The first methods for simulating tree growth were introduced more than 50 years ago. These early methods used small parameter sets to generate branching patterns. Today, functional structural plant models (FSPMs) use large parameter sets to describe the growth process and are employed in plant simulations.…
This thesis proposes two major improvements of software tools for the early phases of product design. The first one concerns phase-spanning design of motion systems based on bi-directional interconnections of product features modelled on different levels of abstraction. In addition, this approach also…
In nature, each interaction of light is bound to a global context. Thus,
each observable natural light phenomenon is the result of global
illumination. It is based on manifold laws of absorption, reflection, and
refraction, which are mostly too complex to simulate given the real-time
constraints…
Interactive scientific visualizations are widely used for the visual exploration and examination of physical data resulting from measurements or simulations. Driven by technical advancements of data acquisition and simulation technologies, especially in the geo-scientific domain, large amounts of highly…
This thesis reflects the results of many years of research and development
work in the field of geometric constraints for standard geometries in 2D
and 3D. The experiences with constructive as well as numerical approaches
for the calculation of constraint-based models have been continuously
incorporated…
This thesis describes the development and implementation of a web
application to search for direct drives. Given the focus on the usability,
the web application is made after the Usability Engineering Lifecycle by
Mayhew. Based on the requirements analysis carried out, the conceptual and
later the…
AbstractAugmented Reality Systems (AR) increasingly gain importance in
research and development by condensing and providing relevant information.
The constantly increasing number of AR components enables compiling of a
large number of AR system configurations for use, with personal experience
and…
Abstract
This dissertation presents an approach for interactive, physically exact simulation of
specular reflections and specular refractions in virtual environments. The introduced
approach is called Vertex Tracing and allows a hybrid rendering to add global
illumination effects in traditional…
The constrained-based design of free-form surfaces is currently limited to tensor-product
interpolation of orthogonal curve networks or equally spaced grids of points. The, so-
called, multi-patch methods applied mainly in the context of scattered data interpolation
construct surfaces from given boundary…