This paper presents a numerical method for studying water impact of a two-dimensional body of arbitrary cross-section. The global simulation procedure based on the boundary element method is constructed. The attention is focused on the computational description of the jet flow in the framework of a potential flow assumption. The proposed computational model makes the numerical analysis more sta...

We describe the automatic generation of nite diierence codes for solving the Black-Scholes and related equations for option valuation using the SciNapse software synthesis system. Analysts can specify codes at a very high level that mirrors the mathematical description of the problem. A typical option pricing speciication occupies less than a half page. From such concise input, the system autom...

The majority of computational methods applied for the analysis of homogeneous Markov reward models (MRMs) are not applicable for the analysis of inhomogeneous MRMs. By the nature of inhomogeneous models only forward differential equations can be used to describe the model behaviour. In this paper we provide forward partial differential equations describing the distribution of reward measures of...

Evaluation of physically based computer models for air quality applications is crucial to assist in control strategy selection. The high risk of getting the wrong control strategy has costly economic and social consequences. The objective comparison of modeled concentrations with observed field data is one approach to assessment of model performance. For dry deposition fluxes and concentrations...

recent developments in nanostructured products draw considerable attention to ultrafine grained materials. these materials are normally manufactured by different severe plastic deformation (spd) methods. in the present study, analytical models and finite element method (fem) are used to calculate strain imposed to a specimen that was deformed by equal channel angular pressing (ecap). in additio...

I review recent numerical studies of accretion disks, focusing on measurements of the turbulent shear stress, or α, in the shearing box model. I conclude with a list of astronomically relevant open questions that can be settled via future numerical experiments.