1) double ellipsoid heat source
双椭球体热源
1.
A double ellipsoid heat source mode was adopted to depict the distribution of a moving GMAW.
采用双椭球体热源分布模式,把过热熔滴带入熔池的热焓量处理为特定区域的均匀热源,建立了运动电弧下熔化极气体保护焊热过程的数值分析模型。
2.
Numerical simulation model for gas metal arc weding was developed,in which a double ellipsoid heat source mode was adopted and enthalpy of droplet was uniformly distributed over a special area of the molten pool.
采用双椭球体热源分布模式,把过热熔滴带入熔池的热焓量处理为特定区域的均匀热源,建立了运动电弧下GMAW焊接热过程的数值分析模型。
2) Double ellipsoid heat source
双椭球热源
1.
On the basis of infrared measurementt,he temperature distribution on T-joints of 5A06 aluminum alloy cylinder structure was simulated by finite element method,developing a composite heat source constituted by Gauss heat source on the surface and inner double ellipsoid heat source.
在红外测温实验的基础上,采用由表面高斯热源和内部双椭球热源组成的复合热源,对5A06铝合金筒形结构间断焊角焊缝的温度场进行了有限元数值模拟。
3) double ellipsoid heat source model
双椭球热源模型
1.
Shape parameter determination of double ellipsoid heat source model in numerical simulation of high energy beam welding;
高能束焊接双椭球热源模型参数的确定
2.
Applying the principle of Step Acceleration Method(Pattern Search Method),two parameter values of double ellipsoid heat source model,the rear half of semi-axe Cr and the front half of semi-axe Cf,can be predicted by the combination of finite element numerical simulation and temperature measurement in X70 steel during multiple wires submerged arc welding.
结合有限元数值模拟和温度测量,运用加速步长法,反演了X70钢在多丝埋弧焊中双椭球热源模型前、后半球长半轴Cfi,Cri(i=1,2,3)。
4) double ellipsoid source model
双椭球热源模型参数
1.
During the simulation of multiple wires submerged arc welding, it is very important to define parameters of double ellipsoid source model, and these parameters can make a direct effect on the weld shape, however,it is very hard to get them through practical experiments.
4、通过以上各种实验、计算以及讨论,证明了加速步长法反演多丝埋弧焊中双椭球热源模型参数的合理性和准确性。
5) semi-ellipsoidal heat source
半椭球热源
6) double-ellipse gauss attenuation body heat source
双椭圆衰减体热源
1.
Based on the existing heat source models, a double-ellipse gauss attenuation body heat source was put forward to improve the calculation precision.
为了提高模拟的计算精度,在已有热源模型的基础上建立了双椭圆衰减体热源,模型中首次引入了拐点的概念,前后能量采用了不等分布的处理方式,模拟结果表明,该热源能更好地模拟电子束的“钉头”形貌,得到更为准确的温度场,且能随拐点发生形状的转化,相比其它热源有更好的可扩展性。
补充资料：参考椭球(见地球椭球)
参考椭球(见地球椭球)
reference ellipsoid
eankao tU0qlu参考椭球(referenee ellipsoid)见地沐椭球
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条