Using GraphHopper within Simulations
The simulation software AnyLogic uses GraphHopper to calculate and visualize shortest paths on real-world transport networks during a single simulationContinue Reading
Author: Christian Fikar
Christian Fikar is Full Professor and Chair of Food Supply Chain Management at University of Bayreuth. His research fields include supply chain management and related model-driven decision support systems to investigate and optimize time-critical delivery processes, particularly for food logistics and humanitarian operations.
Simulation Optimization and the Trade-Off between Optimizing and Evaluating
Combining simulation with optimization procedures enables one to investigate complex real-world problems under varying settings and scenarios. Implementation, however, isContinue Reading
In-class Assignment to Teach Vehicle Routing Problems in Business Schools
During a research stay in Barcelona, I came across an interesting talk (Ramalhinho and Grasas, 2013) on teaching vehicle routingContinue Reading
E-Grocery Fulfillment Channels
Multiple major retail chains in Austria are offering an extensive range of groceries online. Additionally, numerous start-ups and companies, whichContinue Reading
Simulations to Improve Flood Response Skills
To respond to complex river floodings, professional training to foster the comprehension of systemic behaviors and interdependencies is crucial. SimulationsContinue Reading
Optimizing Logistics Operations to Reduce Food Waste
Substantial amounts of food products are wasted in multiple stages of the supply chain. Produce is lost at the field,Continue Reading
Evaluations of Car and Trip Sharing Systems
Providing services at customers’ homes in urban city center is a challenging tasks. Congestion leads to high uncertainty in travelContinue Reading
Simulation Optimization with AnyLogic
Over the last years, I have worked on various research projects requiring the combination of simulation and optimization methods. It isContinue Reading
System Thinking for Disaster Response
To respond to a disaster and to mitigate impact and damages, complex and time-critical situations need to be analyzed quickly. To facilitate understanding, education and constant training of relief forces are crucial. Operations research tools can help to improve decison-making skills by supporting system thinking.
Routing & Scheduling of Home Health Care Services
Demographic shifts, changes in family structure, the desire to ‘grow old at home’ and cost benefits are just some reasonsContinue Reading
Decision Support for Time-Critical Logistics Operations 