Evidence map›Paper›PMID 40251383›Full record

ArticleScientific reports2025

Research on the connectivity reliability analysis and optimization of natural gas pipeline network based on topology.

Xiuxuan Yang, Kun Chen, Minghui Liu

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Xiuxuan YangCollege of safety engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
Kun ChenCollege of safety engineering, Chongqing University of Science and Technology, Chongqing, 401331, China. ckym117@cqust.edu.cn.
Minghui LiuQingzhan Technology Co., Ltd., Hangzhou, 310023, China.

Funding

Natural Science Foundation Chongqing CSTB2023NSCQ-LZX0036the Scientific and Technology Research Program of Chongqing Municipal Education Commission KJZD-K201901501
6 · The paper itself

Abstract

The rapid expansion of natural gas pipeline networks in China necessitates robust reliability assessment and optimization frameworks, particularly for large-scale looped configurations where traditional tree-based models fall short. This study proposes an integrated framework combining connectivity reliability evaluation with adaptive topology optimization. First, a minimum path set-based reliability model is developed, leveraging an enhanced depth-first search (DFS) algorithm for efficient path identification and binary decision diagrams (BDD) to eliminate 92% of redundant terms in reliability formulas, reducing computational complexity by 40% compared to Monte Carlo simulations. Second, an adaptive genetic algorithm (AGA) is designed to optimize network topology, dynamically adjusting crossover and mutation rates (0.8≤[Formula: see text]≤0.01, 0.01≤ [Formula: see text]≤ 0.8) based on population diversity, while enforcing constraints through penalty functions (node degree [Formula: see text]=4, pipeline length [Formula: see text]=120 km). Case studies on a regional pipeline network (89 nodes, 98 segments) demonstrate that loop structures exhibit 25.7% higher average reliability ([Formula: see text]= 0.87792) than branch nodes (v79: [Formula: see text]=0.60933). The AGA-driven optimization increases system-wide connectivity reliability ([Formula: see text]) from 0.03 to 0.247 by strategically adding redundant pipelines (v71-v77), outperforming particle swarm optimization (PSO) by 65%. Key findings reveal that centralized gas source layouts and looped configurations significantly enhance redundancy, with critical segments showing 34% higher D-connectivity importance post-optimization. This work provides a scalable, training-free solution for pipeline network design, balancing computational efficiency (68.7s for 200-node networks) with engineering constraints, and offers actionable insights for infrastructure resilience enhancement.

Indexed as

Adaptive genetic algorithmConnectivity reliabilityMinimal pathNatural gas pipeline networkTopology optimization

Identifiers

PMID40251383
PMCPMC12008401

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.