43 lines
1.4 KiB
Mathematica
43 lines
1.4 KiB
Mathematica
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clear all;close all;clc
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%---------------------GEOMETRY-----------------------
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a=100; %('<EFBFBD><EFBFBD><EFBFBD><EFBFBD> in x: ');
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b=100; %('<EFBFBD><EFBFBD><EFBFBD><EFBFBD> in y: ');
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%---------------------MESH---------------------------
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ex=20; %input('x<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ');
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ey=20; %input('y<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ');
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mesh=MeshGenerator(a,b,ex,ey);
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%---------------------ELEMENT------------------------
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ShapeOption='Q4';%Q8 Q9
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quadrature=GaussQuadrature('gauss2');% Q4 element points and weights
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%---------------------MATERIAL------------------------
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%SI mm t MPa N
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material=struct();
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material.t=1.6;
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material.E=72000;
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material.v=0.33;
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material.rho=2.7e-9;
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material.G=material.E/(2+2*material.v);
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K=StiffnessMatrix(material,mesh,quadrature,ShapeOption);
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M=MassMatrix(material,mesh,quadrature,ShapeOption);
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%---------------------LOADS----------------------------
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p0=1e-3;
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F=ForceVector(mesh,quadrature,ShapeOption,p0);
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% c0=input('\n<EFBFBD><EFBFBD><EFBFBD>к<EFBFBD><EFBFBD>صĴ<EFBFBD>С: ');
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% cl=input('\nLato da caricare: ');
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% F=ForceVector(cl,c0,mesh);Lato da caricare
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%---------------------CONSTRAINTS-----------------------
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%nc is nodes of constrained elemment
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nc=[mesh.lato1 mesh.lato2(2:end) mesh.lato3(2:end) mesh.lato4(2:end-1)];
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[K_c,M_c,F_c,nctot]=Constraints(nc,K,M,F);
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%---------------------SOLUTION---------------------------
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w=StaticSolver(K_c,F_c,mesh,nctot);
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%---------------------PLOT-------------------------------
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figure
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surf(mesh.x(1,:),mesh.y(:,1),reshape(w,size(mesh.x,2),size(mesh.x,1))');
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% axis equal
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hold on
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title('Deformed geometry')
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