利用大型三向六自由度地震模拟振动台,对我国三峡工程溢流坝段进行了动力模型试验。
Dynamic model test of overflow dam section of Three Gorges Project was carried out on a large-scale vibration actuating system.
在振动台上进行拱坝动力模型试验时,设置人工阻尼边界,以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
本文通过刚块动力模型试验,对具有光滑表面刚性块体的动、静摩擦系数关系进行了初步探讨,并以模型试验结果验证了离散元数值模型的正确性。
The relationship between static and dynamic friction coefficients of the rigid blocks with smooth surfaces has been studied preliminarily by means of a dynamic test of rigid blocks in this paper.
对于大型基础,采用现场模型试验测得的参数可能与实际地基动力参数存在较大偏差。
For large scale foundations, dynamic parameters determined via in situ model testing are likely to differ from actual dynamic parameters of subsoil.
模型试验的动力相似理论是结构试验技术中的一个重要的基础性研究课题。
Dynamic similitude theory of the model tests is a basic research topic in structure test technique.
并以模型试验的方法研究了不同充气方式和充气量对螺旋桨水动力和辐射噪声的影响。
The effects of different jet mode and air amount on propeller's hydrodynamics and radial noise are also studied by model tests.
通过大型的模型试验,研究了以红砂岩为填料在水平地震作用下加筋格宾挡土墙的动力特性。
Large model tests are conducted on reinforced gabion walls filled with red sandstone under horizontal seismic loading to investigate the dynamic response of walls.
本文结合一超高层钢筋混凝土剪力墙一核心筒结构的模型试验与有限元动力分析,对超高层筒体结构的动力特性作了具体研究分析。
Incorporating with the model dynamic experiment and Finite-Element seismic analysis of a shear-wall superhigh building, paper gives the earthquake resistant behavior of such structures.
通过模型试验测量大深度载人潜水器低速大漂角运动时所受到的非线性水动力。
The nonlinear hydrodynamic forces on a deep manned submersible at a low forward speed and large drift angles are determined by a model test.
通过对铁路加筋土挡墙在列车重复荷载作用下的室内模型试验和动力特性分析,得出了加筋土挡培在动力荷载作用下的一些重要动态响应参数。
Some important dynamic responsive parameters are worked out about the reinforced earth structure under the impelling loads of train by model tests and analysis of dynamic characteristics.
通过三砖双剪面砌体模型试验研究了动力加载条件下的砌体剪压复合受力相关性。
The results show that the stress correlation under dynamic loading is in much similar to that under static loading.
利用流体动力学理论和动力有限元方法,对一受爆震波作用下的离心机模型试验结果进行了数值模拟与比较,并给出了几种典型屏障物对爆炸防护的影响。
The experimental results of a blasting centrifuge model test are numerically modeled and compared by using the fluid dynamic mechanics theory and dynamic finite element method.
原型振动试验是研究大坝动力特性的重要手段,原型试验与模型试验、数值分析手段相结合,对深入研究坝体的动力特性至为重要。
It is necessary to combine the field test, the model test and the numerical computation in the investigation of dynamic characteristics of arch DAMS.
运用水力学、泥沙运动力学及相似理论,对平流式沉沙池进行了浑水水力模型试验研究。
According to hydraulics, sediment dynamics and similarity theory, a hydraulic model for a horizontal-flow sand basin was designed.
本文运用模态子结构综合法进行结构动态计算和用实验模态分析法进行模型试验,对悬臂平板和结构模型的动力吸振器主要参数进行了比较系统的优化研究。
Based on modal synthetical method and experimental modal analysis, the main parameters of dynamic vibration absorber on a cantilever plate and on a structural model are optimized in this paper.
在进行结构-地基动力相互作用体系振动台模型试验中,再现了地震动激励下有建筑物存在的砂质粉土软土地基的液化现象。
The liquefaction phenomena of sandy powder soil under building footing are reproduced with shaking table tests on dynamic soil_structure interaction.
本文提出的变磁阻式螺旋桨动力仪除用于水面船模试验外,并可用于水下模型及多桨轴模型试验。
The R. P. D. is presented in this paper. Except the usual ship model test, it is possible to carry out measurement of tests for the underwater model and multi-propeller shaft model.
本文是钢-混凝土混合结构模型试验研究的一部分。 本文对一个23层钢-混凝土混合结构1/20模型的动力特性进行了试验研究。
This paper reports part of the experimental investigations of the 1/20 scale model of 23-storey Steel-RC mixed structure model, in which the dynamic characteristics were experimentally studied.
通过振动台模型试验,观察了桩-土-结构体系动力相互作用的现象,验证和掌握了新型桩体与结构的震害特点。
Phenomena of the dynamic interaction of the system were observed, so earthquake damage characteristics between a new type of pile and structure were verified and discovered by shaking table test.
探讨了一种新型的潜艇流噪声与螺旋桨噪声的模型试验方法——自航模水动力噪声测试技术。
Comparison between the simulations of flow-noise of a submarine-like body with four different turbulent models;
探讨了一种新型的潜艇流噪声与螺旋桨噪声的模型试验方法——自航模水动力噪声测试技术。
Comparison between the simulations of flow-noise of a submarine-like body with four different turbulent models;
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