查询词典 finite dimensional

In this paper, a three dimensional finite element analysis method is used to analyze the difference of the mechanics response under different vehicles and different loading with different interbedded touch types in asphalt pavement of simi-rigid base layer and flexible base layer.

然而，为了更好地了解沥青路面结构在均匀分布与非均匀分布轮载作用下的力学行为，仍有必要对层间不同接触条件下路面结构层内的力学响应差异进行研究。

Methods. A validated 3-dimensional, nonlinear finite element model of an intact adult human L3-L4 motion segment was developed. Four fusion types were simulated using this model, including anterior lumbar interbody fusion, posterior lumbar interbody fusion, intertransverse process fusion, and interspinous process fusion.

制作一个完整的成人腰3-4节段三维立体多元化模型，再用这个模型来制成4种融合方式的模型，包括腰椎前路椎间融合、腰椎后路椎间融合、腰椎横突间植骨融合、椎板棘突间植骨融合；而且达到融合的程度也不尽相同。

Because of the complex geometry of the inlet box, the finite element method is used to calculate the three dimensional inviscid flow in it.

使用三维粒子动态分析仪首次对进气箱这一风机进口固定导流元件内复杂的气固两相流动进行了详细测量。

Objective To conduct biomechanical study and three dimensional finite element analysis on lumbar spondylolysis and spondylolisthesis treated with single vertebra reduction and fixation system, and to evaluate the long term outcome of isthmic spondylolisthesis treated with direct repair and fixation with LSRF.

腰椎峡部崩裂及滑脱是常见的脊柱疾患，生物力学因素在其发病机制和治疗方法的选择上具有重要作用。其手术的目的是恢复腰椎解剖结构，稳定脊柱。

Methods Biomechanical characteristics of LSRF was tested, and three dimensional finite element model of lumbar spondylolysis and isthmic spondylolisthesis was established, the stress of lumbar i...

目前椎弓峡部崩裂滑脱的治疗方法有原位植骨融合，直接修复单椎体固定，经椎弓根复位固定后外侧植骨融合，椎间融合和前后路同时融

In this dissertation, the moderately thick plate which works as transfer layer in" JinChao Mansion"in Hangzhou is analyzed by 3 dimensional solid finite element and the 9node mixed plate bending element. Several computation models for the transfer plate and the axial deformations of the columns and ahear walls which support the plate are considered in the analysis.

文中用三维实体单元和九节点混合板弯曲单元对杭州&金潮大厦&厚板结构转换层进行了分析，分析中考虑了多种计算模型，并用弹性支承近似地考虑了支承转换板的柱和剪力墙的轴向变形，文中给出了大量的图表。

The objective of this study was to use three-dimensional finite element analysis to investigate the effects of malalignment on the stress distribution in the tibial component of total knee prosthesis and to use Archard's wear law to predict wear depth under in vivo loading conditions.

本研究之目的为利用有限元素分析来探讨手术时所产生对位不当的情况，对超高分子量聚乙烯层应力之影响，并利用Archard的磨耗公式预测体内的磨耗深度。

Thethree-dimensional(3-D) finite element method was used to reconstruct the 3-D models of the mandibula , the firstinferior molar and the implant.

方法应用部分下颌骨 CT扫描图像建立下颌骨的三维有限元模型，根据测量数据建立种植体的三维有限元模型，建立半解剖式种植义齿牙冠的三维有限元模型

Methods:Based on the principle of finite element method and getting three-dimensional coordinates from lateral and frontal cephalometric X-ray films by Baunrind,the landmarks on cephalometric X-ray films were selected as nodes,by which the hard tissue was divided into four noded and pyramidal elements according to anatomic structures and their relationship.

基于有限元分析和Baunrind用头颅正、侧位定位片获取标志点三维坐标的原理，以硬组织标志点作为节点，按照解剖结构及结构间关系对硬组织进行单元划分。

A nonoverlapping domain decomposition method and the finite element method/boundary element method are combined to analyze transverse electric wave scattering properties by a two-dimensional open cavity filled with the multilayer anisotropic dielectric.

应用非重叠型区域分解法结合有限元法和边界元法分析了填充多层各向异性介质的二维开口腔体横电波散射特性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。