flow3dprepin.inp常用参数.doc

$xput TWFIN ... Time to end calculation. Default is TWFIN=10.0 unless thermal cycling is activated (see Thermal Cycling Options). 计算结束时间，在热循环开启的情况下默认值为10.0（参考热循环选项） 计算完成时间 ITB ... Indicator for free surfaces or sharp interfaces=0, no free surface or sharp interface=1, free surface or sharp interfaceDefaults to 0 if IDRG 5; defaults to 1 if IDRG=5. 自由表面或粗糙界面的指示器 ＝0表示二者都没有 ＝1表示二者有其一 是否考虑熔汤表面与空气的影响 GY 0.0 Gravity component in y direction. See GRAVY in namelist MOTN for orientation varying gravity. Note: For cylindrical coordinates, use GRAVX, GRAVY. 考虑重力对压铸影响，注意g的方向且为-980,单位为CGS。 GRAVX 0.0 Initial x-direction component of gravity. 坐标系为极坐标时用上述参数 IFENRG ... Flag for internal energy evaluation=0, no energy solution=2, solve transport equation for internal energy (1st order advection)=3, solve energy transport equation using monotonicity preserving, second order method.Defaults to 0 if ICMPRS=0 and IHTC=0;defaults to 2 if ICMPRS=1 or IHTC0. 选择能量方程用于计算 ISHRNK 0 ? Solidification shrinkage flag. Shrinkage models may only be used for one-material problems (NMAT=1) when ITB=1. Solidification must be activated and solidified density (rhofs) must be different than liquid fluid #1 density (rhof). Shrinkage cavitation pressure (PCAV) must also be set for Dynamic Shrinkage model. (PCAV, RHOFS and RHOF are in namelist PROPS.)=0, no shrinkage model=1, activate Dynamic Shrinkage model=2, activate Rapid Shrinkage model. 凝固收缩的定义：0表示不收缩。 IFVIS 0 Viscosity evaluation flag=0, local viscosity evaluation (no turbulence model)=1, Prandtl mixing length=2, turbulent energy model=3, two-equation (k-) turbulence model=4, Renormalized Group Theory model (RNG) IFIN 1 Selects the basis for termination of the calculation=1, terminate when tTWFIN=2, terminate when fill fraction exceeds FRCFIN or no cells are empty or TTWFIN=3 terminate when solidified fraction exceeds FRCFIN or TTWFIN. 确定终止计算过程，2为以充填百分比为计算终止标准。 FRCFIN 1.0 Fill fraction (IFIN=2) or solid fraction (IFIN