1) 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。
2) 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。
3) thermal ellipsoid
热椭圆体
4) 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。
6) 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)。
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