CAE分析大系 ANSYS土木工程實(shí)例詳解

第1 章　概述....................................... 9
1.1　ANSYS 的歷史.............................................9
1.2　ANSYS 的功能...........................................10
1.3　ANSYS 16.0 版本的新亮點(diǎn).........................11
本章小結(jié)....................................12
第2 章　制定ANSYS 分析方案.................................... 13
2.1　概述.....................................13
2.2　確定分析類型............................................14
2.3　建模...................................14
2.3.1　整體受力或局部受力........................... 14
2.3.2　模型對(duì)稱性........................................ 14
2.3.3　選用合理的單元類型........................... 15
2.3.4　網(wǎng)格離散方案..................................... 16
2.3.5　處理連接關(guān)系..................................... 19
2.3.6　預(yù)留荷載作用位置.............................. 20
2.3.7　制定求解過(guò)程方案.............................. 20
2.3.8　專題分析........................................... 21
2.4　典型的分析過(guò)程........................................22
2.5　一個(gè)簡(jiǎn)單的分析例子（GUI 方式）............22
本章小結(jié)........................................27
第3 章　模型建立........................................ 28
3.1　單位設(shè)置...................................................28
3.2　坐標(biāo)系和工作平面.....................................29
3.2.1　全局和局部坐標(biāo)系.............................. 29
3.2.2　活動(dòng)坐標(biāo)系........................................ 30
3.2.3　顯示坐標(biāo)系........................................ 30
3.2.4　節(jié)點(diǎn)坐標(biāo)系........................................ 30
3.2.5　單元坐標(biāo)系........................................ 31
3.2.6　結(jié)果坐標(biāo)系........................................ 32
3.2.7　工作平面........................................... 32
3.3　顯示設(shè)置...................................................33
3.3.1　編號(hào)和顏色顯示控制........................... 33
3.3.2　邊界條件和荷載的顯示設(shè)置.................. 34
3.3.3　尺寸和形狀........................................ 34
3.4　實(shí)體模型的建立........................................35
3.4.1　自底向上建模..................................... 36
3.4.2　自頂向下建模..................................... 38
3.5　實(shí)體建?！獙?dǎo)入AutoCAD 模型..................40
3.6　布爾運(yùn)算...................................................41
3.6.1　布爾運(yùn)算的設(shè)置.................................. 41
3.6.2　布爾操作........................................... 42
3.6.3　布爾操作注意要點(diǎn).............................. 44
3.7　實(shí)體建模實(shí)例............................................44
本章小結(jié)........................................48
第4 章　網(wǎng)格劃分..................................... 49
4.1　網(wǎng)格劃分流程............................................49
4.1.1　設(shè)置單元屬性..................................... 49
4.1.2　設(shè)置網(wǎng)格劃分尺寸.............................. 51
4.1.3　選擇網(wǎng)格劃分方法.............................. 51
4.1.4　生成網(wǎng)格........................................... 51
4.1.5　網(wǎng)格檢查與修改.................................. 51
4.2　實(shí)體分網(wǎng)技術(shù)............................................51
4.2.1　單元屬性設(shè)置..................................... 52
4.2.2　網(wǎng)格劃分尺寸控制.............................. 53
4.2.3　自由網(wǎng)格和映射網(wǎng)格........................... 57
4.3　高級(jí)分網(wǎng)技術(shù)............................................63
4.3.1　掃掠生成體網(wǎng)格.................................. 63
4.3.2　過(guò)渡金字塔單元.................................. 65
4.3.3　自適應(yīng)網(wǎng)格劃分.................................. 67
4.4　 單元形狀及網(wǎng)格檢查................................69
4.4.1　單元形狀檢查..................................... 69
4.4.2　網(wǎng)格有效性檢查.................................. 71
4.5　網(wǎng)格修改...................................................71
4.5.1　重新劃分網(wǎng)格..................................... 72
4.5.2　清除網(wǎng)格........................................... 72
4.5.3　細(xì)化網(wǎng)格........................................... 72
4.5.4　四面體單元的修改.............................. 74
4.6　直接建模...................................................74
4.6.1　節(jié)點(diǎn).................................................. 74
4.6.2　單元.................................................. 75
4.7　網(wǎng)格劃分實(shí)例............................................75
本章小結(jié)......................................82
第5 章　加載與求解............................. 83
5.1　荷載及加載基礎(chǔ)........................................83
5.1.1　分類............................................