CERFACS CERFACS Scientific Activity Report Jan. 2010 â Dec. 2011

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3 Data assimilation for atmospheric chemistry 77 3.1 Toward operational analyses and reanalyses of European air quality . . . . . . . . . . . . 77 3.2 Toward the global assimilation of atmospheric data from new generation instruments . . . 79 3.3 Background error covariance matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 3.4 Development of linear chemistry schemes . . . . . . . . . . . . . . . . . . . . . . . . . . 82 3.5 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 4 Data assimilation for hydraulics and hydrology 84 4.1 Flood forecasting improvement : data assimilation applications in hydrology for short time scales at regional scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 4.2 Simulation and forecast of the hydraulic state of a river using data assimilation with the 1D hydraulic model MASCARET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 4.3 Investigation for the use of data assimilation techniques to improve the modeling of the hydrodynamics of the Berre lagoon with TELEMAC 3D . . . . . . . . . . . . . . . . . . 88 4.4 Investigate the use of satellite measurements in conjunction with in situ data to improve water ressources studies in the framework of data assimilation in large scale hydrology . . 88 4.5 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 5 Data assimilation for forest fire 90 5.1 Flame speed correction using airborne fire observations . . . . . . . . . . . . . . . . . . . 90 5.2 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 6 Data assimilation with EDF neutronic models 91 6.1 Data assimilation for field reconstruction . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 6.2 Robustness of data a assimilation respect to the number of measurements . . . . . . . . . 91 6.3 Determination of the most important instrument for nuclear core reconstruction . . . . . . 91 6.4 Optimisation of the instrument network for the nuclear core . . . . . . . . . . . . . . . . . 92 6.5 Sensitivity of the data assimilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 6.6 Parameter estimation through data assimilation . . . . . . . . . . . . . . . . . . . . . . . 92 6.7 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 7 Publications 94 7.1 Conference Proceedings and Book Chapters . . . . . . . . . . . . . . . . . . . . . . . . . 94 7.2 Journal Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 7.3 Technical Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 7.4 PhD Thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 4 Coupling tools and HPC Climate Modeling 97 1 Introduction 99 2 The OASIS coupler 100 2.1 OASIS development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 2.2 OASIS3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 2.3 OASIS4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 2.4 OASIS3-MCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 2.5 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 vi Jan. 2010 – Dec. 2011
3 The OpenPALM coupler 104 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 3.2 Usage of OpenPALM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 3.3 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 4 HPC Climate modelling 108 4.1 General context . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 4.2 Development and implementation of the ARPEGE-NEMIX model . . . . . . . . . . . . . 108 4.3 Coupling technical aspects and fault tolerance compliance . . . . . . . . . . . . . . . . . 109 5 Publications 110 5.1 Conference Proceedings and Book Chapters . . . . . . . . . . . . . . . . . . . . . . . . . 110 5.2 Journal Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 5.3 Technical Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 5 Climate Variability and Global Change 113 1 Introduction 115 2 Climate variability and predictability 116 2.1 Interaction between the North Atlantic-Europe atmospheric dynamics and the local surface conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 2.2 Decadal prediction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 3 Climate change and impact studies 121 3.1 Detection and attribution of climate change . . . . . . . . . . . . . . . . . . . . . . . . . 121 3.2 Statistical downscaling and impact studies . . . . . . . . . . . . . . . . . . . . . . . . . . 122 4 Publications 125 4.1 Journal Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 4.2 Thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 6 Computational Fluid Dynamics 127 1 Introduction 129 2 Combustion 131 2.1 Turbulent Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 2.2 Acoustics and combustion instabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 2.3 Heat transfer and multi-physics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 2.4 Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 3 Turbomachinery 146 3.1 Numerical methods and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 3.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 CERFACS ACTIVITY REPORT vii
Page 1 and 2: CERFACS Scientific Activity Report
Page 3 and 4: Table des matières 1 Foreword xiii
Page 5: 9 Publications 40 9.1 Books . . . .
Page 9 and 10: Table des figures CERFACS chart as
Page 11 and 12: TABLE DES FIGURES 6 Computational F
Page 13 and 14: Foreword Welcome to the 2010-2011 S
Page 15 and 16: CERFACS STRUCTURE CERFACS organizat
Page 17 and 18: CERFACS STAFF NAME POSITION PERIOD
Page 19 and 20: CERFACS STAFF SILVA GARZON Ph.D stu
Page 21 and 22: CERFACS STAFF NAME POSITION PERIOD
Page 23: CERFACS Wide-Interest Seminars Pete
Page 27 and 28: 1 Introduction 1.1 Introduction The
Page 29 and 30: PARALLEL ALGORITHMS PROJECT success
Page 31 and 32: PARALLEL ALGORITHMS PROJECT Visitor
Page 33 and 34: 3 List of Members of HiePACS HiePAC
Page 35 and 36: 4 Dense and Sparse Matrix Computati
Page 37 and 38: PARALLEL ALGORITHMS PROJECT Working
Page 39 and 40: 5 Iterative Methods and Preconditio
Page 41 and 42: PARALLEL ALGORITHMS PROJECT 5.5 Pre
Page 43 and 44: PARALLEL ALGORITHMS PROJECT We are
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8 Conferences and Seminars 8.1 Conf
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PARALLEL ALGORITHMS PROJECT Decembe
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PARALLEL ALGORITHMS PROJECT July WC
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PARALLEL ALGORITHMS PROJECT Septemb
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PARALLEL ALGORITHMS PROJECT [ALG15]
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PARALLEL ALGORITHMS PROJECT [ALG54]
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1 Overview presentation The main ex
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ELECTROMAGNETISM AND ACOUSTICS TEAM
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1 Introduction Data assimilation is
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DATA ASSIMILATION 2.3 Calibrating o
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3 Data assimilation for atmospheric
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DATA ASSIMILATION BECM using or not
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DATA ASSIMILATION the potential vor
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DATA ASSIMILATION A two years simul
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DATA ASSIMILATION FIG. 4.1: Reducti
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DATA ASSIMILATION FIG. 4.3: April 2
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DATA ASSIMILATION by a surface mode
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6 Data assimilation with EDF neutro
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DATA ASSIMILATION demonstrate that
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DATA ASSIMILATION [DA13] S. Massart
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4 Coupling tools and HPC Climate Mo
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2 The OASIS coupler The OASIS coupl
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THE OASIS COUPLER 2.3 OASIS4 Since
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3 The OpenPALM coupler 3.1 Introduc
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THE OPENPALM COUPLER In the NitroEu
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4 HPC Climate modelling 4.1 General
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5 Publications 5.1 Conference Proce
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5 Climate Variability and Global Ch
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2 Climate variability and predictab
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CLIMATE VARIABILITY AND PREDICTABIL
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CLIMATE VARIABILITY AND PREDICTABIL
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CLIMATE CHANGE AND IMPACT STUDIES a
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CLIMATE CHANGE AND IMPACT STUDIES b
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PUBLICATIONS [CM15] Y. Kwon, C. Des
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1 Introduction The CFD (Computation
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2 Combustion The research activity
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COMPUTATIONAL FLUID DYNAMICS rate-o
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COMPUTATIONAL FLUID DYNAMICS FIG. 2
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COMPUTATIONAL FLUID DYNAMICS an iss
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COMPUTATIONAL FLUID DYNAMICS TU Ber
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COMPUTATIONAL FLUID DYNAMICS design
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COMPUTATIONAL FLUID DYNAMICS (a) (b
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COMPUTATIONAL FLUID DYNAMICS 3.1.5
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COMPUTATIONAL FLUID DYNAMICS (a) Ve
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COMPUTATIONAL FLUID DYNAMICS The cl
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COMPUTATIONAL FLUID DYNAMICS (a) Do
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5 Publications 5.1 Conferences Proc
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COMPUTATIONAL FLUID DYNAMICS [CFD34
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7 Aviation and Environment
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INTRODUCTION instead of regular ker
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SIMULATIONS OF AIRCRAFT WAKES AND R
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LARGE SCALE ATMOSPHERIC COMPOSITION
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LARGE SCALE ATMOSPHERIC COMPOSITION
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PUBLICATIONS 4.2 Technical Reports
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CERFACS CERFACS Scientific Activity Report Jan. 2010 â Dec. 2011

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CERFACS CERFACS Scientific Activity Report Jan. 2010 â Dec. 2011