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Generic Construction and Efficient Evaluation of Network DAEs and Their Derivatives in the Context of Gas Networks

Please always quote using this URN: urn:nbn:de:0297-zib-64582
  • We present a concept that provides an efficient description of differential-algebraic equations (DAEs) describing flow networks which provides the DAE function f and their Jacobians in an automatized way such that the sparsity pattern of the Jacobians is determined before their evaluation and previously determined values of f can be exploited. The user only has to provide the network topology and local function descriptions for each network element. The approach uses automatic differentiation (AD) and is adapted to switching element functions via the abs-normal-form (ANF).
Metadaten
Author:Tom StreubelORCiD, Christian StrohmORCiD, Philipp Trunschke, Caren TischendorfORCiD
Document Type:ZIB-Report
Tag:abs-normal form; algorithmic differentiation; compressed sparse row format; piecewise linear tangent approximation; piecewise smooth
Date of first Publication:2017/07/17
Series (Serial Number):ZIB-Report (17-41)
ISSN:1438-0064
Published in:published at Operations Research Proceedings 2017
DOI:https://doi.org/10.1007/978-3-319-89920-6_83
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