In this paper , the influences of adjusting amplitude at different velocities on the flow field and temperature field at the exit of tip cavity are investigated.
本文研究了不同速度调节幅值对铸嘴型腔流场和温度场的影响,通过仿真分析,结果表明:入口速度变化幅值越大,型腔出口处熔体速度、温度过渡到稳定速度、温度的时间越长。
The simulation results indicate that it is feasible to improve fluid field,temperature filed in tip cavity by adjusting fluid online,which provides basis to adjusting the control model online to assure the quality.
建立了在线布流调节时铸嘴型腔熔体非定常流动和传热数学模型,应用数值方法仿真分析了入口速度斜坡变化时铸嘴型腔流场、温度场、压力场的动态演化过程。
In this paper,the influences of adjusting amplitude at different velocities on the flow field and temperature field at the exit of tip cavity are studied.
本文研究了两种典型入口速度调节方式对铸嘴型腔流场和温度场的影响,通过数值方法对铸嘴型腔非定常流动和传热进行了仿真分析,结果表明:在同一变化幅值情况下,入口速度阶跃变化、斜坡函数变化后的熔体出口速度、出口温度分布基本相同。
Influence of mesh types in two-dimensional FEA analysis of the cavity fluid field of nozzle cavity;
网格划分对铸嘴型腔流场有限元分析的影响
Analysis of heat transfer and solidification phenomenon for aluminum liquid in nozzle cavity;
铝熔体在铸嘴型腔中的传热及凝固现象分析
Two-dimensional FEA of the influence of the shape of nozzle cavity on cavity fluid field;
铸嘴型腔形状对型腔流场影响的二维有限元分析
The thesis simulated evolutionary process of the recrystallization rule of 16MnR plate during hot rolling and amend stat- ic recrystallization model by actual results in the presence of theory analysis and experiment model research.
借助于理论分析与实验模型研究,模拟了16MnR中板热轧变形时奥氏体再结晶规律的演化过程,并根据实测结果对静态再结晶模型进行了修正。
Flow Behavior and Dynamic Recrystallization Model for GH761 Superalloy during Hot Deformation
GH761合金的热变形行为与动态再结晶模型
A New Recrystallization Nucleation Model Used for Monte Carlo Simulation
Monte Carlo再结晶形核模拟新模型
New Monte Carlo Potts Model in Metal Recrystallization Simulation
金属再结晶Monte Carlo Potts模拟新模型
The models for predicting the recrystallized grain size and the recrystallization volume percent have been established with the artificial neural network.
采用人工神经网络的方法建立了再结晶晶粒尺寸和再结晶体积分数的预测模型。
Parameter Identification of Viscoplastic Model Considering Dynamic Recrystallization;
考虑动态再结晶的粘塑性本构模型的参数识别
The evolution equations of the volume fraction of dynamic recreastallization and varieties of grain size are derived from this model.
由此模型导出了再结晶体积分数及有关晶粒尺寸的演化方程。
Computation Model and Confirmation of Magnesium Alloy AZ91D Inverted Extrusion Dynamic Recrystallization Size
镁合金AZ91D反挤压动态再结晶晶粒度计算模型与验证
Two-dimensional numerical simulation of dynamically recrystallized grain change of new steel 33Mn2V for oil well tubes in tube-piercing process
新型油井管钢33Mn2V穿管过程动态再结晶晶粒变化的二维数值模拟
Modeling for Grain Size of Stainless Steel by Forging Recrystallization Based on BP Neural Network
基于BP神经网络不锈钢锻造再结晶的晶粒尺寸模型
Simulation of grain growth of AZ31Mg alloy during recrystallization by phase field model
相场法模拟AZ31镁合金再结晶晶粒长大
Study on Modeling and Simulation of Recrystallization Annealing Process for Material with Second Phase Particle by Cellular Automata Method;
二相粒子材料再结晶退火的元胞自动机模型及其模拟研究
Study on Modeling and Simulation of Recrystallization Annealing Process for Textural Materials by Monte Carlo Method;
织构材料再结晶退火的蒙特卡罗模型及其模拟研究
structure model of non - crystalline material
非晶态材料的结构模型
Study on the Dynamic Recrystallization Behavior and Prediction Model of TA15 Titanium Alloy in the β Hot Process
TA15钛合金β锻动态再结晶行为及其预测模型研究
STUDY ON STRESS-STRAIN CURVES OF SHIPBUILDING STEEL BEFORE DYNAMIC RECRYSTALLIZATION PEAK STRESS
船板钢动态再结晶峰值应力前流变应力曲线模型的研究
Numerical Simulation on recrystallization of coarse-grained austenite in low-carbon Nb-microalloyed steel
低碳含铌钢粗晶奥氏体再结晶的数值模拟
FEM Numerical Simulation on the Dynamic Recrystallization of 09CuPTiRE Steel;
09CuPTiRE钢动态再结晶的有限元数值模拟
Simulation of Dynamic Recrystallization Based on Monte Carlo Method;
基于Monte Carlo方法的金属动态再结晶组织模拟