An iterative graph expansion approach for the scheduling and routing of airplanes

Author(s)

Fabian Gnegel, Armin Fügenschuh

Type

report

Year of completion

2019

Mixed Integer Linear Programming; Operational Research; Vehicle Routing Problem; Time-Dependent Airplane Routing; Dynamic Graph Expansion

URN

urn:nbn:de:kobv:co1-opus4-48069

DOI

https://doi.org/10.26127/BTUOpen-4806

Verfahren für die Berechnung und Abschätzung der Tourenlänge des Handlungsreisendenproblems mit wenigen Orten

Author(s)

Christian Blümel

Type

bachelorthesis

Year of completion

2019

Handlungsreisendenproblem; Gemischt-ganzzahlige lineare Optimierung; Modellierung; Statistik; Verteilungsfunktion; Distribution function; Traveling Salesman Problem; Statistics; Mixed-integer linear optimization; Modeling

URN

urn:nbn:de:kobv:co1-opus4-50291

DOI

https://doi.org/10.26127/BTUOpen-5029

A solution framework for linear PDE-constrained mixed-integer problems

Author(s)

Fabian Gnegel, Armin Fügenschuh, Michael Hagel, Sven Leyffer, Marcus Stiemer

Type

report

Year of completion

2019

Mixed-integer linear programming; Partial differential equations; Finite-element methods; Convection-diffusion equation; Global optimal control; Gemischt-ganzzahlige lineare Programmierung; Globale Optimalsteuerung; Konvektions-Diffusions-Gleichung; Finite-Elemente-Methode; Partielle Differentialgleichungen

URN

urn:nbn:de:kobv:co1-opus4-50453

DOI

https://doi.org/10.26127/BTUOpen-5045

Computing the trajectories for the development of optimal routes

Author(s)

M. Fawad Zazai, Armin Fügenschuh

Type

report

Year of completion

2019

Shortest path; Graph construction; Multi-criteria optimization (Pareto frontier); Trajectory planning; Topography; Kürzeste Wege; Graphen-Aufbau; Geographische Informationssysteme (GIS); Mehrzieloptimierung (Pareto-Front); Trajektorienplanung

URN

urn:nbn:de:kobv:co1-opus4-50651

DOI

https://doi.org/10.26127/BTUOpen-5065

Stable honeycomb structures and temperature based trajectory optimization for wire-arc additive manufacturing

Author(s)

Martin Bähr, Johannes Buhl, Georg Radow, Johannes Schmidt, Markus Bambach, Michael Breuß, Armin Fügenschuh

Type

workingpaper

Year of completion

2019

Eikonal equation; Centroidal Voronoi tessellation; Additive manufacturing; Heat transmission; Mixed-integer linear programming; Geometric optimization; Additive Fertigung; Gemischt-ganzzahlige Programmierung; Geometrische Optimierung; Eikonal-Gleichung; Zentrierte Voronoi-Parkettierung; Wärmeleitung

URN

urn:nbn:de:kobv:co1-opus4-50796

DOI

https://doi.org/10.26127/BTUOpen-5079