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；
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。
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。
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。
Bimetallic shallow spherical shell is an important elastic element for thermal sensitivity in precision instrument.
在精密仪器热敏弹性元件中，双层金属中心开孔扁球壳占有很重要的地位。
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。
In this paper, numerical analysis is carried out by the finite element method for the transient temperature fields and thermal stresses of high-speed locomotive braking discs.
本文采用有限元方法对高速轮轨列车制动盘的瞬态温度场和热应力进行了分析研究。
Finite element analysis method is an effective method for calculating thermal stress, but the temperature parameters for calculation have no uniform standard.
有限元是计算温度应力的很好方法，但是对于计算中所需的温度参数取值并没有统一的标准。
This paper studies the thermal lensing effect of optical element under laser heating at non-thermal equilibrium state.
研究了强激光作用下非热平衡状态光学元件的热透镜效应。
应用推荐