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ANSYS 螺栓 預應力

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新手 在模擬螺栓預應力時出現了問題,下面是命令

!******************************************************************************

!文件說明段

!******************************************************************************

/FILNAME,xvanbiliang,1                           !修改工程名稱

/TITLE,beam                                     !修改標題為“beam

/UNITS,SI                                       !定義單位 

!******************************************************************************

!設置材料屬性

!******************************************************************************

/PREP7                                           !進入前處理 

ET,1,SOLID187                                    !定義單元類型

MPTEMP,1,0                                      !創建溫度表

MPDATA,EX,1,,2e11                               !定義1號材料彈性模量

MPDATA,PRXY,1,,0.3                              !定義1號材料泊松比

MPDATA,MU,1,,0.2                                !定義材料摩擦系數

MPTEMP,1,0

MPDATA,EX,2,,2.5e11                              !定義2號材料彈性模量

MPDATA,PRXY,2,,0.4                              !定義2號材料泊松比

!******************************************************************************

!建立模型

!******************************************************************************

BLC4,-0.1,0,0.2,1,0.1                              !繪制立柱

WPOFFS,0,0,0.1                                  !移動坐標系Z方向0.1

BLC5,0,0.8,0.2,0.4,0.1                             !繪制橫兩側板

WPOFFS,0,0,0.1                                  !移動坐標系Z方向0.1

BLC5,0,0.8,0.2,0.1,1                               !繪制橫梁

WPOFFS,0,0,-0.2                                  !移動坐標系-Z方向0.2

CON4,0.06,0.95,0.02,0.02,0.2                        !繪制圓柱孔

CON4,0.06,0.65,0.02,0.02,0.2                        !繪制圓柱孔

VSYMM,X,4,5,1,0,0                               !鏡像圓柱孔

VSEL,S,,,4,7,1                                     !拾取圓柱孔

CM,V1,VOLU,                                    !圓柱孔創建元件件名

VSEL,S,,,1,2                                      !拾取立柱和橫梁

CM,V2,VOLU                                     !立柱和橫梁側板創建元件名

ALLSEL,ALL                                     !選擇所有實體

VSBV,V2,V1                                      !體相減

/REPLOT                                         !重繪窗口

CMDELE,V1                                      !刪除組件1

CMDELE,V2                                      !刪除組件2

NUMCMP,ALL                                    !壓縮編號

CSWPLA,11,0                                     !定義局部直角坐標系

WPCSYS,11                                       !工作平面為直角坐標系

CON4,0.06,0.95,0.02,0.02,0.2                         !繪制螺栓

WPOFFS,0,0,0.2                                    !移動坐標系Z方向0.2

CON4,0.06,0.95,0.03,0.03,0.05                         !繪制螺栓頭

WPOFFS,0,0,-0.2                                    !移動坐標系-Z方向0.2

CON4,0.06,0.95,0.03,0.03,-0.05                        !繪制螺母

VGEN,2,4,6,1,0,-0.3                                 !復制螺栓

VSYMM,X,4,9,1                                    !鏡像螺栓

/trly,volu,1,all                                       !調小體的透明度

NUMCMP,ALL                                     !壓縮編號

VGLUE,1,3                                         !1,3粘結

VGLUE,4,5,6                                       !4,5,6粘結

VGLUE,7,8,9                                       !7,8,9粘結

VGLUE,10,11,12 !10,11,12粘結

VGLUE,13,14,15                                    !13,14,15粘結

NUMCUP,ALL                                      !壓縮單元

!******************************************************************************

!劃分網格

!******************************************************************************

VSEL,S,,,3,13,1                                     !拾取螺栓

VSEL,A,,,15

CM,luoshuan,VOLU                                  !創建luoshuan組件

CMSEL,,luoshuan                                    !拾取luoshuan組件

VATT,2,,1                                           !設置螺栓網格單元屬性

VSEL,S,,,1,2                                        !設置lizhu 組件

VSEL,A,,,14

CM,lizhu,VOLU

CMSEL,S,lizhu     

VATT,1,,1                                           !設置lizhu屬性

VSEL,S,,,4                                          !螺栓柱劃分網格

VSEL,A,,,7

VSEL,A,,,10

VSEL,A,,,13

CM,luoshuanzhu,VOLU

CMSEL,,luoshuanzhu

MSHAPE,1,3D                                       !設置3D四面體網格劃分

MESHKEY,0                                         !自由網格劃分

VMESH,luoshuanzhu                                  !劃分網格

VSEL,S,,,5,6                                          !螺栓頭和螺母劃分網格

VSEL,A,,,8,9

VSEL,A,,,11,12

VSEL,A,,,3

VSEL,A,,,15

CM,luoshuantou,VOLU

CMSEL,,luoshuantou

MSHAPE,1,3D                                       !設置3D四面體網格劃分

MESHKEY,0                                         !自由網格劃分

VMESH,luoshuantou                                 !劃分網格

CMSEL,,lizhu                                       !劃分立柱網格

SMRTSIZE,3,0.5                                     !網格劃分大小

MSHAPE,1,3D                                      !設置3D四面體網格劃分

MESHKEY,0                                        !自由網格劃分

VMESH,lizhu                                       !劃分網格

ALLSEL,ALL

PSMESH,,BOLT1,,VOLU,4,0,Z,0,,,,PRETS179             定義4號體預緊力

PSMESH,,BOLT2,,V,7,,Z,0.5,,,PRETS179                !定義7號體預緊力

PSMESH,,BOLT3,,V,10,,Z,0.5,,,PRETS179               !定義10號體預緊力

PSMESH,,BOLT4,,V,13,,Z,0.5,,,PRETS179               !定義13號體預緊力

當施加PSMESH命令時,就會出現下面問題

QQ截圖20160306154408.png

怎么解決呢


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(2)
默認 最新
海闊天空5

你這這么長太難檢查了,你可以一段加上去試試命令流,看看在哪一段出現了問題,然后再找原因

2021年3月29日
評論 點贊
fighting day

你沒有定義預應力單元吧

2021年3月29日
評論 點贊

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