Heart valve diseases are among the leading causes of cardiac failure around the globe. Current advances in imaging technology, in numerical simulation and in additive manufacturing are opening new frontiers in the field ...

New methodologies of Design for Additive Manufacturing (DFAM) and relative CAx tools are the key enabling technologies allowing to get the major benefits from AM. It is evident that an increased integration of all CAx ...

Recently, a simplified macroscopic and semi-analytical thermal analysis of Laser Meta lDeposition (LMD) has been submitted to publication. The model is fast enough to simulate the entire process. The proposed approach ...

The fatigue behavior of ABS SLM Inconel 718 obtained by testing directionally-fabricated specimens is presented and discussed together with characterization of surface topography of the specimens using green light interferometry.

Any manufacturing process which allows to create a product in its finished form without the need for other machining operations belongs to Net Shape Forming family. Additive Manufacturing (AM) is a part of NSF family; ...

The need to investigate new solutions and novel 3D building strategies not only requires the development of new slicing algorithms and the exploitation of machines with more than 3 Dofs, but also a safe and reliable ...

Due to its high design freedom and flexibility, Additive Manufacturing is often used as an alternative to the conventional manufacturing. In order to be competitive, as many advantages of additive manufacturing as possible ...

We present a functionally graded material design (FGMD) approach relying on at opology optimization procedure based on asymptotic homogenization and phase-field method. We also introduce a complete framework from which ...

This paper presents a methodology to design optimum lattice-like engineering components that can be easily created using additive manufacturing. The optimal performance of the design is assured through a topology optimization, ...

In this research, an optimization design of the lattice structure is investigated, which is based on the ground structure method. In recent years, as a result of rapid development of additional manufacturing technology, ...

A new design starts from an idea and become a final product, during design process the evaluation stage it’s a necessity, the most useful evaluation tool is prototyping. Conceptual models are very important in product ...

In this paper shortwave infrared (SWIR) thermographic measurements of the manufacturing of thin single-line walls via laser metal deposition (LMD) are presented. As the thermographic camera is mounted fixed to the welding ...

Selective laser melting (SLM) process is based on the powder-bed fusion principle, which is using high-energy laser beams. SLM process is characterized by producing very finely grained cellular and columnar dendritic ...

We present a multi-physics model for the approximation of the coupled system formed by the temperature-dependent Navier-Stokes equations with free surfaces. The main application is the industrial process of shallow ...

Selective laser melting (SLM), with the advantages in producing complex geometry, is becoming one of the most promising additive manufacturing (AM) technologies [1]. In order to understand the multiple physical phenomena ...

The urgency of mathematical model development for wire-based electron-beam additive manufacturing process analysis is shown. The procedure of solving heat equation for metal in the solid phase and the Navier-Stokes equations ...

The finite element analysis (FEA) of components’ build-up has recently proved to be a valuable tool for accompanying the product and process development during additive manufacturing (AM). In this numerical method a first ...

Triply periodic minimal surface (TPMS) based geometries exhibit extraordinary mechanical, thermal, electrical and acoustic properties thanks to their unique topologies. There are various types of structures in the TPMS ...

The recent appearance of hybrid CNC machines – which can both add and remove material to an object – has facilitated a new type of approach to the problem of repairing damaged com- ponents. Up to now, repair operations ...

In this study, Electron Beam Melting (EBM) is used to produce chiral auxetic lattices, and the compression of chiral auxetic lattice is investigated experimentally and numerically in the edgewise direction, where ...

In this work, a numerical model based on the Particle Finite Element Method (PFEM) for the simulation of extrusion-based additive manufacturing of fresh concrete is presented. The balance of momentum and mass ...

This study analyses canine limb-sparing implants with an integrated lattice structure, manufactured in Ti-6Al-4V ELI alloy using Electron Beam Melting (EBM) technology. The research aim is to determine the technical risk ...