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

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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