Search Results - "Knio, Omar M."

Oil spill risk analysis for the NEOM shoreline by Mittal, H. V. R., Hammoud, Mohamad Abed El Rahman, Carrasco, Ana K., Hoteit, Ibrahim, Knio, Omar M.

“…A risk analysis is conducted considering an array of release sources located around the NEOM shoreline. The sources are selected close to the coast and in…”
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Sample average approximation for risk-averse problems: A virtual power plant scheduling application by Lima, Ricardo M., Conejo, Antonio J., Giraldi, Loïc, Le Maître, Olivier, Hoteit, Ibrahim, Knio, Omar M.

“…•Efficient computational strategies for a sample average approximation are proposed.•A virtual power plant operation is modeled using stochastic programming…”
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Global sensitivity analysis of n-butanol reaction kinetics using rate rules by Hantouche, Mireille, Sarathy, S. Mani, Knio, Omar M.

“…We investigate the sensitivity of the ignition delay time, τign, of n-butanol to uncertainties in the rate-rule kinetic rate parameters, at various initial…”
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Trajectory planning for autonomous underwater vehicles in the presence of obstacles and a nonlinear flow field using mixed integer nonlinear programming by Wang, Tong, Lima, Ricardo M., Giraldi, Loïc, Knio, Omar M.

“…•The time-optimal trajectory planning for autonomous underwater vehicles is considered.•Detailed and simplified MINLP models considering obstacles and a flow…”
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Erratum to “Regularity theory for time-fractional advection-diffusion-reaction equations” [Comput. Math. Appl. 79 (2020) 947–961] by McLean, William, Mustapha, Kassem, Ali, Raed, Knio, Omar M.

“…In this note, we correct the statement of Theorem 12 from the paper in the title above (McLean et al., 2020) and fill some gaps in the proof…”
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A tangent linear approximation of the ignition delay time. I: Sensitivity to rate parameters by Almohammadi, Saja, Hantouche, Mireille, Le Maître, Olivier P., Knio, Omar M.

“…A tangent linear approximation is developed to estimate the sensitivity of the ignition delay time with respect to individual rate parameters in a detailed…”
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A second-order accurate numerical scheme for a time-fractional Fokker–Planck equation by Mustapha, Kassem, Knio, Omar M, Le Maître, Olivier P

“…Abstract A second-order accurate time-stepping scheme for solving a time-fractional Fokker–Planck equation of order $\alpha \in (0, 1)$, with a general driving…”
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A tangent linear approximation of the ignition delay time. II: Sensitivity to thermochemical parameters by Hantouche, Mireille, Almohammadi, Saja, Le Maître, Olivier P., Knio, Omar M.

“…The tangent linear approximation (TLA) developed in Almohammadi et al. (Combust. Flame 230, 111426) is extended to estimate the sensitivity of the ignition…”
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Risk-averse formulations and methods for a virtual power plant by Lima, Ricardo M., Conejo, Antonio J., Langodan, Sabique, Hoteit, Ibrahim, Knio, Omar M.

“…•Risk-neutral and risk-averse stochastic programming formulations are considered.•Implementation of decomposition methods to handle the CVaR.•Wind ensembles…”
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A generalized reduced model of uniform and self-propagating reactions in reactive nanolaminates by Alawieh, Leen, Weihs, Timothy P., Knio, Omar M.

“…A multiscale inference analysis is conducted in order to infer intermixing rates prevailing during different reaction regimes in Ni/Al nanolaminates. The…”
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Simulation of reactive nanolaminates using reduced models: I. Basic formulation by Salloum, Maher, Knio, Omar M.

“…Development and testing are described of a reduced model for the simulation of transient reactions in Ni/Al nanolaminates. The model relies on a simplified…”
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Simulation of reactive nanolaminates using reduced models: II. Normal propagation by Salloum, Maher, Knio, Omar M.

“…Transient normal flame propagation in reactive Ni/Al multilayers is analyzed computationally. Two approaches are implemented, based on generalization of…”
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Probabilistic modeling and global sensitivity analysis for CO2 storage in geological formations: a spectral approach by Saad, Bilal M., Alexanderian, Alen, Prudhomme, Serge, Knio, Omar M.

“…•Comprehensive analysis of impact of parametric uncertainties on simulation of CO2 storage in porous media is performed.•A non-isothermal two-phase…”
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A simplified computational model of the oxidation of Zr/Al multilayers by Vohra, Manav, Weihs, Timothy P., Knio, Omar M.

“…A computational model is developed to describe the oxidation of nanolaminates comprising Zr/Al bilayers. The model is developed in light of recent experimental…”
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Simulation of reactive nanolaminates using reduced models: III. Ingredients for a general multidimensional formulation by Salloum, Maher, Knio, Omar M.

“…A transient multidimensional reduced model is constructed for the simulation of reaction fronts in Ni/Al multilayers. The formulation is based on the…”
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Uncertainty quantification and inference of Manning’s friction coefficients using DART buoy data during the Tōhoku tsunami by Sraj, Ihab, Mandli, Kyle T., Knio, Omar M., Dawson, Clint N., Hoteit, Ibrahim

“…•We present an efficient approach for the inference of the Manning’s n coefficient.•We use Polynomial Chaos to build an inexpensive surrogate for the GeoClaw…”
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Design analysis for optimal calibration of diffusivity in reactive multilayers by Vohra, Manav, Huan, Xun, Weihs, Timothy P., Knio, Omar M.

“…Calibration of the uncertain Arrhenius diffusion parameters for quantifying mixing rates in Zr-Al nanolaminate foils have been previously performed in a…”
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Impact of thermodynamic properties and heat loss on ignition of transportation fuels in rapid compression machines by Ahmed, Ahfaz, Hantouche, Mireille, Khurshid, Muneeb, Mohamed, Samah Y., Nasir, Ehson F., Farooq, Aamir, Roberts, William L., Knio, Omar M., Sarathy, S. Mani

“…Rapid compression machines (RCM) are extensively used to study autoignition of a wide variety of fuels at engine relevant conditions. Fuels ranging from pure…”
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Global sensitivity analysis in an ocean general circulation model: a sparse spectral projection approach by Alexanderian, Alen, Winokur, Justin, Sraj, Ihab, Srinivasan, Ashwanth, Iskandarani, Mohamed, Thacker, William C., Knio, Omar M.

“…Polynomial chaos (PC) expansions are used to propagate parametric uncertainties in ocean global circulation model. The computations focus on short-time,…”
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An effective hybrid decomposition approach to solve the network-constrained stochastic unit commitment problem in large-scale power systems by Lima, Ricardo M., Constante-Flores, Gonzalo E., Conejo, Antonio J., Knio, Omar M.

“…We propose a novel hybrid method to solve the network-constrained stochastic unit commitment problem. We target realistic large-scale instances including…”
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