... for Outstanding Young Teachers in Heilongjiang Provincial Universities YQJH2024082. LPBF Numerical simulation Process parameter optimisation Grey wolf algorithm Compensation strategies for deformations Corresponding author Bingwei Gao gaobingwei@hrbust.edu.cn Conflict of interest...

... 2024 09 09 2024 18 09 2024 © Emerald Publishing Limited 2024 Emerald Publishing Limited Licensed re-use rights only Multilayer and multi-pass WAAM Numerical simulation Temperature and stress evolution Deposition path Inter-pass cooling time National Natural Science...

... only Material extrusion Fused filament fabrication (FFF) Thermal modeling Melting Numerical simulation Thermoplastic polymers Material extrusion (MatEx) additive manufacturing is the most popular additive manufacturing technology (Vyavahare et al., 2020). The process is used...

.... The process parameters, including layer thickness, nozzle temperature and build platform temperature, were varied. Design/methodology/approach COMSOL Multiphysics software was used to perform numerical simulations of fluid flow and heat transfer for the printed strands. The polymer melt/air interface...

... of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode Wire and arc additive manufacturing Welding sequence Numerical simulation Finite element method Table 1 Chemical compositions of the feed and substrate material according to the suppliers (ratios given in m...

... using the Ampere’s relation as: (5) j → = 1 μ ∇ × ( B 0 → + b → ) Thermo-fluid flow Magnetohydrodynamics Solidification Numerical simulation Laser directed energy deposition (L-DED) process has been widely used in additive manufacturing, surface...

... Licensed re-use rights only Additive manufacturing (AM) Fused filament fabrication (FFF) Fused deposition modeling (FDM) Bead cross-sectional geometry model Numerical simulation Experimental validation Polylactic acid (PLA) Non-Newtonian and non-isothermal simulations Layered manufacturing...

... properties using nonlinear transient thermal FEA. This is achieved by capturing the thermal behavior by simulating the exact cooling process at the interfaces along the length of strands through the numerical simulation by using transient thermal FEA. Validation of the proposed numerical simulation model...

.... Molten pool sizes at various process parameters were evaluated in terms of numerical simulation and scanning electron microscope analysis, identifying a good agreement between them. Evaluation of temperature and stress distribution under the condition of different HA contents was also conducted...

... in the material-modelling phase to examine the stress-induced deformation and strain behaviour of this WAAM component by means of a stress-strain diagram with temperature change taken into account. In this numerical simulation, the stress resulting from deformation is dependent on such variables as strain rate...

... Limited Licensed re-use rights only Numerical simulation Residual stress Parameter optimization Hybrid additive manufacture Hybrid deposition and micro-rolling Owing to its excellent mechanical properties and weldability (Ren et al., 2014), GH4169 (also known as Inconel 718...

... with those obtained in the numerical simulations. Findings The numerical model successfully predicted the spreading characteristics and the cross-sectional shape of the extruded bead. The cross-sectional shape of the bead varied from elliptical (with circular nozzle) to trapezoidal (with square and star...

... manufacturing (WAAM) and ensure the effect of the gas shielding and stable heat and mass transfer in deposition process. The multiphysical numerical simulation and physical experiment are used for validation. Design/methodology/approach In this study, welding torch tilt deposition and external parallel...

... 05 2020 30 06 2020 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only Numerical simulation Additive manufacturing Heat transfer GMA Inclined thin-walled part With the increasing emphasis on a sustainable industry, additive...

... manufacturing FEM Residual stress Numerical modelling Metal additive manufacturing PBF Rapid manufacturing Computational model Numerical simulation Distortion DEM Powders AM = additive manufacturing; SLA = stereo-lithography; DLP = direct laser printing; 3DP = 3D...

... residual stresses and may also result in non-isotropic material properties. This paper aims to increase understanding of the evolution of the temperature field during fabrication of lattice structures through numerical simulation. Design/methodology/approach This paper uses a reduced order numerical...

... laser beam acts as the energy source melting the powder bed. Through the numerical simulation and process experimental research, the effect of the applied laser power and scanning speed on the operating laser melting temperature was studied. Findings The process stability has a fundamental role...

... height map. The recoating over a rectangular cavity has been considered to investigate the influence of the cavity depth on the resin surface height map. Design/methodology/approach Two-dimensional numerical simulations have been used to obtain the flow characteristics as function of the cavity depth...

...., 2008 ; Gibson, 2005 ; Sundar et al., 2003 ; Gibson and Ashby, 1997). Numerical simulation Computational geometry Microstructure Cellular manufacturing Tests and testing © Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only 12...

... geometry Printing Advanced manufacturing technologies Numerical simulation Aluminium During the test the DIC technique was used for evaluating and measuring the strain concentrations at geometrical imperfections on a target surface of the specimen (Brenne et al., 2013...