87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
// Copyright 2015. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: ryan.latture@gmail.com (Ryan Latture)
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#include <iostream>
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#include "threed_beam_fea.h"
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int main(int argc, char *argv[])
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{
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using namespace fea;
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// define the vector perpendicular to the beam elements
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// in general you will need 1 normal vector per element
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std::vector<double> normal_vec = {0.0, 1.0, 0.0};
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// set up the properties for the elements
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double EA = 10.0; // extensional stiffness
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double EIz = 10.0; // bending stiffness along z-axis
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double EIy = 10.0; // bending stiffness along y-axis
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double GJ = 10.0; // torsional stiffness
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Props props1(EA, EIz, EIy, GJ, normal_vec);
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// make the second element's bending stiffness lower
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Props props2(EA, 0.1 * EIz, 0.1 * EIy, GJ, normal_vec);
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// define the (x, y, z) coordinate of the nodes
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std::vector<Node> nodes = {Node(0.0, 0.0, 0.0), Node(1.0, 0.0, 0.0), Node(2.0, 0.0, 0.0), Node(2.0, 0.0, 1.0)};
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// define which nodes are connected to form elements
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std::vector<Elem> elems = {Elem(0, 1, props1), Elem(1, 2, props1), Elem(2, 3, props2)};
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// assemble nodes and elements into a Job for analysis
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Job job(nodes, elems);
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// define boundary conditions for the mesh
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BC bc1(0, 0, 0.0);
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BC bc2(0, 1, 0.0);
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BC bc3(0, 2, 0.0);
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BC bc4(0, 3, 0.0);
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BC bc5(0, 4, 0.0);
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BC bc6(0, 5, 0.0);
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BC bc7(3, 1, 0.5);
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std::vector<BC> bcs = {bc1, bc2, bc3, bc4, bc5, bc6, bc7};
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// initialize empty vector of ties
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std::vector<Tie> ties;
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// initialize empty vector of equation constraints
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std::vector<Equation> equations;
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// initialize vector of prescribed forces
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std::vector<Force> forces;
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// use default options
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Options opts;
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// solve for nodal displacements
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Summary summary = solve(job, bcs, forces, ties, equations, opts);
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// write report to terminal
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std::cout << summary.FullReport() << std::endl;
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return 0;
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}
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