關(guān)于材料

材料屬性? Material Prop(支柱)→Material Models→Strutural? EX=2e11、PRXY=0.3、Density=7800

單元類(lèi)型? Element type→add? Beam189(梁) 、shell181(殼)

梁截面? ??Section→Beam→Common Sections? Name、ID=1、B=0.004、H=0.004

板的厚度? Section→Shell→Lay-up(儲(chǔ)存)→add? Name、ID=2、Thiness=0.002

幾何建模(距離是0.05)是??????

建點(diǎn)Modeling→Create→Keypoints→In Active CS?? 1（0,0,0）2（0.05,0,0）3（0.05, 0.05,0）2（0, 0.05,0）

復(fù)制關(guān)鍵點(diǎn)（復(fù)制關(guān)鍵點(diǎn)建2面，再?gòu)?fù)制2面）Modeling→Copy→Keypoints ?Pick all、DX=0、DY=0、DZ=0.05

壓縮編號(hào)（合并編號(hào)）前→Numbering Ctrls→Compress Numbers? Keypoints

創(chuàng)建線(xiàn)

劃分網(wǎng)格

劃分的尺寸Meshing→MeshTool→SizeControls,Global,Set? Size=0.02

劃分殼單元Meshing→MeshTool→Set? [TYPE]=SHELL、[SECNUM]=SHELL→Mesh? 面積

劃分梁?jiǎn)卧狹eshing→MeshTool→Set? [TYPE]=BEAM、[SECNUM]=BEAM→Mesh? 梁

單元形狀（看劃分效果）PlotCtrls→Style→Size and Shape? ESHAPE:ON

模態(tài)分析 1

設(shè)置分析類(lèi)型（模態(tài)應(yīng)分析）Analysis Type→New Analysis ?

設(shè)置求解方法???????????? Analysis Type→Analysis Option? Subspace No.of modes extract=10

加約束（底端6個(gè)點(diǎn)全約束）Loads→Define loads→Apply→Structural→Displacement(移位)→On Node? 選擇 All DOF

求解F

模態(tài)分析 2

設(shè)置分析類(lèi)型（譜分析）Analysis Type→New Analysis Spectrum

設(shè)置擴(kuò)展模態(tài)數(shù)?????? Analysis Type→Analysis Option? Single-pt resp? No.of modes for solu=10

設(shè)置譜類(lèi)型Solution→Load Step opts→Spectrum→single point→setting? Seismic displac ?Coordinates og point=0,1,0

定義頻率表Solution→Load Step opts→Spectrum→single point→Freq Table FREQ1-FREQ8=0.5 , 1 , 2.4 , 3.8 ,17,18,20,32

定義譜值表Solution→Load Step opts→Spectrum→single point→Spectr Values OK

SV1-SV8=0.001,0.0005,0.0009,0.0008,0.0012,0.00075,0.00086,0.0002s

求解F

擴(kuò)展模態(tài) 3

設(shè)置分析類(lèi)型（模態(tài)分析）Analysis Type→New Analysis Modal

設(shè)置擴(kuò)展項(xiàng)????? ???????Analysis Type→ExpansionPass? ?Expansion Pass=On

設(shè)置擴(kuò)展參數(shù)Solution→Load Step opts→ExpansionPass→Single Expand→Expand ModesNo.of modes to expand=10 yes SIGNIF=

求解

合并模態(tài) 4

設(shè)置分析類(lèi)型（譜分析）Analysis Type→New Analysis Spectrum

設(shè)置擴(kuò)展模態(tài)數(shù)?????? Analysis Type→Analysis Option? OK

模態(tài)合并參數(shù)設(shè)置Solution→Load Step opts→Spectrum→single point→Mode Significant threshold=0.15

Combine Mode Combination Method=SRSS ?

求解F

數(shù)據(jù)后處理

結(jié)果概要 ?????????General Postproc→Results Summary? 出圖

列出節(jié)點(diǎn)解??????? General Postproc→Read results→Frist set

列出合位移的節(jié)點(diǎn)解General Postproc→List Results? Nodal solution DOF solution Dispalcement vector sum

列出反力解??????? General Postproc→List Results→Reaction Solu? All Items

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