The force method for the calculation of stress intensity factors on arbitrary meshes (2007)
Presentation / Conference
Costa, A., Cardoso, R. P., Yoon, J., & Morais, A. (2007, September). The force method for the calculation of stress intensity factors on arbitrary meshes. Paper presented at COMPLAS 2007, 9th International Conference on Computational Plasticity , Barcelona, Spain, September 5-7, 2007, Barcelona, Spain

Joint rolling-horizon scheduling of materials processing and lot-sizing with sequence-dependent setups (2007)
Journal Article
De Araujo, S. A., Arenales, M. N., & Clark, A. (2007). Joint rolling-horizon scheduling of materials processing and lot-sizing with sequence-dependent setups. Journal of Heuristics, 13(4), 337-358. https://doi.org/10.1007/s10732-007-9011-9

A lot sizing and scheduling problem from a foundry is considered in which key materials are produced and then transformed into many products on a single machine. A mixed integer programming (MIP) model is developed, taking into account sequence-depen... Read More about Joint rolling-horizon scheduling of materials processing and lot-sizing with sequence-dependent setups.

Material models to study the bauschinger effect on an aluminum shear test specimen (2007)
Presentation / Conference
Cardoso, R. P., Yoon, J., & Gracio, J. (2007, July). Material models to study the bauschinger effect on an aluminum shear test specimen. Paper presented at NUMIFORM 2007, Materials Processing and Design: Modeling, Simulation and Applications, Porto, Portugal

Large-eddy simulation and control of flow separation over Ahmed car model (2007)
Conference Proceeding
Yao, J., Reehal, S., & Yao, Y. (2007). Large-eddy simulation and control of flow separation over Ahmed car model. In Proceedings of the IUTAM Symposium “Unsteady Separated Flows and their Control“. https://doi.org/10.1007/978-1-4020-9898-7

Crack propagation toward friction stir weld (2007)
Presentation / Conference
Yoon, J., Cardoso, R. P., Bray, G., Barlat, F., Schultz, R., & Bucci, R. (2007, June). Crack propagation toward friction stir weld. Paper presented at Plasticity of Conventional and Emerging Materials: Theory and Application, The 13th International Symposium on Plasticity and Its Current Applications,Girdwood, Alaska, 2-6 June, 2007, Girdwood, Alaska

An overview of sheet metal forming simulations with enhanced assumed strain elements (2007)
Presentation / Conference
Valente, R., Sousa, R., Jorge, N., Cardoso, R. P., Simoes, F., Yoon, J., & Gracio, J. (2007, June). An overview of sheet metal forming simulations with enhanced assumed strain elements. Paper presented at NUMIFORM 2007, Materials Processing and Design: Modeling, Simulation and Applications

Computational study of flow over generic fan-wing airfoil (2007)
Journal Article
Duddempudi, D., Yao, Y., Edmondson, D., Yao, J., & Curley, A. (2007). Computational study of flow over generic fan-wing airfoil. Aircraft Engineering and Aerospace Technology, 79(3), 238-244. https://doi.org/10.1108/00022660710743831

Purpose - The paper seeks to perform a detailed numerical study of flow over a generic fan-wing airfoil and also attempts to modify the geometry for the improvement of the aerodynamic performance. Design/methodology/approach - Advanced computational... Read More about Computational study of flow over generic fan-wing airfoil.

Exploring new horizons in the solid-shell element technology for general nonlinear applications with bending (2007)
Presentation / Conference
Cardoso, R. P., Yoon, J., Mahardika, M., & Choudry, S. (2007, May). Exploring new horizons in the solid-shell element technology for general nonlinear applications with bending. Paper presented at NAFEMS International Conference, Vancouver, Canada, 22-25 May, 2007, Vancouver, Canada

On the use of a reduced enhanced solid-shell (RESS) element for sheet forming simulations (2007)
Journal Article
Grácio, J. J., Fontes Valente, R. A., Alves de Sousa, R. J., Yoon, J. W., & Cardoso, R. P. (2007). On the use of a reduced enhanced solid-shell (RESS) element for sheet forming simulations. International Journal of Plasticity, 23(3), 490-515. https://doi.org/10.1016/j.ijplas.2006.06.004

A recently proposed reduced enhanced solid-shell (RESS) element [Alves de Sousa, R.J., Cardoso, R.P.R., Fontes Valente, R.A., Yoon, J.W., Grácio, J.J., Natal Jorge, R.M., 2005. A new one-point quadrature enhanced assumed strain (EAS) solid-shell elem... Read More about On the use of a reduced enhanced solid-shell (RESS) element for sheet forming simulations.

Enhanced one-point quadrature shell element for nonlinear applications (2007)
Journal Article
Valente, R. A., Cardoso, R. P., & Yoon, J. W. (2007). Enhanced one-point quadrature shell element for nonlinear applications. International Journal for Numerical Methods in Engineering, 69(3), 627-663. https://doi.org/10.1002/nme.1784

This work is an extension to nonlinear applications of a previously published work (Int. J. Numer. Meth. Engng 2006; 66:214-249) about membrane and transverse shear improvement for one-point quadrature shell elements. A new formulation based on the e... Read More about Enhanced one-point quadrature shell element for nonlinear applications.

One point quadrature shell elements: A study on convergence and patch tests (2007)
Journal Article
Cardoso, R. P., & Yoon, J. W. (2007). One point quadrature shell elements: A study on convergence and patch tests. Computational Mechanics, 40(5), 871-883. https://doi.org/10.1007/s00466-006-0148-4

One point quadrature shell elements are being widely used in the numerical simulation of shell structures, including sheet forming, because essentially of their computational efficiency. Nowadays, the purpose of using one point quadrature shell eleme... Read More about One point quadrature shell elements: A study on convergence and patch tests.

An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS) (2007)
Presentation / Conference
Narayan, P. P., Wu, P. P., Campbell, D. A., & Walker, R. A. (2007, January). An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS). Paper presented at 2nd International Unmanned Air Vehicle Systems Conference, Melbourne

In recent times, Unmanned Aerial Systems (UAS) have been employed in an increasingly diverse range of applications. Numerous UAS market forecasts portray a burgeoning future, with many applications in both the military and civilian domains. Within th... Read More about An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS).

The effect of Mach number on unstable disturbances in shock/boundary-layer interactions (2007)
Journal Article
Yao, Y., Krishnan, L., Sandham, N. D., & Roberts, G. T. (2007). The effect of Mach number on unstable disturbances in shock/boundary-layer interactions. Physics of Fluids, 19(5), 054104. https://doi.org/10.1063/1.2720831

The effect of Mach number on the growth of unstable disturbances in a boundary layer undergoing a strong interaction with an impinging oblique shock wave is studied by direct numerical simulation and linear stability theory (LST). To reduce the numbe... Read More about The effect of Mach number on unstable disturbances in shock/boundary-layer interactions.