A carregar...
6 resultados
Resultados da pesquisa
A mostrar 1 - 6 de 6
- Computation of the volume of triangulated polyhedraPublication . Gaspar, Miguel
- A Computer Tool for 3D Shape Recovery of FruitsPublication . Gaspar, Miguel; Pascoal-Faria, Paula; Amado, Sandra; Alves, NunoCharacterizing a fruit’s mechanical behavior is an important step towards reducing economic losses due to bruising. Several 3D scanning technologies allow to obtain the external geometry of a fruit, but no easily accessible tools exist for the acquisition of the geometry of internal structures such as the core. We propose a low-cost destructive method for tomographic reconstruction of a fruit from scanned slices. A method for overcoming the difficulties in registering the different images is also presented.
- Optimization of toolpath trajectories on arbitrary surfacesPublication . Gaspar, Miguel; Martins-Ferreira, N.Given an arbitrary region on the plane, modelled as a graph with a symmetry, we describe a procedure to find the best orientation for slicing, via a zigzag tool-path trajectory based curve, in order to minimize its discontinuities. We also develop some directions on how to generalize the procedure up to the level of optimizing tool-path trajectories on arbitrary surfaces rather than planar regions only.
- Rosin Based Composites for Additive ManufacturingPublication . Sousa, Dora; Biscaia, Sara; Viana, Tânia; Gaspar, Miguel Belbut; Mahendra, Vidhura; Mohan, Saeed D.; Mateus, Artur; Mitchell, GeoffreyRosins are the non-volatile exudates of pine resins with hydrophobic characteristics that are widely used as a precursor for many industrial applications. In this paper we discuss the nature, process and its applications as a matrix for a composite material for additive manufacturing. The composite material has been tailored to chemical and mechanical properties with respect to their applications.
- Sobre o cálculo dos ângulos de sopé e de convergência para veículos automóveisPublication . Martins-Ferreira, N.; Gaspar, Miguel Belbut; Mateus, Artur
- The Matlab Vectorization ParadigmPublication . Gaspar, Miguel; Martins-Ferreira, N.We give two examples of application of a vectorized programming paradigm: binary addition and cycle decomposition of directed graphs.