shell model

Based on the nuclear shell model ( NSM), we have calculated the sequences of γ-ray transition rates and the pure E2 reduced transition probabilities of~ ( 143) Pm, and compared with experimental data.

利用核壳模型在计算143Pm核能级结构及对应的自旋宇称基础上，系统地对其γ级联跃迁链以及纯E2跃迁进行了计算，并与实验数据进行对比。

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The isospin dependent quantum molecular dynamics model has been further developed by considering shell effect and the fusion mechanism near Coulomb barrier is studied by using the improved model.

通过考虑动力学中的壳效应，对同位旋相关的量子分子动力学模型做了进一步改进，并利用改进的量子分子动力学模型对近垒熔合机制做了动力学研究。

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Calculations of nucleon densities, kinetic energy densities, spin densities and charge density with shell model for~ ( 40) ca

~（40）Ca的核子密度、动能密度、自旋密度和电荷密度的壳模型计算

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examination on the shell model of the nucleus i

原子核壳层模型的检验Ⅰ

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Seniority and k-structure of the cranked shell model wave function(ⅱ) odd-A nuclei

推转壳模型波函数的Seniority结构和K结构（II）奇A核

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The skeleton of the new autoignition model is based on Shell model, which considers the effect of methane on autoignition of diesel.

着火模型的基本框架仍然采用Shell模型，但考虑了CH4对柴油着火过程的影响。

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Based on the semi-analytical solution of Hamilton canonical equation, a new mathematical model for the vibration characteristics of a group of double-shell structures is proposed.

以Hamilton正则方程的半解析法为基础，为一类双壳结构的振动特性提出了一种新的数学模型。

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Monte-Carlo Simulation of Energy Deposition of Electrons in a Spherical Shell Model

Monte Carlo模拟电子在球壳模型中的能量沉积分布

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Analysis on initial rock stress measurements by orthotropic spherical shell model

岩体初始应力实测值的各向异性球壳模型解析

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By using modified Shell model numerical simulation of the autoignition process on pilot fuel was made.

采用经过修正的Shell模型，对引燃油的着火过程进行了数值模拟；

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In this paper, aimed at minimizing the whole strain energy of thin shell structure, the model of shape optimization and the topology optimization were built up. The feasible solutions to shape optimization and topology optimization have been found.

以薄壳结构整体应变能最小为目标，建立了薄壳屋盖的形状优化与拓扑优化模型，并提出了薄壳屋盖形状优化与拓扑优化的的求解方法。

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This is an extended version of the previous sdIBM microscopic approach, starting from the shell model configuration and effective nucleon-nucleon interaction and based on the boson expansion theory and MJS ideal boson description.

它是以壳模型组态及核子-核子有效相互作用为出发点，以玻色子展开和MJS代换为基础的SdIBM微观研究方案的推广。

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the experiments of a shell model under supercavitation were done by adopting the header cable wire tow for the first time.

首次采用首部钢丝绳牵引方式进行了超空泡流下壳结构模型实验。

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Based on the line-spring shell model, J integral of circumferential and axial cracks in pipe elbows is calculated by EPRI method. Then by following the procedure of EPRI, F 1 function and h 1 function are given.

采用线弹簧壳体模型进行有限元计算求解含裂纹弯管的J积分，而后仿照EPRI方法的思路，给出了J估算式及其相关系数F1和h1。

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all these can be well explained by the numerical calculation which is performed by use of the spherical shell model proposed by carroll and holt in 1972.

这些能用Carroll和Holt的球壳模型作的数值模拟计算清楚说明。

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The response-displacement method and thin circular cylindrical shell finite element model are used for the analysis of earthquake stress at the T-joint of buried pipes. The numerical results are in good agreement with the experimental results, and some useful conclusions are obtained.

采用反应位移法和圆柱薄壳有限元模型对地下管道三通地震应力进行了分折.计算结果与实验结果吻合较好，得出了一些有益的结论。

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This paper mainly summarized as follows: Chapter ⅰ, we have reviewed four kinds of nonrelativistic models, including the liquid drop model, fermi gas model, shell model and collective model.

本文的主要内容可以概括为以下几个方面：一，第一章主要介绍了四种非相对论的模型：液滴模型、费米气体模型、壳模型和集体模型。

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We used the cranking shell model to investigate the high-spin motions and structures of atomic nuclei.

用推转壳模型计算研究了原子核的高速转动运动及其结构特性.

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Estimation of initial rock stress based on orthotropic spherical shell model

原岩应力状态的正交异性球壳模型评价

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The first is to optimize the business model: Competition in a variety of business models, survival of the fittest. To make best use of the advantages and bypass the disadvantages. To improve the individual business model. Entity of shell company and briefcase company.

一是优化经营模式：多种经营模式竞争，优胜劣汰；扬长避短，完善个体经营模式；空壳公司、皮包公司实体化。

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A numerical simulation using the k-ε model was done to study the effect of the burner's throat diameter, throat opening ratio and outer shell length on the gas reflow characteristics.

运用k-ε模型，对喷管燃烧器喉部直径、喉部开孔率及外罩壳长度等结构参数对燃烧器回流特性的影响进行了数值模拟。

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The experimental reduced transition probability is compared with theoretical values. Such a phenomenon is discussed based on the formula of magnetic dipole reduced transition probability deduced from the Cranking Shell Model and Particle Rotor Model respectively.

基于推转模型和粒子转子模型关于奇奇核二准粒子转动带磁偶极约化跃迁几率的描述，对稀土区双奇核的这一行为进行了讨论。

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Magnetic Moments of Odd A Nuclei in q-Deformed Nuclear Shell Model

q形变壳模型中奇A核的磁矩

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This article uses nonlinear finite-element method, including both geometric and material nonlinearity, when modeling a axisymmetric loaded tank shell model in a typical range of dimension by a quasi-static elastic-plastic buckling approach.

在考虑大变形几何非线性和材料非线性条件下，本文利用非线性有限元法，以轴对称载荷壳单元模型，对一定尺寸范围内的储罐进行了准静态弹塑性屈曲分析。

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The failure mode and failure load of the shell are based on the results of ANSYS numerical simulation in which the time history analysis method is used and the seismic load is applied step by step until the destruction of shell model.

被预测网壳的破坏模式和破坏荷载是以网壳的ANSYS数值模拟的结果为依据，利用时程分析的方法，逐级施加地震荷载直到网壳模型破坏的方法得到的。

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Moreover, experiment studying on stainless steel composite hyperboloid twisty lattice shell model has been finished, which proves that experimental results coincide well with theoretical computation.

在此基础上，又做了不锈钢组合扭网壳模型的破坏性试验研究，试验结果与理论计算值比较，吻合较好。

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To build the finite element model, plastic shell element is used, materials nonlinearity and geometric large deformation are considered. The screws connecting sheathing and frame are modeled through coupling methods.

在建立有限元模型时，采用了塑性壳单元，考虑了材料非线性和几何非线性影响，自攻螺钉连接采用耦合模型。

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Fundamental matrix elements in Nucleon pair state space of truncated shell model

截断的壳模型核子对态空间中的基本矩阵元

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The Reflection Asymmetric Shell Model has been generated to include the axial symmetry break.

反射不对称壳模型推广到包括轴对称破缺.

网络文摘精选

Nuclear Pair Shell Model and Its Numerical Calculation(ⅱ)

原子核的配对壳模型数值计算（Ⅱ）

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