From the chemical composition, trace element, inoculation and thermal exchange of metal mold casting, the principle of chill formation and the effective methods for preventing chill were studied.
文章从铸铁的化学成分、微量元素、孕育处理及金属型的热交换方面叙述了产生白口的原理及防白口的有效方法。
By using the Finite Element Method (FEM), the nonlinear thermal vibration characteristics of composite laminated plates under linear temperature field were investigated.
采用有限元方法研究复合材料层合板结构在线性温度场作用下非线性热振动特性。
The thermal module of the finite element software ANSYS is used to analyze the heat transfer of the gearbox.
该研究使用ANSYS有限元软件的热分析模块进行变速箱热传导分析计算。
The thermal residual stress was calculated by the finite element method. Both testing and calculation data proved the reliability of testing data.
采用有限单元法计算了反射镜坯体的热残余应力，通过对比验证了测试结果可靠性。
The flow field and thermal environment of gap in solid rocket nozzle were simulated by finite element method.
用有限元素法数值模拟了固体火箭发动机喷管内缝隙的流场和热环境。
According to the trial, we use finite element analysis program to conduct temperature field and thermal stress analysis of the pier under sunshine, and compared the outcome with experimental results.
根据试验采用有限元分析程序，进行日照作用下桥墩的温度场和温度应力分析，并与实验结果进行对比。
Based on heat transferring, a thermal field model of Laser Inner Cutting system was established and numerically simulated with the help of finite element software ANSYS.
在传热学的基础上建立了激光焦点在透明材料内部作用时的温度场模型，借助于大型有限元分析软件ANSYS进行了数值模拟。
The thermal stress distribution of the stainless steel lined composite steel pipe prepared by centrifugal-SHS process was calculated by the finite element method under thermoelastic assumption.
用有限元方法计算了铝热离心法制备不锈钢内衬复合钢管过程中的残余热应力分布。
This method takes advantage of the dynamic simulation function of finite element analysis and the thermodynamic theory to calculate the value of thermal flux.
该方法利用动力学分析功能，结合传热学原理求解热流传递数值；
The effect of pyrolytic temperature on the microstructure changes, mass loss and H/C ratio of polyarylacetylene was studied by thermal gravity analysis, element analysis and X ray diffraction.
根据热失重曲线、元素分析和X射线衍射分析了芳基乙炔聚合物炭化过程中的结构变化。
The formula and method has an important direction for the design of temperature sensors that is using thermal resistant as measure temperature element.
对以热敏电阻作为测温元件的温度传感器的设计具有参考意义。
A mathematical model for thermal process is established and the process is simulated by numerical methods such as finite element method etc.
建立了热过程的数学模型，并采用有限元等数值方法模拟其热过程。
Based on the thermal balance equation of heater element, the matrix for the cyclic functional method is established and the rules to fill this matrix are represented detailedly in this paper.
基于循环函数法的主导思想，通过对“加热单元”列能量平衡方程，构建了循环函数法的矩阵表达式，并对矩阵填写规则进行了详细阐述。
The research about finite element analysis for two-dimensional thermal structures with uncertain parameters has extensive engineering-background, important theory meaning and academic value.
不确定性参数的二维热结构有限元分析研究有着广泛的工程背景和重要的理论意义与学术价值。
Kerogen is the leftover material of sporopollen element and lignin in original bodies in different thermal metamorphic period and it is the original material of gas-oil formation.
干酪根主要是母源体中的孢粉素与木质素在埋藏环境中不同热变质阶段的残留物，是油气形成的母源物。
The heat load to the vacuum vessel thermal shield (VVTS) is analyzed by FLUENT finite element software in order to demonstrate that the design of cooling tubes is reliable.
采取有限元法对内冷屏的受热状况进行了计算分析，以验证内冷屏氦冷却管道设计方案的可靠性。
Using finite element method, the thermal and mechanical deformations of herringbone spiral groove mechanical seal are analyzed.
用有限元法分析了人字形螺旋槽机械密封的热变形和力变形。
To study the reason of appearance of the thermal diffuse crack, Temperature and thermal stress analysis of the steam pipe and correlative branch pipe was performed with finite element analysis method.
本论文进行模拟实验并有限元方法，获得蒸汽管道支管及接管座管壁温度场和热应力的分布规律，阐明热疲劳裂纹产生的原因；
This paper presents a finite element analysis of the thermal generation and temperature distribution of a vehicle's transmission gearbox.
对某车辆传动变速箱的温度分布，采用有限元方法进行了分析。
This paper used the finite element method to compute the temperature field, and combined finite element with analytic solution to develop a calculation of thermal stresses.
本文采用有限元数值分析方法计算多层圆管的温度场，并把解析解与有限元相结合，提出一种求解其热应力的计算方法。
The thermal stress in magnetron sputtered al coating on uranium substrate was studied by thermal elastic plastic finite element method (FEM).
对铀表面磁控溅射沉积铝镀层的热应力进行了热弹塑性有限元分析。
Further, according to thermal cycle calculated by the finite element method, the thickness of reaction layer was predicted in the case of different heat input.
进一步，通过有限元数值模拟方法计算了界面不同位置的热循环曲线，进行了不同热输入条件下反应层厚度的预测。
By use of finite element analysis software ANSYS, the steady-state temperature field and thermal stress field in the tubesheet of a large fixed tubesheet heat exchanger were analyzed.
采用有限元分析软件ANSYS，对某大型固定管板式换热器管板的稳态温度场和热应力场进行了三维有限元分析。
This paper introduces the application of finite element in thermal spraying technology.
综述了有限元法在热喷涂技术中的应用。
In this paper a fictitious interface element method dealing with thermal resistance between casting and mold is presented, and the finite element formula is given.
提出一种处理铸件与铸型界面热阻问题的虚拟界面单元法，并给出了有限元计算公式。
A finite element modeling of SCSP was performed. The distribution of thermal stress of SCSP under temperature cycle was analyzed.
研究了温度循环载荷下叠层芯片封装元件(scsp)的热应力分布情况，建立了SCSP的有限元模型。
Introducing heat exchange theory and finite element theory, and deducing the theory that applies finite element method to thermal analysis and thermal stress analysis.
介绍了传热学基本理论知识，有限元方法思想。对有限元法在热分析和热应力分析中的具体应用进行了理论推导。
The thermal stress distribution of SCSP in packaging process was studied by finite element method.
利用有限元法研究了堆叠芯片封装(SCSP)器件在封装工艺过程中的热应力分布。
This paper presents the results of finite element analysis of temperatures and thermal stresses for the Rolls during quenching.
给出了轧辊淬火过程中的温度场及热应力场的有限元计算。
The die forming process of a hydro turbines blade was simulated by the thermal coupled finite element method.
采用热力耦合三维刚塑性有限元方法，对水轮机叶片模压成型工艺进行了模拟研究。
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