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- In recent years, phase field model(PFM) of alloy solidification based on solute trapping and solute drag was introduced as a powerful tool to simulate the process of solidification. 近年来发展起来的PFM模型根据“溶质捕捉”和“溶质牵引”两种机制对金属及合金快速凝固过程进行数学描述及模拟,较好地反映了金属凝固的物理本质。
- In this paper,the physic nature,numerical computation methods of phase field model is evaluated;the advances of phase field simulation on grain growth are reviewed.The main problem and the futu... 对相场模型的基本原理、数值计算方法以及在晶粒长大模拟中的研究进展进行了综述,提出了相场模型在微观组织模拟中存在的主要问题以及今后的发展方向。
- SIMULATION OF DENDRITE GROWTH WITH PHASE FIELD MODEL 过冷熔体中枝晶生长的相场模拟
- nonconserved phase field model 非守恒相场模型
- phase field model 相场模型
- Phase field modeling of directional solidification of a binary alloy at high velocities 二元合金高速定向凝固过程的相场法数值模拟
- This paper is to build mathematic model of aluminum solidification microstructure simulation by the phase field method and study the influence of disturbing on dendrite growth. 对研究铝金属微观组织模拟相场法技术的数学模型及扰动对枝晶生长的影响进行了研究;
- Establishing reasonable ecological field model is the key problem of EFT. 生态场理论的主要问题是建立合理的生态场模型。
- The principle of the car acceleration noise is discussed and the acoustic field model for underneath car cavity is derived. 论述了轿车加速行驶噪声的原理,推导了轿车与地面间声场的声学模型。
- The phase field method is proposed based on the general Ginzburg-Landau theory of phase transitions. 相场方法不需要跟踪固液界面,因此在模拟枝晶生长方面有独特的优势。
- Firstly, a rough motion template was obtained by motion detection based on Markov random field model and through post-processing. 该算法首先利用马尔可夫随机场模型的运动检测算法,得到运动目标的初始模板。
- The normal field model of surface charge accumulation at the gas-solid interface of insulator is analyzed. 论文对绝缘子气 -固交界面电荷积聚的法向场强模型进行了分析 ,发现现有的法向场强模型只能解释气体侧有微放电情况下的电荷积聚问题。
- This paper discusses the characteristics of continuous and microscopic phase field dynamics theory on describing phase transformation of alloys. 讨论了连续体相场动力学与微观相场动力学理论在描述合金相变方面各自的特点。
- The growth of aluminum solidification dendrite has been simulated under disturbed and undisturbed condition, which based on the phase field method. 在相场法数学模型基础上,对有扰动和无扰动情况下的铝金属凝固枝晶生长进行了模拟;
- In the light of the inwall depression in the process of tubular intermediate upseting, a parallel velocity field model with depression is established. 针对管坯中部锻锻变形过程中产生的内壁凹陷现象,建立了含凹陷的平行速度场模型。
- Based on entropy increase function, we has derived the phase field controlling equations which are thermodynamical consistent. 该模型以熵增加函数为基础,通过熵增加函数推导出热力学一致性的相场控制方程。
- The entropy increase function,we has derived the phase field controlling equations which are thermodynamical consistent. 该模型以熵增加函数为基础,通过熵增加函数推导出热力学一致性的相场控制方程。
- Firstly,a maximum a posteriori framework is created according to conditional random field model and Markov random field model. 首先根据条件随机场模型和马尔可夫随机场模型建立了一个最大后验概率框架。
- A multi-phase field model coupled with mass,momentum,energy and solute conservation equation was introduced to apply for macro simulation. 宏观部分着重介绍了一种耦合质量、动量、能量及溶质平衡方程的多相模型。
- The recent trends of microstructure simulation were also proposed, such as coupling phase diagram calculation and Phase Field Methods. 此外,介绍了显微组织模拟研究方面的最新动态,包括相图计算和相场法的应用。