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In the paper, the oneand two-dimensional two-phase inverse Stefan problems are formulated and described by means of the optimizationmethod. These problems consist of the reconstruction of the function which describes the coe cient of convective heat-transfer, when the position of the moving interface of the phase change is well-known. In numerical calculations the NelderMead optimization method...
We have searched for molecular absorption lines at millimeter wavelengths in eleven gravitational lens systems discovered in the JVAS/CLASS surveys of flat spectrum radio sources. Spectra of only one source 1030+074 were obtained in the 3-, 2and 1.3-millimeter band at the frequencies corresponding to common molecular transitions of CO and HCO as continuum emission was not found in any of the ot...
An accurate cost-model that accounts for dataset size and structure can help optimize geoscience data analysis. We develop and apply a computational model to estimate data analysis costs for arithmetic operations on gridded datasets typical of satelliteor climate model-origin. For these dataset geometries our model predicts data reduction scalings that agree with measurements of widely-used geo...
Indicators to assess sustainable land development often focus on either economic or ecologic aspects of landscape use. The concept of multifunctional land use helps merging those two focuses by emphasising on the rule that economic action is per se accompanied by ecological utility: commodity outputs (CO, e.g., yields) are paid for on the market, but non-commodity outputs (NCO, e.g., landscape ...
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