Conjugate heat transfer analysis within in lattice-filled heat exchanger for additive manufacturing

N Lebaal, A SettaR, S Roth… - Mechanics of Advanced …, 2022 - Taylor & Francis
Compact heat exchangers for heat removal has become one of the most effective cooling
techniques. In this paper, numerical scheme to simulate conjugated heat transfer using …

Friction stir welding process improvement through coupling an optimization procedure and three-dimensional transient heat transfer numerical analysis

M Boukraa, N Lebaal, A Mataoui, A Settar… - Journal of Manufacturing …, 2018 - Elsevier
The present study deals with the improvement of the Friction Stir Welding process, through
the prediction of the optimal operating conditions, necessary for welding typical Aluminum …

Design and optimization of three-dimensional extrusion dies, using constraint optimization algorithm

N Lebaal, F Schmidt, S Puissant - Finite Elements in Analysis and Design, 2009 - Elsevier
Balancing the distribution of flow through a die to achieve a uniform velocity distribution is
the primary objective and one of the most difficult tasks of extrusion die design. If the …

Bio-inspired-based structures optimization for additive manufacturing using metaheuristic Kriging

M Al Khalil, N Lebaal, F Demoly… - Mechanics of Advanced …, 2024 - Taylor & Francis
Lightweight cellular structures are investigated intensively in additive manufacturing and
require optimization strategies to distribute both patterns, cross-sections sizes and type, and …

A new optimization approach based on Kriging interpolation and sequential quadratic programming algorithm for end milling refractory titanium alloys

N Lebaal, M Nouari, A Ginting - Applied Soft Computing, 2011 - Elsevier
Refractory titanium alloys are often used in aerospace industry for applications requiring
high temperature strength and high mechanical resistance. However, the main problems …

Robust low cost meta-modeling optimization algorithm based on meta-heuristic and knowledge databases approach: Application to polymer extrusion die design

N Lebaal - Finite Elements in Analysis and Design, 2019 - Elsevier
The new method presented in this paper falls into the category of sampling methods and
model management in the optimization process of surrogate related methods. This method …

The optimal design of sheet metal forming processes: application to the clinching of thin sheets

N Lebaal, M Oudjene, S Roth - International journal of …, 2012 - inderscienceonline.com
The production of high–strength clinched joints is the ultimate goal of the manufacturing
industry. The determination of optimum tool shapes in the clinch forming process is needed …

Rheological parameters estimation of non-Newtonian food fluids by finite elements model inversion

A Fabbri, C Cevoli - Journal of Food Engineering, 2016 - Elsevier
The knowledge of fluid food rheological properties plays an important role in process
engineering. Unfortunately, characterization of non-Newtonian fluids requires a notable …

A Multi-Rheology Design Method of Sheeting Polymer Extrusion Dies Based on Flow Network and the Winter–Fritz Design Equation

A Razeghiyadaki, D Wei, A Perveen, D Zhang - Polymers, 2021 - mdpi.com
In the polymer sheet processing industry, the primary objective when designing a coat-
hanger die is to achieve a uniform velocity distribution at the exit of the extrusion die outlet …

Application of a response surface method to the optimal design of the wall temperature profiles in extrusion die

N Lebaal, S Puissant, F Schmidt - International journal of material forming, 2010 - Springer
A new approach to the optimal design of the die wall temperature profile in polymer
extrusion processes is presented. In this approach, optimization of the design variables is …