design and vr/ar-based testing of advanced mechatronic systems from space to the forest and to construction sites: virtual testbeds pave the way for new technologies collaborative virtual assembly operation simulation and its application integration of realtime ray tracing into interactive virtual reality systems instantreality -- a framework for industrial augmented and virtual reality applications interactive simulation data exploration in virtual environments digital olympic museum and sports simulation research on key technologies of full mission navigation simulation system virtual assembly environment for product design evaluation and workplace planning numerically controlled virtual models for commissioning, testing and training virtual reality boosting automotive development potentials of innovative technologies within the scope of complex products and services from immersive engineering to selling and teaching index