Where was dyna-drill first made?

代纳钻具首先是在哪儿造出来的？

Dyna-drill was not yet known at that time.

那时还不知道代纳钻具。

The tube bending forming processes are simulated by explicit finite element code LS-DYNA.

采用显式有限元分析软件LS -DYNA ，对于圆形钢管的弯曲加工过程进行数值模拟。

This paper introduces a newly developed piezoelectric two component dyna- mic dynamometer.

本文介绍了一种新研制的压电双向动态切削测力仪。

The word "curtain" is widely used in graceful and restrained poems in Tang and Song Dyna-sty.

“帘”意象在唐宋婉约词中应用范围极其广泛。

He told me if the methodology did not work for me, then I could start using my Dyna Tracker again.

他告诉我，如果方法没有工作，为我，然后我可以开始用我的动态跟踪。

Sheet metal digital incremental forming process is simulated with finite element software LS_ DYNA.

利用有限元软件LS_DYNA模拟金属板材单点渐进成形过程。

In this thesis, by using FEM software-LS-DYNA, we simulate the process of sheet metal Incremental Forming.

本文利用有限元分析软件LS - DYNA对金属板料渐进成形的过程进行了模拟。

In this paper, the improved free-interface coupling method is adopted for dyna - mic analysis of blade groups.

本文采用改进的自由界面模态综合法计算汽轮机叶片组的固有振动。

The advanced DYNA - CHROME electroplating technology for automotive shock absorber rod was introduced in detail.

详细介绍了当今世界上最先进的汽车减振器杆硬铬电镀技术(DYNA - CHROME)。

A special testing sequence input is need for measuring maximum dyna - mic current of a combinational logic circuit.

组合逻辑电路的最大动态电流测试应在电路的原始输入端施加一个特定的测试序列才能实现。

Subduction and collision theory of Plate tectonics is a basement of the study of granite tectonic dyna mics and geodynamics.

板块俯冲碰撞理论曾是花岗岩构造动力学、地球动力学研究的主线。

The program could automatically call LS-DYNA solver, which greatly increased the efficiency of the trimming line optimization.

在程序中实现了LS - DYNA求解器的自动调用，大大提高了切边线的优化效率。

The finite element model of shallow spherical shell structures impacting a rigid plate is developed using the software LS-DYNA.

使用LS - DYNA软件建立了薄壁扁球壳结构撞击刚性板的有限元模型，并通过试验结果对模型的有效性进行了验证。

And DYNA levels in plasma were higher than that in other tissues, illustrating besides direct correlation with spinal cord damage.

血浆中dyna浓度较其他组织都高，说明其与脊髓损伤直接相关。

The dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.

通过有限元软件LS-DYNA模拟了海冰与JZ20-2NW北高平台相互作用的动态断裂过程。

According to European side crash regulation, ECER95, the side crash property of a native car is analyzed by USA ETA/VPG and LS-DYNA softwares.

应用美国ETA/VPG及LS-DYNA软件，按照欧洲侧面碰撞法规ECER95，对国产某轿车汽车侧面碰撞车身抗撞性能进行了计算机仿真分析。

Using ANSYS / LS-DYNA software, based upon the test results, the axial crash behaviors of the aluminum foam-filled circular tubes are analyzed.

采用ANSYS/LS-DYNA软件对空圆管和泡沫铝填充圆管受轴向压缩时的吸能特性进行数值模拟研究。

The double sides pressurized hydroforming process of metal sheet is numerically simulated by applying the commercial FEM software ANSYS/LS-DYNA.

应用商用有限元软件ANSYS/LS-DYNA，对板料的双向加压液压胀形过程进行了数值模拟。

The wielding of state functions whether of social or governing nature had important impact on the official historiography of the Ming and Qing Dyna.

无论是从发挥国家的社会职能讲，还是从发挥国家的统治职能讲，都对明清两朝的官修史籍的活动有重大的影响。

The tube bending forming processes are simulated by explicit finite element code LS-DYNA. The model that tube is bent in a rotary machine is adopted.

采用显式有限元分析软件LS - DY NA，对于圆形钢管的弯曲加工过程进行数值模拟。

Furthermore, the temporal curves of the maximal depression displacement are obtained by ANSYS LS-DYNA. The simulation results agree with those of the tests.

其次采用ANSYS LS - DYNA进行了仿真模拟，给出了凹陷变形的时程曲线，获得了与现场实验较一致的结果。

The anti-blasting and absorbing energy mechanisms of composite protective structure under blasting loads were numerically simulated by applying ANSYS/LS-DYNA.

采用ANSYS/LS-DYNA软件对复合结构各层中的爆破能量的分布进行了系统的数值模拟研究；

DYNA software. The crash tests of different thickness, number, length steel panel and different section, number, length, thickness square column are simulated.

对不同厚度、不同数量、不同长度的受冲钢板，以及不同剖面尺寸、不同板厚、不同数量的方形梁进行了仿真分析研究。

Simulated the typical ships broadside protection structure under the underwater contact explosion load by non-linear dynamical finite element software LS-DYNA.

采用非线性动力有限元软件LS-DYNA对典型舰船弦侧防护结构在水下接触爆炸载荷作用下进行数值仿真。

For a moving bridge machine under investigation, the dynamic error sources are analyzed, a model for dyna mic error is made and the errors are measured completely.

针对一移动桥式三坐标测量机，分析了其动态误差的产生原因，建立了动态误差的数学模型，对动态误差进行了全面的测量和补偿。

A finite element model describing the drawing process of the heat-shield panel of automobile engine is established by using the commercial dynamic explicit code LS-DYNA.

使用基于动态显式算法的商业软件LS - DYNA建立了某汽车发动机隔热罩拉延成形的有限元模型。

The characteristic and principle of steel bar type energy absorber are introduced, and the wave form reappeared principle of the energy absorber is simulated by LS-DYNA.

介绍了自行设计的汽车模拟碰撞吸能器的特点及原理，利用LS - DYNA有限元分析软件对吸能器的波形复现原理进行了仿真分析。

The model is implemented through a user defined material model in LS-DYNA. The model parameters are calibrated and validated by the data from related concrete penetration tests.

利用LS - DYNA程序的用户自定义材料模型开发并实现了模型算法，并用有关混凝土侵彻试验结果对模型参数进行了标定。

The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated.

主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。