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    發(fā)布日期: 2021-03-28
  • 語(yǔ)言: Matlab
  • 標(biāo)簽: matlab??

資源簡(jiǎn)介


美版《機(jī)械振動(dòng)》書中例題matlab程序,對(duì)學(xué)習(xí)振動(dòng)的朋友很有幫助

資源截圖

代碼片段和文件信息

%------?Program?Ex12_5.m
%------Initialization?of?values------------------------
A1?=?16e-4?;
A2?=?9e-4?;
A3?=?4e-4?;

E1?=?20e10?;
E2?=?E1?;
E3?=?E1?;

R1?=?7.8e3?;
R2?=?R1?;
R3?=?R1?;

L1?=?1?;
L2?=?0.5?;
L3?=?0.25?;

%------Definition?of?[K]-------------------------------

K11?=?A1*E1/L1+A2*E2/L2?;
K12?=?-A2*E2/L2?;
K13?=?0?;

K21?=?K12?;
K22?=?A2*E2/L2+A3*E3/L3?;
K23?=?-A3*E3/L3?;

K31?=?K13?;
K32?=?K23?;
K33?=?A3*E3/L3?;

K?=?[?K11?K12?K13;?K21?K22?K23;?K31?K32?K33?]

%--------?Calculation?of?matrix

P?=?[?0?0?1000]‘

U?=?inv(K)*P

%-------?Definition?of?[M]-------------------

M11?=?(2*R1*A1*L1+2*R2*A2*L2)/6;
M12?=?(R2*A2*L2)/6;
M13?=?0;

M21?=?M12;
M22?=?(2*R2*A2*L2+2*R3*A3*L3)/6;
M23?=?R3*A3*L3;

M31?=?M13;
M32?=?M23;
M33?=?2*M23;

M=?[M11?M12?M13;?M21?M22?M23;?M31?M32?M33?]

MI?=?inv(M)

KM?=?MI*K

%-------------Calculation?of?eigen?vector?and?eigenvalue-------------------

[LV]?=?eig(KM)


?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????36352??2002-06-27?23:49??Matlab?Example?Programs\Ex10_6\Ex10_6.doc
?????文件?????????608??2002-06-27?23:44??Matlab?Example?Programs\Ex10_6\Ex10_6.m
?????文件?????????235??2002-06-27?23:47??Matlab?Example?Programs\Ex10_6\Ex10_6_1.m
?????文件???????29696??2002-06-27?22:48??Matlab?Example?Programs\Ex10_7\Ex10_7.doc
?????文件?????????832??2002-06-27?22:49??Matlab?Example?Programs\Ex10_7\Ex10_7.m
?????文件?????????291??2002-06-25?15:33??Matlab?Example?Programs\Ex11_10\Dfunc11_10.m
?????文件?????????345??2002-06-25?15:48??Matlab?Example?Programs\Ex11_10\Ex11_10.m
?????文件?????????186??2002-06-24?16:13??Matlab?Example?Programs\Ex11_9\Dfunc11_9.m
?????文件?????????190??2002-06-24?16:11??Matlab?Example?Programs\Ex11_9\Ex11_9.m
?????文件?????????977??2002-06-24?10:57??Matlab?Example?Programs\Ex12_5.m
?????文件??????????96??2002-06-25?18:35??Matlab?Example?Programs\Ex13_6\DFUNC1_A.M
?????文件?????????123??2002-06-25?18:36??Matlab?Example?Programs\Ex13_6\DFUNC1_B.M
?????文件?????????101??2002-06-25?18:36??Matlab?Example?Programs\Ex13_6\DFUNC1_C.M
?????文件????????1366??2002-06-26?15:45??Matlab?Example?Programs\Ex13_6\Ex13_6.m
?????文件?????????184??2002-05-10?15:04??Matlab?Example?Programs\Ex13_7\DFUNC3_A.M
?????文件?????????186??2002-06-25?18:18??Matlab?Example?Programs\Ex13_7\dfunc3_a1.m
?????文件?????????200??2002-05-10?15:04??Matlab?Example?Programs\Ex13_7\DFUNC3_B.M
?????文件?????????202??2002-06-25?18:18??Matlab?Example?Programs\Ex13_7\dfunc3_b1.m
?????文件?????????603??2002-06-25?18:30??Matlab?Example?Programs\Ex13_7\Ex13_7.m
?????文件?????????212??2002-06-25?17:57??Matlab?Example?Programs\Ex13_8\Dfunc13_8_1.m
?????文件?????????210??2002-06-25?17:59??Matlab?Example?Programs\Ex13_8\Dfunc13_8_2.m
?????文件?????????389??2002-06-25?18:01??Matlab?Example?Programs\Ex13_8\Ex13_8.m
?????文件?????????234??2002-06-24?17:17??Matlab?Example?Programs\Ex14_10\Ex14_10.m
?????文件??????????75??2002-06-24?17:15??Matlab?Example?Programs\Ex14_10\NORMP.M
?????文件????????1310??2002-06-25?17:39??Matlab?Example?Programs\Ex14_9\Ex14_9.m
?????文件????????2096??2002-06-24?17:07??Matlab?Example?Programs\Ex14_9\Ex14_9_1.m
?????文件?????????851??2002-10-15?16:02??Matlab?Example?Programs\EX1_14.M
?????文件?????????261??2002-04-12?11:43??Matlab?Example?Programs\EX1_15.M
?????文件?????????257??2002-04-16?14:53??Matlab?Example?Programs\Ex2_17.m
?????文件?????????369??2002-04-16?15:01??Matlab?Example?Programs\Ex2_18.m
?????文件?????????124??2002-04-16?15:38??Matlab?Example?Programs\Ex2_19\DFUNC1.M
............此處省略108個(gè)文件信息

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