File:ForceBucklingModeMatlabCode.svg

Summary

Description
Deutsch: Darstellung der Knickfälle
Date
Source Own work
Author
Johannes Kalliauer (1989)  wikidata:Q59091777
 
Alternative names
JoKalliauer
Description Austrian civil engineer, scientist, student, university teacher, Wikipedian and Wikimedian
Date of birth 13 November 1989 Edit this at Wikidata
Location of birth Vienna Edit this at Wikidata
Work period 2017 Edit this at Wikidata
Work location
Authority file
creator QS:P170,Q59091777
Category:Uploaded by JoKalliauer#Uploaded%20by%20JoKalliauer
SVG development
InfoField
Source code
InfoField

MATLAB code

clear
clc
close all

%x=[-5:.01:5];
L=5; % [m]
xL=-1:0.000001:2; % [-] %xL:=x/L
x=L*xL; % [m]

%https://www.wolframalpha.com/input/?i=FindRoot%5B-x+%2B+Tan%5Bx%5D+%3D%3D+0%2C+%7Bx%2C+4.49%2C+4.50%7D%2C+WorkingPrecision+-%3E+60%5D
%xWolframAlpha=4.49340945790906417530788092728032208221558387229003290473356; %[-]
fun=@(xsym)tan(xsym)-xsym; % function
tanxMx=fzero(fun,4,optimset('TolX',1E-60));


w1=cos(pi*xL/2)-1; % [m]
w2=-sin(pi*xL); % [m]
w3=-1/(2*pi)*(sin(tanxMx*xL)+tanxMx*(1-xL-cos(tanxMx*xL))); % [m]
w4=(cos(2*pi*xL)-1)/2; % [m]
w5=(cos(pi*xL)-1)/2; % [m]
w0=0*xL; % [m]

kl3=pi/tanxMx; % ~0.699
k3=.5/kl3;  %Steigung
w3Linie=k3*xL-k3; %Wirkungslinie der Kraft

plot(x,w1,x,w2,x,w3,x,w4,x,w5,x,w0,x,w3Linie)
grid on
daspect([1 1 1])
print('-dsvg','Eulerfalle')

Licensing

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w:en:Creative Commons
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Category:CC-BY-SA-4.0#ForceBucklingModeMatlabCode.svgCategory:Self-published work
Category:Architectural diagrams Category:Buckling Category:Civil engineering Category:Solid mechanics Category:Diagrams about trusses
Category:Architectural diagrams Category:Buckling Category:CC-BY-SA-4.0 Category:Civil engineering Category:Diagrams about trusses Category:Self-published work Category:Solid mechanics Category:Uploaded by JoKalliauer Category:Valid SVG created with MATLAB code:Diagrams