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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2019 (ICCMSE-2019)最新文献

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The adiabatic potential of the He-H interaction He-H相互作用的绝热势
E. Orlenko, Andrey K. Barilov, F. Orlenko
We compute an adiabatic potential of the Hydrogen-Helium interaction by using a new approach based on the regular method of the Exchange perturbation theory (EPT). We present the results in the analytical form. A proofed completeness property for a non-orthogonal set of anti-symmetrized wave functions allows to present solution as an expansion on this set. The corrections to the antisymmetrized wave functions of zeroth approximation are properly antisymmetric.We compute an adiabatic potential of the Hydrogen-Helium interaction by using a new approach based on the regular method of the Exchange perturbation theory (EPT). We present the results in the analytical form. A proofed completeness property for a non-orthogonal set of anti-symmetrized wave functions allows to present solution as an expansion on this set. The corrections to the antisymmetrized wave functions of zeroth approximation are properly antisymmetric.
基于交换摄动理论(EPT)的规则方法,提出了一种计算氢氦相互作用绝热势的新方法。我们把结果用解析形式表示出来。一个证明了的非正交反对称波函数集的完备性,使得解可以作为该集合上的展开式来表示。对零阶近似的反对称波函数的修正是适当的反对称。基于交换摄动理论(EPT)的规则方法,提出了一种计算氢氦相互作用绝热势的新方法。我们把结果用解析形式表示出来。一个证明了的非正交反对称波函数集的完备性,使得解可以作为该集合上的展开式来表示。对零阶近似的反对称波函数的修正是适当的反对称。
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引用次数: 0
Preface of the “GIS, Remote Sensing and Dendrochronology in Geohazards” 《地质灾害中的GIS、遥感与树木年代学》前言
D. Absalon, I. Malik
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引用次数: 0
Brownian simulation algorithm for the coherent optical excitation of electron-donor-acceptor complexes 电子-供体-受体配合物相干光激发的布朗模拟算法
D. Kononov, S. Feskov
A stochastic model of electron-donor-acceptor complex (EDAC) interacting coherently with a short laser pulse within the charge transfer band is considered in the low-field approximation. An analytical expression for the probability of detection the complex in the excited electronic state is obtained within the perturbation theory in the optical coupling parameter. New computational scheme for numerical simulations of coherent optical excitation in EDACs is proposed. This scheme extends the recrossing-algorithm of the Brownian simulation (RABS) method developed earlier for simulations of nonequilibrium electron transfer within the multimode Zusman/Jortner-Bixon model. The proposed algorithm implies calculations of stochastic trajectories of quasiparticles in multidimensional space of solvent coordinates, as well as transitions between different electronic and vibrational states of EDAC. Applicability conditions and efficiency of the algorithm are discussed.A stochastic model of electron-donor-acceptor complex (EDAC) interacting coherently with a short laser pulse within the charge transfer band is considered in the low-field approximation. An analytical expression for the probability of detection the complex in the excited electronic state is obtained within the perturbation theory in the optical coupling parameter. New computational scheme for numerical simulations of coherent optical excitation in EDACs is proposed. This scheme extends the recrossing-algorithm of the Brownian simulation (RABS) method developed earlier for simulations of nonequilibrium electron transfer within the multimode Zusman/Jortner-Bixon model. The proposed algorithm implies calculations of stochastic trajectories of quasiparticles in multidimensional space of solvent coordinates, as well as transitions between different electronic and vibrational states of EDAC. Applicability conditions and efficiency of the algorithm are discussed.
在低场近似中考虑了电子-供体-受体配合物(EDAC)在电荷转移带内与短激光脉冲相干相互作用的随机模型。利用光学耦合参数中的微扰理论,得到了在激发态探测到配合物的概率的解析表达式。提出了一种新的EDACs相干光激发数值模拟的计算方法。该方案扩展了先前用于模拟多模Zusman/Jortner-Bixon模型内非平衡电子转移的布朗模拟(RABS)方法的重交叉算法。该算法需要计算溶剂坐标多维空间中准粒子的随机轨迹,以及EDAC在不同电子态和振动态之间的跃迁。讨论了该算法的适用条件和效率。在低场近似中考虑了电子-供体-受体配合物(EDAC)在电荷转移带内与短激光脉冲相干相互作用的随机模型。利用光学耦合参数中的微扰理论,得到了在激发态探测到配合物的概率的解析表达式。提出了一种新的EDACs相干光激发数值模拟的计算方法。该方案扩展了先前用于模拟多模Zusman/Jortner-Bixon模型内非平衡电子转移的布朗模拟(RABS)方法的重交叉算法。该算法需要计算溶剂坐标多维空间中准粒子的随机轨迹,以及EDAC在不同电子态和振动态之间的跃迁。讨论了该算法的适用条件和效率。
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引用次数: 0
Model of information multi-stage process in structured system 结构化系统中信息多阶段过程模型
O. Malafeyev, N. Redinskikh, I. Zaitseva, T. Smirnova, D. Kolesov
The information process consisting of the stages of collection, processing, storage and protection of information is considered in this paper. The process is formalized in the form of a structurally logical scheme consisting of stages of the information process. It is assumed that the process of collecting, processing and storing information is carried out by special equipment. The analysis of the process under investigation is presented. A numerical example is given.The information process consisting of the stages of collection, processing, storage and protection of information is considered in this paper. The process is formalized in the form of a structurally logical scheme consisting of stages of the information process. It is assumed that the process of collecting, processing and storing information is carried out by special equipment. The analysis of the process under investigation is presented. A numerical example is given.
本文考虑了信息的收集、处理、存储和保护四个阶段。该过程以结构逻辑方案的形式形式化,该方案由信息处理的各个阶段组成。假定信息的采集、处理和存储过程由专用设备完成。对所调查的过程进行了分析。给出了一个数值算例。本文考虑了信息的收集、处理、存储和保护四个阶段。该过程以结构逻辑方案的形式形式化,该方案由信息处理的各个阶段组成。假定信息的采集、处理和存储过程由专用设备完成。对所调查的过程进行了分析。给出了一个数值算例。
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引用次数: 9
MicroLearning approach to e-learning course creation and reasons for it 微学习在网络学习课程创建中的应用及其原因
R. Polasek, T. Javorcik
The paper describes creation of e-Learning course using so called MicroLearning (ML). MicroLearning is not so new theoretical way of creating courses and study materials (processing subject matter) but maybe due to its limitations was not used much in university e-Learning course creation. Some authors see MicroLearning as one of trends in e-Learning, we look at reasons why MicroLearning can be suitable solution and which basic rules are with it connected. Presented is experience we gained when creating MicroLearning course for our students and pitfalls connected with this approach. Literature says that ML is not suitable for use with complex skills and creation of small learning units can lead to loosing general overview in specific subject matter. Described are students’ opinions on MicroLearning course we have created. Opinions were generally positive although just small sample of respondents was questioned.
本文描述了使用所谓的微学习(ML)创建电子学习课程。微学习并不是创建课程和学习材料(处理主题)的新理论方式,但可能由于其局限性,在大学电子学习课程创建中并未使用太多。一些作者认为微学习是电子学习的趋势之一,我们来看看为什么微学习是合适的解决方案,以及与之相关的基本规则。本文介绍了我们在为学生创建微学习课程时获得的经验,以及与这种方法相关的陷阱。文献表明,机器学习不适合用于复杂的技能,并且创建小型学习单元可能导致对特定主题的总体概述。描述的是学生对我们创建的微学习课程的看法。人们的看法总体上是积极的,尽管只有一小部分受访者接受了调查。
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引用次数: 4
Applying distance maintaining calculation method on multi-rotor UAV swarm 多旋翼无人机群距离保持计算方法的应用
J. Chen, Yung-Gi Wu, Chialiang Lin
Over the past few years, multi-rotor drones have been widely used for the both military and civilian purposes. In this paper, we are taking steps for finding a method to calculate and keep the distance in order to make the ranges of photos of every UAVs connected according to the lens and flight height. Finally, we succeeded to develop the distance maintaining calculation method via implementing angel of view formula.Over the past few years, multi-rotor drones have been widely used for the both military and civilian purposes. In this paper, we are taking steps for finding a method to calculate and keep the distance in order to make the ranges of photos of every UAVs connected according to the lens and flight height. Finally, we succeeded to develop the distance maintaining calculation method via implementing angel of view formula.
近年来,多旋翼无人机在军用和民用领域得到了广泛的应用。在本文中,我们正在寻找一种计算和保持距离的方法,以便根据镜头和飞行高度将每个无人机的照片范围连接起来。最后,通过实现视角公式,成功开发了距离保持计算方法。近年来,多旋翼无人机在军用和民用领域得到了广泛的应用。在本文中,我们正在寻找一种计算和保持距离的方法,以便根据镜头和飞行高度将每个无人机的照片范围连接起来。最后,通过实现视角公式,成功开发了距离保持计算方法。
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引用次数: 0
Hyperspherical coordinates and energy partitions for reactive processes and clusters 反应过程和团簇的超球坐标和能量分区
A. Lombardi, F. Palazzetti, M. Sevryuk
The hyperspherical coordinate systems have been developed for the study of few-body scattering problems of nuclear and molecular physics, for example in the practical implementation of demanding quantum calculations typical of chemical reactions. The hyperangular momenta and their eigenfunctions, the hyperspherical harmonics, are the mathematical apparatus characterizing the hyperspherical representation of molecular dynamics. To circumvent the restriction to the application of the hyperspherical methods, due to exceedingly high computational costs, a classical mechanics hyperspherical formulation has been developed suitable for applications to clusters and large molecular system dynamics. The asymptotic theory of generalized harmonics connected with that of spin networks establishes semiclassical connections for treating discretization procedures, specifically, the hyperquantization algorithm treated by us elsewhere.The hyperspherical coordinate systems have been developed for the study of few-body scattering problems of nuclear and molecular physics, for example in the practical implementation of demanding quantum calculations typical of chemical reactions. The hyperangular momenta and their eigenfunctions, the hyperspherical harmonics, are the mathematical apparatus characterizing the hyperspherical representation of molecular dynamics. To circumvent the restriction to the application of the hyperspherical methods, due to exceedingly high computational costs, a classical mechanics hyperspherical formulation has been developed suitable for applications to clusters and large molecular system dynamics. The asymptotic theory of generalized harmonics connected with that of spin networks establishes semiclassical connections for treating discretization procedures, specifically, the hyperquantization algorithm treated by us elsewhere.
超球坐标系是为核和分子物理的少体散射问题的研究而发展起来的,例如在化学反应中要求严格的量子计算的实际实施中。超角动量及其特征函数,即超球谐波,是表征分子动力学的超球表示的数学工具。为了克服超球面方法在实际应用中由于计算成本过高而受到的限制,提出了一种适用于团簇和大分子系统动力学的经典力学超球面公式。广义谐波的渐近理论与自旋网络的渐近理论建立了处理离散化过程的半经典联系,特别是我们在其他地方处理过的超量化算法。超球坐标系是为核和分子物理的少体散射问题的研究而发展起来的,例如在化学反应中要求严格的量子计算的实际实施中。超角动量及其特征函数,即超球谐波,是表征分子动力学的超球表示的数学工具。为了克服超球面方法在实际应用中由于计算成本过高而受到的限制,提出了一种适用于团簇和大分子系统动力学的经典力学超球面公式。广义谐波的渐近理论与自旋网络的渐近理论建立了处理离散化过程的半经典联系,特别是我们在其他地方处理过的超量化算法。
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引用次数: 4
Hygric and thermal properties of selected materials suitable for interior thermal insulation systems 适用于室内保温系统的选定材料的水力学和热性能
M. Jerman, R. Černý
The properties of three thermal insulation wood fiber boards suitable for the application on the interior side of historical building envelopes are studied in the paper. Water absorption coefficient, apparent moisture diffusivity, thermal conductivity, and specific heat capacity of all materials, as fundamental hygric and thermal parameters, are measured in a dependence on moisture content. The measured data will be used as input parameters in computer simulation studies which will provide moisture and temperature fields necessary for an appropriate design of interior thermal insulation systems.The properties of three thermal insulation wood fiber boards suitable for the application on the interior side of historical building envelopes are studied in the paper. Water absorption coefficient, apparent moisture diffusivity, thermal conductivity, and specific heat capacity of all materials, as fundamental hygric and thermal parameters, are measured in a dependence on moisture content. The measured data will be used as input parameters in computer simulation studies which will provide moisture and temperature fields necessary for an appropriate design of interior thermal insulation systems.
本文研究了适用于历史建筑围护结构内立面的三种保温木纤维板的性能。所有材料的吸水系数、表观水分扩散系数、导热系数和比热容,作为基本的水力学和热学参数,都是根据水分含量来测量的。测量数据将用作计算机模拟研究的输入参数,这将为适当设计室内隔热系统提供必要的湿度和温度场。本文研究了适用于历史建筑围护结构内立面的三种保温木纤维板的性能。所有材料的吸水系数、表观水分扩散系数、导热系数和比热容,作为基本的水力学和热学参数,都是根据水分含量来测量的。测量数据将用作计算机模拟研究的输入参数,这将为适当设计室内隔热系统提供必要的湿度和温度场。
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引用次数: 0
Tracer experiments with lithium chloride to evaluate the hydrodynamics of constructed wetlands. Comparison of alternative analytical methods 氯化锂示踪试验评价人工湿地水动力学。不同分析方法的比较
H. Pinho, Dina M R Mateus, A. Alves, N. Graça
The characterization of water flow dynamics (hydrodynamics) through constructed wetlands is relevant for optimizing wastewater treatment. Although constructed wetlands consist of simple systems, the water flow is complex and irregular, therefore, the study of hydrodynamics requires the use of experimental technics such as tracer experiments. To evaluate the effects of the use of three different analytical methods to compute the concentration of lithium chloride on the main hydrodynamics parameters, tracer experiments were conducted in ten independent lab-scale constructed wetlands. The concentration of lithium chloride in the output flow of the wetlands was calculated by flame photometry, electrical conductivity using a calibration curve and electrical conductivity using the salt molar conductivity. The paired samples T-test or the non-parametric Wilcoxon’s Signed-Ranks test were used to demonstrate that the computed hydraulic retention time and the number of tanks accordingly with the tanks-in-series model were not significantly affected by the selected analytical method.
通过人工湿地的水流动力学(水动力学)表征与优化废水处理有关。人工湿地虽然由简单的系统组成,但水流复杂且不规则,因此,水动力学的研究需要使用示踪实验等实验技术。为了评估使用三种不同的分析方法来计算氯化锂浓度对主要水动力学参数的影响,在10个独立的实验室规模的人工湿地进行了示踪实验。采用火焰光度法、电导率法和盐摩尔电导率法分别计算了湿地输出流中氯化锂的浓度。采用配对样本t检验或非参数Wilcoxon 's Signed-Ranks检验表明,所选择的分析方法对储罐串联模型计算的水力滞留时间和储罐数量没有显著影响。
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引用次数: 0
Survey on the usage of public cloud services with copyrighted contents 含版权内容的公共云服务使用情况调查
T. Sochor, Pavel Smolka, Zuzana Priscakova, P. Jedlicka, D. Dlabolova
As the importance of public cloud services for sharing various files including copyrighted contents increases, a poll was organized among Czech university students focusing on their usage of such services so that to reveal their habit in usage of such services. The results from more than 750 respondents showed that there are certain typical usage patterns. The most significant conclusions showed that female usage of interactive cloud services differ, e.g. in more frequent usage of Uloz.to and Facebook and less frequent usage of LinkedIn.As the importance of public cloud services for sharing various files including copyrighted contents increases, a poll was organized among Czech university students focusing on their usage of such services so that to reveal their habit in usage of such services. The results from more than 750 respondents showed that there are certain typical usage patterns. The most significant conclusions showed that female usage of interactive cloud services differ, e.g. in more frequent usage of Uloz.to and Facebook and less frequent usage of LinkedIn.
随着公共云服务对共享包括版权内容在内的各种文件的重要性的增加,我们在捷克的大学生中组织了一项调查,关注他们对公共云服务的使用情况,以揭示他们使用公共云服务的习惯。750多名受访者的调查结果显示,有一些典型的使用模式。最重要的结论是,女性对交互式云服务的使用有所不同,例如更频繁地使用Uloz。Facebook和LinkedIn的使用频率也有所下降。随着公共云服务对共享包括版权内容在内的各种文件的重要性的增加,我们在捷克的大学生中组织了一项调查,关注他们对公共云服务的使用情况,以揭示他们使用公共云服务的习惯。750多名受访者的调查结果显示,有一些典型的使用模式。最重要的结论是,女性对交互式云服务的使用有所不同,例如更频繁地使用Uloz。Facebook和LinkedIn的使用频率也有所下降。
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引用次数: 1
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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2019 (ICCMSE-2019)
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