分析實(shí)例及其在工程中的應(yīng)用精華

1、ADAMS應(yīng)用實(shí)例-精華經(jīng)典1第一章31.1!1.1 鉸接桿在外力作用下的變形31.2!1.2 人字形屋架的靜力分析41.3!1.3 超靜定拉壓桿的反力計(jì)算51.4!1.4 平行桿件與剛性梁連接的熱應(yīng)力問題71.5端部有間隙的桿的熱膨脹82第二章102.1!2.1 等截面簡(jiǎn)單超靜定梁的平面彎曲分析(單元多)102.2!2.2 工字形截面外伸梁的平面彎曲112.3!2.3 矩形截面梁的縱橫彎曲分析132.4!2.4 懸臂梁的雙向彎曲152.5!2.5 圓形截面懸臂桿的彎扭組合變形242.6!2.6 懸臂等強(qiáng)度梁的彎曲262.7!2.7 彈性地基半無限長(zhǎng)梁在端部力和力偶作用下的變形292.8!2.

2、8 偏心受壓桿的大變形分析303第三章313.1!3.1 利用梁?jiǎn)卧?jì)算壓桿穩(wěn)定性313.2!3.2 利用實(shí)體單元計(jì)算壓桿穩(wěn)定性333.3!3.3 懸臂壓桿的過曲屈分析343.4!3.4 平面剛架的平面外失穩(wěn)384第四章424.1!4.1 均布荷載作用下深梁的變形和應(yīng)力(直接建模)424.2!4.1 均布荷載作用下深梁的變形和應(yīng)力(實(shí)體建模)434.3!4.2 一對(duì)集中力作用下的圓環(huán)444.4!4.2 一對(duì)集中力作用下的圓環(huán)(實(shí)體建模)454.5!4.3 用實(shí)體單元分析變截面桿的拉伸464.6!4.4 用二維實(shí)體單元分析等截面懸臂梁的平面彎曲484.7!4.5 變截面懸臂梁在端部集中力作用下的

3、平面靜力分析504.8!4.6 純彎曲懸臂曲梁的二維靜力分析524.9!4.7 端部集中力作用的懸臂圓環(huán)曲梁平面彎曲的三維分析544.10!4.8 均勻拉力作用下含圓孔板的孔邊應(yīng)力集中594.11!4.9 兩端固定的厚壁管道在自重作用下的變形和應(yīng)力655第五章675.1!5.1 含橢圓孔的橢圓薄膜在外部張力作用下的靜力分析675.2!5.2 圓形薄膜大變形靜力分析705.3!5.3 柱形容器在內(nèi)壓作用下的靜力分析715.4!5.4 圓柱形薄殼在均勻內(nèi)壓作用下的靜力分析736第六章746.1!6.1 簡(jiǎn)支和固支圓板的在不同荷載作用下的彎曲746.2!6.2 懸臂長(zhǎng)板的大撓度彎曲776.3!6.3

4、 用殼體單元分析受均布荷載作用的固支圓板大撓度彎曲806.4!6.4 利用拉伸操作建立膨脹彎管模型826.5!6.5 兩端簡(jiǎn)支開口柱殼在自重作用下的靜力分析836.6!6.6 圓筒在一對(duì)橫向集中力作用下的變形856.7!6.7 兩邊簡(jiǎn)支開口柱殼在集中力作用下的大變形曲屈877第七章907.1!7.1 單自由度彈簧質(zhì)量系統(tǒng)的頻率計(jì)算907.2!7.2 懸索自由振動(dòng)的頻率917.3!7.3 用彈簧單元連接的圓盤的扭轉(zhuǎn)振動(dòng)937.4!7.4 圓桿連接圓盤的扭轉(zhuǎn)振動(dòng)947.5!7.5 鉆桿的扭轉(zhuǎn)自由振動(dòng)958第八章978.1!8.1 簡(jiǎn)支梁的自振頻率計(jì)算978.2!8.1 簡(jiǎn)支梁的自振頻率計(jì)算(增加節(jié)

5、點(diǎn)后的情況)998.3!8.2 自由-自由梁的縱向自由振動(dòng)1018.4!8.3 有軸向壓力作用的簡(jiǎn)支梁的自由振動(dòng)1028.5!8.4 用殼體單元計(jì)算懸臂等強(qiáng)度梁的自由振動(dòng)1048.6!8.5 矩形截面薄壁懸臂梁的自由振動(dòng)1059第九章1089.1!9.1 圓形張緊薄膜的自由振動(dòng)1089.2!9.2 薄膜二維非軸對(duì)稱自由振動(dòng)分析1099.3!9.3 薄膜三維非軸對(duì)稱振動(dòng)分析1129.4!9.4 懸臂長(zhǎng)板的自由振動(dòng)頻率1159.5!9.5 懸臂寬板的模態(tài)分析1169.6!9.6 固支圓板的自由振動(dòng)1179.7!9.7 用實(shí)體單元分析圓環(huán)的振動(dòng)1199.8!9.8 機(jī)翼模型的振動(dòng)分析12010第十章

6、12210.1!10.1 帶三個(gè)圓孔的平面支座分析12210.2!10.2 角支座應(yīng)力分析12310.3!10.3 立體斜支座的實(shí)體建模12410.4!10.4 四分之一車輪實(shí)體建模12510.5!10.5 軸承支座的實(shí)體建模12611第十一章12811.1!11.4 變截面懸臂梁的外形形狀優(yōu)化12811.2!11.5 平面剛架的優(yōu)化設(shè)計(jì)13212第十二章13412.1!12.1 四邊簡(jiǎn)支方形層合板在均布外載作用下的變形13412.2!12.2 均布拉力作用下含裂紋板的應(yīng)力強(qiáng)度因子計(jì)算13913第十三章14713.1!第13章 用APDL實(shí)現(xiàn)空間網(wǎng)殼結(jié)構(gòu)參數(shù)化建模14714第十四章14914.

7、1!第14章 塔式起重機(jī)靜動(dòng)力分析14915第十五章16515.1!15.3 利用軸對(duì)稱殼單元SHELL51計(jì)算長(zhǎng)柱形天然氣罐16515.2!15.4 利用8節(jié)點(diǎn)2D實(shí)體單元PLANE82單元計(jì)算長(zhǎng)柱形天然氣罐16715.3!15.5 用20節(jié)點(diǎn)3D實(shí)體單元solid95計(jì)算1/4長(zhǎng)柱形天然氣罐1681 第一章1.1 !1.1 鉸接桿在外力作用下的變形! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR,NOSTART! (1) 設(shè)置工程的選項(xiàng), 定義幾何參數(shù)/FileName, EX1.1/TITLE, EX1.1, DEFLECT

8、ION OF A HINGED SUPPORT*AFUN,DEGTHETA=30A=10000B=A/2*TAN(THETA)! (2) 進(jìn)入前處理模塊, 定義節(jié)點(diǎn)/PREP7N,1N,2,A/2,-BN,3,A! (3) 在前處理模塊中,定義單元類型,材料參數(shù)和各個(gè)單元ET,1,LINK1R,1,1000MP,EX,1,210E3E,1,2E,2,3! (4) 在前處理模塊中,定義位移約束D,1,ALL,3,2F,2,FY,-1000OUTPR,1FINISH! (5) 進(jìn)入求解模塊,開始求解/SOLUSOLVEFINISH! (6) 進(jìn)入后處理模塊,顯示節(jié)點(diǎn)位移和桿件內(nèi)力/POST1PLD

9、ISP,2MID_NODE = NODE (A/2,-B,0 )*GET,DISP,NODE,MID_NODE,U,YLEFT_EL = ENEARN (MID_NODE)ETABLE,STRS,LS,1*GET,STRSS,ELEM,LEFT_EL,ETAB,STRS! (7) 申明數(shù)組,提取計(jì)算結(jié)果,并比較計(jì)算誤差*DIM,LABEL,CHAR,2*DIM,VALUE,2,3LABEL(1) = 'STRS_MPa','DEF_mm'*VFILL,VALUE(1,1),DATA,1,-0.05498*VFILL,VALUE(1,2),DATA,STRSS,D

10、ISP*VFILL,VALUE(1,3),DATA,ABS(STRSS /1 ) ,ABS( DISP /0.05498 )/OUT,EX1_1,out/COM/COM,- EX1.1 RESULTS COMPARISON -/COM,/COM, | TARGET | ANSYS | RATIO/COM,*VWRITE,LABEL(1),VALUE(1,1),VALUE(1,2),VALUE(1,3)(1X,A8,' ',F10.3,' ',F10.3,' ',1F5.3)/COM,-/OUTFINISH*LIST,EX1_1,out1.2 !1

11、.2 人字形屋架的靜力分析! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR, START! (1) 設(shè)置工程的選項(xiàng)/FILNAME,EX1.2/UNITS, SI/TITLE, EX1.2, Plane Roof Tuss Model.! (2) 進(jìn)入前處理模塊, 定義節(jié)點(diǎn)/PREP7N, 1, 0, 0N, 2, 2, 0N, 3, 4, 0N, 4, 6, 0N, 5, 8, 0N, 6, 2, 1N, 7, 4, 2N, 8, 6, 1! (3) 在前處理模塊中, 定義單元類型LINK1, 材料參數(shù)和各個(gè)單元ET, 1, L

12、INK1MP, EX, 1, 207E9R, 1, 0.01E, 1, 2E, 2, 3E, 3, 4E, 4, 5E, 1, 6E, 6, 7E, 2, 6E, 2, 7E, 3, 7E, 4, 7E, 4, 8E, 7, 8E, 8, 5/PNUM, NODE,1/NUMBER, 2/PNUM, ELEM, 1EPLOTFINISH! (4) 進(jìn)入求解模塊, 設(shè)置求解選項(xiàng), 設(shè)置位移邊界條件, 加載并開始求解/SOLUANTYPE, STATICOUTPR, BASIC, ALLD, 1, ALL, 0D, 5, UY, 0F, 6, FY, -1000F, 7, FY, -1000F,

13、8, FY, -1000SOLVEFINISH! (5) 進(jìn)入一般后處理模塊, 顯示結(jié)構(gòu)變形圖/POST1PLDISP,2! (6) 列表顯示節(jié)點(diǎn)位移和單元的計(jì)算結(jié)果PRDISPETABLE, MFORX,SMISC,1ETABLE, SAXL, LS, 1ETABLE, EPELAXL, LEPEL, 1PRETAB/NUMBER, 0PLETAB, MFORXFINISH1.3 !1.3 超靜定拉壓桿的反力計(jì)算! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR,START! (1) 設(shè)置工程的選項(xiàng), 進(jìn)入前處理模塊,聲明單元類型

14、,實(shí)常數(shù)和材料參數(shù)/FILNAME, EX1.3/PREP7/TITLE, EX1.3, STATICALLY INDETERMINATE REACTION FORCE ANALYSISANTYPE,STATICET,1,LINK1R,1,1MP,EX,1,210E9! (2) 定義節(jié)點(diǎn)N,1N,2,0.4N,3,0.7N,4,1.0! (3) 定義單元E,1,2EGEN,3,1,1! (4) 定義位移約束和荷載D,1,ALL,4,3F,2,FY,-500F,3,FY,-1000FINISH! (5) 進(jìn)入求解模塊SOLU/SOLUOUTPR,BASIC,1OUTPR,NLOAD,1SOLVE

15、FINISH! (6) 進(jìn)入一般后處理模塊POST1/POST1NSEL,S,LOC,Y,1.0FSUM*GET,REAC_1,FSUM,ITEM,FYNSEL,S,LOC,Y,0FSUM*GET,REAC_2,FSUM,ITEM,FY! (7) 申明數(shù)組,輸出計(jì)算結(jié)果并比較*DIM,LABEL,CHAR,2*DIM,VALUE,2,3LABEL(1) = 'R1, N ','R2, N '*VFILL,VALUE(1,1),DATA,900,600*VFILL,VALUE(1,2),DATA,ABS(REAC_1),ABS(REAC_2)*VFILL,VALU

16、E(1,3),DATA,ABS(REAC_1/900) ,ABS(REAC_2/600)/OUT,EX1_3,out/COM/COM,- EX1.3 RESULTS COMPARISON -/COM,/COM, | TARGET | ANSYS | RATIO/COM,*VWRITE,LABEL(1),VALUE(1,1),VALUE(1,2),VALUE(1,3)(1X,A8,' ',F10.1,' ',F10.1,' ',1F5.3)/COM,-/OUTFINISH*LIST,EX1_3,out1.4 !1.4 平行桿件與剛性梁連接的熱應(yīng)力問

17、題! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR,START! (1) 定義分析類型,單元類型,截面面積和材料的力學(xué),熱學(xué)參數(shù)/FILNAME,EX1.4/PREP7/TITLE, EX1.4, THERMALLY LOADED SUPPORT STRUCTUREANTYPE,STATICET,1,LINK1R,1,65e-6MP,EX,1,100E9MP,ALPX,1,1.6E-5MP,EX,2,210E9MP,ALPX,2,1.3E-5TREF,70! (2) 定義節(jié)點(diǎn)位置信息N,1,-1N,3,1FILLN,4,-1,-1

18、N,6,1,-1FILL! (3) 定義單元信息E,1,4E,3,6MAT,2E,2,5CP,1,UY,5,4,6! (4) 定義位移約束和荷載（外力和溫度荷載）D,1,ALL,3F,5,FY,-4000BFUNIF,TEMP,80FINISH! (5) 在求解模塊,定義求解選項(xiàng),并開始求解/SOLUOUTPR,BASIC,1OUTPR,NLOAD,1NSUBST,1SOLVEFINISH! (6) 在一般后處理模塊中,尋找特定位置的節(jié)點(diǎn)和單元,并提取它們的內(nèi)力/POST1STEEL_N = NODE (,)COPPER_N = NODE (1,0,0)STEEL_E = ENEARN (ST

19、EEL_N)COPPER_E = ENEARN (COPPER_N)ETABLE,STRS_ST,LS,1ETABLE,STRS_CO,LS,1*GET,STRSS_ST,ELEM,STEEL_E,ETAB,STRS_ST*GET,STRSS_CO,ELEM,COPPER_E,ETAB,STRS_CO! (7) 將計(jì)算結(jié)果及其與理論解的比較情況輸出到文件vm3.txt*DIM,LABEL,CHAR,2,2*DIM,VALUE,2,3LABEL(1,1) = 'STRSS_ST','STRSS_CO'LABEL(1,2) = ' (MPa) ',&

20、#39; (MPa) '*VFILL,VALUE(1,1),DATA,34.59,13.47*VFILL,VALUE(1,2),DATA,STRSS_ST/1e6,STRSS_CO/1e6*VFILL,VALUE(1,3),DATA,ABS(STRSS_ST/34.59e6 ) ,ABS( STRSS_CO/13.47e6 )/COM/OUT,EX1_4,out/COM,- EX1.4 RESULTS COMPARISON -/COM,/COM, | TARGET | ANSYS | RATIO/COM,*VWRITE,LABEL(1,1),LABEL(1,2),VALUE(1,1),

21、VALUE(1,2),VALUE(1,3)(1X,A8,A8,' ',F10.2,' ',F10.2,' ',1F5.3)/COM,-/OUTFINISH*LIST,EX1_4,out1.5 端部有間隙的桿的熱膨脹! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR,START! (1) 定義分析類型,單元類型,截面面積和材料的力學(xué),熱學(xué)參數(shù)/FILNAME, EX1.5/PREP7/TITLE, EX1.5, THERMAL EXPANSION TO CLOSE A GAP AT A

22、RIGID SURFACEANTYPE,STATICET,1,CONTAC26R,1,2.625E15ET,2,PLANE42,3R,2,1MP,EX,1,72.4E3MP,ALPX,1,2.25E-5MP,NUXY,1,0! (2) 定義節(jié)點(diǎn)信息N,1,2000,1000N,2,3000,1000N,3,3000,4000N,4,2000,4000N,11,1000,998N,12,4000,998! (3) 定義單元信息E,1,11,12E,2,11,12TYPE,2REAL,2E,1,2,3,4TREF,21BFUNIF,TEMP,77! (4) 定義位移約束D,3,ALL,4D,1,U

23、X,2,1OUTPR,BASIC,LASTFINISH! (5) 在求解模塊開始求解/SOLUSOLVEFINISH! (6) 在一般后處理模塊中,定義水平應(yīng)力和鉛直應(yīng)力單元表,并提取3號(hào)單元的應(yīng)力結(jié)果/POST1ETABLE,STRSX,S,XETABLE,STRSY,S,Y*GET,STRSSX,ELEM,3,ETAB,STRSX*GET,STRSSY,ELEM,3,ETAB,STRSY! (7) 將計(jì)算結(jié)果輸出到結(jié)果文件*DIM,LABEL,CHAR,2,2*DIM,VALUE,2,3LABEL(1,1) = 'SIGX, (M','SIGY, (M'LA

24、BEL(1,2) = 'Pa) ','Pa) '*VFILL,VALUE(1,1),DATA,-91.22,-42.96*VFILL,VALUE(1,2),DATA,STRSSX,STRSSY*VFILL,VALUE(1,3),DATA,ABS(STRSSX/91.22) ,ABS(STRSSY/42.96)/COM/OUT,EX1_5, out/COM,- EX1.5 RESULTS COMPARISON -/COM,/COM, | TARGET | ANSYS | RATIO/COM,*VWRITE,LABEL(1,1),LABEL(1,2),VALUE(1

25、,1),VALUE(1,2),VALUE(1,3)(1X,A8,A8,' ',F10.3,' ',F10.3,' ',1F5.3)/COM,-/OUTFINISH*LIST,EX1_5,out2 第二章2.1 !2.1 等截面簡(jiǎn)單超靜定梁的平面彎曲分析(單元多)! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR/FILNAME, EX2-1T/UNITS, CGS/TITLE, EX2-1T.txt, 3 NODES SIMULATION OF OVER-DETERMINED BEAM

26、 WITH MORE NODES/PREP7N, 1, 0, 0N, 2, 0.06, 0$ N, 3, 0.12, 0 $ N, 4, 0.18, 0N, 5, 0.24, 0 $ N, 6, 0.30, 0 $ N, 7, 0.36, 0N, 8, 0.42, 0 $ N, 9, 0.48, 0 $ N, 10, 0.54, 0N, 11, 0.60, 0NPLOT NPLOT, 1NLISTDSYS, 1NLISTET, 1, BEAM3MP, EX, 1, 207e9MP, NUXY, 1, 0.3R, 1, 1, 0.020833, 0.5E, 1, 2E, 2, 3 $ E, 3,

27、 4 $ E, 4, 5 $ E, 5, 6E, 6, 7 $ E, 7, 8 $ E, 8, 9 $ E, 9,10E, 10, 11EPLOTELISTFINISH/SOLUANTYPE, STATICOUTPR, BASIC, ALLD, 1, UX, 0, , , , , UY, ROTZD, 11, UY, 0 SFBEAM, 1, 1, PRES, 0, 60SFBEAM, 2, 1, PRES, 60, 120 $ SFBEAM, 3, 1, PRES, 120, 180SFBEAM, 4, 1, PRES, 180, 240 $ SFBEAM, 5, 1, PRES, 240,

28、 300SFBEAM, 6, 1, PRES, 300, 360 $ SFBEAM, 7, 1, PRES, 360, 420SFBEAM, 8, 1, PRES, 420, 480 $ SFBEAM, 9, 1, PRES, 480, 540SFBEAM, 10, 1, PRES, 540, 600F, 6, FY, -200SOLVEFINISH/POST1PRDISPETABLE,IMOMENT, SMISC, 6ETABLE,JMOMENT, SMISC, 12ETABLE, ISHEAR, SMISC, 2ETABLE, JSHEAR, SMISC, 8PRETAB/TITLE, S

29、HEAR FORCE DIAGRAMPLLS, ISHEAR, JSHEAR/TITLE, BENDING MOMENT DIAGRAMPLLS, IMOMENT, JMOMENTFINISH2.2 !2.2 工字形截面外伸梁的平面彎曲! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）Finish/CLEAR, NOSTART/PREP7/FileName, EX2.2/TITLE, EX2.2, BEAM STRESSES AND DEFLECTIONSC* STR. OF MATL., TIMOSHENKO, PART 1, 3RD ED., PAGE

30、 98, PROB. 4! (1) 定義求解類型，實(shí)常數(shù)和材料參數(shù)ANTYPE,STATICET,1,BEAM3KEYOPT,1,9,9R,1,35e-4,4.5E-5,0.20MP,EX,1,210E9MP,PRXY,1,0.3! (2) 定義節(jié)點(diǎn)位置N,1N,5,4FILL! (3) 定義單元連接關(guān)系E,1,2EGEN,4,1,1! (4) 定義位移約束和荷載條件D,2,UX,UYD,4,UYSFBEAM,1,1,PRES,5000SFBEAM,4,1,PRES,5000FINISH! (5) 進(jìn)入求解模塊，定義求解選項(xiàng)并求解/SOLUOUTPR,BASIC,1SOLVEFINISH! (

31、6) 進(jìn)入后處理模塊列表顯示節(jié)點(diǎn)位移計(jì)算結(jié)果和圖形顯示變形圖/POST1SET,1,1PRNSOL,U,COMPPRNSOL,ROT,COMPPLDISP,1! (7) 提取指定位置的節(jié)點(diǎn)和單元，定義單元表并獲取彎曲應(yīng)力MID_NODE = NODE (2, )*GET,DISP,NODE,MID_NODE,U,YMID_ELM = ENEARN (MID_NODE)ETABLE,STRS,LS,3*GET,STRSS,ELEM,MID_ELM,ETAB,STRS! (8) 將計(jì)算結(jié)果寫入到文本文件*DIM,LABEL,CHAR,2*DIM,VALUE,2,3LABEL(1) = 'S

32、TRS_MPa','DEF_mm'*VFILL,VALUE(1,1),DATA,-5.5556,0.1323*VFILL,VALUE(1,2),DATA,STRSS/1e6,DISP*1000*VFILL,VALUE(1,3),DATA,ABS(STRSS/1e6/5.5556) ,ABS(DISP/0.1323e-3)/OUT, EX2_2, out/COM/COM,- EX2.2 RESULTS COMPARISON -/COM,/COM, | TARGET | ANSYS | RATIO/COM,*VWRITE,LABEL(1),VALUE(1,1),VALUE(

33、1,2),VALUE(1,3)(1X,A8,' ',F10.3,' ',F10.3,' ',1F5.3)/COM,-/OUTFINISH*LIST, EX2_2, out2.3 !2.3 矩形截面梁的縱橫彎曲分析! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）FINISH/CLEAR, NOSTART/PREP7/FileName, EX2.3/TITLE, EX2.3, TIE ROD WITH LATERAL LOADING, NO STREES STIFFENINGC* STR. OF MATLS.,

34、 TIMOSHENKO, PART 2, 3RD ED., PAGE 42, ART. 6! (1) 定義求解類型，實(shí)常數(shù)和材料參數(shù)ANTYPE,STATICET,1,BEAM4,1R,1,0.403225e-2, 0.135492e-5, 0.135492e-5, 0.0635, 0.0635MP,EX,1,210E9MP,PRXY,0.3! (2) 定義節(jié)點(diǎn)位置N,1N,5,2.54FILL! (3) 定義單元連接關(guān)系E,1,2EGEN,4,1,1! (4) 定義位移約束和荷載條件D,ALL,UY,ROTX,ROTZD,1,UZNSEL,S,5DSYM,SYMM,XNSEL,ALL! (5

35、) 施加荷載F,1,FX,-97740SFBEAM,ALL,1,PRES,314FINISH! (6) 進(jìn)入求解模塊，開始求解/SOLUSOLVEFINISH! (7) 進(jìn)入后處理模塊，顯示位移計(jì)算結(jié)果，提取左邊支座節(jié)點(diǎn)的轉(zhuǎn)角和跨中撓度/POST1NSEL,S,1,5,4PRNSOL,U,ZPRNSOL,ROT,YNSEL,ALLPRRSOLRGHT_END = NODE (2.54,0,0)LFT_END = NODE (0,0,0)*GET,UZ_MX_C2,NODE,RGHT_END,U,Z*GET,SLOPE_C2,NODE,LFT_END,ROT,YFINISH! (8) 在時(shí)間歷程

36、后處理器中，疊加處理5號(hào)節(jié)點(diǎn)的彎矩/POST26RFORCE,2,RGHT_END,M,YSTORE*GET,M_MX_C2,VARI,2,EXTREM,VMAXFINISH! (9) 重新進(jìn)入前處理模塊，重新計(jì)算考慮應(yīng)力強(qiáng)化效應(yīng)的壓桿/PREP7/TITLE, EX2.3(2), TIE ROD WITH LATERAL LOADING, STRESS STIFFENING PRESENTSSTIF,ONNSUBST,5AUTOTS,ONFINISH! (10) 進(jìn)入求解模塊，制定最小收斂誤差后，開始非線性求解/SOLUCNVTOL,F,.0001,1SOLVEFINISH! (11) 進(jìn)入

37、后處理模塊，顯示位移計(jì)算結(jié)果，提取左邊支座節(jié)點(diǎn)的轉(zhuǎn)角和跨中撓度/POST1NSEL,S,1,5,4PRNSOL,U,ZPRNSOL,ROT,YPRRSOL*GET,UZ_MX_C1,NODE,RGHT_END,U,Z*GET,SLOPE_C1,NODE,LFT_END,ROT,YFINISH! (12) 在時(shí)間歷程后處理器中，疊加處理跨中（5號(hào)節(jié)點(diǎn)的）彎矩/POST26RFORCE,2,RGHT_END,M,YSTORE*GET,M_MX_C1,VARI,2,EXTREM,VMAX! (13) 生成計(jì)算結(jié)果文本文件EX21.out*DIM,LABEL,CHAR,3,2*DIM,VALUE_C1

38、,3,3*DIM,VALUE_C2,3,3LABEL(1,1) = 'UZ MAX ','SLOPE ','MOMENT M'LABEL(1,2) = '(m) ','(rad) ','AX N-m'*VFILL,VALUE_C1(1,1),DATA,-0.0050274,.00321,-521.52*VFILL,VALUE_C1(1,2),DATA,UZ_MX_C1,SLOPE_C1,M_MX_C1*VFILL,VALUE_C1(1,3),DATA,ABS(UZ_MX_C1/0.0050274),

39、ABS(SLOPE_C1/.00321), ABS(M_MX_C1/521.52)*VFILL,VALUE_C2(1,1),DATA,-0.00957,.006028,-1013*VFILL,VALUE_C2(1,2),DATA,UZ_MX_C2,SLOPE_C2,M_MX_C2*VFILL,VALUE_C2(1,3),DATA,ABS(UZ_MX_C2/0.00957),ABS(SLOPE_C2/.006028), ABS(M_MX_C2/1013)/COM/OUT, EX2_3, out/COM,- EX2.3 RESULTS COMPARISON -/COM,/COM, | TARGET

40、 | ANSYS | RATIO/COM,/COM,RESULTS FOR F<>0 (STIFFENED):/COM,*VWRITE,LABEL(1,1),LABEL(1,2),VALUE_C1(1,1),VALUE_C1(1,2),VALUE_C1(1,3)(1X,A8,A8,' ',F17.7,' ',F17.7,' ',1F5.3)/COM,/COM,RESULTS FOR F=0 (UNSTIFFENED):/COM,*VWRITE,LABEL(1,1),LABEL(1,2),VALUE_C2(1,1),VALUE_C2(1

41、,2),VALUE_C2(1,3)(1X,A8,A8,' ',F17.7,' ',F17.7,' ',1F5.3)/COM,-/OUTFINISH*LIST, EX2_3, out2.4 !2.4 懸臂梁的雙向彎曲! 本程序來源于邢靜忠等編著的ANSYS分析實(shí)例與工程應(yīng)用，機(jī)械工業(yè)出版社（2004年）Finish/CLEAR, START/FileName,EX2.4/PREP7/TITLE, EX2.4(1), STRAIGHT CANTILEVER BEAM BY SOLID5 ELEMENT.! (1) 利用SOLID5單元計(jì)算懸臂梁的組合

42、變形C* USING SOLID5 HEXAHEDRONSANTYPE,STATICET,1,SOLID5,2MP,EX,1,69E3MP,NUXY,1,0.3! (2) 定義懸臂梁上的8個(gè)的關(guān)鍵點(diǎn)K,1K,2,152.4! 用關(guān)鍵點(diǎn)生成命令KGEN, ITIME, NP1, NP2, NINC, DX, DY, DZ, KINC 生成其它關(guān)鍵點(diǎn)KGEN,2,1,2,1,5.08KGEN,2,1,4,1,2.54! 上面兩行命令完成了節(jié)點(diǎn)3到4的定義和節(jié)點(diǎn)5到8的位置定義! (3) 定義一條邊線，制定這條線劃分單元的個(gè)數(shù)和一般單元的尺寸L,1,2smrt,offLESIZE,ALL,10ESI

43、ZE,25.4V,1,2,4,3,5,6,8,7VMESH,1! (4) 選擇左側(cè)截面處的所有節(jié)點(diǎn)，并固定這些節(jié)點(diǎn)。在右側(cè)的所有節(jié)點(diǎn)上施加集中力NSEL,S,LOC,X,0D,ALL,ALLNSEL,ALLFK,2,FX,4.4483/4*REPEAT,4,2NOORDERFINISH! (5) 求解在自由端拉力作用下懸臂梁的變形，主要是拉壓變形/SOLUSOLVE! (6) 改變荷載，計(jì)算在Y方向的集中力作用下的情形FKDELE,ALL,FXFK,2,FY,4.4483/4*REPEAT,4,2SOLVE! (7) 改變荷載，計(jì)算在Z方向的集中力作用下的情形FKDELE,ALL,FYFK,2

44、,FZ,4.4483/4*REPEAT,4,2SOLVEFINISH! (8) 進(jìn)入一般后處理模塊/POST1CSYS,0! (9) 定義宏程序，完成自由端位移計(jì)算結(jié)果的處理*CREATE,MACSET,ARG1,1LCDEF,ARG1,ARG1NSEL,S,LOC,X,152.4PRNSOL,U,COMPLCFACT,ARG1,ARG2LCASE,ARG1PRNSOL,U,COMP*END! (10) 使用上面定義的宏程序處理所有的3個(gè)工況/COM *USE,MAC,1,(1/7.6E-4)SET,1,1LCSEL,S,0,0N1=NODE(152.4 , 0, 0)*GET,UX1,NOD

45、E,N1,U,X! (11) 處理第2個(gè)荷載步的計(jì)算結(jié)果*USE,MAC,2,(1/2.4712)SET,2,1LCSEL,S,0,0*GET,UY1,NODE,N1,U,Y! (12) 處理第3個(gè)荷載步的計(jì)算結(jié)果*USE,MAC,3,(1/10.9646)SET,3,1LCSEL,S,0,0*GET,UZ1,NODE,N1,U,Z! (13) 定義字符串變量和相應(yīng)的理論計(jì)算結(jié)果*DIM,LABEL,CHAR,3,2*DIM,VALUE,3,3LABEL(1,1) = 'DEFL X ','DEFL Y ','DEFL Z 'LABEL(1,2)

46、 = 'mm','mm','mm'*VFILL,VALUE(1,1),DATA,7.6E-4,2.471,10.965*VFILL,VALUE(1,2),DATA,UX1,UY1,UZ1*VFILL,VALUE(1,3),DATA,ABS(UX1/(7.6E-4),ABS(UY1/2.471),ABS(UZ1/10.965)SAVE, TABLE_1FINISH! (14) 改變單元類型，重新分析矩形截面懸臂梁在端部集中力作用下的變形/CLEAR, NOSTART/PREP7/TITLE, EX2.4(2), STRAIGHT CANTILEVE

47、R BEAM by SOLID92 ELEMENT.smrt,offMOPT,VMESH,MAINMOPT,AMESH,ALTE! (15) 使用10節(jié)點(diǎn)四面體單元SOLID92ANTYPE,STATICET,1,SOLID92MP,EX,1,69E3MP,PRXY,1,0.3K,1K,2,5.08KGEN,2,1,2,1,2.54KGEN,2,1,4,1,152.4/9ESIZE,25.4V,1,2,4,3,5,6,8,7VMESH,1! (16) 利用第1塊體的單元模式，生成其余的8部分單元，定義固定端部的約束VGEN,9,1,1,1,152.4/9,4NSEL,S,LOC,X,0D,AL

48、L,ALLSAVE! (17) 獲取相應(yīng)節(jié)點(diǎn)的編號(hào)，并在這些節(jié)點(diǎn)上施加荷載/COM * GET NODE NUMBERS FOR LOAD APPLICATION *NSEL,S,LOC,X,152.4NSEL,R,LOC,Y,2.54NSEL,R,LOC,Z,1.27*GET,MIDD,NDMXNSEL,S,LOC,X,152.4NSEL,R,LOC,Y,5.08NSEL,R,LOC,Z,1.27*GET,TOPP,NDMXNSEL,S,LOC,X,152.4NSEL,R,LOC,Y,0.0NSEL,R,LOC,Z, 1.27*GET,BOTT,NDMXNSEL,S,LOC,X, 152.4

49、NSEL,R,LOC,Y, 2.54NSEL,R,LOC,Z, 2.54*GET,LFT,NDMXNSEL,S,LOC,X,152.4NSEL,R,LOC,Y, 2.54NSEL,R,LOC,Z,.00*GET,RGHT,NDMXNSEL,ALL! (18) 給上面選擇出的這些節(jié)點(diǎn)施加沿著X方向的軸向荷載/COM * APPLY LOADS TO PARAMETRIC NODE NUMBERS *F,RGHT,FX, 4.4483/6F,LFT,FX, 4.4483/6F,TOPP,FX, 4.4483/6F,BOTT,FX, 4.4483/6F,MIDD,FX, 4.4483/3FINISH

50、! (19) 對(duì)這種荷載情況進(jìn)行計(jì)算/SOLUSOLVE! (20) 改變荷載，給上面選擇出的這些節(jié)點(diǎn)施加沿著Y方向的軸向荷載，重新計(jì)算FDELE,ALLF,RGHT,FY, 4.4483/6F,LFT,FY, 4.4483/6F,TOPP,FY, 4.4483/6F,BOTT,FY, 4.4483/6F,MIDD,FY, 4.4483/3SOLVE! (21) 改變荷載，給上面選擇出的這些節(jié)點(diǎn)施加沿著Z方向的軸向荷載，重新計(jì)算FDELE,ALLF,RGHT,FZ, 4.4483/6F,LFT,FZ, 4.4483/6F,TOPP,FZ, 4.4483/6F,BOTT,FZ, 4.4483/6

51、F,MIDD,FZ, 4.4483/3SOLVEFINISH! (22) 在后處理模塊中，顯示位移計(jì)算結(jié)果和理論結(jié)果的比值/POST1/COM * USE MACRO TO PROCESS ALL 3 LOADCASES *! (23) 利用前面定義的宏，處理前面計(jì)算的3中荷載工況*USE,MAC,1,(1/7.6E-4)SET,1,1LCSEL,S,0,0N1=NODE(152.4,0,0)*GET,UX2,NODE,N1,U,X!*USE,MAC,2,(1/2.4712)SET,2,1LCSEL,S,0,0*GET,UY2,NODE,N1,U,Y!*USE,MAC,3,(1/.432)SET,3,1LCSEL,S,0,0*GET,UZ2,NODE,N1,U,Z! (24) 定義字符變量，比較理論結(jié)果和有限元結(jié)果的比值*DIM,LABEL,CHAR,3,2*DIM,VALUE,3,3LABEL(1,1) = 'DEFL X ','DEFL Y ','DEFL Z 'LABEL(1,2) = 'in','in','in'*VFILL,VAL