138

BHeUIHHMH CHJIOBblMH l>aicropaMH, Bb13blBaIO~HMH TaKOH H3rH6, Moryr JIBJll!TbCJI co. cpeAOToqeHHble CHJibl, MOMeHTbl H pacnpe.l{eJieHHble HarpYJKH c KyCOqHO-JlHHeHHbIM 113-MeHeHHeM HHTeHCHBHOCTH. IlpH pemeHHH 3a,l{aqH HMO yqeCTb co6CTseHHblH sec 6aJJKH.

Puc.3.5, a

CxeMa KOHCTpYKllHH DOK83aHa 1111. pHC. 3.5 a. IlpllMOH nonepeqHbJH H3rH6 3,!{CCJ..

oc~eCTBJllleTCJI B DJJOCKOCTH Oxy. 311,!Ul'IY pemaeM s CHCTeMe CH.

JipHMeM;

a= 2M; q = 2104 H/M; M=2104 HM; F=3104 H; E = 210 11 HI M2 ;

A=2,8910-3 Ml; Jzz =2,0310-5 M4 ; h =0,2 M. lliOTHOCTb MaTepHana 6aJJKH p = 7800 Kz/ M3 . TeKCT nporpaMMbl, npe,l{H83HaqeHHOH AJlll pemeHHll .l{aHHOH Ja,l{aqH s naKeTHOM pe)l(HMe;

nOK83aH Hff)l(e (s OCHOBY TeKCTa noJJO)l(eH sapHaHT, cocrasneHHblH A. B. Hace,l{KHHblM [16]). 0rMeTHM, qTQ DO,l{XO,l{ll~HM KOHeqHbJM 3JleMeHTOM ,l{Jlll 3a,l{aq DJJOCKOro H3rH6a JIBJlllerc.

6anoqHblH JJJeMeHT THna BEAM3. ,lJI noro 3JleMeHTa CHJibl F cqHTaIOTCll nonolKHTeJJbHblMll, CCJJH HX HanpaBJJeHHll COBna,l{aIOT c DOJlOlKHTeJJbHblM HanpaBJJeHHeM OCH Oy. Hao6opoT, pac-npe.l{eJieHHble HarpYJKH q cqHTaIOTCJI DOJJO)l(HTeJlbHbIMH, CCJJH HX HanpasneHHll DpoTHBODO-JlOlKHbl HanpaBJJeHHIO +y. HaKoHeu, MOMeHTbl M = M z nonOlKHTeJibHbl npH HanpaBJJeHHU

e~eHHll npoTHe qacosou CTpeJJKH. CTeneHllMH cso60Abl BEAM3 J1BJJJ1IOTCJ1 Y3JlOBble nepeMe~eHHll UX, UY H yron nosopora

R01Z. liaJJKy Heo6xo.l{HMO pa36HsaTh Ha KOHeqHble 3JleMeHTbl BEAM3 TaK, qTo6bl s npeAeJiax xa-

JKAOro 3JleMeHTa 6blJIH DOCTOJIHHblMH H3rH6Hble lKeCTKOCTH EJ zz ' pacnpe.l{eJieHHble HarpYJICll MeHJIJlHCb 6bl JlHHeHHO HJIH 6blJlH DOCTOJIHHblMH, a BffYTPH 3JleMeHTOB He HaxO,l{HJIHCb 6bl ono-pbl H TOqKH DpHJIOlKeHHll aKTHBHblX CHJI H MOMeHTOB. .

HHJKe npHBOAffTCJI TeKCT nporpaMMbl AJlll pa6oTbl s naKeTHOM pelKHMe:

/batch ! naKeTHblH pelKHM /batch /title, bending of the beam /prep7 ! BXOAHM s npenpoueccop /prep7 /show,beam,grph ! B pelKHMe /batch 3a.l{aeM BblBO,!{ rpal>HKH B l>affJ1 beam.grph et, l ,beam3 ! JJJeMeHTbl c TYPE = I - 6anoqHble K3 BEAM3 keyopt, 1,9,9 ! keyopt(9) = 9 ,l{Jlll beam3 - BbIBO,!{ B 9-H npoMeJKyTOqHblJ{ TQqKax r, l ,2.89e-3,2.03e-5,0.2

mp,ex,l,2el 1 mp,nuxy, l ,0.3

mp,dens,l,7800 n_el= 3 abeam=2 n,l n,2,abeam

! real const. THna real= l : (AByYasp N 20a) ! DJJOllUW> nonepeqHOro ceqeHHllAREA = 2,8910-3 M2 ' ! MOMeHTHHepUHH/ZZ= 2,0310-5 M4 , ! BblcOTaHEIGHT= 0,2 M ! AJlll MaTepHana I MO,l{yJJb IOHra EX = 2 10 11 H / M 2 ! AJlll MaTepHana I KOJ4'. IIyaccoHa NUXY = 0,3 ! DJJOTHOCTh MaTepHana I DENS = 7800 Kz/ M3 ! BBO,!{HM napaMeTp ,l{Jlll KOJJHqecTBa 3JleMeHTOB ! abeam - napaMeyp MHHbl nepsoro nponeTa 6anKH ( 200 CM ) ! onpe,!{eJIJleM }'3Jlbl no KOOp.l{HHaTaM

JlpaKTHqecKoe npHMeHeHHe MeTO,!{a KOHeqHblX 3JleMeHTOB 139

n,3,2*abeam n,4,3*abeam e,l,2 e,2,3 e,3,4 save finish

/solu antype,static

d,l,uy

d,4,ux

d,4,uy

d,4,rotz sfbeam, l ,,pres,2e4

f,2,mz,-2e4

f,3,fy,3e4

acel,0,9.8,0

allsel,all solve finish

/post! set,l,l prrsol /pbc,u,,l /pbc,f,,l /pbc,cp,,l /pbc,m,,l /psf,pres,norm, l /pnum,node, l eplot /pnum,node,O /pnum,elem, l /number,!

eplot

! onpeAeJIJleM JJJeMeHTbl beam3 c Y3JlaMH I H 2, ! 2H~ ! 3H4 ! coxpaHeHHe pe3YllbTaTOB nocrpoeHHJI MO.l{eJJH H CeTKH ! BbIXOA H3 npenpoueccopa ! ! BXO,!{HM B pemaTeJlb /solution ! CTaTHqecKHH THO aHaJJHJa ! *** Ja,l{aeM ycJJOBHll 3aKpenJJeHHll ! Uy = 0 s }'3Jle I (mapHHpHo-nOASHlKH8JI onopa) ! u X = 0 B }'3Jle 4 (lKeCTK8JI Ja,l{eJIKa) ' u y = 0 B }'3Jle 4 (lKeCTK8JI Ja,l{eJIKa)

ROTZ = 0 s }'3Jle 4 (JKeCTK8JI JMeJJKa) 3a,l{aeM DOCTOJIHHyIO pacnpe.l{eJieHHyIO HarpYJKy Ha JJJeMeHTe I PRES= 2104 H / M (nonoJKHTeJJbHblM 1uaqeHHeM PRES cqHTaeTCJI HanpaBJJeHHe npoTHB OCH + y)

Ja,l{aeM MOMeHT MZ = - 2 1 o4 H . M B }'3Jle 2 (nOJJOlKHTeJlbHblM cqHTaeTCJI mz, HanpaBJJeHHblH npOTHB qacosou CTpeJIKH) 3MaHue CHJI Fy HJIH Fx (ecnH OHH .l{eHCTBYIOT) npoBOAHTCJI auanornqHo c 38Meuoli Mz Ha Fy HJIH Fx (cHJia Fy noJJOlKHTeJibHa,

! ecnu HanpaBJJeHa no OCH +y, T. e. Hao6opOT, no cpasHeHHIO c PRES) ! 3a,l{aeM CHJIY FY= 3 . 104 H. npHJioJKeHHyIO B }'3Jle 3 ! JMaeM ycKopeHue CHJibl TlllKecTH ( g = 9 ,8 MI c2 ), ! ,!{eHCTByIO~ee Ha BCIO KOHCTpYICllHIO ! Bbl,l{eJJeHHe BCeH KOHCTpYKllHH nepe.1{ uaqanoM pacqera ! pemaeM CllAY MK3 ! Bb!XOA HJ npoueccopa pemeHHll ! ! exoAHM s nocmpoueccop POSTJ ! cqHTblBaeM ,!{aHHble 0 peUieHHH ! neqaTaeM onopHble peaKUHH ! DOK83b!BaeM ycJJOBHJI 38KpeDJJeHHll ! noK83blB8eM CHJibl ! noK83blB8eM CBJl3aHHble CTeneHH CBoOO,l{bl ! DOK83blBaeM MOMeHTbl ! nOK83blBaeM pacnpe.l{eJieHHble HarpYJKH ! HYMepyeM Y3Jlbl npH rpat>uqecKoM noKaJe ! uapHCOBaTh 3JleMeHTbl ! He ffYMepyeM }'3Jlbl npH rpal>HqecKOM DOK83e ! ffYMepoBaTh 3JleMeHTbl ! 3aHYMeposaHHble 3JlTbl noK83blB8Th p83JlHqHblM ! UBeTOM, HO 6e3 HYMepaUHH ! uapHCOBaTh 3JleMeHTbl ! ,!{anee CJle,l{yeT BblBO,!{ nepepe3b1B8IO~HX CHJI, H3rH6aIO~X ! MOMeHTOB ypaeHeHHll H30rHyYOH OCH 6aJJKH H H3rH6HblX ! HanplllKeHHH B 11 p8BHOOTCTOJl~HX TOqKax K8lK,l{Oro 3JleMeHTa

I~ 140

'.\~ qacn.2 i

-----------------------------------..::1 dim,x coord,array,n eill *dim,ij,array,n_ eJ TI dim,m_z,array,n_el* l l *dim,u_y,array,n_el*l l *dim,sigma,array,n_el*l l /output,beam,res prrsol /com, /nopr *vwrite

! MaCCHB ,ll.JlJI X-KOOp,!IHHaT ! MaCCHB ,[IJIJI nepepe3bIBalOUIHX CHJl ! MaCCHB ,[IJJJI H3rH6a10II.1HX MOMeHTOB ! MaCCHB ,[IJJJI npom6oe 6aJJKH ! MaCCHB ,ll.JlJI HJTH6HblX Hanpl!lKeHHH ! Ja,[laeM TeKCTOBblH Bb!BO,[I B

142

plvar,5 finish /exit ! OKOHqaHHe pa6oTbl nporpaMMbl

qacn.2

PeJyJI&TaTOM eblnonHeHHJI nporpaMMbl llBJIJllOTCll TeKCTOBblH cpaiiJI beam.res H rpacpuqe. CKHH cpaiiJI beam.grph.

B TeKCTOBOM cpaiiJie beam.res CO,lleplKaTCJI ,llaHHble o6 onopHblX peaKUHllX H qHcJieHHLIX 3HaqeHHllX ,llJill ecex qeTblpeX 3Il10p BMecTe c HX MaKCHMYMaMH H MHHHMYMaMH. Cl>parMeRT pacneqaTKH cpaiiJia beam.res npueo,11HTCJ1 HHlKe:

PRINT REACTION SOLUTIONS PER NODE ANSYS ENGINEERING ANALYSIS SYSTEM RELEASE 5.6 AN SYS/ED 00000000 VERSION= INTEL NT 00:11:38 AUG 29, 2002 CP = 28.890 bending of the beam POSTl TOTAL REACTION SOLUTION LISTING THE FOLLOWING X,Y,Z SOLUTIONS ARE IN GLOBAL COORDINATES

NODE FX FY MZ 1 21793. 4 0.0000 -10468. 6783.7

TOTAL VALUES VALUE 0.0000 11325. 6783.7

x qy Mz uy S_yy

element n = 1. 0.0 0.2179E+05 0.2728E-11 O.OOOOE+OO -.1344E-07 0.2 0.1775E+05 0.3954E+04 -.8363E-03 -.1948E+08 0.4 0.1370E+05 0.7100E+04 -.1603E-02 -.3497E+08 0.6 0.9661E+04 0.9436E+04 -.2297E-02 -.4648E+08 0.8 0.5617E+04 0.1096E+05 -.2916E-02 -.5401E+08 1.0 0.1572E+04 0.1168E+05 -.3455E-02 -.5755E+08 1.2 -.2472E+04 0.1159E+05 -.3913E-02 -.5711E+08 1.4 -.6516E+04 0.1069E+05 -.4286E-02 -.5268E+08 1.6 -.1056E+05 0.8987E+04 -.4570E-02 -.4427E+08 1.8 -.1460E+05 0.6470E+04 -.4764E-02 -.3187E+08 2.0 -.1865E+05 0.3145E+04 -.4863E-02 -.1549E+08

element n = 2. 2.0 -.1865E+05 0.2314E+05 -.4863E-02 -.1140E+09 2.2 -.1869E+05 0.1941E+05 -.4806E-02 -.9562E+08 2.4 -.1874E+05 0.1567E+05 -.4557E-02 -.7718E+08 2.6 -.1878E+05 0.1192E+05 -.4154E-02 -.5870E+08 2.8 -.1883E+05 0.8155E+04 -.3634E-02 -.4017E+08 3.0 -.1887E+05 0.4386E+04 -.3033E-02 -.2161E+08 3.2 -.1891E+05 0.6076E+03 -.2390E-02 -.2993E+07 3.4 -.1896E+05 -.3179E+04 -.1741E-02 0.1566E+08 3.6 -.1900E+05 -.6975E+04 -.1124E-02 0.3436E+08 3.8 -.1905E+05 -.1078E+05 -.5751E-03 0.5310E+08 4.0 -.1909E+05 -.1459E+05 -.1323E-03 0.7189E+08

element n = 3. 4.0 0.1091E+05 -.1459E+05 -.1323E-03 0.7189E+08 4.2 0.1087E+05 -.1242E+05 0.1772E-03 0.6116E+08 4.4 0.1082E+05 -.1025E+05 0.3647E-03 0.5048E+08 4.6 0.1078E+05 -.8088E+04 0.4512E-03 0.3984E+08 4.8 0.1073E+05 -.5937E+04 0.4579E-03 0.2925E+08 5.0 0.1069E+05 -.3795E+04 0.4057E-03 0.1869E+08

J1paKTHqecKoe npHMeHCHHe MeTO,lla KOHeqHblX JJieMeHTOB

5.2 0.1064E+05 -.166JE+04 0.3158E-03 0.8184E+07 5.4 0.1060E+05 0.4632E+03 0.2092-03 -.2282E+07 5.6 0.1056E+05 0.2579E+04 0.1070E-03 -.1270E+08 5.8 0.1051E+05 0.4686E+04 0.3027E-04 -.2308E+08 6.0 0.1047E+05 0.6784E+04 O.OOOOE+OO -.3342+08

143

3n10pb1 nepepe3b1BalOlllHX CHJI (sh force qy), HJru6aJOlllHX MOMeHTOB (bend mom m_z), nporn6oe (displ uy) u H3rH6alOlllHX HanplllKeHHH (bend str sy) noKaJaHbl Ha pHc. 3.5 6.

(,UU1J huu.1H

f uu .. nt 0

r Sff.Ut

c e tU.Ul

uu.n' q

y HU.HI.

\ \

\ I\

\ \

' x-coordinate

v -.........._

b (xlfUJ.) e UU.IU

n

d 11U.11't

0

..

..

Ul.tU

... .,.

Tlt.)H

:z. un.au

b

n

I /

\

" \

\ \ / ~ \ v I \I/

I

\ I d ._ .. , d tt1.n1 +----1--+--+--+-+--~--i i a -1.n

\ I . p t l _,_,,. \

I

""'

I u .,,,.. U'f.Ot

y -y UH.6U -t.au

t I t 1 t , I

bending of the ~ecaordinate x-coo,rdinate 1

Puc.3.5, 6 MolKHO npe.llJIOlKHTh H ,11pyroii eu,11 nocmponeccopHoii o6pa6oTKH pe3yJI&Taroe pacqern:

BMeCTo nOCTpoeHHJI rpacpHKOB, KaK Ha puc. 3.5 6, CTpoHTb 3Ill0pb1 COOTBeTCTByJOlllHX BeJiffqHH c 0003HaqeHHCM UBeTOM ,llHanaJOHa paccMaYpueaeMOH BeJIHqHHbl. 3ToT MeTO,ll HarJIJl.llHee, HO tpe6yeT 6onee MeJIKOH CeTKH 3JieMeHTOB. Ha TOH CeTKe, KOTOpall npe,11CTaBJieHa B paccMaYpH BaeMOH 3a,11aqe, OH OKaJaJICJI MeHee TOqffblM.

Cl>parMeHT nporpaMMbl ,llJill peanHJaUHH nOCTpoeHHJI Jn10p npH nocmpoueccopHoii o6pa-6oTKe pe3yJI&Taroe npHBO,llHTCll HHlKe.

/postl

set, first pldisp,l

etable,qyi,smisc,2

etable,qyj,smisc,62

plls,qyi,qyj,-3 etable,mzi,smisc,6

! exo,11HM e nOCTnpoueccop POSTJ ! IlOKaJ ,11ecpopMHpoBaHHOH cpopMbl 6aJIKH

! IlOCTpoeHHe Jn10pb1 nonepeqHblX CHJI ! Ta6JIHUa 3HaqeHHH nonepeqHOH CHJ!bl B Y3J1e i ! (npHCBoeHO qy1) ! Ta6JIHUa 3HaqeHHH nonepeqHoH CHJ!bl B Y3J1ej ! (npHCBOeHO qyj) ! rpaqmqecKHH BblBO,ll ! IlOCTpOeHHe 3Ill0pb1 H3rH6a10ll1HX MOMeHTOB

144

etable,mziil l ,smisc, 12 etable,mziil2,smisc, l 8 etable,mziil3,smisc,24 etable,mziil4,smisc,30 etable,mziil5,smisc,36 etable,mziil6,smisc,42 etable,mzii17,smisc,48 etable,mziil8,smisc,54 etable,mziil9,smisc,60 etable,mzj,smisc,66 plls,mzi,mzj,3 etable,szi,ls,2

etable,szj,ls,32 plls,szi,szj,3 finish

! noCTpOeHHe 3nl0pb1 H3m6at0mux HanpJDKeHHH !.Ha sepXH. nosepXHOCTH 6anKH

/exit ! oKoHqaHHe pa6on,;i nporpaMMbl B pe3yJJ&TaTe pa6oTbl nporpaMMbl B cl>aiine beam.grph 6yJlYT COJlepl!CaT&CJI qeTblpe pucyu-

Ka: )lecl>opMHpoBaHHall H HCJlecl>opMHpoBaHHall cl>opMbl 6anKH (puc. 3.5 B), 3nt0pa nonepeqHblX CHJl (puc. 3.5 z), 3n10pa H3ru6at0mux MOMCHTOB (puc. 3.5 0) H 3n10pa H3rH6alOmHX HanpJDKe-HHH (puc. 3.5 e).

Puc.3.5, s

Puc.3.5, iJ

NtiYS S.l!: AW 10 ~'6~~

Oli0'6~l0 Pl.b't ~. l OiSfi.M."t>SCtr BtEt*1 Sl'Jt 1 'tHfto-t ti$'f!*O mK ~OOH~)

OfCll. .. ~l.6*:9 :v .. ] OiSl'*l.l "' > Yr -.H:

:~i~

ANS'i$ !-.Ii AOO SO 21JOZ oi:o41n f'LOT NO. j: :.tMB $fJt!lfS

S'?E~.,l SIJB; "'l T!Mte.-1 MZ:I MZJ MlN ~143.94

El.SM"'~ MAX ..,zs14!. 1u.J;M .. i:

109-4 -10401

~.;.;JG~ -z~u :n19 ie.~n~ 1DM$ l.flt;.8. U'~~2 2~H~~

;, x

Puc.3.5, z

Puc.3.5, e

AAHS ~.'6 Wtl 30 ;:;oo~ Ql1061SO t't.M' h\), 2 L-1S 9'1'P.Ji5$ STIP-1 SC!l "'l 'r'IME"'l Q-Yl ~O II :~~::::

KaK YJKe OTMeqanocb BblWe, onucaHHblH MeTOJl nOCTpOeHHJI 3n10p HMeeT cymeCTBeHHblii HC)lOCTaTOK: 3nl0pb1 H3rH6at0mux MOMCHTOB Ha yqaCTKax c nOCTOJIHHOH pacnpe)leJJCHHOH Hll-

145

rpY3KOH 0Ka3b1BalOTCJI JlHHeHHblMH, XOTJI H3BecTHO, qTO OHH )lOJIJKHbl 6b1Tb npe)lCTaBJJCHbl l(sa)lpaTHqHblMH napa6onaMH. 3To o6'bliCHlleTCll TeM, qTQ rpacl>uqecKoe nOCTpoeHHe 3nl0p B 11aHHOH nporpaMMe onupaeTcll Ha KOMaHJly (plls] nocmpoueccopa /POST/. ::ha KoMaH)la Jleii-CTJIHTellbHO npe)lHaJHaqeHa JlJlll rpacl>uqecKoro noKaJa 3a)laHHblX xapaKTepHCTHK B BHJle 3nt0p, HO rpacl>HKH 3THX xapaKTepuCTHK no KOMaH)le (plls] JlHHeHHbl B npe.nenax O)lHOro KOHeqHoro :JJ!eMCHTa H CTpOJITCll no 3HaqeHHJIM xapaKTepHCTHK Ha KOHUax 3JJeMeHTOB. KpoMe Toro, uc-noJJb30BaHHe onu.uu KEYOPT(9) = 9 )lJlJl 3JleMeHTOB BEAM3 npu nocTpoeHHH 3nt0p no KOMaH-11e [plls] He ,naeT YTOqHeHHJI cl>oPMbl 3n!Opbl, T. K. JlJlll KOMaH)lbl (plls] HeT )lOCTyila K )laHHblM B 11esJ1TH npoMeJKYTOqHblX TOqKax, yCTaHaBJJusaeMblX no onuHu KEYOPT(9) = 9.

3.1.3. Onpeii.eneHue peaKUHii onop H ycwrnii B CTep)l(JUIX nnocKoii ct>epMbI Tpe6yeTCJ1 onpeJleJJHTb onopHble peaKUHH H ycHJJHll B CTeplKHllx ePMbl, noKa3aHHOH Ha puc. 3.6 a. McxO)lHble JlaHHble: a = 2 M ; P1 = IO Kil; P2 = 20 Kil.

Ax 0 el n2 e2 n3 e3 n4 X 20Klf

Puc. 3.6

OmeceM cl>epMy K )leKapTOBOH CHCTeMe KOOp)lHHaT Oxy (puc. 3.6. 6) H paccquraeM KOOp-mmaTbl ee Y3JlOB nl, ... , n7 (B M): nl - (O;O), n2- (2;0), n3 - (4;0), n4 - (6;0), n5 -(4; 2/ ./3), n6- (2;4/ ./3). n7 - (0;6/ ./3).

KaK H3BeCTHO, cl>epMa - 3TO KOHCTpYKllHll, COCTOJIIUall H3 CTeplKHCH, COO)lHHeHHblX Mell(Jly co6oii wapHHpaMH (Y3JlaMH cl>ePMbl). IlOCKOJlbKY CHJlbl, )leHCTBytOmue Ha cl>epMy, npHJJaratOTCJI B wapHHpax, TO BCe CTeplKHH cl>epMbl HCnblTblBalOT TOJlbKO ocesble ycHJJHll paCTJDKeHHJI (Cl!Ca-THll). Cne)loBaTen&Ho, noJlXO.!VlmHMH KoHeqHblMH 3JJeMeHTaMH JlJlll cTeplKHeii cl>epM llBJJlllOTCll CTeplKHeBble 3JleMeHTbl LINK/ (B cnyqae IlJJOCKHX ct>epM) u LINKS (a cnyqae npoCTpaHCTBeH HblX cl>epM). Tor)la Y3Jlbl KOHeqHo-3JleMeHTHOH MO)leJJH 6YJlYT COBUa)laTb c Y3JlaMH cl>epMbl, a KaJK,l.lblH CTeplKCHb ePMbl 6yJleT OT)lCJibHblM 3JleMeHTOM MO)leJJH.

,l:laHHytO 3l1Jlaqy MOlKHO pewaTh MeTO)laMu TeOpeTuqecKOH MeXaHHKH H TOr)la He cymeCT-BCHHbl HHKaKHe onpeJleJJJ110mue napaMeTpbl CTepl!CHeii, KpoMe 1tx JlJJHH. 0JlHaKO JlJlll MK3 3JJeMeHTbl LINK/ (HJJH LINKS) Tpe6yt0T 3llJlaTb CBOHCTBO MaTepHana (MOJlYJlb IOHra EX) u KOHCTaHTY 3JJeMeHTa (IlllOIJUi.llb nonepeqHoro ceqeHHJI AREA). IlpHMeM npoH3BOJJbHO, qTQ JlJlll Bcex CTeplKHCH cl>epMbl EX = 2. J 011 (HIM\ AREA = J. J o-4 (M2). 0)lHaKO OTMeTHM, qTO 8 paccMaTpHBaeMOH CTarnqecKH onpe)leJJHMOH 3a)laqe 3HaqeHHJI 3THX napaMeTpOB He 6y):IYT BJlHJITb Ha HTOfOBble HCKOMble BeJJHqHHbl.

Hul!Ce npHBOJlHTCll JJHCTHHr nporpaMMbl, npe)lHa3HaqeHHOii Jlll1! peweHHJI onucaHHOH Ja )laqu B naKeTHOM pelKHMe /BATCH.

/batch /com, ! cl>aiin plate girder /com, ! onpe)leJJeHHe peaKUHH onop H ycHJJHH B CTeplKHllx IlJJOCKOH cl>epMbl /prep? /show,girder,grph /title,plate girder et,l,linkl r,l,le-4

! sxo.n B npenpoueccop ! Bblso.n rpacl>uKH B cneuuan&HblH cl>aiin girder.grph ! 3a,zurnue 3lll"OJJOBKa plate girder ! Bb16op rnna K3 (CTeplKHeBOii K3 linkl) u npucsoeHue eMy HoMepa 1 ! npou3BOJJ&Ho HaJHaqeHHall IlllOmaJlb nonepeqHoro ceqeHHJI

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