| 查看: 931 | 回复: 2 | |||
yangshuaibyx金虫 (小有名气)
|
[交流]
fluent UDF 已有1人参与
|
|
DEFINE_EXCHANGE_PROPERTY(custom_drag_ihme, cell, mix_thread, s_col, f_col) { Thread *thread_g, *thread_s; real x_vel_g, x_vel_s, y_vel_g, y_vel_s, abs_v, slip_x, slip_y, rho_g, rho_s, mu_g, reyp, cd, eg, void_g, k_g_s; /* find the threads for the gas (primary) and solids (secondary phases). These phases appear in columns 2 and 1 in the Interphase panel respectively*/ thread_g = THREAD_SUB_THREAD(mix_thread, s_col);/*gas phase*/ thread_s = THREAD_SUB_THREAD(mix_thread, f_col);/* solid phase*/ /* find phase velocities and properties*/ x_vel_g = C_U(cell, thread_g); y_vel_g = C_V(cell, thread_g); x_vel_s = C_U(cell, thread_s); y_vel_s = C_V(cell, thread_s); slip_x = x_vel_g - x_vel_s; slip_y = y_vel_g - y_vel_s; rho_g = C_R(cell, thread_g); rho_s = C_R(cell, thread_s); mu_g = C_MU_L(cell, thread_g); /*compute slip*/ abs_v = sqrt(slip_x*slip_x + slip_y*slip_y); /*compute reynolds number*/ reyp = rho_g*abs_v*diam2/mu_g; cd = (24./(reyp+SMALL)) + 5.48*pow((reyp+SMALL),-0.573) + 0.36; void_g = C_VOF(cell, thread_g);/* gas vol frac*/ eg = pow(void_g,-2.65); k_g_s = (3./4.)*(cd*(1.-void_g)*abs_v*rho_g*eg)/diam2; return k_g_s; } SMALL 是什么东西？谢谢 |
回复此楼» 猜你喜欢
【复旦大学】二维材料方向招收2026年博士研究生1名
已经有0人回复
-
北京纳米能源与系统研究所 王中林院士/曹南颖研究员课题组2026级硕/博/博后招生
已经有10人回复
-
物理学I论文润色/翻译怎么收费?
已经有235人回复
-
荷兰Utrecht University超快太赫兹光谱王海教授课题招收2026 CSC博士生
已经有23人回复
-
反铁磁体中的磁性切换：两种不同的机制已成功可视化
已经有0人回复
-
求标准粉末衍射卡号 ICDD 01-076-1802
已经有0人回复
-
新西兰Robinson研究所招收全奖PhD
已经有0人回复
-
石墨烯转移--二氧化硅衬底石墨烯
已经有0人回复
2楼2013-08-14 14:42:58
yangshuaibyx
金虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 1740.5
- 散金: 106
- 帖子: 167
- 在线: 645.8小时
- 虫号: 2513219
- 注册: 2013-06-19
- 性别: GG
- 专业: 机械测试理论与技术
3楼2013-08-14 17:13:53