COVID-19 pandemic and during the Russia-Ukraine war. Metaheuristics, Non-dominated Sorting Genetic Algorithm (NSGAII …), Strength Pareto Evolutionary Algorithm (SPEA2), and Particle Swarm Optimization (PSO) are applied to find the best allocation … forecasting accuracy, PSO is an adequate algorithm. In terms of time, NSGAII is the fastest algorithm, while SPEA2 requires more …

-routing problem (MDVRP). A novel enhanced differential evolution algorithm (RI-DE) is developed based on a new re … traditional DE algorithm for solving the MDVRP using published benchmark instances. The results demonstrate that RI-DE obtained a … near-optimal solution of 99.03% and outperformed the traditional DE algorithm with a 2.53% relative improvement, not only …

decomposition algorithm. Then, we present a hybrid genetic algorithm that uses the Dijkstra algorithm to evaluate solutions. Next …, we present a hybrid variable neighborhood search algorithm that uses the Dijkstra algorithm to calculate the cost of each … solution. Also, a relax-and-fix algorithm is proposed to find near-optimal feasible solutions for the problem. Computational …