Search Results - "Gürdal, Z."

Low-velocity impact damage on dispersed stacking sequence laminates. Part II: Numerical simulations by Lopes, C.S., Camanho, P.P., Gürdal, Z., Maimí, P., González, E.V.

“…This paper is the follow-up on the previous work by the authors on the experimental evaluation of the impact damage resistance of laminates with dispersed…”
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Optimal design of composite lattice shell structures for aerospace applications by Totaro, G., Gürdal, Z.

“…An optimization method for composite lattice shell structures under axially compressive loads is proposed aiming at the preliminary design. The method…”
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Low-velocity impact damage on dispersed stacking sequence laminates. Part I: Experiments by Lopes, C.S., Seresta, O., Coquet, Y., Gürdal, Z., Camanho, P.P., Thuis, B.

“…The stacking sequence design of composite laminates is often limited to combinations of 0°, 90°, and ±45° fibre angle plies. Furthermore, in order to comply to…”
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Design of variable stiffness panels for maximum strength using lamination parameters by Khani, A., IJsselmuiden, S.T., Abdalla, M.M., Gürdal, Z.

“…Tailoring of laminated composite structures by changing ply angle and thickness locally provides a unique opportunity to take full advantage of anisotropic…”
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Dynamic buckling analysis of composite cylindrical shells using a finite element based perturbation method by Rahman, T., Jansen, E. L., Gürdal, Z.

“…In this paper a finite element formulation of a reduction method for dynamic buckling analysis of imperfection-sensitive shell structures is presented. The…”
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Progressive failure analysis of tow-placed, variable-stiffness composite panels by Lopes, C.S., Camanho, P.P., Gürdal, Z., Tatting, B.F.

“…The past developments on tow-placement technology led to the production of machines capable of controlling fibre tows individually and placing them onto the…”
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An interior point method for isogeometric contact by Temizer, İ., Abdalla, M.M., Gürdal, Z.

“…•The interior point method is applied to frictionless contact problems.•A three-field mixed variational basis is formulated in an isogeometric setting.•Primal…”
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Combined topology and fiber path design of composite layers using cellular automata by Setoodeh, S., Abdalla, M.M., Gürdal, Z.

“…The popular Solid Isotropic Material Penalization (SIMP) technique of topology design is extended to simultaneous fiber-angle and topology design of composite…”
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Composite laminate design optimization by genetic algorithm with generalized elitist selection by Soremekun, G., Gürdal, Z., Haftka, R.T., Watson, L.T.

“…Genetic algorithms with elitist selection based on cloning a best single individual (SI) from one generation to the next are popular, but generalized elitist…”
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Transient Heat Conduction of Variable Stiffness Composite Laminate by Abdelal, G. F., Abdalla, M. M., Gürdal, Z.

“…Recent research on Variable Stiffness (VS) laminates, which are constructed by steering the fiber orientation as a spatial function of location, have shown to…”
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Study of a new local update scheme for cellular automata in structural design by Missoum, S., G rdal, Z., Setoodeh, S.

“…This paper investigates an improved local update scheme for cellular automata (CA) applied to structural design. Local analysis and design rules are derived…”
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Variable stiffness composite panels: Effects of stiffness variation on the in-plane and buckling response by Gürdal, Z., Tatting, B.F., Wu, C.K.

“…Descriptions of fiber orientation variation for flat rectangular composite laminates that possess variable stiffness properties are introduced. The simplest…”
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Special issue on optimization of aerospace structures by Kim, H. A., Kennedy, D., Gürdal, Z.

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Variable-stiffness composite panels: Buckling and first-ply failure improvements over straight-fibre laminates by Lopes, C.S., Gürdal, Z., Camanho, P.P.

“…One of the primary advantages of using fibre-reinforced laminated composites in structural design is the ability to change the stiffness and strength…”
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A comparison of three algorithms for tracing nonlinear equilibrium paths of structural systems by Ragon, S.A, Gürdal, Z, Watson, L.T

“…The relative efficiencies of the Riks/Wempner, Crisfield, and normal flow solution algorithms for tracking nonlinear equilibrium paths of structural systems…”
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Structural design using Cellular Automata for eigenvalue problems by Abdalla, M.M., Gürdal, Z.

“…Cellular Automata (CA) is an emerging paradigm for the analysis and design of complex systems. Recently, it has been successfully applied to structural design…”
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Improved genetic algorithm for the design of stiffened composite panels by Nagendra, S., Jestin, D., Gürdal, Z., Haftka, R.T., Watson, L.T.

“…The design of composite structures against buckling presents two major challenges to the designer. First, the problem of laminate stacking sequence design is…”
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Tailoring for strength of composite steered-fibre panels with cutouts by Lopes, C.S., Gürdal, Z., Camanho, P.P.

“…A large number of composite parts include cutouts to accommodate windows, doors, and bolted joints. These regions are hot-spots in terms of design because they…”
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Optimization of nonlinear trusses using a displacement-based approach by MISSOUM, S, GÜRDAL, Z, GU, W

“…A displacement-based optimization strategy is extended to the design of truss structures with geometric and material nonlinear responses. Unlike the…”
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Design, manufacturing and testing of a fibre steered panel with a large cut-out by Khani, A., Abdalla, M.M., Gürdal, Z., Sinke, J., Buitenhuis, A., Van Tooren, M.J.L.

“…Variable stiffness composites, where fibre angles are spatially varied by steering the tows in curvilinear paths to optimise the structural response, have been…”
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