PhD student seminar on fire simulation, hosted by HSE

2 Feb 2017, 08:00 → 3 Feb 2017, 17:00 Europe/Zurich

160/1-009 (CERN)

Meeting of Ph.D. students in the field of fire simulation. Participants are from BAM, Forschungszentrum Juelich and Universities of Naples, Padova, Pisa and Wuppertal

Thursday 2 February

08:00 → 09:00 Breakfast at CERN Restaurant 1

For those who would like to participate, on own expense.

09:30 → 10:00 Introduction: Arrival, Visitor cards, organisational things, ...

Welcome the participants and discuss organisational things.

10:00 → 11:45 Introduction

Welcome the participants and discuss organisational things.

10:00 Organisational aspects

Speaker: Tristan Hehnen (Bergische Universitaet Wuppertal (DE))

2017-02-02_IntroOrga.pdf

2017-02-02_IntroOrga.pptx

10:15 Welcome and Introduction

Participants are welcomed at CERN and an introdcution to CERN and safety at CERN is given.

Speaker: Saverio La Mendola

10:45 → 11:30 Presentations of the first day

Participants present their work during 20 min, afterwards 10 min of discussion.

10:45 Towards smoke and fire simulation with grid adaptive FEM

The status of a newly developed CFD framework with grid adaptive FEM will be presented, which includes the verification of its flow solver as well as scaling on the JURECA supercomputer.

Speaker: Marc Fehling

11:30 → 13:00 Lunch at CERN Restaurant 1

For those who would like to participate, on own expense.

13:00 → 15:00 Additional space

13:00 → 13:45 Visit ATLAS: Group Yellow

Visit the ATLAS experiment at the LHC.
Two groups with 12 persons, each.

13:40 → 14:25 Visit ATLAS: Group Blue

Visit the ATLAS experiment at the LHC.
Two groups with 12 persons, each.

14:45 → 18:30 Presentations of the first day

Participants present their work during 20 min, afterwards 10 min of discussion.

15:00 Coffee

15:15 JuROr — Real-Time Simulation and Prognosis of Smoke Propagation using GPUs: Towards 3D and complex geometries

After a short introduction of the project’s motivation, the applied methods and tools for real-time smoke simulation are introduced.
Then, acceleration results for 2D and 3D test cases are shown and next steps towards complex geometries are touched on briefly.

Speaker: Anne Severt

15:45 Application of experimentally determined combustion efficiencies in a FDS-Model

Finding an appropriate method to use combustion efficiencies in an FDS-Model.
Investigate the influence of different combustion efficiencies on the temperature rise inside a building component.

Speaker: Christian Kusche

16:15 Optimization strategies in fire simulation

A Comparison of different optimization algorithms for material parameter estimation is presented. The presentation covers the overall workflow in a parallel computing environment, the performance and accuracy of the algorithms and their special characteristics.

Speaker: Patrick Lauer

16:45 Break

17:00 Material Parameter Optimisation for Cable Fire Simulation

An overview on simulating the cone calorimeter test in FDS is given. Based on data from the CHRISTIFIRE project, an evolutionary algorithm is used to create input parameter sets to be used in large scale fire simulation, later on.

Speaker: Tristan Hehnen (Bergische Universitaet Wuppertal (DE))

2017-02-02_PhDSeminar_ParaOpt.pdf

2017-02-02_PhDSeminar_ParaOpt.pptx

17:30 Simulation of organic peroxide fireballs using ANSYS CFX

Simulation of organic peroxide fireballs with ANSYS CFX and comparison to experimental data.

Speaker: Paul Blankenhagel

18:00 Buoyancy Driven Flow in an Underground Metro Station

Investigation on the baseline flow field in an underground metro station utilising simulation software ANSYS CFX and FDS.

Speaker: Matthes Dietrich

19:30 → 21:30 Social event

Social event for the participants who would like to participate; on own expense. Most likely restaurant/pub in Geneva - to be determined.

Friday 3 February

07:30 → 08:30 Breakfast at CERN Restaurant 1

For those whou would like to participate, on owen expense.

08:30 → 11:45 Presentation of the second day

Participants present their work, 20 min presentation and 10 min discussion afterwards.

08:30 The Structural Behaviour of Fibre Reinforced Polymer (FRP) for Reinforced Concrete (RC) Structures in Fire

Ambient and fire tests on RC slabs with Glass-FRP bars and conceptual approach to fire safety checks for bending moment resistance of FRP-RC members.

Speaker: Antonio Bilotta

09:00 Fire Inside an Underground Station - Experimental and Numerical Investigations

Speaker: Stephan Amecke-Mönninghoff

09:30 Coffee

09:45 Fire Dynamics in Tunnels: Temperature Distribution and Structural Behaviour

Study of the temperature distribution in space and time beneath a tunnel ceiling subject to a transient fire. Including a description of the structural behaviour of tunnels under fire and the possible failure modes that could be used to estimate the probability of failure of the tunnel.

Speaker: Francesco Rosignuolo

10:15 Numerical Simulation of Fire in Tunnel: from Fire Scenario to Structural Response

Structural analysis of concrete at high temperature and fire-structure interaction.

Speaker: Matteo Pachera

10:45 The Structural Behaviour of Tunnels in Fire

The thermo-mechanical computer modelling for the fire safety of concrete tunnels.

Speaker: Roberto Souza

11:15 Meta Model for Complex Fire and Evacuation Models

Presentation of a meta (or surrogate) model that interpolates the fatalities, determined in few discrete scenarios by complex fire and evacuation models, to any arbitrary scenario. An advanced Latin-Hypercube design is utilised and its model uncertainty will be described.

Speaker: Florian Berchtold

09:30 → 09:45 Coffee break

11:45 → 13:15 Lunch at CERN Restautant 1

For those who would like to participate, on own expanse.