This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.
文章针对钻井工程中钻柱横向振动的实际情况，建立力学模型。
Then three-dimensional geological and mechanical model was established, and study of spatial deformation characteristics with FLAC-3D (Fast Lagrangian Analysis of Continua) was detailed.
并建立了相应的三维地质力学模型，应用FLAC 3D快速拉各朗日差分程序对其空间变形特征进行了详细的分析。
Through the force analysis of the main vibration system about the CDQ electromagnetic vibration feeder, the vibration mechanical model is established and the dynamics parameter is computed.
通过对干c DQ电磁振动给料机主振动系统的受力分析，建立振动力学模型，并进行动力学参数计算。
On the basis of analysis of previous mechanical models, a multi degree model with a distributed mass is established.
在分析研究现在常用力学模型的基础上，建立了多自由度分布质量模型。
Casing, cement and formation plane strain mechanical model are established, considering casing with initial ovality.
针对套管的不同初始椭圆度建立了套管、水泥环、地层平面应变力学模型。
To analyze the variation of the parameters of the soil, the mechanical model and numerical method of the explosion compacting the cushion and soil are established.
为了分析爆炸挤压后土体参数的变化规律，建立了爆炸挤压垫层和粘土的力学模型及数值方法。
A mechanical model for the vibration insulation system of the R4105 Diesel Engine is established and the transmission of vibration is analyzed with experiment.
建立了R 4105柴油机隔振系统的力学模型，并利用实验研究对比的方法，对r 4105柴油机振动的传导进行了分析。
The author has established the mechanical model of O-chain iron and U-chain iron respectively, obtained the computing formula of load and stress, and contrasted with example.
本文分别建立了O形环与U形环的力学模型，推导出了载荷、应力分布的计算公式，并引用实例进行了对比分析。
Mechanical model of plant cell is established.
建立了植物细胞的力学模型。
Taking account of motor rotating speed fluctuations, a system equivalent mechanical model is established.
考虑电动机转速的波动，建立了系统的等效驱动力学模型。
A computer model for the mechanical response of steel bridge deck surfacing under wheel loading is established by using the finite element method.
采用有限元方法建立在车载作用下钢桥面铺装层的力学响应计算模型。
Based on structural dynamic theory, the resonance mechanical model is established.
根据结构动力学理论，建立了边坡共振的力学模型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
The vibration mechanical model of gantry and bridge crane is established by means of structural analysis.
通过对门桥式起重机的结构分析，建立了其振动力学模型。
A coupled reaction transport mechanical dynamic model for fault system is established and described.
本文建立了断裂体系的反应-输运-力学耦合动力学模型并编制了模拟程序。
A mechanical model is established based on the actual bearing capacity of the steel sheet cofferdam.
根据钢板桩围堰的实际受力状况建立力学模型。
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
A mechanical model for installing tubing stabilizer in vertical well is established, and a method of calculating axial force in tubing is presented.
建立了竖直井安装扶正器的油管力学模型，给出了油管任意横截面轴力的计算方法，导出了相邻扶正器之间油管失稳的临界状态方程。
A mechanical model for calculating the strength of the crank pin on pumping units is established by a rotary coordinate.
采用动坐标系建立了曲柄销强度计算的力学模型。
According to the mechanical character of simply supported steel box girder with prestressed tendons, and considering the interaction of tendons and girder, the finite element model is established.
根据预应力简支钢箱梁的受力特性，考虑预应力索与钢箱梁的相互作用，建立了有限元计算模型，有限元计算值与实测值吻合较好。
A mathematics model has been established for a mechanical electronic governing system of a diesel engine.
提出了一种柴油机机电复合式调速系统，建立了数学模型。
The decay trend prediction model of mechanical equipment capability adopted single invisible layer feed forward network and chose the expansion speed of RBF, the network was established.
机械装备性能衰退趋势预测模型，采用单隐层前馈网络，通过径向基函数的扩展速度的选择创建网络。
Aimed at the problems of thick plate fine blanking process, a computational mechanics model based on its characteristic was established to analyze the mechanical state of the process.
针对厚板精冲过程中的各种问题，根据其工艺特点，建立了精冲计算力学模型，并分析了厚板精冲过程的力学状态。
According to the mechanical analysis of bridge crane's grab, the mathematical model between crane's horizontal movement and grab swing is established.
根据起重机抓斗的受力分析，建立了起重机水平运行与抓斗摆动关系的数学模型。
The cracking mechanism based on non linear fracture model for rock concrete materials is proposed and micro mechanical model for fracture process zone (FPZ) established.
提出了一种描述岩石、混凝土类材料断裂损伤过程区的细观力学模型，用于分析材料的非线性断裂的微观机理。
Based on the local, migratory and subsection characteristics of main roof fall of longwall face, the main roof was divided into some plate group, and plate group mechanical model was established.
针对长壁工作面顶板垮落具有局部、分段、迁移的时空特征，将长壁工作面采场顶板划分成若干个相互铰接的薄板，建立了薄板组力学模型。
A mathematical model for the pod's mechanical transmission system was established with MATLAB. The improvement on system dynamic performance made by the filtering network was analyzed.
运用MATLAB软件建立了系统机械传动装置的数学模型，分析了该滤波网络对系统动态性能的改进效果。
A mechanical model for the fractured roof and truss system is established based on stability theory for elastic system and analysis of stability of a dynamic system.
应用弹性系统稳定性理论对断裂顶板-锚拉支架系统建立了动力系统稳定性分析的力学模型。
A mechanical model for the fractured roof and truss system is established based on stability theory for elastic system and analysis of stability of a dynamic system.
应用弹性系统稳定性理论对断裂顶板-锚拉支架系统建立了动力系统稳定性分析的力学模型。
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