According to the characteristics of loads on blades, a model for estimating fatigue life of blades is presented based on three-dimensional finite element method and improved local strain method.
根据汽轮机低压叶片所受载荷的特点，建立了一种基于三维有限元法和改进局部应力应变法的叶片疲劳寿命预测模型。
Objective To explore a fast and precise method for the establishment of three-dimensional finite element model of lumbar.
目的探索一种快速、精确的建立腰椎三维有限元模型的简便方法。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
Accordingly, a nonlinear mathematical model of three dimensional temperature fields in quenching processes has been proposed based on the Finite Element Method in this paper.
本文据此提出了三维非线性淬火温度场有限元数学模型，模型中耦合了温度和相变潜热的计算。
A calculating model of finite element method with three-dimensional beam element for subsurface pipeline was established.
建立了埋地输油管道三维梁单元有限元应力应变计算力学模型，并给出了求解方法。
Objective: to explore the method to construct three-dimensional finite element model for maxillary posterior-tooth area, maxillary sinus, zygoma and zygomatic implant.
目的：探讨上颌骨后牙区、上颌窦、颧骨及颧骨种植体的三维有限元建模方法。
The finite element program generated by this method is utilized for calculating the three dimensional magnetic field distribution of a model.
利用该方法生成的有限元程序计算了一个三维模型的磁场分布。
During building the finite element model of three-dimensional car parking lot rigid-framed structure, discusses it's generating method and the relative part which should be worth attention.
在构建立体停车库刚架结构体的有限元模型时，论述了其生成方法和其中应注意的环节。
The paper presents a three - dimensional static model of the whole drill-string, and the model is solved by finite - element method.
本文提出了整体钻柱三维静力学模型并利用有限元法求解。
A linear elastic damage model based on finite element method at mesoscopic level was applied to investigate the three-dimensional failure process of rock subjected to various stress loadings.
采用细观弹性损伤模型和有限元计算方法实现岩石三维破裂过程的数值模拟。
Methods: the finite element model was created by using the standard edentulous jaws model; its stresses and deviation were analyzed with the three-dimensional finite element stress analysis method.
方法：以标准的无牙颌模型为原形建立无牙颌全口义齿的有限元模型，运用三维有限元应力分析。
OBJECTIVE: To construct a lumber spine (L3-5) biomechanical model using three-dimensional finite element method.
目的：应用三维有限元法建立L3~5腰椎活动节段力学模型。
OBJECTIVE: To construct a lumber spine (L3-5) biomechanical model using three-dimensional finite element method.
目的：应用三维有限元法建立L3~5腰椎活动节段力学模型。
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