Most injection-molded parts are complicated thin-shell like structure, so the thin shell finite element method is usually used to analyze the warpage and deformation of the parts.
橡塑模具制品一般具有厚度方向尺寸较面内尺寸很小且形状复杂等特点,所以在对制品进行翘曲变形分析时,就可采用薄壳有限元法。
The coordinate transformation method to handle displacement continuation problem on the intersection line of curved surfaces in the curved shell finite element method is presented.
提出了在曲壳有限元法中用坐标转换法处理曲面交线处结点位移的连续性问题。
The common hypotheses of the shell structure aren't alterative in the new finite element method and it finishes the solution through the integral of the different laminas.
新单元的计算方法不改变壳体结构的一般假设条件,利用厚度方向分段积分来完成问题的求解,并对层合截锥壳进行计算。
A static analysis of the ribbed shell of revolution made of composite materials by using the finite element method is presented in this paper.
本文用有限元法研究了加肋和复合材料弹性旋转薄壳的静力问题。
And then obtained the modification model of sensor shell with sufficient accuracy by adopting the combined modeling method of experimental modality analysis and finite element modeling.
然后采用实验模态分析和有限元建模相结合的建模方法,获得了足够精度的传感器壳修正模型。
A finite element method using subregion variational principle and spline function in this paper is presented to solve the problem of combined shell of revolution.
本文提出一种用分区变分原理和样条函数相结合的有限元方法,解决组合型旋转壳受力分析问题。
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
运用罚有限元方法,对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.
首先采用有限元法,将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统,对靶板采用二维壳单元离散。
The stress analytic method of arch dam covers pure arch method, arch beam sharing method, finite element method, calculating method of shell theory and structural model test method.
拱坝的应力分析方法包括纯拱法、拱梁分载法、有限元法、壳体理论计算方法和结构模型试验法。
The establishment of variation-principle is of benefit to deriving the finite element method or semi-analytical solution to the cylindrical shell static-dynamical problems of piezoelectric materials.
变分原理的建立将有利于压电材料圆柱壳静力学和动力学问题的有限元方法或半解析法的推导。
A dynamic explicit finite element method is used to pipe bend forming processes on bender in this paper. The degenerated shell element and co-rotational coordinate system are employed.
采用拖带坐标系下的退化壳单元,以及动态显式有限元方法求解管材在弯管机上的弯曲成型问题。
Furthermore, the supporting shell stiffness is calculated by the Finite Element method.
同时,用有限元法对支承机匣刚度进行了计算。
A curved surface shell hot drawing was simulateel by finite element method and forming trial was condncted.
采用有限元法模拟曲面壳体热拉深成形,并进行成形工艺试验,其模拟结果与试验结果一致。
Thus it may be known, may use the finite element method to carry on the simulation to Chinese chestnut's broken shell mechanism.
由此可知,可采用有限元方法对板栗的破壳机理进行模拟。
The method is tested by the finite element analysis for a single-layer latticed shell.
利用有限元模拟,应用上述方法对一单层球面网壳结构进行了损伤诊断。
According to the structural feature of parallel single disk gate valve, the strength and rigidity of body will be calculated with finite element method, and with cylindroid shell theory.
根据主闸阀结构特点,分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度,并进行了分析对比,同时对闸板的刚度进行了校核。
The calculation result of finite element and formula method shows the stability of shell of blast furnace is enough.
有限元和公式法计算结果表明,高炉炉壳的稳定性足够。
When the finite element method is used in the pump strength analysis, the shell element is often used, which has the same thickness for the whole pump.
用有限元方法做泵的强度验算,一般是使用壳单元,泵的厚度为一个固定值。
Based on the acoustic wave equation and structural motion equation, the vibration characteristics from the fluid loaded stiffened cylindrical double shell are studied by using finite element method.
基于流体的波动方程和结构的动力方程,利用有限元方法研究了考虑流固耦合时的双层加肋圆柱壳体的振动特性。
Using finite element method, this paper investigates the static behavior of cylindrical orthogonal single-layer lattice shell structures supported by fringe truss.
本文利用空间杆系有限元法,对采用边桁架支撑的单层柱面正交异型网壳进行内力分析;
A finite element method (FEM) model is established to analyze the solidification heat transfer and shell growth of the old bloom caster in a steel works and is tested by the measured data.
采用有限元方法,对某钢厂的大方坯连铸机的凝固传热情况以及坯壳凝固生长进行了数值模拟,并通过现场数据对模型进行了验证。
The problems in computing beam-shell-composed structures with the finite element method are pointed out, and a corresponding solution method is proposed based on the finite deformation theory.
提出了梁壳垂直组合结构在有限元计算中存在的问题,并以几何大变形问题为依托提供了解决该问题的计算原理和有限元方法。
Under the different expansion gap , the thermal-stress in shell of BOF is analyzed with finite element method , which can provide reference for installation of bricks.
以有限元为手段,分析了转炉耐火材料在砌筑时设置不同的膨胀间隙对炉体热应力的影响。以便为转炉砌炉时提供依据。
This paper discusses the application of the finite element method to the design of the glass shell of aviation picture tube and gives the theoretical formulae for calculating the shell geometry.
本文讨论有限元法在航空显象管玻壳设计中应用,同时给出计算玻壳外形的公式。
According to lifting hoist reel tube shell structure and work situation, a 3-d calculated model of tube shell has been established with finite element analysis method.
采用有限元分析方法,根据提升绞车卷筒筒壳的结构和工作情况建立了筒壳的三维计算模型。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法,对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法,对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
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