• 表面拉处出现相变此处材料进入马氏体

    Results also show that phase transformation hinge appears later on the tensile surface of cylindrical shell, but the material here goes into martensite phase first.

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  • 均布肋椭元强度计算一个比较复杂力学课题

    The strength calculation of ring-stiffened cylindrical shell of oval cross section under uniformly-distributed external pressure is a complicated problem in mechanics.

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  • 两个圆弧柱壳连结处布置某种型式的向水密壁进行加强

    There is a vertical waterproof longitudinal bulkhead between the two shell-junctures, it reinforced by some stiffener.

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  • 解析法求得了无限一边固定一边力偶作用精确

    The exact solution of infinitely long circular cylindrical shell with one end fixed, the other end loaded by a couple is obtained.

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  • 水下环形肋连接有限长双层激励下的稳态振动特性进行了研究。

    The characteristics of vibration in a submerged double shell connected by annular plate drived by a point force in inner shell is studied.

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  • 论文具体研究工作如下研究含孔结构弹性散射应力集中问题。

    The main research contents in this dissertation are as follows: Elastic wave scattering and dynamic stress concentration in circular cylindrical shells with a hole are studied.

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  • 本文提出了一用于体高层结构塑性地震反应分析系——计算模型

    A calculation model of bar system-cylindrical shell to be used for elastoplastic analysis of earthquake response of reinforced concrete tube structures is given in the thesis.

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  • 针对在电磁场机械耦合作用非线性变形问题数值解法进行了研究。

    The numerical method for nonlinear deformation problems of current-carrying columnar shell under the coupled action of electromagnetic field and mechanical field are studied.

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  • 通过算例得出结构欧拉曲线验证了半解析有限条元正确性与合理性。

    The Euler curve of thin shell structural off, stability due to external water pressure is obtained and the correctness and reliability of the method are proved.

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  • 外加载荷大小加载宽度结构体长度同时柱壳结构截面上拉应力最大值大于平板。

    When their loading sizes, widths and lengths are the same, the maximum value of stress at the center of cross-section will be greater than that of the plane structure.

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  • 相同条件下高度一定范围内时,轴对称屈曲范围随着高度的增加而变大。

    Under the same conditions, the height of cylindrical shells is a known scope, the scope of axisymmetric buckling increases as the height of cylindrical shells increases.

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  • 因此可以预见对于应用局部加载降低结构焊接残余应力结构要比平板结构效果更好

    It can be predicted that the cylindrical shell structure is better than the plane structure in reducing welding residual stress through local loading.

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  • 结果表明,离散破片冲击波超压引爆带防护的装药难,目标结构进行毁伤

    The results show it is difficult to detonate the charges covered steel shell by rod fragments and shock wave, but they could damage the structure of the targets in appropriate conditions.

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  • 某些简化假定前提下,导出流体塑性动力反应影响解析主要参数之间关系

    Under some simplify conditions, an analytic solution and a relationship among main parameters have been obtained for the influence of fluid on the dynamic plastic response of the cylindrical shell.

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  • 抛弃任何有关应力位移模式人为假设,在轴对称情况,对强厚度叠层闭口建立状态方程

    Giving up any assumptions about displacement models and stress distribution, the state equation for the axisymmetric problems of thick closed laminated cylindrical shells is established.

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  • 结构两个对称非闭合大弧度圆弧横截面对接而成的闭合柱壳结构(简称“双圆弧柱壳”);

    The symmetrical bi-cylindrical structure is a closed shell composed by two unclosed arch shell.

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  • 为了研究静力加载荷对诸如等结构动态稳定性影响采用一种简单的缺陷敏感塑性模型

    In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.

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  • 本文利用AMT铝合金三种不同厚度常外不同轴向冲击载荷作用柱壳塑性动力屈曲问题。

    A dynamic plastic buckling analysis of three AMT aluminum alloy circular cylindrical shell with different thickness under external pressure and axial impact is presented in this paper.

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  • 采用3维实体单元模拟激光辐照下静止及旋转充压的应力应变分布,分析了柱壳可能发生破坏的位置和条件。

    When a laser beam irradiates a cylinder shell, the irradiated area becomes softer and the cylinder shell will be destroyed.

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  • 文中对射弹撞击引爆装药几种判据进行了分析,并利用某型破片式战斗部对带防护的装药模拟进行了易损性毁伤试验研究。

    The damage experiments of simulation target′s vulnerability were made by using the real rod warhead to the charges covered steel shell.

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  • 根据工程实际,利用弹性薄理论,将直埋管道直管作为建立物理模型,在相应曲线坐标下,对作用于管道上的荷载进行受力分析

    Based on the fact, regarding the pipe of direct-buried pipe as cylindrical shell, the article establishes curvilinear coordinates, and analyzes the loading on the pipe.

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  • 研究了加肋锥双层结构水下爆炸作用下冲击响应规律

    The paper researched on the rule of impact response for double taper-column shell structure with stiffening ribs subjected to underwater explosion.

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  • 安装搬运电池均匀受力,受力处应为蓄电池部分避免损伤

    The battery should be uniform force when Installation and carrying the battery. Force at the shell should be part of the battery shell to avoid damage the pole.

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  • 一个支承大跨度预应力结构有限弹性变形分析表明计算结果影响较大

    Finite elastic deformation analysis of a four column supported prestressed latticed shallow shell roof shows that the bolts have influence upon the computed results more significantly.

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  • 作为均匀支承条件下的组合旋转结构支承受力性能破坏准则相当复杂

    As a kind of non-evenly braced composite rotating thin-walled shell structures, the structural behavior and failure criterion of column supported steel silo are very complicated.

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  • 说明它们地幔部,地幔岩辉岩(玄武质)组成的源区产生的岩浆形成的。

    The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.

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  • 解析方法计算了受静水外压载荷作用的过渡段的锥—组合中的应力值,并用计算了其稳临界载荷。

    Stresses in cone cylinder shells with toroidal transition inserted are investigated by an analytical method, and buckling pressures for the shells are presented by Rayleigh Ritzs method.

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  • 简单介绍了地幔特征类型及其富钴成矿作用中的地位。

    Characteristics and types of mantle plumes and their roles in the mineralization of Co-rich crusts are briefly introduced.

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  • 预应力三阶段设计为分析预应力施加对支承扁网静力性能影响

    The effect of practical prestressing on the static specialties of a kind of column-supported lattice shallow spherical shells is studied through the example of three-phase prestressing design.

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  • 断路器尺寸紧凑、栅片受限制出发,提出降对限流同样很大作用

    According to the compact geometry along with limited number of deion plates of MCCB, it was proposed that arc column voltage also play an important role in interrupting process of MCCB.

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