A QUASI-3D MATHEMATICAL MODEL OF COASTAL MORPHOLOGY

A New Quasi-3D Model for Functionally Graded Plates

This article investigates the static behavior of functionally graded plate under mechanical loads by using a new quasi 3D model. The theory is designated as fifth-order shear and normal deformation theory (FOSNDT). Properties of functionally graded material are graded across the transverse direction by using the rule of mixture i.e. power-law. The effect of thickness stretching is considered to...

Quasi-3D Modeling of Sediment Transport for Coastal Morphodynamics

Segmentation of 3D Pulmonary Trees Using Mathematical Morphology

We propose algorithms to automate the segmentation of pulmonary tree structures in the lung, using tools from Mathematical Morphology. This involves segmenting three diierent types of three-dimensional tree structures (airway tree, pulmonary artery, pulmonary vein) from a stack of grayscale Computed Tomography (CT) images. The proposed algorithms rely on the grayscale reconstruction operator to...

Prediction of Sediment Transport Capacity in Rivers Using Quasi Two-Dimensional Mathematical Model

Sediment rating curve is an essential factor for many river engineering subjects and computations such as dredging, design of storage dams, river intakes design and sand mining management. Although, this curve is established using simultaneous measurement of flow and sediment transport discharges, however, due to lack of reliable data during flood events, it has limited reliability in flood con...

Structuring Laser-scanned Trees Using 3d Mathematical Morphology

The task addressed in this paper is 3D modelling and reconstruction of (real world) trees on the basis of terrestrial laser scans. To identify the structure of a tree in terms of stem and branches, an algorithm has been designed in 3D voxel space, based on a selection of basic and advanced 2D raster (image) processing algorithms, transferred into the 3D domain. The selection includes filtering,...