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shuai_1314捐助貴賓 (小有名氣)
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[求助]
利用UDF提取與壁面邊界相鄰的一層cell的方法
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| 為了在與壁面相鄰的那一層cell上添加源項(xiàng),需要先將那一層cell提取出來(lái),但由于今后想利用動(dòng)網(wǎng)格技術(shù)讓壁面移動(dòng),就不能利用cell的坐標(biāo)來(lái)提取cell,而是利用壁面的數(shù)據(jù)信息提取相鄰的那一層cell。LZ剛接觸UDF,經(jīng)驗(yàn)淺薄,望各路高手多多指點(diǎn),感激不盡。! |
fluent UDF帖子收集 |

新蟲(chóng) (初入文壇)
捐助貴賓 (小有名氣)

捐助貴賓 (小有名氣)

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看看幫助中的內(nèi)容吧。 Adjacent Cell Thread ( THREAD_T0, THREAD_T1) The cells on either side of a face may or may not belong to the same cell thread. Referring to Figure 3.2.2, if a face is on the boundary of a domain, then only c0 exists. ( c1 is undefined for an external face). Alternatively, if the face is in the interior of the domain, then both c0 and c1 exist. There are two macros, THREAD_T0(t) and THREAD_T1(t), that can be used to identify cell threads that are adjacent to a given face f in a face thread t. THREAD_T0 expands to a function that returns the cell thread of a given face's adjacent cell c0, and THREAD_T1 returns the cell thread for c1 (if it exists). Table 3.2.25: Adjacent Cell Thread Macros Defined in mem.h Macro Argument Types Returns THREAD_T0(t) Thread *t cell thread pointer for cell c0 THREAD_T1(t) Thread *t cell thread pointer for cell c |
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