursday 3-3 (Goussis)
Reduction of reaction mechanisms 4
(methods based on time-scale separation: CSP, ILDM, ISAT, REDIM)

Thursday 3-4 (Tomlin)
Reduction of reaction mechanisms 2
(fitted models, in-situ tabulation and species lumping)

Hands-on computer sessions

Please bring your Windows or Linux laptop with all codes preinstalled.

The suggested codes include MATLAB, Fortran and C++ source codes, Windows and Linux executable files (see the table below).

Wednesday P2-1 (Papp)
CombustionData and ReSpecTh web sites

Wednesday P2-2 (Valkó)
k-evaluation web page

Thursday P3-1 (Tomlin)
High Dimensional Model Representation
GUI-HDMR code

Thursday P3-2 (Dinelli)
POLIMI codes: OpenSMOKE++, OptiSMOKE++

Friday P4-1 (Nagy)
Skeletal mechanism reduction in practice

Friday P4-2 (Szanthoffer)
Using the Optima++ code for mechanism validation

Friday P4-3 (Nagy)
Using the Optima++ code for mechanism optimization

Master table of the codes:

name session format available from
CombustionData Wed P2-1 (Papp) web site https://combustiondata.elte.hu
ReSpecTh Wed P2-1 (Papp) web site https://respecth.hu
k-evaluation Wed P2-2 (Valkó) web site https://k-evaluation.elte.hu
GUI-HDMR Thu P3-1 (Tomlin) MATLAB executable https://respecth.hu
OpenSMOKE++ Thu P3-1 (Dinelli) executable
(Windows and Linux)
https://www.opensmokepp.polimi.it
SEM Fri P4-1 (Nagy) executable
(Windows and Linux)
http://respecth.hu
Optima++ Fri P4-2 (Szanthoffer)
Fri P4-3
(Nagy)
executable
(Windows and Linux)
http://respecth.hu

Poster session

Social activity

Main topics

Hungarian Section

The COST Training School on the Analysis of Combustion Mechanisms is hosted by the Hungarian Section of the
Combustion Institute

Hungarian Section

Recommended reading

Tamás Turányi and Alison S. Tomlin:
Analysis of kinetic reaction mechanisms
Springer, 2014
with 1025 references

Springer book