References of "Bruyneel, Michaël"
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See detailReducing overdesign with predictive performance and producibility simulation of composite structures
Hudson, Leigh; Bruyneel, Michaël ULg; Lemaire, Etienne

Conference (2014, September)

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See detailDamage modeling of laminated composites: validation of the inter-laminar damage law of SAMCEF at the coupon level for UD plies
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Goupil, Anne-Charlotte et al

in E. Oñate, J. Oliver and A. Huerta (Ed.) Proceedings of the 11th World Congress on Computational Mechanics (WCCM XI) (2014, July)

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See detailDamage modeling of laminated composites : validation of the intra-laminar damage law of SAMCEF at the coupon level for UD plies
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Goupil, Anne-Charlotte et al

in proceedings of the European Conference on Composite Material, ECCM16 (2014, June)

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See detailDamage modeling of woven-fabric laminates with SAMCEF: validation at the coupon level
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Goupil, Anne-Charlotte et al

in Proceedings of the International Conference on Advanced Computational Methods in Engineering – ACOMEN 2014 (2014, June)

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See detailOptimal design of composite structures with curved fiber trajectories
Lemaire, Etienne; Zein, Samih; DUYSINX, Pierre ULg et al

in Proceedings of the ASMO-UK/ISSMO Conference on Engineering Optimization 2014 (2014, June)

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See detailModeling and simulation of the progressive failure in composites structures for automotive application
Bruyneel, Michaël ULg; Delsemme, jean-Pierre; Jetteur, Philippe et al

in SAE (Ed.) SAE Technical Paper 2014-01-0962 (2014, April)

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See detailDamage modeling of composites and reliability analysis
Zein, Samih; Bruyneel, Michaël ULg

in Proceeding of the ESTEC European Conference on Spacecraft Structures, Materials and Environmental Testing 2014 (2014, April)

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See detailOptimization of composite structures with curved fiber trajectories
Bruyneel, Michaël ULg; Zein, Samih; Lemaire, Etienne

in Proceedings of the ESTEC European Conference on Spacecraft Structures, Materials and Environmental Testing 2014 (2014, April)

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See detailOptimisation de structures mécaniques : méthodes numériques et éléments finis
Bruyneel, Michaël ULg; Craveur, Jean-Charles; Gourmelen, Pierre

Book published by DUNOD (2014)

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See detailDamage modelling of composites: validation of inter-laminar damage model at the element level
Bruyneel, Michaël ULg; Deslemme, Jean-Pierre; Jetteur, Philippe et al

Article for general public (2014)

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See detailDiscussion on the optimization problem formulation of flexible components in multibody systems
Tromme, Emmanuel ULg; Bruls, Olivier ULg; Emonds-Alt, Jonathan et al

in Structural and Multidisciplinary Optimization (2013), 48(6), 1189-1206

This paper is dedicated to the structural optimization of flexible components in mechanical systems modeled as multibody systems. While most of the structural optimization developments have been conducted ... [more ▼]

This paper is dedicated to the structural optimization of flexible components in mechanical systems modeled as multibody systems. While most of the structural optimization developments have been conducted under (quasi-)static loadings or vibration design criteria, the proposed approach aims at considering as precisely as possible the effects of dynamic loading under service conditions. Solving this problem is quite challenging and naive implementations may lead to inaccurate and unstable results. To elaborate a robust and reliable approach, the optimization problem formulation is investigated because it turns out that it is a critical point. Different optimization algorithms are also tested. To explain the efficiency of the various solution approaches, the complex nature of the design space is analyzed. Numerical applications considering the optimization of a two-arm robot subject to a trajectory tracking constraint and the optimization of a slider-crank mechanism with a cyclic dynamic loading are presented to illustrate the different concepts. [less ▲]

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See detailComparison of gradient-based and gradient-free methods for optimal stacking sequence of composites
Bruyneel, Michaël ULg; Colsoul, Freddie; Zein, Samih

in Proceedings of the SAMPE Technical Conference 2013 (2013, October)

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See detailSimulation of the thermoforming process of thermoplastic composite parts
Pascon, Frédéric; Bruyneel, Michaël ULg; Cheruet, Anthony

in proceedings of the SAMPE Technical Conference 2013 (2013, October)

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See detailComparison of damage models in the virtual testing of composites
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Jetteur, Philippe

in proceedings of the SAMPE Technical Conference 2013 (2013, October)

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See detailOptimal design of composite structures with design rules and manufacturing constraints, based on continuous design variables
Bruyneel, Michaël ULg; Craveur, Guillaume; Beghin, Clément

Conference (2013, September)

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See detailComparison of parameterization schemes for solving the discrete material optimization problem of composite structures
Duysinx, Pierre ULg; Guillermo Alonso, Maria ULg; Gao, Tong et al

Conference (2013, September)

In the context of weight reduction challenges in aerospace, automotive, and energy engineering problems, composite materials are gaining a revived interested. Because of the problem complexity and the ... [more ▼]

In the context of weight reduction challenges in aerospace, automotive, and energy engineering problems, composite materials are gaining a revived interested. Because of the problem complexity and the large number of design variables, their design of composite structures is greatly facilitated by using optimization techniques. While several formulations have been proposed for composite structure design, Stegmann and Lund [1] have showed that composite optimization can take advantage of the topology optimization approach. The fundamental idea of the Discrete Material Optimization (DMO) approach is 1/ to formulate the composite optimization problem as an optimal material selection problem in which the different laminates and ply orientations are considered as different materials and 2/ to solve the optimization problem using continuous existence variables. To transform the discrete problem into a continuous one, one introduces a suitable parametrization identifying each material by a unique set of design variables while the material properties are expressed as a weighted sum of all candidate materials. Using DMO approach, one can solve within a common approach, different design problems such as laminate distribution problem, stacking sequence optimization... The inherent difficulties of the discrete material selection using topology optimization are 1/ to find efficiency interpolation and penalization schemes of the material properties and 2/ to be able to tailor an efficient solution algorithm to handle very large scale optimization problems. Besides the reference DMO scheme by Lund and his co-authors, other interpolation schemes have been proposed: In this paper, work we are considering and comparing DMO with two other schemes namely the Shape Function with Penalization Parameterization (SFP) by Bruyneel [2] and it recent extension, the Bi-value Coding Parametrization (BCP) by Gao et al. [3]. In particular, the work considers the different schemes in the perspective of solving large-scale industrial applications. The work considers several aspects of the different schemes: • Nature of the different interpolation schemes, • Penalization strategies (power law (SIMP), RAMP, Tsai-Halpin or polynomial), • Number of design variables, the size and complexity of the optimization problem, • Sensitivity to local optima, to the initial design variable, and the development of continuous penalization techniques, • Ability to be extended to various formulations from compliance problems to local restrictions and buckling. As a major drawback, DMO, SFP and BCP approaches increase dramatically the number of design variables. Because of the computational burden to solve the optimization problems, in most of DMO implementations, the considered structural responses are generally limited to compliance-like objective functions. In order to extend the DMO formulation, the work investigates the selection of the most appropriate and efficient optimization algorithms to handle the problems. Different schemes of the sequential convex programming are compared. At first the classic schemes MMA and CONLIN are tested. Then more advanced schemes of the MMA family (Bruyneel et al. [4]) are experimented. The work and the comparisons are carried out on several numerical applications related to the selection of optimal local fibre orientations (with up to 36 candidate material orientations) in membrane and shell aerospace or automotive structures. The various numerical test problems include academic examples and benchmarks inspired by industrial applications. [less ▲]

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See detailAdvances in the progressive damage analysis of composites
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Jetteur, Philippe et al

in NAFEMS World Congress 2013 (2013, June)

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See detailStructural finite element analysis of a composite catamaran
Lequesne, Cédric; Bruyneel, Michaël ULg; VAnVlodorp, RAphael

in NAFEMS World Conress 2013 (2013, June)

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See detailFinite element analysis of the thermoforming process of thermoplastic composite parts
Pascon, Frédéric; Brauner, Christian; Hasselbruch et al

in NAFEMS World Congress 2013 (2013, June)

Detailed reference viewed: 29 (0 ULg)