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  • 大小: 94KB
    文件類型: .zip
    金幣: 2
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    發布日期: 2024-02-06
  • 語言: Matlab
  • 標簽: MATLAB??

資源簡介

可計算空間桁架受力及繪制形變圖,內附說明 For example: Force in the member 2-4 = Force(6) = 0.8385e4 Displacement of node 4 in y direction = 0.0172 Reaction of node 8 in z zirection = - 0.4250e4 Note: If the structure is unstable, this warning is appeared: Warning: Matrix is singular to working precision. Some of the Forces & Displacements are equal to NaN.

資源截圖

代碼片段和文件信息

function?D=Data
%??Definition?of?Data

%??Nodal?Coordinates
Coord=[-37.5?0?200;37.5?0?200;-37.5?37.5?100;37.5?37.5?100;37.5?-37.5?100;-37.5?-37.5?100;-100?100?0;100?100?0;100?-100?0;-100?-100?0];

%??Connectivity
Con=[1?2;1?4;2?3;1?5;2?6;2?4;2?5;1?3;1?6;3?6;4?5;3?4;5?6;3?10;6?7;4?9;5?8;4?7;3?8;5?10;6?9;6?10;3?7;4?8;5?9];

%?Definition?of?Degree?of?freedom?(free=0?&??fixed=1);?for?2-D?trusses?the?last?column?is?equal?to?1
Re=zeros(size(Coord));Re(7:10:)=[1?1?1;1?1?1;1?1?1;1?1?1];
%?or:???Re=[0?0?0;0?0?0;0?0?0;0?0?0;0?0?0;0?0?0;1?1?1;1?1?1;1?1?1;1?1?1];

%?Definition?of?Nodal?loads?
Load=zeros(size(Coord));Load([1:36]:)=1e3*[1?-10?-10;0?-10?-10;0.5?0?0;0.6?0?0];
%?or:???Load=1e3*[1?-10?-10;0?-10?-10;0.5?0?0;0?0?0;0?0?0;0.6?0?0;0?0?0;0?0?0;0?0?0;0?0?0];

%?Definition?of?Modulus?of?Elasticity
E=ones(1size(Con1))*1e7;
%?or:???E=[1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1]*1e7;

%?Definition?of?Area
A=[.4?.1?.1?.1?.1?3.4?3.4?3.4?3.4?.4?.4?1.3?1.3?.9?.9?.9?.9?1?1?1?1?3.4?3.4?3.4?3.4];

%?Convert?to?structure?array
D=struct(‘Coord‘Coord‘‘Con‘Con‘‘Re‘Re‘‘Load‘Load‘‘E‘E‘‘A‘A‘);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-21?22:01??Truss?Analysis\
?????文件????????1132??2018-03-07?23:09??Truss?Analysis\Data.m
?????文件?????????449??2018-05-10?21:26??Truss?Analysis\Data3.m
?????文件??????137728??2012-09-03?09:42??Truss?Analysis\Help.doc
?????文件????????2638??2018-03-12?21:04??Truss?Analysis\ST.m
?????文件?????????274??2018-09-09?22:18??Truss?Analysis\TP.m

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