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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

Rota ya turbini (EX07)

Mchoro 9.4.1 Rota ya turbini (EX07)

Chemchemi (EX08)

Mchoro 9.4.2 Chemchemi (EX08)

Matokeo ya uchanganuzi

Maumbo ya modi na masafa asilia yameonyeshwa hapa chini.

EX06 Bapa la turbini

(a) Modi 1 (1170 kHz) (b) Modi 2 (3250 kHz)
(a) Modi 1 (1170 kHz) (b) Modi 2 (3250 kHz)
(c) Modi 3 (4130 kHz) (d) Modi 4 (4140 kHz)
(c) Modi 3 (4130 kHz) (d) Modi 4 (4140 kHz)
(e) Modi 5 (8210 kHz)
(e) Modi 5 (8210 kHz)

Mchoro 9.4.3 EX06 Bapa la turbini — maumbo ya modi

EX07 Rota ya turbini

(a) Modi 1 (1067 Hz) (b) Modi 2 (1072 Hz)
(a) Modi 1 (1067 Hz) (b) Modi 2 (1072 Hz)
(c) Modi 3 (1072 Hz) (d) Modi 4 (1093 Hz)
(c) Modi 3 (1072 Hz) (d) Modi 4 (1093 Hz)
(e) Modi 5 (1093 Hz)
(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)
Modi 1 (445 Hz) Modi 2 (446 Hz) Modi 3 (908 Hz)
Modi 4 (985 Hz) Modi 5 (1819 Hz)
Modi 4 (985 Hz) Modi 5 (1819 Hz)
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)

(a) Modi 1, 2 (109 Hz)

(b) Modi 3, 4 (570 Hz)

(b) Modi 3, 4 (570 Hz)

(c) Modi 5 (615 Hz)

(c) Modi 5 (615 Hz)

Mchoro 9.4.6 EX09 Ganda la silinda — maumbo ya modi

EX10A Glasi ya divai

(a) Modi 1 (101 Hz) (b) Modi 2 (102 Hz) (c) Modi 3 (354 Hz)
(a) Modi 1 (101 Hz) (b) Modi 2 (102 Hz) (c) Modi 3 (354 Hz)
(d) Modi 4 (1335 Hz) (e) Modi 5 (1336 Hz)
(d) Modi 4 (1335 Hz) (e) Modi 5 (1336 Hz)

Mchoro 9.4.7 EX10A Glasi ya divai — maumbo ya modi