• 本文迭代出发,导出一种有限元模型动力缩聚迭代方法

    Based on the inverse iteration method, an iterative technique for dynamic condensation of finite element models has been derived in this paper.

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  • 有限元模型动力缩聚广泛地应用系统特征分析试验-分析模型相关分析领域中。

    Dynamic condensation methods for finite element models have been broadly applied in eigenvalue problems of large structures, test analysis model correlation and so on.

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  • 方法计及了各个子结构剩余态的作用,基本扇形全体对接自由度这种精确动力缩聚进一步提高了动态分析的效率。

    It collects the residual mode contributions of various substructures, and then eliminates all interface degrees of freedom of the basic sector. Hence this accurate dynamic reduction fur...

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  • 运用经典动力缩聚理论基本观点对铸铁石墨形态形成机理进行了分析研究。

    The state and forming mechanism of graphite in cast iron are analysed with classical dynamics and polycondensation theory.

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  • 利用试验数据修正航天器结构动力模型使用缩聚方法使有限元自由度试验自由度匹配。

    When the spacecraft structural dynamic model is updated using test data, the freedom of FEM can be matched with test freedom by means of reduction method.

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  • 研究了二苯基二氯硅烷双酚-A等克分子条件下缩聚反应动力

    The kinetics of the polycondensation between diphenyl-dichlorosilane and bisphenol-A in equal mole ratio has been studied.

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  • 获得酯化反应、酯化缩合反应、缩聚反应以及二甘醇生成反应动力参数

    The esterification, polyesterification, polycondensation and the formation of diethylene glycol (DEG) reaction kinetic parameters were obtained.

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  • 利用由雪耙模型导出Z缩聚时间表达式并结合“强光”Z箍缩实验结果,修正了由一维等熵气体动力得到的喷嘴气流线质量表达式。

    Combining the data of gas puff Z pinch experiments on Qiangguang I generator, the expression of the line mass is obtained using the implosion time expression which is deduced from snow-plow model.

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  • 本文基于逐级逼近理论建立了一种动力模型缩聚逐级近似减缩法。

    On the basis of succession-level approach theorem, a Succession-level Approximate Reduction Technique (SART) of dynamic model is developed in this peper.

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  • 本文报导聚苯撑碱法缩聚动力研究

    The present paper reports the studies of the alkaline polycondensation kinetics of poly (phenylene ether sulfone).

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  • 研究尼龙10 10盐敞开系统熔融缩聚前期动力

    The kinetics of nylon-1010 polycondensation at earlier stage in an open system was studied.

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  • 研究尼龙10 10盐敞开系统熔融缩聚前期动力

    The kinetics of nylon-1010 polycondensation at earlier stage in an open system was studied.

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