• 为获取灵活的曲面编辑能力,设计了一种基于超二次曲面约束变形算法。

    To achieve a flexiblecapability for surface editing, a superquadric-based general constrained deformationalgorithm is designed.

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  • 锅炉部件相互之间一定膨胀间隙防止受热面由于膨胀约束变形

    There is certain expansion clearance between different parts of boiler and one another which can prevent deformation of heated surface due to restrained expansion.

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  • 采用环向约束试验方法研究破裂岩体承载变形特性

    The carrying capacity and deformation characteristics of cracked rock mass were investigated by hoop constraint tests.

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  • 地基坝体相互约束,相互牵制接触面上,两者变形必须协调一致。

    The foundation and dam body restrain each other , pin down one another, on the interface, the deformation of the two must be in concert and harmony.

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  • 能量转换守恒准则导出压缩阵面上屈曲变形附加约束条件

    The criterion of energy transformation and conservation are used to derive the supplementary restraint condition of buckling deformation at the front of axial compression wave.

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  • 提出基于局部约束图像变形算法。

    An algorithm for image warping with local constraints is presented.

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  • 系统为系统深入地研究精密成形过程无模约束自由变形机理成形规律提供了有效手段

    It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.

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  • 脉冲形式(峰值、宽)、分布约束条件决定管件变形形状。

    The post-deforming form of tube is determined by the amplitude, pulse width, distribution and end restrain condition of pulse force.

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  • 本文根据曲梁变形特点和虚功原理,分析了约束钢梁自身刚度变化过程。

    In this paper, based on the behaviour of a curved beam, the change of the stiffness of restrained steel beams is studied.

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  • 基于变形张力基本概念,建立斜拉桥成桥状态的多目标、多约束优化模型,并通过有限元程序求解成桥索力

    Based on the basic concept of the un-deformed pretension of cable, the optimization model of finished state with multi-objective and multi-constraint is used.

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  • 弹性约束之临界变形不仅与杆截面特性相关,取决于约束条件

    Critical force and deformation of elastic restraint rod not only depend on the rod cross section, but also on the restraint condition.

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  • 以往研究中,由于受到三轴试样变形测量手段限制无法定量研究三试样的约束对试样受力变形及其测量结果影响

    Because of limitations of deformation measurement method, it was difficult to research the influences of soil specimen deformation caused by end restraint and end contact in triaxial test before.

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  • 针对一问题,必须采取有效的约束条件和措施,使得长度变形小于1/40 000,从而满足铁路测量精度要求

    Therefore, some necessary restricted measures should be taken to make the projection length (deformation) less than 1/40 000 in order to meet the requirement of accuracy for railway surveying.

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  • 采用变形塑性有限元模拟超塑性材料轴对称锥形模约束过程

    The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.

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  • 建立了分析均布载荷作用约束悬臂弹性变形三阶段模型

    A model for analyzing the large deflection of an elastic cantilever beam with constraint under uniformly distributed load was established.

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  • 基于有限变形理论研究了正常固结藤森黏土边界约束效应加载速度效应。

    The finite deformation theory is applied to investigate the effects of boundary condition and loading speed on shear band localization of normally consolidated Fujinomori clay.

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  • 约束条件以及结构单元参数进行分析,得到了龙骨结构重力载荷作用应力变形

    By dealing with constraint condition and cell parameter, results of elements' stress and nodal displacement of the keel were obtained under gravity load condition.

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  • 悬臂翼缘板和腹板弯曲时互相固,截面变形约束作用。

    Cantilever crane beam flange web in bending due to board edge are mutually embedded, a restriction on the cross section deformation.

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  • 强度变形尺寸限制约束寻求最小重量目标函数

    The min. weight target function is computed under the boundary conditions of strength, distortion and limit of dimensions.

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  • 温度变形自生收缩变形约束形成应力引起混凝土早期开裂主要驱动力;

    The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.

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  • 引入三种变形约束规则位置约束形状约束重复性约束

    The paper puts forward three deformation restriction rules: position restriction, shape restriction and repeating restriction.

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  • 首先第二种约束方式下,利用有限元分析方法几种不同板机架进行静态分析,得到了机架变形应力各阶振型频率

    First, using second constrain, the static state and dynamic analysis applied to the frame of a few thickness plates with FEM modal analysis, distortion, stress, vibration and frequency were gained.

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  • 本文结合简单绘制技术外力约束方法提出了一基于样条曲线驱动的自由变形方法。

    The authors present a novel based on spline-driven free-form deformation method which adopts a simple 3d sketching technique and external-force constrain.

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  • 考虑混凝土的内外约束混凝土徐变变形有限元法求解混凝土不利面的温度应力,并用大型有限元软件ANSYS对温度应力场进行了模拟。

    According to consideration of restriction and creep deform in mass concrete, the temperature field and thermal stress are simulated through the finite element program ANSYS.

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  • 计算结果表明加固方法能有效约束混凝土横向变形提高钢筋混凝土柱的极限承载力延性有明显的效果;

    The results shows that the lateral deformation was confined effectively and the ultimate compressive strength was increased, the ductility was improved.

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  • 混凝土自身而言,产生裂缝机理一般认为是因为混凝土材料变形约束引起内应力大于材料抗拉强度缘故。

    The mechanism of crack is that internal stress in concrete material caused by its restricted deformation is greater than tensile strength of material generally.

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  • 通过试验得出钢梁温度分布、变形轴向约束连接弯矩的变化规律。

    From the test results, the regularities of temperature field, deflection, axial restraining force and connection moment are presented.

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  • 针对约束变形曲面交互设计设计需求出发,提出了雕刻操作直接对应于设计需求的手段

    From the design requirement, the conception of sculpting operation is developed which is a new method of sculpting surface according to the design requirement.

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  • 针对约束变形曲面交互设计设计需求出发,提出了雕刻操作直接对应于设计需求的手段

    From the design requirement, the conception of sculpting operation is developed which is a new method of sculpting surface according to the design requirement.

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