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All Journal Proceedings Konferensi Nasional Sistem dan Informatika (KNS&I) Creative Information Technology Journal Jurnal Sistem Informasi Kaputama (JSIK) TIN: TERAPAN INFORMATIKA NUSANTARA Journal of Applied Data Sciences Jurnal Dharma Bhakti Ekuitas Jurnal ICT : Information and Communication Technologies Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka PUBLIDIMAS
Lili Tanti, Lili
Universitas Potensi Utama
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Journal : Journal of Applied Data Sciences

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A Hybrid GRG-Neighborhood Search Model for Dynamic Multi-Depot Vehicle Routing in Disaster Logistics Hartama, Dedy; Poningsih, Poningsih; Tanti, Lili
Journal of Applied Data Sciences Vol 6, No 4: December 2025
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v6i4.973

Abstract

In disaster relief logistics, timely and adaptive routing is critical to meet fluctuating demands and disrupted infrastructure. This paper proposes a Hybrid GRG–Neighbourhood Search (NS) model for solving the Multi-Depot Vehicle Routing Problem with Capacity and Time Dependency (MDVRP-CTD). The model integrates the Generalized Reduced Gradient (GRG) method for handling nonlinear capacity constraints and NS for local route refinement. The objective is to minimize total travel distance, delay penalties, and maximize vehicle utilization under dynamic disaster scenarios. Tested using the SVRPBench dataset, the hybrid model achieved up to 96.5% demand fulfillment, an 11% improvement in vehicle utilization, and a reduction in total distance by 7%, outperforming Tabu Search and ALNS in three simulation scenarios. The model demonstrates enhanced adaptability and responsiveness to time-sensitive, capacity-constrained environments. Its novelty lies in the integration of nonlinear optimization with adaptive local improvement tailored for disaster contexts, providing a robust decision-support tool for real-time humanitarian logistics.
Co-Authors adhar, Deni Adhar, Deni Adhar Bob Subhan Riza, Bob Subhan Budi Triandi, Budi Hartama, Dedy Iwan Fitrianto Rahmad Juli Iriani, Juli Pairin, Yusfrizal Bin Poningsih Poningsih, Poningsih Ridho, Irdian Riza, Bob Subahan Safrizal Safrizal Safrizal Salwani D, Zuki Salwani D Susianto Susianto Thanri, Yan Yang Windy, Micky Alviansyah Wirhan Fahrozi, Wirhan