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    Pajack

    @Pajack

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    Latest posts made by Pajack

    • fluent udf中体积分数宏 C_VOF 的取值问题

      使用vof模型求解两相,希望在最后使用DEFINE_ON_DEMAND来做一个体积分数与温度的简单运算从而得到单相 的温度,udf如下,但一直报Error: received a fatal signal (Segmentation fault). C_VOF的提取问题不知道在哪里,求赐教~

      DEFINE_ON_DEMAND(demand)
      {
      
      	cell_t c;
      	Thread *t, *Pri_th, *Mix_th;
      	Mix_th = THREAD_SUPER_THREAD(t);
      	Pri_th = THREAD_SUB_THREAD(Mix_th, 0);
      	Domain *d;
      	d = Get_Domain(1);
      
      	thread_loop_c(Mix_th, d)
      	{
      		begin_c_loop(c, Mix_th)
      		{
      			C_UDMI(c, Mix_th, 0) = C_T(c, Mix_th)*C_VOF(c, Pri_th);
      		}
      		end_c_loop(c, Mix_th)
      	}
      }```
      posted in Fluent
      P
      Pajack
    • RE: Fluent均匀激光热源的UDF

      @gemini 谢谢。刚刚试了您的方法,解决了!

      posted in Fluent
      P
      Pajack
    • Fluent均匀激光热源的UDF

      模拟Top-Hat激光热源加热基板出现问题。

      使用udf实现均匀热源公式如下
      0a3d7412-9ba0-4435-b135-db24868c2127-image.png
      用DEFINE_PROFINE宏实现如下
      105fec0c-d175-4714-b2b0-43ac3f66d0b8-image.png
      结果显示如图
      cbcb1fb0-af04-4835-b79d-6b8747fee04b-image.png

      为何热源虽然有移动,但是加热过的地方却似乎在接下来的迭代步中仍旧被加热?请问UDF问题在哪里呢~多谢!

      posted in Fluent
      P
      Pajack