0000000000185933

AUTHOR

Pascal Pernot

showing 2 related works from this author

Model’s output variance can increase when input variance decreases: a sensitivity analysis paradox?

2015

Pour certains modeles, reduire la variance d’une ou plusieurs variables d’entree provoque une augmentation de la variance de la sortie du modele. Ce phenomene n’est pas concevable dans le cadre des modeles lineaires decrits par le GUM, mais peut etre, en revanche, observable par propagation des distributions sur des modeles non-lineaires. Dans tous les cas, les methodes d’analyse de sensibilite basees sur une decomposition de la variance sont aveugles a ce phenomene. Actuellement, seule la methode des gradients de la variance per-met de le detecter et d’en predire les effets. Dans cette etude, nous nous sommes poses plusieurs questions : (1) quel type de modele peut produire cette inversion …

HumanitiesMathematics17th International Congress of Metrology
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A KInetic Database for Astrochemistry (KIDA)

2012

We present a novel chemical database for gas-phase astrochemistry. Named the KInetic Database for Astrochemistry (KIDA), this database consists of gas-phase reactions with rate coefficients and uncertainties that will be vetted to the greatest extent possible. Submissions of measured and calculated rate coefficients are welcome, and will be studied by experts before inclusion into the database. Besides providing kinetic information for the interstellar medium, KIDA is planned to contain such data for planetary atmospheres and for circumstellar envelopes. Each year, a subset of the reactions in the database (kida.uva) will be provided as a network for the simulation of the chemistry of dense…

Astrochemistry[SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]Interstellar cloudFOS: Physical sciencesAstrophysicsKinetic energycomputer.software_genreAstrophysics01 natural sciences[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]0103 physical sciencesmiscellaneous [astrochemistry; astronomical databases]010303 astronomy & astrophysicsAstrophysics::Galaxy AstrophysicsPhysics010304 chemical physicsDatabaseKinetic informationAstronomy and AstrophysicsAstrophysics - Astrophysics of GalaxiesInterstellar mediumSpace and Planetary ScienceAstrophysics of Galaxies (astro-ph.GA)computerChemical databaseGalaxy Astrophysics
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