QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄...

5
QR>S"ðTÙÄU?6e89 Ô_ *¸+ðóð¹ÚÅæ(ðòtÎÅÎ?ÈR*¸¸ß 230000 :; ØIl±/dx^|±íýºF±ÝÞMe´¬íý4].Ñ8,-îï.,¸]ØI l±4ª£êMNF±TU4\µ8¸VWè±U\µ8¸Ð4áë±ÐѢȧb4 á©ÍÑÈAW9MN¨ ANSYS ]ØIl±:ª£êMNiYF±4\µMewrW§¨±õL© ANSYS ö?,i>Ϻ±§ËBÇ`ñºÑ\µ`§¨±±Ë4±ö?ìHF ÚÛ-ÚmHºxíÊÑFl±4-ÚX<`ħb±4ø?Yc]4>Ï*+<=> ØIl±AW98¸ ?@ABC S277  DEFGH A  DIJC 0517-6611 2018 21-0185-04 StudyontheStressConcentrationPhenomenonabouttheCircularArchandStraightWallWaterCellar ZHANGShihua Monitoring&SupervisionCenterofWaterandSoilConservation AnhuiSurvey&DesignInstituteofWaterConservancy &Hydropower Hefei Anhui230000 Abstract ThecylindricalwatercellarisacommonrainfallcollectionfacilityinnorthwestwatershortageareasofChinaandwaterresources distributedunbalancedareas.Thelackofanalysisonwatercellarspatialstructureandignoringwatercellarstressconcentrationproblemshave ledtodamageonthewatercellarstressconcentrationsitesoragreaterthicknessofthewastematerial.Inthisresearch wecalculatedthe stressdistributionofthewatercellartoverifythewatercellarstrengththroughanalyzingthewatercellarstructurebyANSYSsoftware andob tainedthedifferentvolumesofwatercellargeometryoptimizationbyANSYSoptimaldesigningtheory soastousetheminimumwatercellar materialsastheobjectivefunction andtouseallowablestressofthematerialastheconstraincondition.Then accordingtotheoptimalsizes theworkercouldbuildthiskindofwatercellarconveniently andthisresearchprovidedtheoreticalbasisforthedevelopmentofnewwatercel lar. Keywords Circulararchandstraightwallwatercellar Finiteelement Stressconcentration NOPQ Ô_1983 —), kr2 mÚÛopqrs±# eIhzRSTU 2018-04-19 OPQñ[;/BCÙ`r//'ðß×Üf /V1/ZQZ\]ðÛBkâµGð/F¯àW .ZQZd#/þôÜNÝ<ðÛBk-.£ôµG µ< uA§d[Y¾§V&VÛK·LJ0-.deÛÁ-< /è3·Â/ðÛG, ÛÁò_z/;k9}Q~vv¾ðÛ÷ôFµM \ÅÛÚßeK·W5÷ðÛ77"Avòo, Ûß@þ2ª¿¾/HôþRd(n1×Ø~un5á»WðÛn1}ï>0K¸?/Þ8ªðÛ·L/í¤ÞÕ$IV~·LæïÈ u)\·Lò?kæï§B&2R6½ßc ªÏ/æï¨ö÷kjANSYS ö÷/K·kf0¢ FLMÆ3/btCFxD-./ðÛ÷ôÁÙ ;Á,<88ªf|?dj/ðÛ¥Á8ª@ þ~2d(×Ø¥ÁÚå~2~j¿¾æÕêÖ ¹^Û)\·Ló/ñ«¬oqÀ Áßcª2Wo5óö÷ ANSYS 5ÜNÝ<ðÛU ·LóÛßAôNÙ ¯r&UÂþ HIj~5·LÞ/TæK®*w¯9:/Ü NÝ<ðÛkáðÛ/ÁÆ%&b8>kCWð Û/p?\1 à82!|)WV o5A/vÄþ,MÛK·LXÔk'Ñ7/8 ØñS/[5¾UÂo5óM}¯àígÖ} 7[5-Ø2óôÌÿáéÉ=SpP÷ o5×fxV>k²#T/Íâµ<×ÛL}~-./þ-4d/y 2-3 ᫬ ¯;W;W kÜNÝ<ðÛßN æ;W kÜNÝ<ðÛßæ¯ðÛ WDµ¸Nñ ~ý=a/K·LÞæF(8Û ãÛôÙÛß jñ ØkÛß-ÛÚ·¸± kNÛÙkÛß-ÛÚôÂk /ST@ 1 ðTWõX>YVQYF7h+ Fig.1 Theskepticalmapofrightangleandfilletwatercellar ®K;WÅÖn³uo5;W abcdefJ.AnhuiAgric.Sci.2018 46 21 ): 185-188 196

Transcript of QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄...

Page 1: QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄ 20„Ø•LfiK[5 Solid95j~ŒŒ D‡g~vdjí⁄ðÛfiK/PîTŁo5;W[4],8“ ŽœµðÛµ ...

QR>S"ðTÙÄU?6e89

Ô�_

 (*¸+ðóð¹ÚÅ�æ(ðò�tÎÅÎ?ÈR

,*¸¸ß

230000)

:;

 Ø�I�l±�/dx^|�±íýºF±ÝÞMe´¬�íý4]�.Ñ8�,-

,îï��U±�.,¸��]Ø�I�

l±�4�ª£êMN

,���F±�TU4\µ8¸VW

,趱�U\µ8¸Ð�4��á�ë±�ÐÑ¢È�L趧b4�

。á©ÍÑÈ�AW9MN�¨

ANSYS]Ø�I�l±�:��ª£êMN

,iY�F±�4\µMew�

,rW§¨±�õL

Xá©

ANSYSö?,i>Ï

,º±��§ËBÇ`���ñ

,º�Ñ\µ`��§¨

,±Z´��±Ë4±�ö?�ì��

。�HF

��

,ÚÛ-Úm�Hºx�íÊÑF�l±�4-Ú

,X<`ħb±�4ø?Yc]�4>Ï*+

<=>

 Ø�I�l±�

;AW9

;\µ8¸

?@ABC

 S277  DEFGH

 A  DIJC

 0517-6611(2018)21-0185-04

StudyontheStressConcentrationPhenomenonabouttheCircularArchandStraightWallWaterCellarZHANGShihua (Monitoring&SupervisionCenterofWaterandSoilConservation,AnhuiSurvey&DesignInstituteofWaterConservancy&Hydropower,Hefei,Anhui230000)Abstract ThecylindricalwatercellarisacommonrainfallcollectionfacilityinnorthwestwatershortageareasofChinaandwaterresourcesdistributedunbalancedareas.Thelackofanalysisonwatercellarspatialstructureandignoringwatercellarstressconcentrationproblemshaveledtodamageonthewatercellarstressconcentrationsitesoragreaterthicknessofthewastematerial.Inthisresearch,wecalculatedthestressdistributionofthewatercellartoverifythewatercellarstrengththroughanalyzingthewatercellarstructurebyANSYSsoftware,andobtainedthedifferentvolumesofwatercellargeometryoptimizationbyANSYSoptimaldesigningtheory,soastousetheminimumwatercellarmaterialsastheobjectivefunction,andtouseallowablestressofthematerialastheconstraincondition.Then,accordingtotheoptimalsizes,theworkercouldbuildthiskindofwatercellarconveniently,andthisresearchprovidedtheoreticalbasisforthedevelopmentofnewwatercellar.Keywords Circulararchandstraightwallwatercellar;Finiteelement;Stressconcentration

NOPQ

 Ô�_

(1983—),k

,r�2 m

,ÚÛo

,pq

,rs±#

eIhz

RSTU

 2018-04-19

  OPQ

,ñ�[;/BCÙ`r//'

,�ðß×Üf

/V1/ZQZ\]

,ðÛBkâµGð/F¯àW���

.ZQZd#/þô

,�ÜNÝ<ðÛBk-.£ôµG�

�µ<

[1],uA�§d[Y¾

、§V&V

、ÛK·LJ0i¥

J�Ø-.de�ÛÁ­< /�è

。3·Â/ðÛG,

�ÛÁ�ò_z/;k9}Q�~

,vv¾ðÛ÷ôFµM

\ÅÛÚß�eK·W5

,÷ðÛ77�"

,A�vòo,

Ûß@�þ�2ª¿¾/Hôþ�Rd(n1×Ø

,~u

��n5á»WðÛUÂn1}ï>�0K¸?/�Þ

8ªðÛ·L/í¤�ÞÕ$IV

,~u¾·LæïÈ��

u)\·Lò?k��

,æï§B&2R6�½

,��ßc

ª�Ï/æï¨ö÷kd j

,ANSYSö÷/K·kf0¢

FLM�Æ3��/bt

。CFxD

,-./ðÛ÷ôÁÙ

;�Á,<8

,8ªf|?\¶d

,�j/ðÛ¥Á8ª@

�þ�~2d(×Ø

,¥ÁÚå~2~j¿¾æÕ

。êÖ�

,¹^�5ðÛUÂ)\·L�ó/ñ�«¬

。oq

,À

Áßcª2W�o5�óö÷

ANSYS5�ÜNÝ<ðÛU

·L�ó

,5ðÛß�AôN�Ù��

2̄r&UÂþ�

HI

,j~5·L�Þ/�T

,�æK®*w¯9:/�Ü

NÝ<ðÛ

,káðÛ/��Á�Æ%&b8

,>kCWð

Û/pB�Æ?\��

1 à82�A§!|)WV

�o5A/�vÄþ,MÛK·LXÔk'Ñ7/8

�ØñS/[5

,¾UÂ�o5�óM

,}¯àíg�Ö}

7[5­�Ø2

,óôÌÿáéÉ=S�pP�÷

,���

o5×fxV�

,>\ýk²#T/Íâµ<

,×�ÛK·

L}��~-./þ�­4d/y�

[2-3]。

᫬��

2̄;W

:;W

1k�ÜNÝ<ðÛß�N

��æ

,;W

2k�ÜNÝ<ðÛß����æ

。2̄ðÛ

WDµ¸Nñ

1~ý

,=a/�K·L�Þ�æF(

,8Û

ã

、ÛôÙÛß

3���j

。ñ

1Ø�kÛß­ÛÚ·¸±

kN�/ðÛ

,Ù�kÛß­ÛÚôÂ�k

R1/��ST

@

1 ðTWõX>YVQYF7h+

Fig.1 Theskepticalmapofrightangleandfilletwatercellar

®K;W��ÅÖn³�Pîu���o5;W

,��

abcdef

,J.AnhuiAgric.Sci.2018,46(21):185-188,196    

Page 2: QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄ 20„Ø•LfiK[5 Solid95j~ŒŒ D‡g~vdjí⁄ðÛfiK/PîTŁo5;W[4],8“ ŽœµðÛµ ...

8�Ø�pµ[5

Plane825ÛK�êDUÂPî³

,̀Å}Aôí¤

20�Ø·L®K[5

Solid95j~�ê

D�g~vdjí¤ðÛ®K/PîT�o5;W

[4],8ª

��µðÛµ¸Ùàíïk5©®K

,~u

,�óMj5

1/4ÛKU·L�ó

。ß����æðÛPî³�Nñ

2~ý

@

2 QYðTZ[Õ

Fig.2 Meshingoffilletwatercellar

2 ðT\Î]ÎNì¤ã^_

ðÛ6?ó§&��j

2̄r&

(1)iíR/È-ðn�/r&

。ÏðÛ�ªÝDu

2

,?È-òn�

、ðÛ�iðM

,k?ó§&

。qM/È-

ðn�

,ðn���n1ïðä1_2RÍ�³'2

,A�

�n1ï<

(1)æï

[5]:

pw=γw×Hw (1)<È

,pwkðÛEÚ?ay�È-/ðn�n1

(kPa);γwkð/Y]

(9.81kN/m3);HwkÛKE?ay�±/ð

ä

(m)。(2)

ÏðÛ��ªÝDuÍ

,A?ó§&k)ír&

,%

/È-òn�r&

,¾FVr&Í

,8ªòKç�1·�

,3

,5ªjäòRé

,¾jä´µ¥ëjä å

,òKM¬Ô

¸�

,qMðÛ±ª6?ó/§B¸�

,6?ó/òn��

�n1/ñðÛ�òä1'XR'2

。òn���n1ï

<

(2)æï

[5]:

ps=KγsHs (2)<È

,pskðÛbÚ?ay�È-/òn�n1

(kPa);γskò/Y]

(16kN/m3);HskÛKbÚ?ay�±ò/�

ä

(m);Kkòn�ëé

,Kÿ­ðÛS�ò/EË��Ù1

¢���

,FVr&Í

,K≤1,8ª¾ðÛ��§VÈ

,ò-

.f�

,}yjäM�vk¬ÔA*

,k¿ª*wÉ=

,�

K=1。¾ÍD�./iíÙ)íp¬ªu2

2̄ðÛ6?ó

§Br&

3 QY¿>YÙÄÌÍ

k3HIðÛß�AôN�Ù��M/þ���¸&

óô�o5A��;W

,̀Å×f

,×fMÖnD{/�é

:ðÛYâ

20m3,×�ò_0n1

910kPa,×�ò_n

n1

7200kPa,×�ò�o0þ9

0.00015m,×�ò�o

nþ9

0.0033m,òKY]

16kN/m3,å1

T0.11m,æi

;&

2.2×107kPa,6¬H

0.2。  

iír&ÍN�Ù��/þ

1Oþ�

[6]¥ñNñ

3~ý

@

3 >YVQY`_Τèa

1ÙÄb@rÌ

Fig.3 Comparisonofthefirstprincipalstressbetweenrightangleandfilletcellarunderfullload

  �ñ

3�u(K

,N�ðÛiíM

,A62þ�k

77989kPa,µÈªÛß­ÛÚ/·¸±

;R��ðÛií

M

,A62þ�k

423.50kPa,�Ô��ª��Ú/2�

,�

»ðÛ���æ�MµÈ/2þ�úV�Ôp

。)íÙi

ír&Í

,��

(S1)、f�

(S2)ÙÕN�

(S3)62Oþ�N

\

1~ý

,AÈÊÿk0þ�

,�ÿknþ�

681           ${|>g}

                         2018�

Page 3: QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄ 20„Ø•LfiK[5 Solid95j~ŒŒ D‡g~vdjí⁄ðÛfiK/PîTŁo5;W[4],8“ ŽœµðÛµ ...

¨

1 \Î]Τè>YVQYÙÄ\¾zÈ

Table1 Maximumstressofrightangleandfilletwatercellarunderthemostunfavorableconditions

§&

Workingcondition

ðÛß��æ

Bottomdesignofwatercellar

S1maxkPa

S1minkPa

S2maxkPa

S2minkPa

S3maxkPa

S3minkPa

62y�

Maximumdisplacement

m)í N�

734.18 -422.21 21.71 -620.73 5.94 -2008.00 0.000064Noload

��

549.88 -377.17 58.50 -570.39 1.62 -1221.00 0.000063ií N�

779.88 -7.36 241.80 -38.71 156.47 -337.05 0.000026Fullyloaded

��

423.48 -166.28 188.37 -320.33 32.18 -378.21 0.000029

  ×�ò¿¾��k}�ai¿¾

,A*wi8

3̄Oþ

�È/62þ�.l

。8\

1�u(K

,Ïk)í§&M

ðÛß�k���æM-./620þ�

549.88kPa,Aÿ

VªN��æðÛ-./620þ�

734.18kPa;Ïkií

§&M

,���æðÛ-./620þ�

423.48kPa,Aÿ

/VªN��æðÛ-./620þ�

779.88kPa,¢pK

·3ÛKß����æ�u�æefþ�µÈ/r&

�\

1°�u(K

,)íM

,N�ðÛ-./62nþ�

2008.00kPa,��ðÛ-./62nþ�k

1221.00kPa;i

íMN�ðÛ-./62nþ�k

337.05kPa,��ðÛ-

./62nþ�k

378.21kPa,G��Vª×�ò�æ_n

n1

7200kPa。8q+ÿ

,óô×�òBk�Û¿¾

,�²

3nþ�/æÕ

,~u��'�1U

,×�ò>?,¤¥/

�Û¿¾

。®q0þ�vVªHô0þ�

,~u

,ðÛM;

8ª0þ�?jR×Ø

4 QR>S"ðTcdef[Õ

k3¾ijn1Ùë1n×/�÷Í

,úV¿¾ô&

+ ðÛjv

,uðÛ~È6 k�Ãáé

,uþ�Ù9µ

km9�÷

,uðÛ·L�Þ0§9&

,���T;W

4.1 WV[Õ!|

 ðÛ¿¾ô&�ïNÍ©<

(3)æï

V=Vout-Vin

=13π(2R-R1)R1(-3R+ (2R-R1)R槡 1)

+π(R-R1)2(H+ R2-(R-R1)槡

2) (3)

,VkÛçKâ

(m3);Rk���

(m);R1k���

�

(m);TkÛÚå1

(m);VoutkðÛ�Kâ

(m3);Vink

ðÛYâ

(m3)。NÝ@1

(H)�ï<

(4)æï

H=VinπR2-23R (4)

,HkðÛNÝ@1

(m)。uðÛ~È6 k�T�Ã

áé

,ó�Ãáé�ôÍ<\ý

MinW(R,R1,T)=VC (5)

,Ck�Û¿¾[È

(5

/m3)。ðÛ/Onm9�÷kþ��÷Ù9µ�÷

,qb

,k

3úû�Tyé

,��ò§V�§�÷`K0§9&/62

6V�ÿ#�

,óm9�÷NÍ

σs≤[σs] (6a)σP≤[σP] (6b)S≤[S] (6c)

R1L≤R1≤R1h (6d)TL≤T≤Th (6e)RL≤R≤Rh (6f)

,σskæï0þ�

(kPa);[σs]kHô0þ�

(kPa);[σp]kHônþ�

(kPa);Sk629µ&

(mm);[S]kè

H9µ&

(mm);R1k���

(mm);R1Lk6V���

(mm);R1hk62���

(mm);RkðÛ�ÜÂ�

(m);RLk6VðÛ�ÜÂ�

(m);Rhk62ðÛ�ÜÂ�

(m);TkðÛå1

(m);TLk6VðÛå1

(m);Thk62ðÛ

å1

(m)。�ò

《×�ò·L�æ²#

》C15×�ò�o�¼&?

Q~

0.0033m,R�o0n3&?Q~

0.00015m,ÛÚå

1

T/�T�ÿ#�ïu�;kðÛÛÚå1#��0k

6~20cm。��Â�

R/�T�ÿ#��0/ïuv;kð

Û9}

[7],n×k��ÛKYâü0

,R¾

0.2H~2.0H�

ÿ

,¾ÛYk

20、40Ù

60m3M

R�ÿ��k

1.0396~1.7605、1.3098~2.2181

Ù

1.4993~2.5391m,���

R1/�ÿk

1/8R~R。0§9&

:ÛÚå1

T、��Â�

RÙÛß��Â�

R1。�TxA

:ANSYS�TxA�[³ÐÂA

(singlerun)、ñ¨A

(randomdesigns)、Ò½A

(factorial)、6�H1A

(gradient)、

~âA

(DVSweeps)、½LMA

(subproblem)、F´�

T§ç

(firstorder)、ô �TïA

(useroptimizer)[8]。v�

TxAAô½LMA

(subproblem)5ÛK·Lrr�ÞU

�T

,½LMA,ïð[F³¼¾çyæïuÅM�æ9

&¾9T#�EXu{9

,5ª�ÃáéÙ¸�9&/6K

9TÇù�uôá§ç®·

。½LMA¬ª

ANSYS�T§

çÈ/­´xA

,,÷ô~�o9&

(̧�9&Ù�Ãáé

/éO

,5·Ld[/;Wd�.HIâ�/f

。ÀÁáx

AÅÖn¶0�É�æxz

(%ìq�æxz

)Ù62�Â

i�æxz/é�

,á®}MÞÁ��k

10Ù

7,/��ò

Ön'2�æxz/é�

,FVìq�æxzé�

30,62

�Âi�æxz

10GdijFV�Tn×

,%�.Ikâ

�/f

4.2 égæðTÎ�âðË[Õ²³

 j~

ANSYS�T

�K/·2»\

2。�\

2�T·2�u(K

,¾)ír&

Í

,Yâk

20、40、60m3ðÛ/620þ���k

895.18、883.80

Ù

884.99kPa;iír&Í

,Yâk

20、40、60m3ðÛ

/620þ���k

789.05、907.33Ù

874.32kPa。2̄§

,?aYð&ÛK-./620þ�ÿ#�k

789.05~

78146é

21ê

                   Ô�_

 Ø�I�l±�\µ8¸R2hz

Page 4: QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄ 20„Ø•LfiK[5 Solid95j~ŒŒ D‡g~vdjí⁄ðÛfiK/PîTŁo5;W[4],8“ ŽœµðÛµ ...

¨

2 Î�âÊðTo\Î]Τè)\[²³

Table2 Optimalresultsofdifferentvolumeswatercellarunderthemostunfavorableconditions

§&

Workingcondition

Volumem3

S1maxkPa

S1minkPa

S2maxkPa

S2minkPa

S3maxkPa

S3minkPa

62y�

Maximumdisplacementmm

Tm

Rm

R1m

Hm

¿¾ô&

Materialconsumptionm3

20 895.18 -682.32 126.24-1207.70 57.03 -1965.60 0.09 0.08 1.57 0.13 1.55 3.38Noload 40 883.80 -531.25 90.56 -818.33 2.27 -1889.50 0.12 0.11 1.80 0.17 2.73 7.18

60 884.99 -554.44 103.09 -889.45 4.88 -1774.90 0.14 0.14 1.93 0.25 3.83 12.03ií

20 789.05 -39.17 364.65 -234.27 38.83 -317.92 0.06 0.06 1.65 0.17 1.24 2.06Fully 40 907.33 -7.38 437.21 -165.20 49.51 -334.87 0.08 0.08 2.07 0.16 1.61 4.53loaded 60 874.32 -16.74 432.44 -243.02 51.02 -296.61 0.10 0.10 2.47 0.30 1.47 7.56

907.33kPa,vVª¿¾_0n1

910kPa;62nþ�ÿ#

7.38~1965.60kPa,��Vª¿¾_nn1

7200kPa,a

MÛKæï62y�ÿ�

0.00006m.

0.00014mGVª

¿¾�o0þ�ÿ

0.00015m,oq·Lijn1Ùë1

)íM¿¾ô&�ÛY

20m3/

3.38m3'X.

60m3

/

12.03m3;iíM¿¾ô&�

20m3/

2.06m3'X.

60m3/

7.56m3。¾)í?ó§&Í

,ðÛYâk

20、40Ù

60m3M

,ÛK

·L6�/rr�Þ��NÍ

:å1

T=0.08、0.11、0.14m;ðÛÂ�

R=1.57、1.80、1.93m;ß���Â�

R1=0.13、017、0.25m;

¿¾ô&��k

3.38、7.18Ù

12.03m3。¾i

í?ó§&Í

,ðÛYâk

20、40Ù

60m3M

,ÛK·L6�

/rr�Þ��NÍ

:å1

T=0.06、0.08、0.10m;ðÛÂ�

R=1.65、2.07、2.47m;ß���Â�

R1=0.17、0.16、0.30m;

¿¾ô&��k

2.06、4.53Ù

7.56m3。¾ñaÛY

Í

,)ír&Hiír&Í/¿¾ô&2

。~u

,N2ðÛ

��¾ÝDuÍ÷ôM

,2̄§&ï;K·

,þAô)íæï

·2

4.3 ÀgæðTÎ�âðË[Õ²³

 u2¾�óðÛ

M

,ÛK}��å1GFb

,RðÛ/-�¸&,2�V

,Í

�2

,oq¾ÛK2�þ�V/�yAôV/å1

,¾Í�

þ�2/�yAô2/å1

,MUF³�m¿¾ô&

,9å

1ÛK·LNñ

4~ý

ANSYS�T�ó·2»\

3。�\

3�u(K

,ðÛ2

��Üu¿Ûã��-�IV

,~u¢��å1

T1IV

,R

@

4ÀgæðT²XP@

Fig.4 Theskepticalmapofwallchangedcellar

Ûôß�-�I2

,¢��å1

T2I2

,Ûô��å1¾

T1.T2Þ\Mûi9T

。�\

2Ù\

3�u(K

,)ír

,9å1ðÛ­Jå1ðÛñH

,20、40Ù

60m3ðÛ¿

¾ô&��úû3

24%、28%Ù

46%;¾iír&Í

,¿¾ô

&9T?2

。oq¾ijn1*w/��ÍAôÛÚå1

³9­A-�2Vñ5þ,F¯�k?þ/ðÛ·L�æ

;<

,¢b÷ÛK}��È-þ�ï�

,��æÝÔf3ð

Û-�µÈLM

¨

3 ÀgæðToÎ�âÊ$)[Õ²³

Table3 Optimalresultsofdifferentvolumeswallchangedcellarunderthemostunfavorableconditions

§&

Workingcondition

Volumem3

S1maxkPa

S1minkPa

S2maxkPa

S2minkPa

S3maxkPa

S3minkPa

62y�

Maximumdisplacementmm

T1m

T2m

Rm

R1m

Hm

¿¾ô&

Materialconsumptionm3

20 887.18 -933.59 148.63-1750.80 21.63 -2199.60 0.11 0.05 0.09 1.64 0.14 1.26 2.71Noload 40 827.59 -718.75 96.44-1193.20 14.534 -1926.60 0.13 0.06 0.12 1.79 0.17 2.76 5.63

60 879.84-1253.20 157.61-2348.30 12.602-3077.00 0.14 0.05 0.17 2.30 0.26 2.01 8.23ií

20 738.28 -0.01 361.89 -142.17 30.29 -171.97 0.06 0.05 0.05 1.76 0.21 0.89 2.08Full 40 908.42 -3.75 341.53 -154.11 38.23 -260.60 0.09 0.05 0.08 2.17 0.20 1.25 4.56load 60 902.72 -7.37 412.79 -202.20 45.16 -265.28 0.001 0.08 0.09 2.45 0.26 1.54 7.64

(LMì

196í

881           ${|>g}

                         2018�

Page 5: QR>S ðTÙ U?6e89 · Aô 8„Ø’pµ[5 Plane825ÛKŒŒDU´Pî‡ ”,‘¯}Aôí⁄ 20„Ø•LfiK[5 Solid95j~ŒŒ D‡g~vdjí⁄ðÛfiK/PîTŁo5;W[4],8“ ŽœµðÛµ ...

Vk�÷UÂ(�±?

,�.Zûi²³m9;W

[11]NÍ

maxF=A-V

s.t.35r/min≤X1≤65r/min

5°≤X2≤35°{{ (6)

óô

MatlabÈZûi�T

fminconáé

,�T±?·2

:%¯Ìgv

41.70r/min,�¯�

19.2°。¾q�÷ÍU

ÂÐÉ}6|}

,|}\ÿ%¯�¸î¶ék

94.88%,9$

ëék

12.17%。3 

²É

(1)uÞ¹�Ì$<2G%¯�k«¬íK

,5A¦¯

¨?U«¬�ó>��¦¯~VÐ�';W

,�ó�K3

%¯ÌgvÙ¦¯�,^_¦¯id/Onop

(2)Ðô

EDEMBÊi%¯)*|}

,AôhyjkÊ

i�g�¸|}�æxA��3¸î¶éÙ9$ëé/j

kxV

。Ðô

Matlab�l

27É_¶Ã/Jÿûñ

,�.3

|}op5}¶Ã/^_ù�>�03^_¸î¶éÙ9

$ëé/Onop

(3)�03áW%¯�/6ɧB�é�¸

,Ï%¯Ì

gvk

41.70r/minM

,¦¯�k

19.2°,%¯J0iÙï�

i6�

,qM%¯�¸î¶ék

94.88%,9$ëék

12.17%。��DE

[1]z!"

,bH%

,z%q

,}

.(#N²ËbÕ�$EAô¶+

[J].�

*æÖC�

,2012,43(S1):54-58,89.[2]

zÙÌ

,ín�

.Nú,5æ�²ËbÕ�å�åæãÖ�:;

[J].¤CÁð5Æ!

,2011,11(33):8299-8302.[3]

z7%

,<�

,z7�

,}

.&'N^ó²×bÕ�ÚÕ()é*樸

G5Aô

[J].�*æÖC�

,2017,48(1):29-37,46.[4]

¿J

,x%ë

,Df

,}

.Nú

EDEMk2�(+½Æ,NbÕ�-Õ

å�Ë.5ô�

[J].�*Æ!C�

,2015,31(3):62-69.[5]

nSs

,x/#

,nS�

,}

.Nú

EDEM�¼/NbÕ�bÕå�Ö

5Ë.

[J].�*æÖC�

,2014,45(2):109-114.[6]

�H0

,/v�

,¡0

,}

.1#2NbÕ�-Õå�¼3È4C

[J].�*æÖC�

,2014,45(2):94-98.[7]

x�

,̀�

,¦5X

,}

.Nú¼3È�bÕ�bÕu�^óÕ!éY

UM

[J].�*Æ!C�

,2016,32(22):27-35.[8]

`}6

,¦5X

,̀�

,}

.Nú¼3È�(#NbÕ�Æ#7Ö4C

¶+

[J].�*æÖC�

,2016,47(7):65-72.[9]GAOGH,FENGTX,YANGH,etal.Developmentandoptimizationofendeffectorforextractionofpottedanthuriumseedlingsduringtransplanting[J].Appliedengineeringinagriculture,2016,32(1):37-46.

[10]TAVAREZFA,PLESHAME.Discreteelementmethodformodellingsolidandparticulatematerials[J].Internationaljournalfornumericalmethodsinengineering,2007,70(4):379-404.

[11]89�

,x�¾

,í:

,}

.;ÚV<Ò,,<ÛN^óbÕ�IÏ5

[J].�*æÖC�

,2018,49(1):68-76.檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪(»ëì

188í

5 ²ÉVíÉ

(1)óô�o5�óxA5�ÜNÝ<ðÛ/

2̄µ<

(ß�AôN�Ù��

)/·L�óB·

,ÏNÝß�Aô�

�M

,þ���ùªï�

,AôN�M

,ß�þ�µÈ·'ÿ

!

,R6¾)íÙií

2̄r&Í

,Aô��/62þ��

�VªAôN�/62þ�

(2)5Yð&k

20、40、60m3/�ÜNÝ<ß�k��

/ðÛUÂ3Jå1Ù9å1

2̄·L/�Þ�T�æ

uðÛ~È6 k�Ãáé

,uHôþ�Ù9µ&km9�

÷

,uðÛå1

、��Â�Ù�ÜÂ�k0§9&

,��3�

T;W

,>óô

ANSYSö÷×f

,�.?aYð&

、?a§

&ÍðÛ�T�Þ

,á�Þ5ðÛ��ç�®ôÈÿ

(3)�þ�æï·2(K

,ðÛHô0þ�,.l�÷

Ïij0þ�n×M

,®qÈ-/nþ���VªHônþ

。8q+ÿ

,óô×�òBk�Û¿¾

,�²3nþ�/

æÕ

,��'�1É=

,×�ò>?,?þ/�Û¿¾

,~u

��npBC¿¾ðÛ

(4)᫬¾��

ANSYS�T;W~VÈ

,óô

APDL*Dé?lVx

,óô

GUIDé0l��TPD

,®q25

ANSYSUÂ3hypB

,ÖnD{/òÛ�é

、¿¾�é�

�òÖn{9

。~u

,áæïxAç�jôi

,/�ôªC

¿¾ðÛ/pB

��DE

[1]Í©w

,í=�

,b&�

,}

.à?�í³´/>�:;

[J]./í�ð

C�

,2004,18(2):58-62.[2]

z?�

.̧@,Èv

[M].[\

:KdBC®¯°

,2003:98-160.[3]

z�B

.AB��ÆNCD¸b/EFGvµ¸G

[J].$eHH

,2007,33(26):315-316.

[4]QÈd

,IµH

,x�

,}

.ANSYS�.Æ!v:��¸G5ÇJj6

[M].[\

:�âÆ*®¯°

,2006:285-299.[5]

ÀªÌ

,]çg

./í�ðÆ!C

[M].eÝ

:KeÅB®¯°

,1998:29-39.

[6]*^r

,PL6

,ÉMN

.Æ!µC

[M].[\

:�}OÔ®¯°

,1989:273-301.

[7]Pà¤

,QmR

,ÍÃÿ

,}

.�í³´/S>IÏ7Ö5PÆÁð:

;

[J]./í�ðÈ�

,2001,21(3):14-19.[8]

ÎT�#u

.APDL7Ö+¸@ȸGÁðklv:��

[M].[\

:>?/Õ/�®¯°

,2004:178-217.

檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿

檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿

殨殨殨

�>Û�

  õC

H¶é

:¶áÆ+¾GæÏP?�/\ÖÈ

,Öû�

h,\Ö/?�Ïy? ª

hy

Q×Ö<&

:¶Q×Æ+¾GæÏPB\/w�\Öé

,=a,GæÆ+�ôéò/Q×

Ö<ÀK=

:ïGæ×/À�òóÀK/Ö<é­Æ+/B\Ö<éÞH

�ÉÖ<&

:¶Q×Æ+\Ö~�ô/w��ÉÖ<é

,,%&áÆ+´'i]V1Ùäâb�@Ád�/F7¶Ã

îï�Öé

:¶Q×Æ+çF,\Öîï�ô/�ÉÖ<é

îïBÁé

:¶Q×Æ+çF,\Öîïk�/BÁé

,,%&áÆ+´'d4d�/F7¶Ã

ݨ��é

:¶Q×Æ+¢í\Ö~�¿/ݨé

,ïw.

317+Sæ

(?ö÷-.�

)。¢,%&Æ+\Ö}ÛDÙ

w.^_�2V/F7¶Ã

691           ${|>g}

                         2018�