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1
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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ุณู„ุงู… ุนู„ูŠูƒู… ูˆุฑุญู…ุฉ ุงู„ู„ู‡
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ูˆุจุฑูƒุงุชู‡ ู‡ู†ูƒู…ู„ ููŠ ุงู„ู€ stress analysis ุงู„ู…ุญุงุถุฑุฉ
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ุงู„ูุงุฉุชุฉ ูƒู†ุง ู†ุญูƒูŠ ุนู† ุงู„ู€ transfertial stress ุงู„ู€ tau
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00:00:18,670 --> 00:00:26,540
ุจุณุชูˆู‰ VQ ุนู„ู‰ I ููŠ B ุญูƒูŠ ุฅู† Q ู‡ูŠ ุนุฒู…ู‡ูŠ ุนุฒู… ุงู„ู…ุณุงุญุฉ
5
00:00:26,540 --> 00:00:31,060
ุงู„ู…ุชุจู‚ูŠุฉ ุนู†ุฏ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุงุญู†ุง ู†ุฏุฑุณู‡ุง ุงู„ู„ูŠ ู‡ู†ุดูˆู
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00:00:31,060 --> 00:00:35,100
ูƒูŠู ู†ุทุจู‚ ุงู„ู…ุนุงุฏู„ุฉ ุจุณุงูˆูŠุฉ ุชุงูˆ ุชุงูˆ ุจุณุงูˆุฉ VQ ุนู„ู‰ IB
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ู…ู† ุฎู„ุงู„ ู…ุซุงู„ ููŠ
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ุนู†ุฏ ุจูŠู… ุทูˆู„ ุงุซู†ุง ุนุดุฑ ุงู†ุด ู…ู‚ุทุน
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00:00:47,600 --> 00:00:55,050
ุนู„ู‰ ุดูƒู„ ุญุฑู IูˆููŠู‡ load ู…ุฑูƒุฒ ู‚ูŠู…ุชู‡ ุฃุฑุจุนู…ุฆุฉ ูˆุซู…ุงู†ูŠุฉ
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ูˆุซู…ุงู†ูŠู† pound force ุนู„ู‰ ุจุนุฏ ุซู„ุงุซุฉ ุงู†ุด ู…ู† ุงู„ุฌู‡ุฉ
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ุงู„ูŠุณุฑู‰ ุทุจุนุงู‹
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ู…ุจูŠู† ุชูุงุตูŠู„ ุงู„ู„ูŠ ู‡ูˆ ุฃุจุนุงุฏ ุงู„ู…ู‚ุทุน ุงู„ู…ุทู„ูˆุจ
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00:01:20,590 --> 00:01:32,330
ุนู†ุฏ ุงู„ู†ู‚ุงุท A .. ุงู„ู†ู‚ุงุท ุงู„ู„ูŠ ุดุงูŠูู†ุง A ูˆB ูˆC ูˆD ุฅู†ูƒ
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00:01:32,330 --> 00:01:36,910
ุชุฌูŠุจ ุงู„ู€ profile of distribution ู„ุชุฑุงู†ุฒู„ ุงู„ู€ share
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00:01:36,910 --> 00:01:37,410
stress
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00:01:40,170 --> 00:01:43,890
ุฏู‡ ุชุญุณุจ ู‚ูŠู… ุงู„ู€ trending stress ุนู†ุฏ ุงู„ู†ู‚ุทุฉ A ูˆB ูˆC
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00:01:43,890 --> 00:01:48,330
ูˆD ูˆ ุชุญุณุจ ู‚ูŠู… ุงู„ู€ bending stress ุนู†ุฏ ู†ูุณ ุงู„ู†ู‚ุทุฉ A
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00:01:48,330 --> 00:01:53,110
ูˆB ูˆC ูˆD ุจุนุฏูŠู† ู…ู† ู…ูˆุงุฑุฏ ุงู„ู€ circuit ุชุญุณุจ ุงู„ู€ maximum
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00:01:53,110 --> 00:02:03,450
shear stress ุนู†ุฏ ูƒู„ ู†ู‚ุทุฉ ูˆุชุนู…ู„ ู…ู‚ุงุฑู†ุฉ ุจูŠู†ู‡ู… ุงุญู†ุง
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00:02:03,450 --> 00:02:05,970
ู†ุญุณุจ ุนู†ุฏ ุงู„ู€ trending stress ูˆ ุงู„ู€ bending stress
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00:02:05,970 --> 00:02:09,270
ุฃูˆู„ ุฎุทูˆุฉ ุฅูŠุด ู†ุณูˆูŠู‡ุงุŸ
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00:02:12,150 --> 00:02:21,430
ู†ุญุณุจ ุงู„ู€ reactions ุตุญ ู†ุญุณุจ ุงู„ู€ reactions ูŠุนู†ูŠ
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00:02:21,430 --> 00:02:29,590
ุฃู†ุง ู‡ูƒูˆู† ุนู†ุฏูŠ ุงู„ู€ beam ู‡ุงูŠ
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00:02:29,590 --> 00:02:36,830
ุงู„ู€ XY ูˆ
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ููŠู‡ ุนู†ุฏูŠ ู‡ู†ุง load ู‚ูŠู…ุชู‡ 488 pound
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00:02:46,600 --> 00:02:55,540
ู‡ุฐู‡ ุงู„ู…ุณุงูุฉ ุซู„ุงุซุฉ
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ุงู†ุด ู‡ุฐู‡ ุชุณุนุฉ ุงู†ุด ู‡ูŠูƒูˆู† ููŠ ุฑุฏ ูุนู„ ู‡ู†ุง R1 ูˆ ุฑุฏ ูุนู„
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00:03:03,800 --> 00:03:06,960
ู‡ู†ุง R2
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00:03:10,300 --> 00:03:19,900
ุฎู„ู†ุง ู†ุณู…ูŠ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ A ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ D ู„ูˆ ุฃุฎุฏุช ุงู„ู€
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00:03:19,900 --> 00:03:26,940
moment ุญุงู„ูŠุงู‹ ู…ู† ุงู„ู€ B ุจุณ
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00:03:26,940 --> 00:03:36,000
ุฃูˆ ุตูุฑ ู‡ูŠูƒูˆู†
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00:03:36,000 --> 00:03:38,260
ุชุณุนุฉ
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00:03:40,230 --> 00:03:46,430
ููŠ ุฃุฑุจุนู…ุฆุฉ ูˆุซู…ุงู†ูŠุฉ ูˆุซู…ุงู†ูŠู† ู†ุงู‚ุต ุงุซู†ุง ุนุดุฑ R ูˆุงุญุฏ ุตุญ
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00:03:46,430 --> 00:03:54,030
ูŠุนู†ูŠ R ูˆุงุญุฏ ู‡ุชูƒูˆู† ุชุณุนุฉ ููŠ ุฃุฑุจุนู…ุฆุฉ ูˆุซู…ุงู†ูŠู† ุนู„ู‰ ุงุซู†ุง ุนุดุฑ
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00:03:54,030 --> 00:03:59,490
ุชุทู„ุน ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† pound
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00:03:59,490 --> 00:04:04,210
ุจุนุฏูŠู†
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00:04:04,210 --> 00:04:08,310
ุงู„ู€ summation of forces ุจุงุชุฌุงู‡ ุงู„ู€ Y summation
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00:04:10,730 --> 00:04:18,550
ู„ู„ู€ forces ุจุงุชุฌุงู‡ ุงู„ู€ Y ุจูŠุณุชูˆู‰ ุงู„ู€ Zero ุจุชุณุงูˆูŠ
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00:04:18,550 --> 00:04:28,910
R ูˆุงุญุฏ ู†ุงู‚ุต ุฃุฑุจุนู…ุฆุฉ ูˆุซู…ุงู†ูŠุฉ ูˆุซู…ุงู†ูŠู† ุฒุงุฆุฏ
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00:04:28,910 --> 00:04:38,190
R ุงุซู†ูŠู† ูˆ ู…ู† ู‡ู†ุง ุจู†ุญุณุจ R ุงุซู†ูŠู† ุชุทู„ุน ู…ุฆุฉ ูˆุงุซู†ูŠู†
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00:04:38,190 --> 00:04:38,610
ูˆุนุดุฑูŠู†
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00:04:51,800 --> 00:04:55,540
bound ุจุนุฏูŠู† ู‡ุฑุณู…ุงุด ุงู„ู€ shear diagram ูˆ ุงู„ู€ one
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00:04:55,540 --> 00:05:08,400
diagram shear
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00:05:08,400 --> 00:05:19,100
diagram ู‡ุฃูƒูˆู† ุนู†ุฏู‡ ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† ูˆุจุนุฏูŠู†
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00:05:19,100 --> 00:05:22,500
ู‡ุงุทุฑุญ ู…ู†ู‡ ุฃุฑุจุนู…ุฆุฉ ูˆุซู…ุงู†ูŠุฉ ูˆุซู…ุงู†ูŠู† ุจุณ ุนู†ุฏู‡ ู…ุฆุฉ
46
00:05:22,500 --> 00:05:23,140
ูˆุงุชู†ูŠู† ูˆุนุดุฑูŠู†
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00:05:40,030 --> 00:05:45,610
ู‡ุฐุง ุงู„ู€ shear diagram ู‡ุฐุง
48
00:05:45,610 --> 00:05:56,270
ู†ุณู…ูŠู‡ ุงู„ู€ V ุจุนุฏูŠู† ู‡ุฑุณู… ุงู„ู€ moment ู‡ุงูŠ
49
00:05:56,270 --> 00:06:00,590
ุงู„ู€ moment ุตุญุŸ
50
00:06:00,590 --> 00:06:03,710
ู‡ุชูƒูˆู† 366 ููŠ 3
51
00:06:07,400 --> 00:06:13,440
ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† ููŠ ุซู„ุงุซุฉ ุฃูƒู…ู„ ุณุชุฉ ูˆุซู„ุงุซุฉ ุซู…ุงู†ูŠุฉ ุนุดุฑ ุฃู„ู
52
00:06:13,440 --> 00:06:21,620
ูˆุซู…ุงู†ูŠุฉ ูˆุชุณุนูŠู† pound inch ุจุนุฏ ุงู„ู†ู‚ุต ู‡ุฐู‡ ุจุชุฑุฌุน ุนู„ู‰
53
00:06:21,620 --> 00:06:23,820
ุฃูŠู†ุŸ ุนู„ู‰ ุงู„ุตูุฑ ู‡ุฐุง ุงู„ู€ moment
54
00:06:36,750 --> 00:06:40,850
ุงุญู†ุง ุฑุณู…ู†ุง ุงู„ู€
55
00:06:40,850 --> 00:06:45,390
share diagram ูˆ ุงู„ู€ diagram ุนุดุงู† ู†ุนุฑู ุงู„ู€ critical
56
00:06:45,390 --> 00:06:53,990
location ุจุงุชุฌุงู‡ ุงู„ู…ุญูˆุฑ along ุงู„ู€ x axis ุงู„ู€ critical
57
00:06:53,990 --> 00:06:58,990
location ูˆุงุถุญ ู‡ุชูƒูˆู† ุนู†ุฏู†ุง ุงู„ู†ู‚ุทุฉ C ุงู„ู„ูŠ ููŠ ุงู„ู†ุต
58
00:07:03,230 --> 00:07:19,250
ุทุจุนุงู‹ ูŠุนู†ูŠ ู‡ุชูƒูˆู† ุงู„ู€ critical location is
59
00:07:19,250 --> 00:07:31,300
at x ุจุงู„ุณุงูˆูŠุฉ ุซู„ุงุซุฉ ุงู†ุด ุซู„ุงุซุฉ minus ุตุญุŸ ูŠุนู†ูŠ just
60
00:07:31,300 --> 00:07:34,480
before ุงู„ุซู„ุงุซุฉ ุงู†ุด ู„ู…ุง ุจุชูƒูˆู† ุนู†ุฏูŠ ุงู„ุดูŠุฑ ุฃุนู„ู‰ ูˆู†ูุณ
61
00:07:34,480 --> 00:07:40,380
ุงู„ู€ moment ูุญู†
62
00:07:40,380 --> 00:07:45,880
ููŠ ุงู„ู†ู‡ุงูŠุฉ ุจู†ุญุณุจ ุดุบู„ุชูŠู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ T ุจุบุถ ุงู„ู†ุธุฑ ุนู†
63
00:07:45,880 --> 00:07:57,060
ุงู„ู€ location ุจุณ ุงู„ู€ VQ ุนู„ู‰ I ููŠ B ุจู†ุญุณุจ ุงู„ู€ stress
64
00:07:57,060 --> 00:08:04,080
sigma ู…ุณุงูˆุฉ M ููŠ
65
00:08:04,080 --> 00:08:13,240
ุงู„ู€ C ุนู„ู‰ I ูŠุนู†ูŠ
66
00:08:13,240 --> 00:08:18,380
ููŠ ุดุบู„ุงุช ู„ุงุฒู… ู†ุญุณุจู‡ุงุŒ ุตุญุŸ ูŠุนู†ูŠ ุฃูˆู„ ุดูŠุก ููŠ ุดุบู„ุงุช
67
00:08:18,380 --> 00:08:23,800
ุซุงุจุชุฉ ุนู†ุฏ ุงู„ู€ I less section ุซุงุจุชุฉ ุตุญุŸ ุงู„ู€ I less
68
00:08:23,800 --> 00:08:28,900
section ุซุงุจุชุฉ ุงู„ู€ section
69
00:09:05,600 --> 00:09:10,160
ู‡ุฐู‡ ุงู„ู€ section ุงู„ุฃุจุนุงุฏ
70
00:09:10,160 --> 00:09:14,720
ุนู†ุฏู‡
71
00:09:14,720 --> 00:09:31,300
ุงุซู†ูŠู† point ุซู„ุงุซุฉ ุซู„ุงุซุฉ ูˆุงู„ุงุฑุชูุงุน
72
00:09:31,300 --> 00:09:34,480
ูƒู„ู‡ ุซู„ุงุซุฉ inch
73
00:09:47,740 --> 00:09:55,940
ุจุนุฏูŠู† ู‡ุงุฑุฏ ุงุฑุชูุงุนู‡ุง ู†ุงู‚ุต
74
00:09:55,940 --> 00:10:02,260
ูุงุตู„ุฉ ุณุชุฉ ูˆ
75
00:10:02,260 --> 00:10:13,660
ุงู„ู€ ููŠ ุงู„ู…ุตุฏุฑ point ูˆุงุญุฏ ุณุจุนุฉ ู…ุนู†ุงู‡
76
00:10:13,660 --> 00:10:14,620
ุชูˆุฏูŠ ูƒู… ู‡ุชูƒูˆู†
77
00:10:23,720 --> 00:10:28,820
ู‡ุชูƒูˆู† ุซู„ุงุซุฉ ู†ุงู‚ุต point ุงุซู†ูŠู† ุณุชุฉ ู†ุงู‚ุต point ุงุซู†ูŠู†
78
00:10:28,820 --> 00:10:35,760
ุณุชุฉ ูŠุนู†ูŠ ู‡ุชูƒูˆู† ุงุซู†ูŠู† point ุณุจุนุฉ ุฎู…ุณุฉ ุงุซู†ูŠู† point
79
00:10:35,760 --> 00:10:40,880
ุณุจุนุฉ ุซู„ุงุซุฉ ุฃุฑุจุนุฉ
80
00:10:40,880 --> 00:10:47,260
ุซู…ุงู†ูŠุฉ ุงุซู†ูŠู† point ุฃุฑุจุนุฉ ุซู…ุงู†ูŠุฉ ุงุซู†ูŠู†
81
00:10:47,260 --> 00:10:49,880
point ุฃุฑุจุนุฉ ุซู…ุงู†ูŠุฉ
82
00:10:58,760 --> 00:11:03,780
ู‡ูŠูƒูˆู† ุนู†ุฏูŠ ุงุซู†ูŠู† point ุซู„ุงุซุฉ ุซู„ุงุซุฉ ู†ุงู‚ุต point ูˆุงุญุฏ
83
00:11:03,780 --> 00:11:10,740
ุณุจุนุฉ ุจูŠุตูŠุฑ ุงุซู†ูŠู† point ุณุชุฉ ุนู„ู‰ ุงุซู†ูŠู† ูˆุงุญุฏ point
84
00:11:10,740 --> 00:11:20,000
ุซู…ุงู†ูŠุฉ ุตุญ ูˆุงุถุญ
85
00:11:20,000 --> 00:11:23,500
ุฅู† ู‡ูˆ ููŠู‡ symmetry ุญูˆุงู„ูŠู† ุงู„ู€ y axis ูˆููŠู‡ symmetry
86
00:11:23,500 --> 00:11:26,020
ุญูˆุงู„ูŠู† ุงู„ู€ x axis ุจู†ุนุชู‡ ุงู„ู€ neutral axis ุฌุงูŠ ููŠ ุงู„ู†ุต
87
00:11:34,320 --> 00:11:42,020
ุฌุงูŠ ููŠ ุงู„ู†ุต ู‡ุนุชุจุฑ ุงู„ู…ุณุงุญุฉ ุงู„ูƒู„ูŠุฉ ุนุจุงุฑุฉ ุนู† ูŠุนู†ูŠ
88
00:11:42,020 --> 00:11:50,860
ู…ุณุชุทูŠู„ ุงู„ูƒุจูŠุฑ minus ุงู„ู…ุณุชุทูŠู„ ุงู„ุตุบูŠุฑ ูŠุนู†ูŠ ู‡ุฐุง
89
00:11:50,860 --> 00:11:57,220
ู…ุณุชุทูŠู„ ูŠุนู†ูŠ
90
00:11:57,220 --> 00:11:58,480
ู‡ุชุฑุญ ุงู„ู…ุณุงุญุฉ ู‡ุฐู‡
91
00:12:23,190 --> 00:12:30,930
ุทูŠุจ ู…ุนู†ุงุชู‡ ุงู„ู€ I ู‡ุชูƒูˆู† I ู„ู„ู…ุณุงุญุฉ ุงู„ูƒุจูŠุฑุฉ minus I
92
00:12:30,930 --> 00:12:41,770
ู„ู„ู…ุณุงุญุฉ ุงู„ุตุบูŠุฑุฉ ูŠุนู†ูŠ I ู‡ุชูƒูˆู†
93
00:12:41,770 --> 00:12:50,190
ู‡ุณู…ูŠ I ูˆุงุญุฏ minus I ุงุซู†ูŠู† ู‡ุชูƒูˆู† ุชุณุงูˆูŠ I ูˆุงุญุฏ
94
00:12:50,190 --> 00:12:50,750
ู„ูƒุจูŠุฑุฉ
95
00:12:53,460 --> 00:12:58,560
ู‡ุชูƒูˆู† ูˆุงุญุฏ ุนู„ู‰ ุงุซู†ุง ุนุดุฑ ููŠ
96
00:12:58,560 --> 00:13:02,960
B ุงู„ู„ูŠ ู‡ูŠ ุงุซู†ูŠู† bond ุซู„ุงุซุฉ ุซู„ุงุซุฉ ููŠ H ุงู„ู„ูŠ ู‡ูŠ ุฃูƒุซุฑ
97
00:13:02,960 --> 00:13:09,700
ุซู„ุงุซุฉ ุชุฌูŠุจ ุตุญ minus
98
00:13:09,700 --> 00:13:13,540
ูˆุงุญุฏ
99
00:13:13,540 --> 00:13:19,360
ุนู„ู‰ ุงุซู†ุง ุนุดุฑ ุงู„ู€ B ูˆุงุญุฏ bond ุฃูˆ ุซู…ุงู†ูŠุฉ
100
00:13:24,580 --> 00:13:33,320
ููŠ ุงู„ู€ H 2.4 8 ุชูƒุนูŠุจ ููŠ 2 ุตุญ ู„ู…ุง ุชู†ุชู‡ูŠ ุฅู†ู‡ุง ูˆุงุญุฏุฉ ูˆ
101
00:13:33,320 --> 00:13:45,220
ูˆุงุญุฏุฉ ูˆ ุฃู†ุง ุจุญุณุจ ุงู„ู€ I ูƒู…
102
00:13:45,220 --> 00:13:49,220
2.5 2.5 ุจุงู„ุถุจุท
103
00:13:55,140 --> 00:14:01,760
2.496.466
104
00:14:01,760 --> 00:14:14,980
.4 ู‡ุฐุง ุงู„ู€ I ู„ุฃู† ุฃู†ุง ู‡ุฏุฑุณ ุนู†ุฏ A ูˆ B ูˆ C ูŠุนู†ูŠ ุงุญู†ุง
105
00:14:14,980 --> 00:14:16,040
ุฏู‡ ู‡ุงูˆู„ ุฃุนู…ู„ table
106
00:14:30,210 --> 00:14:38,970
ู‡ูŠ ุงู„ู†ู‚ุทุฉ ุงู„ู€ point ู‡ูŠ
107
00:14:38,970 --> 00:14:45,250
ุงู„ู†ู‚ุทุฉ A ุฏู‡
108
00:14:45,250 --> 00:14:51,590
ุฎู„ู†ุง ู†ูƒุชุจ ุชุญุช ุฅู† ุฏูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ Tao VQ
109
00:14:51,590 --> 00:14:56,930
ุนู„ู‰ I ููŠ V ุตุญุŸ
110
00:15:00,280 --> 00:15:06,140
ุงู„ู€ V ู‡ุชูƒูˆู† ุซุงุจุชุฉ ุงู„ู„ูŠ ู‡ูŠ ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† ูˆุงู„ู€
111
00:15:06,140 --> 00:15:14,160
I ุญุณุจู†ุงู‡ุง ู‡ุชูƒูˆู† ุชุณุงูˆูŠ ุซู„ุงุซุฉ ู…ุฆุฉ Transverse Shear
112
00:15:14,160 --> 00:15:20,000
Stress ู‡ุชูƒูˆู† ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† ููŠ ูƒูŠูˆ
113
00:15:20,000 --> 00:15:29,200
ุนู„ู‰ I ุงู„ู„ูŠ ู‡ูŠ ุงุซู†ูŠู† ุฃุฑุจุนุฉ ุชุณุนุฉ ุณุชุฉ ููŠ ุจูŠ ู„ุฃู† ูƒูŠ ูˆ
114
00:15:29,200 --> 00:15:36,420
ุจูŠ ู…ุชุบูŠุฑูŠู† ู„ุญุณุจ ุงู„ู†ู‚ุทุฉ ุณูŠูƒูˆู† ุงู„ุณุงูˆูŠ ูŠุญุตู„
115
00:15:36,420 --> 00:15:41,280
ุซู„ุงุซุฉ ู…ุฆุฉ ูˆุณุชูŠู† ุนู„ู‰ ุงุซู†ูŠู† point ุฃุฑุจุนุฉ ุชุณุนุฉ ุณุชุฉ
116
00:15:41,280 --> 00:15:47,200
ุจูŠู‡
117
00:15:47,200 --> 00:15:54,160
ุณุชุฉ ูˆุฃุฑุจุนูŠู† ูƒูŠ
118
00:15:54,160 --> 00:15:54,820
ูˆ ุนู„ู‰ ุจูŠ
119
00:16:01,860 --> 00:16:10,900
ุนู†ุฏ ู†ู‚ุทุฉ A ุจุฏูŠ ุงุญุณุจ ุงู„ู€ B ุนู†ุฏ ุงูŠ ูƒู… ุงู„ู€ B ู‡ูŠ ุงู„ู€ B
120
00:16:10,900 --> 00:16:22,920
point ูˆุงุญุฏ ุณุจุนุฉ ุทูŠุจ
121
00:16:22,920 --> 00:16:27,500
ุงู„ู€
122
00:16:27,500 --> 00:16:28,540
Q ุงูŠุด ุจุณุงูˆูŠ
123
00:16:34,430 --> 00:16:43,230
ุงู„ู€ Q ู„ู„ู…ู…ุช ู„ู„ู€ area ุงู„ู…ุชุจู‚ูŠุฉ ูŠุนู†ูŠ ุงู„ู€ area ุงู„ู…ุชุจู‚ูŠุฉ
124
00:16:43,230 --> 00:16:49,510
ู‡ูŠ ู†ู‚ุทุฉ A ุนุจุงุฑุฉ ุนู† ุงู„ู…ุณุชุทูŠู„ ู‡ุฐุง ูˆุงู„ู…ุณุชุทูŠู„ ู‡ุฐุง
125
00:16:49,510 --> 00:16:58,270
ุงู„ู…ู…ุช ู„ู„ู€ area ู‡ุฐุง ู‡ูŠ ูƒูˆู† ุฎู„ู†ุง ู†ุงุฎุฏ .. ุฎู„ู†ุง ู†ุนู…ู„
126
00:16:58,270 --> 00:17:01,590
ู‡ู†ุง ู‡ุฐู‡
127
00:17:01,590 --> 00:17:01,870
D
128
00:17:06,050 --> 00:17:10,890
ู‡ุงูŠ C ู‡ุงูŠ
129
00:17:10,890 --> 00:17:27,670
D ุงู„ู€
130
00:17:27,670 --> 00:17:33,050
QA ู‡ุชูƒูˆู†
131
00:17:33,050 --> 00:17:33,530
ุชุณุงูˆูŠ
132
00:17:37,280 --> 00:17:44,120
ุงู„ู€ area ุฏูŠ ุจู‚ุฑุง point ูˆุงุญุฏ ุณุจุนุฉ point
133
00:17:44,120 --> 00:17:51,060
ูˆุงุญุฏ ุณุจุนุฉ ููŠ ุงู„ุงุฑุชูุงุน ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ two point four
134
00:17:51,060 --> 00:17:58,380
eight ุนู„ู‰ ุงุซู†ูŠู† ูˆุงุญุฏ ูˆุงุฑุจุน ูˆุนุดุฑูŠู† ู…ุฑูƒุฒู‡ุง
135
00:17:58,380 --> 00:18:03,540
ุจุจุนุฏ ุนู† ุงู„ู†ุต ุนู„ู‰
136
00:18:03,540 --> 00:18:10,150
ุงุซู†ูŠู† ุนุดุงู† ุงุฌูŠุจ ุงู„ุนุฒู… ุชุงุจุนู‡ุง ููŠ ูˆุงุญุฏ ูุงุตู„ุฉ ุฃุฑุจุนุฉ
137
00:18:10,150 --> 00:18:17,830
ูˆุนุดุฑูŠู† ุนู„ู‰ ุงุซู†ูŠู† ุฒุงุฆุฏ ุงู„ู…ุณุงุญุฉ ู‡ุฐู‡ ุงู„ุชูŠ ู‡ูŠ ุงุซู†ูŠู†
138
00:18:17,830 --> 00:18:22,910
point ุซู„ุงุซุฉ ุซู„ุงุซุฉ ููŠ
139
00:18:22,910 --> 00:18:26,670
point ุงุซู†ูŠู† ุณุชุฉ
140
00:18:29,210 --> 00:18:35,990
ููŠ ุจุนุถ ู…ุฑูƒุฒู‡ุง ู‡ูŠูƒูˆู† ุงู„ู‡ูˆุง ูˆุงุญุฏ point ุงุซู†ูŠู† ุฃุฑุจุน
141
00:18:35,990 --> 00:18:39,930
ุฒุงุฏ point ุงุซู†ูŠู† ุณุชุฉ ุนู„ู‰ ุงุซู†ูŠู† ูŠุนู†ูŠ ูˆุงุญุฏ point
142
00:18:39,930 --> 00:18:43,410
ุงุซู†ูŠู† ุงุฑุจุนุฉ ุฒุงุฏ ุซู„ุงุซุฉ ุนุดุฑ ูŠุนู†ูŠ ูˆุงุญุฏ point ุซู„ุงุซุฉ ุณุจุนุฉ ุตุญ
143
00:18:43,410 --> 00:18:55,870
ููŠ ูˆุงุญุฏ point ุซู„ุงุซุฉ ุณุจุนุฉ ุงุญุณุจูˆุง ุงู„ queue ู‡ู†ุง point
144
00:18:55,870 --> 00:19:06,700
ุชุณุนุฉ ูˆุณุชุฉ ุจุงู„ุถุจุท point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ
145
00:19:06,700 --> 00:19:08,680
ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ
146
00:19:08,680 --> 00:19:08,760
ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ
147
00:19:08,760 --> 00:19:14,740
point
148
00:19:14,740 --> 00:19:16,140
ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ
149
00:19:16,140 --> 00:19:16,260
ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point
150
00:19:16,260 --> 00:19:17,380
ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ
151
00:19:17,380 --> 00:19:17,660
ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point
152
00:19:17,660 --> 00:19:17,860
ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ
153
00:19:17,860 --> 00:19:17,940
ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point
154
00:19:17,940 --> 00:19:18,140
ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ
155
00:19:18,140 --> 00:19:18,540
ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point
156
00:19:18,540 --> 00:19:18,560
ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ
157
00:19:18,560 --> 00:19:20,660
ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ point ุชุณุนุฉ ุณุชุฉ ูˆุง
158
00:19:25,120 --> 00:19:30,360
ุชุงุค transverse shear stress ู‡ุชูƒูˆู† ู…ุฆุชูŠู† ููŠ point
159
00:19:30,360 --> 00:19:37,560
ุณุชุฉ ููŠ point ุชุณุนุฉ ุณุชุฉ ูˆุงุญุฏ ุนู„ู‰ point ุณุจุนุฉ ุนุดุฑ ูƒู… ุชุทู„ุน
160
00:19:37,560 --> 00:19:47,620
point
161
00:19:47,620 --> 00:19:51,420
ุณุจุนุฉ ุนุดุฑ
162
00:19:51,420 --> 00:19:52,120
ูƒู…
163
00:19:56,400 --> 00:20:09,640
ุซู…ุงู†ูŠุฉ point ุงุฑุจุนุฉ point ุงุฑุจุนุฉ ุทูŠุจ ุงู„
164
00:20:09,640 --> 00:20:19,540
bending moment ุงู„ู€ M ุงูŠุด ุงู„ุณุงูˆูŠุฉ ุงูˆ ุงู„ sigma due to
165
00:20:19,540 --> 00:20:29,110
bending moment ู… ููŠ Y ุนู„ู‰ I ุตุญ ุงู„ Y ุนู†ุฏูŠ ุดูˆ ุงู„ุณุงูˆูŠุฉ
166
00:20:29,110 --> 00:20:44,530
ุฒูŠุฑูˆ ุฒูŠุฑูˆ ุฎู„ู†ุง ู†ุญุท ุงู„ Y ู‡ู†ุง ุนู†ุฏูŠ ุฒูŠุฑูˆ ุงู„
167
00:20:44,530 --> 00:20:47,470
I ู…ุงุชูˆุด ุงู„ุณุงูˆูŠุฉ ูŠุนู†ูŠ ุงู„ Sigma
168
00:20:57,720 --> 00:21:04,700
ุฒูŠุฑูˆ ุณูŠุฌู…ุง ุนุดุงู† ุงู„ุณุงูˆูŠุฉ ุฒูŠุฑูˆ ุทูŠุจ ุจู†ุดูˆู ุงู„ู†ู‚ุทุฉ
169
00:21:04,700 --> 00:21:12,360
ุงู„ุซุงู†ูŠุฉ ุจูŠ ุจูŠ ูˆูŠู† ุฌุงูŠุฉ ุจูŠ
170
00:21:12,360 --> 00:21:20,500
ุฌุงูŠุฉ ู‡ู†ุง just below ุงู„ุฎุท ู‡ุฐุง below just below ุงู„
171
00:21:20,500 --> 00:21:26,210
ุงู„ู€ ุจูŠ ู‡ุชูƒูˆู† ุนู„ู‰ ูƒุงู… ู†ูุณ ุงู„ู€ point ูˆุงุญุฏ
172
00:21:26,210 --> 00:21:46,050
ุณุจุนุฉ
173
00:22:00,400 --> 00:22:06,240
ุจูˆูŠู†ุช ุซู…ุงู†ูŠุฉ ุซู„ุงุซุฉ
174
00:22:06,240 --> 00:22:10,160
ุชุฑุงู†ุณููŠุฑุณ
175
00:22:10,160 --> 00:22:12,800
ุดูŠุฑ ุงุณุชุฑุณ ู‡ูŠูƒูˆู† ู…ุงุฆุฉ ูˆุณุชุฉ ูˆุฃุฑุจุนูŠู† point ุณุชุฉ ููŠ Q
176
00:22:12,800 --> 00:22:17,240
ุนู„ู‰ B ูŠุนู†ูŠ ู‡ูŠ Q ุนู„ู‰ B ุณูŠุจูˆู‡ุง ุฃูƒุซุฑ ุจุชุทู„ุน
177
00:22:34,760 --> 00:22:39,440
ุฃู†ุง ู…ุด ุนุงุฑู ุชุญุณุจูˆุง ุฃู†ุชูˆ ุงุฐุง ูƒุตูˆุฑุงุชูƒู… ููŠ ุงู„ุนุงู„ู„ุฉ
178
00:22:39,440 --> 00:22:47,520
ุญุงุณุจุฉ ุงู„ Y
179
00:22:47,520 --> 00:23:00,720
ู‡ุชูƒูˆู† ูˆุงุญุฏ point ุงุซู†ูŠู† ุงุฑุจุนุฉ ุทูŠุจ ุฃู†ุง ุงู„ signal ููŠู‡
180
00:23:00,720 --> 00:23:03,100
ุนู†ุฏูŠ ุงู„ M ุซุงุจุชุฉ ูˆุงู„ I ุซุงุจุชุฉ ุงู„ M
181
00:23:06,120 --> 00:23:15,200
ุจุชุณุงูˆูŠ ุฃู„ู .ุซู…ุงู†ูŠุฉ ูˆุซู…ุงู†ูŠู† ูˆุชุณุนูŠู† ุนู„ู‰
182
00:23:15,200 --> 00:23:33,760
I ู„ูŠู‡ ุงุซู†ูŠู† point ุงุฑุจุนุฉ ุชุณุนุฉ ุณุชุฉ ููŠ Y ุฎู…ุณู…ุงุฆุฉ
183
00:23:39,390 --> 00:23:49,070
545.5ร—1.24 ูŠุนู†ูŠ ุงู„ sigma ุฃูƒู…ู„
184
00:23:49,070 --> 00:23:53,630
ุญุชุณุงูˆูŠ 565.5ร—1.24
185
00:24:08,210 --> 00:24:15,830
545.489 ูƒู… 439
186
00:24:15,830 --> 00:24:30,310
.9 ููŠ Y ุงู„ sigma ูƒู… ุชุทู„ุน Y ุนู†ุฏ 1.24 545.489
187
00:24:39,490 --> 00:24:46,030
ุฎู…ุณุฉ ู„ุฃู† ู†ู‚ุทุฉ C ุงู„ู„ูŠ ู‡ูŠ just above ุงู„ B ู‡ุณูŠ ุฑู‚ู…
188
00:24:46,030 --> 00:24:50,310
ุงุซู†ูŠู†
189
00:24:50,310 --> 00:24:59,270
point ุซู„ุงุซุฉ ุซู„ุงุซุฉ ู†ูุณ ุงู„ queue ู‡ุชูƒูˆู† point
190
00:24:59,270 --> 00:25:00,510
ุซู…ุงู†ูŠุฉ ุซู„ุงุซุฉ
191
00:25:05,910 --> 00:25:08,990
ุชุฑุงู†ุณููŠุฑุณ ุฑ ุณุชุฑูŠุด ู‡ุง ูƒูˆู…ูŠูˆ ุณุชุฑ ุจูŠ ุจูˆู† ุณุชุฉ ููŠ ูƒูŠูˆ ุนู„ู‰
192
00:25:08,990 --> 00:25:14,370
ุจูŠ ุจูˆู† ุซู„ุงุซุฉ ุซู„ุงุซุฉ ุนู„ู‰ ุงุซู†ูŠู† ุจูˆู† ุซู„ุงุซุฉ ุซู„ุงุซุฉ
193
00:25:14,370 --> 00:25:21,090
ุงู„
194
00:25:21,090 --> 00:25:26,530
Y
195
00:25:26,530 --> 00:25:28,470
ู†ูุณู‡ุง ูˆุงุญุฏ point ุงุซู†ูŠู† ุงุฑุจุนุฉ
196
00:25:41,130 --> 00:25:45,890
ุงู„ู†ู‚ุทุฉ D ุงู„
197
00:25:45,890 --> 00:25:51,790
ุงู„ B ุงู„ุชูŠ ู‡ูŠ 2.33ูˆุงู„ู€ Q ุดูˆ ุณุงูˆูŠุŸ ุงูŠุด ุงู„ area
198
00:25:51,790 --> 00:26:02,250
ุงู„ู…ุชุจู‚ูŠุฉุŸ ุตูุฑ ุงู„ู€ Q ุณุงูˆูŠุŒ ุตูุฑุŒ ู…ุนู†ุงุชู‡ ู‡ุฐุง ุตูุฑ ูˆ ุงู„
199
00:26:02,250 --> 00:26:09,430
Y ุงู„ู„ูŠ ู‡ูŠ ูˆุงุญุฏ ูˆ ู†ุต ู…ู†ู‡ุง
200
00:26:09,430 --> 00:26:12,750
ุจุญุณุจ ุงู„ sigma ุณูˆุงุก 49.9 ููŠ ูˆุงุญุฏ ูˆ ู†ุต
201
00:26:28,970 --> 00:26:32,990
ุจุนุฏ ุงู„ุซู…ุงู†ูŠุฉ ู…ุด ุจุนุฏ ุงู„ุซู…ุงู†ูŠุฉ ูŠุนู†ูŠ ุจุตูŠุฑ ูุงุตู„ุฉ ุชุณุนุฉ
202
00:26:53,890 --> 00:27:04,670
ุงู„ู€ maxial shear stress tau max ู‡ูˆ radius
203
00:27:04,670 --> 00:27:13,430
ุงู„ุชุฑุจูŠุนูŠ
204
00:27:13,430 --> 00:27:19,370
ู„ุณุฌู† ุนู„ู‰ ุงุซู†ูŠู† ู„ูƒู„ ุชุฑุจูŠุน
205
00:27:24,690 --> 00:27:32,010
ุฒุงุฆุฏ ุชุงูˆ ุงูƒุณ ูˆุงูŠ ุงู„ู„ูŠ ุญุณุจู†ุงู‡ุง ุชุฑุจูŠุน ูŠุนู†ูŠ ู‡ู†ุง ู„ูˆ
206
00:27:32,010 --> 00:27:44,110
ุญุณุจู†ุง ุชุงูˆ ู…ุงูƒุณ ููŠ
207
00:27:44,110 --> 00:27:49,430
ุงู„ุญุงู„ุฉ ุงู„ุฃูˆู„ู‰ ู‡ู†ุง ุฏูŠ ุงู„ sigmaุงุด ุฒูŠุฑูˆ ุตุญุŸ ุงู„ู…ุนู†ู‰
208
00:27:49,430 --> 00:27:51,610
ุฃู†ู‡ุง ูƒุฑุฉ ุชุงู…ุฉ ูˆ ุซู…ุงู†ูŠุฉ ูˆ ุนุดุฑูŠู†
209
00:27:55,100 --> 00:28:00,920
ุจู†ุช ูุงุฑ ููŠ
210
00:28:00,920 --> 00:28:09,640
ุงู„ุญุงู„ุฉ ู‡ุฐู‡ ุจุฑุถู‡ ุนู†ุฏ ูƒุงุฑูŠู† ุฒูŠุฑูˆ ู‡ุชูƒูˆู† ุณูŠุฌู…ุง ุนู„ู‰
211
00:28:09,640 --> 00:28:15,100
ุงุซู†ูŠู† ุณูŠุฌู…ุง ุนู„ู‰ ุงุซู†ูŠู† ุงู„ู„ูŠ ู‡ูŠ ู‡ุชูƒูˆู† ุณุชู…ู†ุณุฉ ุฎู…ุณูŠู†
212
00:28:15,100 --> 00:28:23,100
point ุชุณุนุฉ ุนู„ู‰ ุงุซู†ูŠู† ุงู„ู„ูŠ ู‡ูŠ ุซู„ุงุซุฉ ุงุซู†ูŠู† ุชุณุนุฉ
213
00:28:24,830 --> 00:28:28,970
ูŠุนู†ูŠ ุชู‚ุฑูŠุชู‡ุง ุซู„ุงุซูŠู†ูŠุฉ ูˆุซู„ุงุซูŠู†ูŠุฉ ุชุทู„ุน ุซู„ุงุซูŠู†ูŠุฉ ูˆ
214
00:28:28,970 --> 00:28:35,550
ุซู„ุงุซูŠู†ูŠุฉ ุงู„ุญุงู„ุฉ
215
00:28:35,550 --> 00:28:42,990
ุงู„ุฃุฎูŠุฑุฉ ููŠ ุงู„ุญุงู„ุฉ ุงู„ุฎุงู…ุณุฉ ู‡ู†ุญุณุจ ุณูŠุฌู…ุง
216
00:28:42,990 --> 00:28:48,090
ุนู„ู‰ ุงุซู†ูŠู† ู„ูƒู„ ุชุฑุจูŠุน ุงุฒุงูŠ ุชุจู‚ู‰ x y ุชุฑุจูŠุน ุชุญุช
217
00:28:48,090 --> 00:28:52,030
ุงู„ุฌุฏุฑูŠู† ุชุทู„ุน ุซู„ุงุซูŠู†ูŠุฉ ูˆุชุณุนุฉ ูˆุชุณุนูŠู† ุญุตุฉ ุชุณุนุฉ ูˆ
218
00:28:52,030 --> 00:29:02,240
ุชุณุนุฉ ูˆุณุจุนุฉ ูŠุนู†ูŠ ุชุณุน ู…ุฆุฉ ุงู„ุซุงู†ูŠุฉ
219
00:29:02,240 --> 00:29:09,000
ุฎู…ุณู…ุงุฆุฉ
220
00:29:09,000 --> 00:29:14,820
ุณุจุนุฉ ูˆุงุฑุจุนูŠู† ุฎู…ุณู…ุงุฆุฉ ูˆุฏู…ุงู†ูŠุฉ ูˆุงุฑุจุนูŠู† ุฏู‡ ูุงุช ุฏู‡ ุฏู‡
221
00:29:14,820 --> 00:29:16,780
ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡ ุฏู‡
222
00:29:23,220 --> 00:29:29,680
ุงู‡ ู…ุธุจูˆุท ุณุจุนู…ุงุฆุฉ ูˆ
223
00:29:29,680 --> 00:29:36,080
ุงู„ุซุงู†ูŠุฉ
224
00:29:36,080 --> 00:29:41,500
ู‡ุฏ
225
00:29:41,500 --> 00:29:46,080
ุนู„ู‰ ุงุซู†ูŠู† ุจุนุฏูŠู† ุชุฑุงุฌุนูˆู‡ุง ูˆุฃู†ุชู… ุฎู…ุณุฉ
226
00:29:56,080 --> 00:29:59,200
ุงู„ุขู† ู„ู…ุง ู†ุฌูŠ ู†ุนู…ู„ ุงู„ profile
227
00:30:30,940 --> 00:30:45,060
ุฎู„ูŠู†ูŠ ุฃุฎุฏ ููŠ ุงู„ุฃูˆู„ ุงู„ู€ Transverse Shear Stress ุงู„
228
00:30:45,060 --> 00:30:51,480
Transverse Shear Stress ุนู†ุฏ D ุจูŠูƒูˆู† ุนุดุฑ ุตูุฑ ูŠุนู†ูŠ
229
00:30:51,480 --> 00:30:57,920
ุตูุฑ ุนู†ุฏ C ุงุซู†ูŠู† ูˆุฎู…ุณูŠู†
230
00:31:12,160 --> 00:31:20,280
52 point 52
231
00:31:20,280 --> 00:31:23,540
point
232
00:31:23,540 --> 00:31:27,740
2
233
00:31:27,740 --> 00:31:32,000
ู„ 2 ูŠุนู†ูŠ
234
00:31:32,000 --> 00:31:36,100
ุฏูŠ ุจุชุฑุชูุน
235
00:31:36,100 --> 00:31:39,980
ูุฌุฃุฉ 715 ูŠุนู†ูŠ ู‡ูŠุตุจุญ ุฒูŠ ู‡ูŠูƒ
236
00:31:53,050 --> 00:32:07,550
ุจุนุฏูŠู† ุนู†ุฏ a 824 ุทุจุนุง
237
00:32:07,550 --> 00:32:08,110
ู‡ูˆ symmetric
238
00:32:26,990 --> 00:32:38,090
ูŠุนู†ูŠ ู‡ุงูŠ ุงู„ profile ุชุจุนู‡ุง ู‡ุฐุง
239
00:32:38,090 --> 00:32:46,430
ุงู„ transverse ุงู„ transverse share stress ุงู„
240
00:32:46,430 --> 00:32:52,250
bending stress
241
00:33:02,540 --> 00:33:05,300
ูˆุงุถุญ ุนู†ุฏ a ุจุงู„ุณุงูˆูŠุฉ ุตูุฑ
242
00:33:26,420 --> 00:33:35,060
ุนู†ุฏ A ุตูุฑ ุนู†ุฏ B ุฎู…ุณู…ุงุฆุฉ ูˆุฎู…ุณุฉ ูˆุฃุฑุจุนูŠู† ูˆู†ุต ุฎู…ุณู…ุงุฆุฉ
243
00:33:35,060 --> 00:33:42,440
ูˆุฎู…ุณุฉ ูˆุฃุฑุจุนูŠู† ูˆู†ุต ูˆ
244
00:33:42,440 --> 00:33:47,440
ุงู„ C ู†ูุณ ุงู„ุดูŠุก ู…ุง ู‡ูŠ ูˆุนู†ุฏูŠ ุณุชู…ุงุฆุฉ ูˆุชุณุนุฉ ูˆุฎู…ุณูŠู† ูˆ
245
00:33:47,440 --> 00:33:53,140
ู‡ุฐุง ู‡ุฐุง
246
00:33:53,140 --> 00:33:55,440
ู„ู„ stress due to bending
247
00:34:27,180 --> 00:34:33,200
ุทุจุนุง ุงู„ุชุงูˆ ู…ุงูƒุณ ู‡ูˆ maximum shear stress ูŠุนู†ูŠ
248
00:34:33,200 --> 00:34:37,240
ู„ุงุญุธูˆุง ุฃู† ุงู„ุทุฑุงุฒ ุงู„ุดูŠุก ุงู„ stress ุนู†ุฏ ุงู„ surface
249
00:34:37,240 --> 00:34:43,580
ุฒูŠุฑูˆ ู„ูƒู† ุงู„ normal stress ุงู„ู„ูŠ ู‡ูˆ ู‚ูŠู…ุฉ ู…ุด ุฒูŠุฑูˆ
250
00:34:43,580 --> 00:34:48,860
ุจูŠูƒูˆู† maximum ุงู„ normal stress ุนู†ุฏ ุงู„ center ุจูŠูƒูˆู†
251
00:34:48,860 --> 00:34:54,200
ุฒูŠุฑูˆ ูˆุงู„ุทุฑุงุฒ ุงู„ุดูŠุก ุงู„ stress ุจูŠูƒูˆู† ุงูŠุด maximum ุงู„
252
00:34:54,200 --> 00:34:55,200
maximum shear stress
253
00:35:27,650 --> 00:35:32,210
ูŠุนู†ูŠ ุนู†ุฏูŠ ุงู‡
254
00:35:32,210 --> 00:35:43,110
ุซูˆู…ูŠุฉ ูˆุฃุฑุจุนุฉ ูˆุนุดุฑูŠู† ู‡ุงูŠ ุงู‡ ุฎู„ู†ุง ู†ุจุฏุฃ ู…ู† ุนู†ุฏูŠ ุนู†ุฏูŠ
255
00:35:43,110 --> 00:35:54,610
ุซู„ุงุซู…ุงุฆุฉ ูˆุซู„ุงุซูŠู† ุจุงู„ุฒู„
256
00:35:54,610 --> 00:35:56,770
ู„
257
00:36:02,330 --> 00:36:13,530
ุนู†ุฏ C ุจู†ุฒู„ ู„ุญุฏ 277 ู‡ู†ุง
258
00:36:13,530 --> 00:36:19,910
ุซู„ุงุซู…ุงุฆุฉ ูˆุซู„ุงุซุฉ ูˆุซู„ุงุซูŠู† ุซู„ุงุซู…ุงุฆุฉ ูˆุซู„ุงุซูŠู† ุจู†ุฒู„ ู„ุญุฏ
259
00:36:19,910 --> 00:36:23,230
277
260
00:36:23,230 --> 00:36:30,090
ุจุนุฏูŠู† ุนู†ุฏ B ุจุทู„ุน
261
00:36:33,820 --> 00:36:40,900
ู„ุณุจุนู…ุงุฆุฉ ูˆุฎู…ุณ ูˆุณุชูŠู† ุจุนุฏูŠู†
262
00:36:40,900 --> 00:36:48,620
ุนู†ุฏ a ุจูŠุทู„ุน ู„ุซู…ุงู†ูŠุฉ ูˆุฃุฑุจุน ูˆุนุดุฑูŠู† ุทุจุนุง
263
00:36:48,620 --> 00:36:49,160
ู‡ูˆ symmetric
264
00:37:37,970 --> 00:37:43,630
ู‡ูŠูƒ ุฃู‚ู„ ู…ู† ุงู„ profile ู„ู„
265
00:37:43,630 --> 00:38:06,070
maximum shear stress ููŠ
266
00:38:06,070 --> 00:38:06,710
ุฃูŠ ุณุคุงู„ุŸ
267
00:38:10,790 --> 00:38:13,910
ุฃูˆู„ failure ูˆูŠู† ู‡ูŠูƒูˆู†ุŸ ู‡ูŠุจุฏุฃ ู…ู† ู‡ู†ุง ุฏู„ูˆู‚ุชูŠ ูˆ
268
00:38:13,910 --> 00:38:16,570
ู…ุจุงุดุฑุฉ ูˆู…ู† ู‡ู†ุง ูˆู„ุง ุญุชู‰ ู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง
269
00:38:16,570 --> 00:38:18,210
ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
270
00:38:18,210 --> 00:38:18,250
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
271
00:38:18,250 --> 00:38:18,590
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
272
00:38:18,590 --> 00:38:23,070
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
273
00:38:23,070 --> 00:38:24,470
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
274
00:38:24,470 --> 00:38:28,210
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
275
00:38:28,210 --> 00:38:28,230
ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู† ู‡ู†ุง ูˆู…ู†
276
00:38:28,230 --> 00:38:33,930
ู‡ู†ุง ูˆ
277
00:38:33,930 --> 00:38:40,310
ู…ู† ู‡ู†ุง ูˆู†ู‚ุทุฉ a ุงู„ู„ูŠ ู‡ูŠ element ูŠู‚ุน ููŠ ุงู„ู†ุต ู‡ู†ุง
278
00:38:40,310 --> 00:38:47,190
ูŠุนู†ูŠ ุฅุฐุง ุงู„ stress level ู‡ู†ุง ุชุฎุทู‰ ุงู„ yield ู‡ูŠุจุฏุฃ
279
00:38:47,190 --> 00:38:49,350
ูŠุตูŠุฑ ููŠู‡ deformation ุฃูˆู„ ูˆุงุญุฏ ุณูŠุตูŠุฑ deformation
280
00:38:49,350 --> 00:38:58,430
ู‡ู†ุง ู‡ุฐู‡ ู†ู‚ุทุฉ a ุนู†ุฏ ุงู„ section ุงู„ู„ูŠ ู‡ูŠ c capital
281
00:38:58,430 --> 00:39:01,210
ุนู†ุฏ section c capital ุนู†ุฏ ู†ูุณ ุงู„ section
282
00:39:05,370 --> 00:39:06,510
ู…ุงุดูŠ ุฃุทูŠุจ ูƒู„ ุนุฑููŠู‡