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A Non-Linear Eigensolver-Based Alternative to Traditional Self-Consistent Electronic Structure Calculation Methods
density functional theory electronic structure eigenvalue self consistent field FEAST
2014/12/8
This thesis presents a means of enhancing the iterative calculation techniques used in electronic structure calculations, particularly Kohn-Sham DFT. Based on the subspace iteration method of the FEAS...
浑善达克沙地天然植被蒸散量两种计算方法的比较（Comparison of Evapotranspiration of the Natural Vegetation in the Otindag Sandy Area Using Two Calculation Methods）
沙地 天然植被 蒸散量 SWAP模型
2010/12/29
以土壤-水分-大气-作物系统模拟模型——SWAP模型和FAO-56分册推荐的最新双作物系数法为基础，计算浑善达克沙地天然植被蒸散量。结果表明：SWAP模型和最新双作物系数法模拟的蒸散量结果相近，均可用于模拟蒸散量。SWAP模型能模拟土壤剖面的水分动态。
COMPARISON OF CALCULATION METHODS FOR SMOKE AND HEAT EVACUATION FOR ENCLOSURE FIRES IN LARGE COMPARTMENTS
enclosure fires smoke and heat evacuation calculation methods
2009/10/14
A comparative study is presented of different calculation methods with respect to the evacuation of smoke and heat in the case of enclosure fires in large compartments. These methods range from manual...
Analysis of effective resistance calculation methods and their effect on modelling evapotranspiration in two different patches of vegetation in semi-arid SE Spain
effective resistance calculation methods evapotranspiration semi-arid SE Spain
2009/5/13
Effective parameters are of major importance in modelling surface fluxes at different scales of spatial heterogeneity. Different ways to obtain these effective parameters for their use in meso-scale ...
Research on the compatibility of the calculation methods of rolling-stock brakes
railway interoperability passengers and freight wagons braking distance braked mass methods of calculating brakes
2010/11/1
One of the main tasks approached by the European Union is the liberalisation of railway transport service market. The foremost problem solved in this paper is the interoperability of various railway s...
Technical Note: Quantitative long-term measurements of VOC concentrations by PTR-MS – measurement, calibration, and volume mixing ratio calculation methods
VOC PTR-MS volume mixing ratio
2008/11/26
Proton transfer reaction mass spectrometry (PTR-MS) is a technique for online measurements of atmospheric concentrations, or volume mixing ratios, of volatile organic compounds (VOCs). This paper giv...
Analysis of calculation methods used for accuracy evaluation of the results of road accident examination
examination of road accidents method of calculation error of calculation car maneuver probability of impact-to-pedestrian
2010/11/1
For examination of road accidents often calculations are being performed according to mathematical equations having many variables, real values of which are of stochastic nature and they depend on man...
