Chempl: a playable package for modeling interstellar chemistry

杜福君

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Chempl: a playable package for modeling interstellar chemistry

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Astrochemical modeling is needed for understanding the formation and evolution of interstellar molecules,and for extracting physical information from spectroscopic observations of interstellar clouds.The modeling usually involves the handling of a chemical reaction network and solution of a set of coupled nonlinear ordinary differential equations,which is traditionally done using code written in compiled languages such as Fortran or C/C++.While being computationally efficient,there is room for improvement in the ease of use and interactivity for such an approach.In this work we present a new public code named CHEMPL,which emphasizes interactivity in a modern Python environment,while remaining computationally efficient.Common reaction mechanisms and a three-phase formulation of gasgrain chemistry are implemented by default.It is straightforward to run 0 D models with CHEMPL,and only a small amount of additional code is needed to construct 1 D or higher-dimensional chemical models.We demonstrate its usage with a few astrochemically relevant examples.

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《天文和天体物理学研究：英文版》 |2021年第3期|261-271|共11页
作者
杜福君;
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作者单位

Purple Mountain Observatory and Key Laboratory of Radio Astronomy;

Chinese Academy of Sciences;

Nanjing 210023;

China;

School of Astronomy and Space Science;

University of Science and Technology of China;

Hefei 230026;

China;

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原文格式 PDF
正文语种 chi
中图分类计算技术、计算机技术;
关键词
astrochemistry; methods:numerical; ISM:evolution; ISM:molecules;

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Chempl: a playable package for modeling interstellar chemistry

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