Mifano ya modeli halisi kwa uchanganuzi wa modi¶
Modeli za uchanganuzi¶
Orodha ya mifano ya uthibitishaji ya modeli halisi kwa uchanganuzi wa modi imeonyeshwa katika Jedwali 9.4.1. Kati ya mifano hiyo, maumbo ya modeli za EX07 (rota ya turbini) na EX08 (chemchemi) yanaonyeshwa katika Mchoro 9.4.1 na Mchoro 9.4.2. Maumbo ya modeli nyingine yanafanana na yale ya mifano ya uthibitishaji ya uchanganuzi tuli wa unyumbufu yenye maudhui sawa ya uthibitishaji, ambayo tayari yameonyeshwa. Ili kuendesha mifano ya aina za elementi 731 na 741, inahitajika kitatuzi cha moja kwa moja kilicho tofauti.
Jedwali 9.4.1 Mifano ya uthibitishaji ya modeli halisi kwa uchanganuzi wa modi
| Jina la kesi | Aina ya elementi | Modeli ya uthibitishaji | Idadi ya nodi | Idadi ya viwango vya uhuru |
|---|---|---|---|---|
| EX06 | 342 | Bapa la turbini | 10,095 | 30,285 |
| EX07 | 361 | Rota ya turbini | 127,440 | 382,320 |
| EX08 | 342 | Chemchemi | 78,771 | 236,313 |
| EX09 | 741 | Ganda la silinda | 10,100 | 60,600 |
| EX10A | 731 | Glasi ya divai (mesh isiyo mnene) | 7,240 | 43,440 |
| EX10B | 731 | Glasi ya divai (mesh ya kati) | 48,803 | 292,818 |

Mchoro 9.4.1 Rota ya turbini (EX07)

Mchoro 9.4.2 Chemchemi (EX08)
Matokeo ya uchanganuzi¶
Maumbo ya modi na masafa asilia yameonyeshwa hapa chini.
EX06 Bapa la turbini¶
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| (a) Modi 1 (1170 kHz) | (b) Modi 2 (3250 kHz) |
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| (c) Modi 3 (4130 kHz) | (d) Modi 4 (4140 kHz) |
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| (e) Modi 5 (8210 kHz) |
Mchoro 9.4.3 EX06 Bapa la turbini — maumbo ya modi
EX07 Rota ya turbini¶
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| (a) Modi 1 (1067 Hz) | (b) Modi 2 (1072 Hz) |
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| (c) Modi 3 (1072 Hz) | (d) Modi 4 (1093 Hz) |
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| (e) Modi 5 (1093 Hz) | |
Mchoro 9.4.4 EX07 Rota ya turbini — maumbo ya modi
EX08 Chemchemi¶
| Modi 1 (445 Hz) | Modi 2 (446 Hz) | Modi 3 (908 Hz) |
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| Modi 4 (985 Hz) | Modi 5 (1819 Hz) | |
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| FrontISTR | NASTRAN | |
|---|---|---|
| 1 | 445 Hz | 445 Hz |
| 2 | 446 Hz | 446 Hz |
| 3 | 908 Hz | 908 Hz |
| 4 | 985 Hz | 986 Hz |
| 5 | 1810 Hz | 1810 Hz |
Mchoro 9.4.5 EX08 Chemchemi — maumbo ya modi
EX09 Ganda la silinda¶

(a) Modi 1, 2 (109 Hz)

(b) Modi 3, 4 (570 Hz)

(c) Modi 5 (615 Hz)
Mchoro 9.4.6 EX09 Ganda la silinda — maumbo ya modi
EX10A Glasi ya divai¶
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| (a) Modi 1 (101 Hz) | (b) Modi 2 (102 Hz) | (c) Modi 3 (354 Hz) |
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| (d) Modi 4 (1335 Hz) | (e) Modi 5 (1336 Hz) |
Mchoro 9.4.7 EX10A Glasi ya divai — maumbo ya modi



















