Abstract
Volatile and vulnerable conditions during disaster relief cause many problems on the coordination of aid replenishments. Research states that partnership improves coordination thus reducing the uncertainty condition along supply chain including in replenishment. This paper aims to fulfill the research gap on examining the impact of partnership in the disaster relief process. Dynamic characteristics model of this case was built by modifying the beer distribution game through Vensim PLE Plus. Model had been validated and verified with the West Java Regional Disaster Management Authority (BPPD). The simulation was run for for two types of product: repetitive demand (food package) and one-time demand (blanket). Total cost, bullwhip effect, and total distribution time for each scenario are then compared. The simulation results show that the proposed scenario, which is developed based on the usage of blockchain on the partnership system, can reduce the total distribution time for about 43% for blanket and 27% for food package. Meanwhile, the total cost for blankets can be reduced for about 29% and 13% for food packages. But on the other side, the partnership system had aggravated the bullwhip effect. Some future potential researches are also proposed in this study.
Highlights
Thomas and Kopczak [1] defined humanitarian supply chains as managing and designing methods of delivering disaster relief material such as food, water, sanitation, and a refugee camp for disaster impacted areas, which are mostly unattainable or remote
Distribution lead time, and bullwhip effect are the performance measurement parameters used in this study, as suggested by Beamon et al [2] and Sterman [13]
In the case of this humanitarian supply chain with lumpy demand, Vendor Management Inventory (VMI) can be used as suggested in Lechtenberg [27], by considering the demands that arise in certain phases of the disaster management process
Summary
Thomas and Kopczak [1] defined humanitarian supply chains as managing and designing methods of delivering disaster relief material such as food, water, sanitation, and a refugee camp for disaster impacted areas, which are mostly unattainable or remote. The humanitarian supply chain's difficulties and challenges are the dynamic and variability aspects of the type and number of demands and the disaster event's time and location [2]. It is crucial to understand and agile in adjusting the needs with the type of disaster event, geographical areas, access to the impacted areas, and damage catastrophes. In such a dynamic situation, one can be trapped in a trade-off between cost efficiency and a short decision-making period. The output refers to response time and the amounts of items that could be provided and distributed. Flexibility defines as the volume and variety of items for fulfilling demand
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